{"id":"avacopan","rwe":[],"_fda":{"id":"55ca1a31-6002-420e-b804-8a5137df45d4","set_id":"c93cbc0b-29a3-46a5-9c85-41815ea5cf4a","openfda":{"nui":["N0000193973","N0000193974","N0000182141"],"unii":["O880NM097T"],"route":["ORAL"],"rxcui":["2572105","2572111"],"spl_id":["55ca1a31-6002-420e-b804-8a5137df45d4"],"brand_name":["TAVNEOS"],"spl_set_id":["c93cbc0b-29a3-46a5-9c85-41815ea5cf4a"],"package_ndc":["73556-168-01","73556-168-02","73556-168-96"],"product_ndc":["73556-168"],"generic_name":["AVACOPAN"],"product_type":["HUMAN PRESCRIPTION DRUG"],"substance_name":["AVACOPAN"],"pharm_class_epc":["Complement 5a Receptor Antagonist [EPC]"],"pharm_class_moa":["Complement 5a Receptor Antagonists [MoA]","Cytochrome P450 3A4 Inhibitors [MoA]"],"manufacturer_name":["ChemoCentryx, Inc."],"application_number":["NDA214487"],"is_original_packager":[true]},"version":"13","pregnancy":["8.1 Pregnancy Risk Summary There are no adequate and well-controlled studies with TAVNEOS in pregnant women to inform a drug-associated risk. In animal reproduction studies, oral administration of avacopan to pregnant hamsters and rabbits during the period of organogenesis produced no evidence of fetal harm with exposures up to approximately 5 and 0.6 times, respectively, the exposure at the maximum recommended human dose (MRHD) of 30 mg twice daily (on an area under the curve [AUC] basis). Avacopan caused an increase in the number of abortions in rabbits at an exposure 0.6 times the MRHD (see Animal Data ) . The background risk of major birth defects and miscarriage for the indicated population are unknown. In the U.S. general population, the estimated background risk of major birth defects and miscarriage in clinically recognized pregnancies is 2-4% and 15-20%, respectively. Data Animal Data In an embryo-fetal development study with pregnant hamsters dosed by the oral route during the period of organogenesis from gestation days 6 to 12, avacopan produced an increase in the incidence of a skeletal variation, described as supernumerary ribs, at an exposure that was 5 times the MRHD (on an AUC basis with a maternal oral dose of 1000 mg/kg/day). No structural abnormalities were noted with exposures up to 5 times the MRHD (on an AUC basis with maternal oral doses up to 1000 mg/kg/day). In an embryo-fetal development study with pregnant rabbits dosed by the oral route during the period of organogenesis from gestation days 6 to 18, avacopan caused an increase in the number of abortions at an exposure 0.6 times the MRHD (on an AUC basis with a maternal oral dose of 200 mg/kg/day), however, no evidence of fetal harm was observed with such exposures. Maternal toxicity, as evidenced by decreased body weight gains, was observed at exposures 0.6 times and higher than the MRHD (on an AUC basis with maternal oral doses of 30 mg/kg/day and higher). In a prenatal and postnatal development study with pregnant hamsters dosed by the oral route during the periods of gestation and lactation from gestation day 6 to lactation day 20, avacopan had no effects on the growth and development of offspring with exposures up to approximately 5 times the MRHD (on an AUC basis with maternal oral doses up to 1000 mg/kg/day)."],"description":["11 DESCRIPTION TAVNEOS (avacopan) capsules contain avacopan, a C5aR antagonist. Avacopan is a chiral molecule containing two stereocenters and has a chemical name of (2 R ,3 S )-2-[4-(cyclopentylamino)phenyl]-1-(2-fluoro-6-methylbenzoyl)- N -[4-methyl-3-(trifluoromethyl)phenyl]piperidine-3-carboxamide. It has a molecular formula of C 33 H 35 F 4 N 3 O 2 and a molecular weight of 582 g/mol. Avacopan has the following structural formula: Avacopan is a white to pale yellow crystalline solid that is soluble in organic solvents and practically insoluble in water. TAVNEOS is available as a 10 mg capsule for oral administration. The capsules include the following inactive ingredients: Polyethylene glycol 4000 (PEG-4000), Polyoxyl-40 hydrogenated castor oil. The capsules are a light orange and yellow opaque bicolor gelatin capsule with a clear gelatin sealing band. The top half of the capsule is printed with \"CCX168\" in black ink. The capsule shell contains gelatin, red iron oxide, yellow iron oxide, and titanium dioxide, and the capsule sealing band contains gelatin and polysorbate 80. Chemical Structure"],"how_supplied":["16 HOW SUPPLIED/STORAGE AND HANDLING TAVNEOS (avacopan) capsule is supplied as a 10 mg, hard, opaque yellow and light orange capsule with \"CCX168\" printed in black. Bottle containing 180 capsules with child resistant induction seal closure (NDC 73556-168-01) Bottle containing 30 capsules with child resistant induction seal closure (NDC 73556-168-02) Store at 20°C to 25°C (68°F to 77°F); excursions permitted to 15°C to 30°C (59°F to 86°F) [see USP Controlled Room Temperature]. Do not use if seal is broken or missing."],"spl_medguide":["This Medication Guide has been approved by the U.S. Food and Drug Administration Revised: 8/2023 MEDICATION GUIDE TAVNEOS ® (tav' nee ose) (avacopan) capsules, for oral use What is the most important information I should know about TAVNEOS? TAVNEOS may cause serious side effects, including: Liver problems. People taking TAVNEOS may have serious liver problems. Call your healthcare provider right away if you have unexplained symptoms such as: yellowing of your skin or the white part of your eyes (jaundice) pain on the upper right side of your stomach area (abdomen) feeling tired dark or brown (tea colored) urine bleeding or bruising more easily than normal loss of appetite Your healthcare provider will do blood tests to check how well your liver is working before starting and during your treatment with TAVNEOS. What is TAVNEOS? TAVNEOS is a prescription medicine that is used with other medicines (such as glucocorticoids) to treat adults with severe active anti-neutrophil cytoplasmic autoantibody (ANCA)- associated vasculitis (granulomatosis with polyangiitis [GPA], formerly known as Wegener's granulomatosis, and microscopic polyangiitis [MPA]). It is not known if TAVNEOS is safe and effective in children under the age of 18. Do not take TAVNEOS: if you are allergic to avacopan or any of the other ingredients in TAVNEOS. See the end of this Medication Guide for a complete list of the ingredients in TAVNEOS. Get medical help right away if you experience swollen lips, tongue, throat, trouble swallowing, or difficulty breathing. These could be signs of an allergic reaction. Do not take more of TAVNEOS until you have consulted with your healthcare provider. Before taking TAVNEOS, tell your healthcare provider about all your medical conditions including if you: have or have had abnormal liver blood tests. have or have had liver problems. have or think you may have hepatitis B or hepatitis C. have an infection. are pregnant or are planning to become pregnant. It is not known if TAVNEOS will harm your unborn baby. Talk to your healthcare provider if you are pregnant or plan to become pregnant. are breastfeeding or plan to breastfeed. It is not known if TAVNEOS can pass into your breast milk. Talk to your healthcare provider about the best way to feed your baby if you take TAVNEOS. Tell your healthcare provider about all the other medicines you take , including prescription and over-the-counter medicines, vitamins, and herbal supplements. TAVNEOS and certain other medicines may affect each other and cause side effects. Keep a list of the medicines you take and show it to your healthcare provider and pharmacist. Some medicines should not be taken with TAVNEOS. Your healthcare provider may prescribe other medicines to treat your disease. How should I take TAVNEOS? Take TAVNEOS exactly as your healthcare provider tells you to take it. Do not stop taking TAVNEOS unless your healthcare provider tells you to. Check with your healthcare provider or pharmacist if you are not sure. Take 3 capsules of TAVNEOS 2 times daily (morning and evening) with food. Your healthcare provider may tell you to take 3 capsules of TAVNEOS 1 time each day if you take certain medicines. Tell your healthcare provider about all the medicines you take. Swallow the capsules whole with water. Do not crush, chew or open the capsules. If you miss a dose of TAVNEOS, do not take the missed dose. Just take the next dose at your regular time. If you have taken too much TAVNEOS, call your doctor or a Poison Control Center, or go to the nearest hospital emergency room. What are the possible side effects of TAVNEOS? TAVNEOS may cause serious side effects, including: See \" What is the most important information I should know about TAVNEOS? \" Serious allergic reactions . TAVNEOS may cause serious allergic reactions. Stop taking TAVNEOS and get emergency medical help right away if you have any of the following signs of a serious allergic reaction: shortness of breath or trouble breathing swollen lips, tongue, throat, or face trouble swallowing chest pain feeling dizzy or faint moderate or severe abdominal pain or vomiting Hepatitis B virus (HBV) reactivation. Before you take TAVNEOS, your healthcare provider will do blood tests to check for hepatitis B (HBV) infection. If you have had hepatitis B or are a carrier of hepatitis B virus, taking TAVNEOS could cause the virus to become an active infection again. Your healthcare provider may decide to stop TAVNEOS and any other medicines if you have active hepatitis B liver disease. Your healthcare provider will tell you if and when you can start taking TAVNEOS again. Your healthcare provider will monitor you for hepatitis B infection during and for six months after you stop taking TAVNEOS. Tell your healthcare provider right away if you get worsening tiredness or yellowing of your skin or white part of your eyes during treatment with TAVNEOS. Serious infections. Serious infections can happen in people taking TAVNEOS, and these infections can lead to death. The most common serious infections with TAVNEOS were pneumonia and urinary tract infections. People with serious infections should not take TAVNEOS. Tell your healthcare provider right away if you have any symptoms of infection: fever cold symptoms, such as runny nose or sore throat that do not go away flu symptoms, such as cough, tiredness, and body aches earache or headache pain during urination cold sores in mouth or throat cuts, scrapes, or incisions that are red, warm, swollen, or painful The most common side effects of TAVNEOS include: nausea diarrhea tiredness increase in blood creatinine headache vomiting stomach pain burning or prickling sensation high blood pressure rash dizziness These are not all the possible side effects of TAVNEOS. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088. How should I store TAVNEOS? Store TAVNEOS capsules at room temperature between 68°F to 77°F (20°C to 25°C). Keep TAVNEOS and all medicines out of reach of children. General information about the safe and effective use of TAVNEOS. Medicines are sometimes prescribed for purposes other than those listed in a Medication Guide. Do not use TAVNEOS for a condition for which it was not prescribed. Do not give TAVNEOS to other people, even if they have the same symptoms you have. It may harm them. You can ask your pharmacist or healthcare provider for information that is written for healthcare professionals. What are the ingredients in TAVNEOS? Active ingredient: avacopan Inactive ingredients: Polyethylene glycol 4000 (PEG-4000), Polyoxyl-40 hydrogenated castor oil. Manufactured for: ChemoCentryx, Inc., One Amgen Center Drive, Thousand Oaks, CA 91320-1799 Patent: https://pat.amgen.com/tavneos © 2021, 2023 ChemoCentryx, Inc. All rights reserved. 1xxxxxx - v2 For more information, go to www.TAVNEOS.com or call Amgen at 1-800-772-6436."],"geriatric_use":["8.5 Geriatric Use Of the 86 geriatric patients who received TAVNEOS in the phase 3 randomized clinical trial for ANCA-associated vasculitis [see Clinical Studies (14) ] , 62 patients were between 65-74 years and 24 were 75 years or older. No overall differences in safety or effectiveness were observed between geriatric patients and younger patients."],"pediatric_use":["8.4 Pediatric Use The safety and effectiveness of TAVNEOS in pediatric patients have not been established."],"effective_time":"20250618","clinical_studies":["14 CLINICAL STUDIES The efficacy and safety of TAVNEOS was evaluated in a double-blind, active-controlled, phase 3 clinical trial (NCT02994927) in 330 patients with newly diagnosed or relapsed ANCA-associated vasculitis who were randomized 1:1 to one of the following treatment groups: TAVNEOS group (N = 166): Patients received 30 mg avacopan twice daily for 52 weeks plus prednisone-matching placebo for 20 weeks Prednisone group (N = 164): Patients received avacopan-matched placebo twice daily for 52 weeks plus prednisone (tapered from 60 mg/day to 0 over 20 weeks) All patients in both groups received one of the following standard immunosuppressive regimens: IV cyclophosphamide 15 mg/kg IV up to 1.2 g maximum every 2 to 3 weeks for 13 weeks followed by oral azathioprine 1 mg/kg/day with titration up to 2 mg/kg/day (or mycophenolate mofetil at a target dose of 2 g/day if azathioprine was contraindicated) from Week 15 onwards Oral cyclophosphamide 2 mg/kg/day (maximum 200 mg/day) for 14 weeks followed by azathioprine 1 mg/kg/day with titration up to 2 mg/kg/day (or mycophenolate mofetil at a target dose of 2 g/day if azathioprine was contraindicated) from Week 15 onwards IV rituximab 375 mg/m 2 once weekly for 4 weeks without azathioprine or mycophenolate mofetil Glucocorticoids were allowed as pre-medication for rituximab to reduce hypersensitivity reactions, taper after glucocorticoids given during the Screening period, treatment of persistent vasculitis, worsening of vasculitis, or relapses, as well as for non-vasculitis reasons such as adrenal insufficiency. Randomization was stratified based on 3 factors: newly-diagnosed or relapsing ANCA-associated vasculitis, proteinase 3 positive or myeloperoxidase positive ANCA-associated vasculitis, and standard immunosuppressive regimen. The primary endpoints of the study were disease remission at Week 26 and sustained disease remission at Week 52. Disease remission was defined as achieving a Birmingham Vasculitis Activity Score (BVAS) of 0 and no use of glucocorticoids for treatment of ANCA-associated vasculitis from Week 22 to Week 26. Sustained remission was defined as remission at Week 26 and remission at Week 52, without relapse between Week 26 and Week 52. Remission at Week 52 was defined as BVAS of 0 and no use of glucocorticoids for treatment of ANCA-associated vasculitis from Week 48 to Week 52. Relapse was defined as occurrence of one major item, at least 3 non-major items, or 1 or 2 non-major items for at least 2 consecutive visits on the BVAS after remission (BVAS of 0) had been achieved. The two treatment groups were well balanced regarding baseline demographics and disease characteristics of patients in this trial. The mean patient age was 60.9 years. Most patients were male (56.4%), Caucasian (84.2%), and had newly diagnosed disease (69.4%). Patients had either GPA (54.8%) or MPA (45.2%) and had presence of anti-PR3 (43.0%) or anti-MPO (57.0%) antibodies. Mean baseline BVAS was 16.2; patients most commonly had manifestations within the renal component (81.2%), general component (68.2%), ear/nose/throat component (43.6%), and chest component (43.0%). Approximately 65% of patients received rituximab, 31% received IV cyclophosphamide, and 4% received oral cyclophosphamide. Remission at Week 26 and Sustained Remission at Week 52 Remission was achieved by 72.3% of patients in the TAVNEOS group and 70.1% of patients in the prednisone group at Week 26 (treatment difference: 3.4%, 95% CI [-6.0%, 12.8%]). At Week 52, a significantly higher percentage of patients had sustained remission in TAVNEOS group (65.7%) compared to the prednisone group (54.9%), as presented in Table 4. Table 4. Sustained Remission at Week 52 in Phase 3 Trial (Intent-to-Treat Population) Prednisone (N = 164) n (%) TAVNEOS (N = 166) n (%) Estimate of Treatment Difference P-value 2-sided p-value of Summary Score Test (Agresti 2013) CI = confidence interval; N = number of patients in the analysis population for the specified treatment group; n = number of patients with disease remission; % = 100*n/N Sustained Remission at Week 52 90 (54.9%) 109 (65.7%) 12.5% Summary Score estimate of the common difference in remission rates (Agresti 2013) by using inverse-variance stratum weights 0.013 95% CI (46.9, 62.6) Clopper and Pearson exact CI (57.9, 72.8) (2.6, 22.3) Miettinen-Nurminen (Score) confidence limits for the common difference in remission rates In pre-specified subgroup efficacy analyses, sustained remission at 52 weeks in patients was examined based on stratification factors and GPA/MPA disease. The results are displayed in Figure 1 below. Figure 1. Forest Plot of Sustained Remission at Week 52 Based on Disease Related Variables AAV = ANCA-associated vasculitis, CYC = cyclophosphamide, GPA = granulomatosis with polyangiitis, MPA = microscopic polyangiitis; MPO = myeloperoxidase positive, PR3 = anti-proteinase 3 positive, and RTX = rituximab. The treatment difference between TAVNEOS and prednisone groups is presented with point estimate and 95% confidence interval using normal approximation. The notation N = XXX/YYY indicates the number of patients randomized who received at least one dose of drug in TAVNEOS arm and prednisone arm, respectively. Subgroup findings should be interpreted with caution due to small sample sizes and overlapping subgroups. Figure 1"],"pharmacodynamics":["12.2 Pharmacodynamics Avacopan blocks the C5a-induced upregulation of CD11b (integrin alpha M) on neutrophils taken from humans dosed with avacopan. The clinical significance of the pharmacodynamic effect is unclear. Cardiac Electrophysiology At the approved recommended dose, TAVNEOS does not prolong the QT interval to any clinically relevant extent."],"pharmacokinetics":["12.3 Pharmacokinetics Based on population pharmacokinetic analysis, the mean steady state plasma exposure estimates of avacopan are 3466 ± 1921 ng∙h/mL for the 12-hour area under the plasma drug concentration over time curve (AUC 0-12hr ) and 349 ± 169 ng/mL for the maximum plasma concentration (C max ) in patients with ANCA-associated vasculitis receiving 30 mg avacopan twice daily. Steady state plasma levels of avacopan are reached by 13 weeks and the accumulation is approximately 4-fold. Absorption Co-administration of 30 mg in capsule formulation with a high-fat, high-calorie meal increases AUC and C max of avacopan by approximately 72% and 8%, respectively, and delays t max by approximately 4 hours (from 2.0 hours to 6.0 hours). Distribution The plasma protein binding (e.g., to albumin and α1-acid glycoprotein) of avacopan and metabolite M1 is greater than 99.9%. The apparent volume of distribution of avacopan is estimated to be 345 L. Elimination Based on population pharmacokinetic analysis, the estimated total apparent body clearance (CL/F) of avacopan is 16.3 L/h. Following a single dose of 30 mg avacopan with food, the mean elimination half-lives of avacopan and M1 are 97.6 hours and 55.6 hours, respectively, in healthy subjects. Metabolism CYP3A4 is the major enzyme responsible for the clearance of avacopan and for the formation and clearance of the major circulating metabolite M1, a mono-hydroxylated product of avacopan. M1 was present at ~12% of the total drug-related materials in plasma and has approximately the same activity as avacopan on the C5aR. Excretion The main route of clearance of avacopan is metabolism followed by biliary excretion of the metabolites into feces. Following oral administration of radiolabelled avacopan, about 77% and 10% of the radioactivity was recovered in feces and urine, respectively, and 7% and <0.1% of the radioactive dose was recovered as unchanged avacopan in feces and urine, respectively. Specific Populations No clinically significant differences in plasma exposure of avacopan and metabolite M1 were observed based on race (White, Asian, Black), gender (female 31%), age (18 to 83 years), body weight (40.3-174 kg), and renal function (eGFR 14-170 mL/min/1.73 m 2 at baseline). Patients with Hepatic Impairment Mild (Child-Pugh A) or moderate (Child-Pugh B) hepatic impairment had no clinically relevant effect on avacopan and M1 plasma exposure. In subjects with mild or moderate hepatic impairment, avacopan AUC increased by 12% and 12%, respectively, C max decreased by 13% and 17%, respectively, compared to subjects with normal liver function. In subjects with mild or moderate hepatic impairment, M1 AUC increased by 11% and 18%, respectively, C max decreased by 5% and 16%, respectively, compared to subjects with normal liver function. TAVNEOS has not been studied in subjects with severe hepatic impairment (Child-Pugh Class C). Drug Interaction Studies Effects of Other Drugs on TAVNEOS Avacopan is primarily metabolized by CYP3A4. In vitro studies indicate that avacopan is not a substrate of BCRP and P-gp efflux, and OATP1B1 and OATP1B3 uptake transporters. M1 is a substrate of P-gp but is not a substrate of BCRP efflux, and OATP1B1 and OATP1B3 uptake transporters. Summary of results from a clinical study which evaluated the effect of co-administered drugs on avacopan and M1 plasma exposures is shown in Table 2. Table 2. Changes in Pharmacokinetics of Avacopan and M1 in the Presence of Co-administered Drugs Co-administered Drug Regimen of Co-administered Drug Ratio (90% CI) Ratios for C max and AUC comparing co-administration of the medication with avacopan vs. administration of avacopan alone. C max AUC CI: Confidence interval Strong CYP3A4 inhibitor: itraconazole 200 mg once daily for 4 days Avacopan 1.87 (1.70, 2.06) 2.19 (2.00, 2.41) M1 1.03 (0.95, 1.11) 1.19 (1.11, 1.28) Strong CYP3A4 inducer: rifampin 600 mg once daily for 11 days Avacopan 0.21 (0.18, 0.25) 0.07 (0.06, 0.10) M1 0.27 (0.23, 0.31) 0.07 (0.06, 0.09) Proton-pump inhibitors such as omeprazole are not expected to have a clinically relevant effect on avacopan plasma exposure. Effect of TAVNEOS on Other Drug Substances In vitro studies indicate that avacopan does not inhibit CYP1A2, CYP2B6, CYP2C8, CYP2C9, CYP2C19, and CYP2D6, and does not induce CYP1A2 and CYP2B6, but shows induction and time-dependent inhibition of CYP3A4. In vitro studies indicate that M1 does not inhibit CYP1A2, CYP2B6, CYP2C8, CYP2C19, and CYP2D6, and has a low potential to induce CYP3A4, CYP1A2 and CYP2B6, but may inhibit CYP2C9 and CYP3A4. In vitro studies indicate that avacopan and M1 do not inhibit the transporters P-gp, BCRP, OATP1B1, OATP1B3, OCT2, OAT1, OAT3, MATE1, and MATE2K at clinically relevant concentrations. Summary of results from clinical studies which evaluated the effect of avacopan on other drugs is shown in Table 3. Table 3. Change in Pharmacokinetics of Co-administered Drugs in the Presence of Avacopan Co-administered Drug Regimen of Avacopan Ratio (90% CI) Ratios for C max and AUC comparing co-administration of the medication with avacopan vs. administration of medication alone. C max AUC CI: Confidence interval Sensitive CYP3A4 substrate: simvastatin 60 mg twice daily for 7 days (fed) Avacopan doses were taken with food. Avacopan systemic exposure represents the therapeutic exposure at steady state with 30 mg twice daily under fed conditions. 3.20 (2.49, 4.10) 3.53 (3.23, 3.85) Sensitive CYP3A4 substrate: midazolam 30 mg twice daily for 11 days (fasted) Avacopan doses were taken under fasted conditions. No food was allowed for at least 2 hours post dose for the morning doses. Avacopan systemic exposure was below the therapeutic exposure at steady state with 30 mg twice daily under fed conditions. 1.55 (1.41, 1.69) 1.81 (1.65, 1.98) Sensitive CYP2C9 substrate: celecoxib 30 mg twice daily for 11 days (fasted) 1.64 (1.34, 2.00) 1.15 (1.03, 1.28)"],"adverse_reactions":["6 ADVERSE REACTIONS The following adverse reactions are discussed in greater detail in other sections of the labeling: Hepatotoxicity [see Warnings and Precautions (5.1) ] Hypersensitivity Reactions [see Warnings and Precautions (5.2) ] Hepatitis B Virus (HBV) Reactivation [see Warnings and Precautions (5.3) ] Serious Infections [see Warnings and Precautions (5.4) ] The most common adverse reactions (≥5%) are: nausea, headache, hypertension, diarrhea, vomiting, rash, fatigue, upper abdominal pain, dizziness, blood creatinine increased, and paresthesia. To report SUSPECTED ADVERSE REACTIONS, contact Amgen Inc. at 1-800-77-AMGEN (1-800-772-6436) or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch . 6.1 Clinical Trials Experience Because the clinical trials are conducted under widely varying conditions, adverse reaction rates observed in the clinical trials of a drug cannot be directly compared with rates in the clinical trials of another drug and may not reflect the rates observed in practice. The identification of potential adverse drug reactions was based on safety data from the phase 3 clinical trial in which 330 patients with ANCA-associated vasculitis were randomized 1:1 to either TAVNEOS or prednisone [see Clinical Studies (14) ] . The mean age of patients was 60.9 years (range of 13 to 88 years), with a predominance of men (56.4%) and Caucasians (84.2%). The cumulative exposure to TAVNEOS was 138.7 patient-years. Additionally, two phase 2 trials were conducted in ANCA-associated vasculitis. The cumulative clinical trial exposure from the phase 2 and 3 trials equals 212.3 patient-years. The most frequent serious adverse reactions reported more frequently in patients treated with TAVNEOS than with prednisone were pneumonia (4.8% TAVNEOS vs. 3.7% prednisone), GPA (3.0% TAVNEOS vs. 0.6% prednisone), acute kidney injury (1.8% TAVNEOS vs. 0.6% prednisone), and urinary tract infection (1.8% TAVNEOS vs. 1.2% prednisone). Within 52 weeks, 4 patients in the prednisone treatment group (2.4%) and 2 patients in the TAVNEOS group (1.2%) died. There were no deaths in the phase 2 trials. In the phase 3 trial, seven patients (4.2%) in the TAVNEOS treatment group and 2 patients (1.2%) in the prednisone treatment group discontinued treatment due to hepatic-related adverse reactions, including hepatobiliary adverse reactions and liver enzymes abnormalities. The most frequent adverse reaction that led to drug discontinuation reported by > 1 patient and more frequently reported in patients treated with TAVNEOS was hepatic function abnormal (1.8%). The most common adverse reactions that occurred in ≥5% of patients and higher in the TAVNEOS group as compared with the prednisone group are listed in Table 1. Table 1. Adverse Reactions Reported in ≥5% of Patients and Higher in TAVNEOS Group vs. Prednisone Group in Phase 3 Trial Adverse Reaction Prednisone (N = 164) n (%) TAVNEOS (N = 166) n (%) N = number of patients randomized to treatment group in the Safety Population; n = number of patients in specified category. Nausea 34 (20.7) 39 (23.5) Headache 23 (14.0) 34 (20.5) Hypertension 29 (17.7) 30 (18.1) Diarrhea 24 (14.6) 25 (15.1) Vomiting 21 (12.8) 25 (15.1) Rash 13 (7.9) 19 (11.4) Fatigue 15 (9.1) 17 (10.2) Upper abdominal pain 10 (6.1) 11 (6.6) Dizziness 10 (6.1) 11 (6.6) Blood creatinine increased 8 (4.9) 10 (6.0) Paresthesia 7 (4.3) 9 (5.4) Hepatotoxicity and Elevated Liver Function Tests In the phase 3 trial, a total of 19 patients (11.6%) in the prednisone group and 22 patients (13.3%) in the TAVNEOS group had hepatic-related adverse reactions, including hepatobiliary adverse reactions and liver enzyme abnormalities. Study medication was paused or discontinued permanently due to hepatic-related adverse reactions in 5 patients (3.0%) in the prednisone group and 9 patients (5.4%) in the TAVNEOS group. Serious hepatic-related adverse reactions were reported in 6 patients (3.7%) in the prednisone group and 9 patients (5.4%) in the TAVNEOS group. A serious hepatic-related adverse reaction was reported in 1 patient in the TAVNEOS group in the phase 2 studies. Angioedema In the phase 3 trial, 2 patients (1.2%) in the TAVNEOS group had angioedema; one event was a serious adverse reaction requiring hospitalization. Elevated Creatine Phosphokinase In the phase 3 trial, 1 patient (0.6%) in the prednisone group and 6 patients (3.6%) in the TAVNEOS group had increased creatine phosphokinase. One TAVNEOS-treated patient discontinued treatment due to increased creatine phosphokinase."],"contraindications":["4 CONTRAINDICATIONS TAVNEOS is contraindicated in patients with serious hypersensitivity reaction to avacopan or to any of the excipients [see Warnings and Precautions (5.2) ]. Serious hypersensitivity to avacopan or to any of the excipients. ( 4 )"],"drug_interactions":["7 DRUG INTERACTIONS Strong and moderate CYP3A4 enzyme inducers: Avoid use. ( 7.1 ) Strong CYP3A4 enzyme inhibitors: Reduce avacopan dose to 30 mg once daily. ( 7.2 ) CYP3A4 substrates: Consider dose reduction of CYP3A4 substrates when co-administering TAVNEOS with CYP3A4 substrates. ( 7.3 ) 7.1 CYP3A4 Inducers Avacopan exposure is decreased when co-administered with strong CYP3A4 enzyme inducers such as rifampin [see Clinical Pharmacology (12.3) ] . Avoid coadministration of strong and moderate CYP3A4 inducers with TAVNEOS. 7.2 CYP3A4 Inhibitors Avacopan exposure is increased when co-administered with strong CYP3A4 enzyme inhibitors such as itraconazole [see Clinical Pharmacology (12.3) ] . Administer TAVNEOS 30 mg once daily when coadministered with strong CYP3A4 inhibitors. 7.3 CYP3A4 Substrates Avacopan is a moderate CYP3A4 inhibitor. Co-administration of avacopan and 40 mg simvastatin increases the systemic exposure of simvastatin. While taking TAVNEOS, limit simvastatin dosage to 10 mg daily (or 20 mg daily for patients who have previously tolerated simvastatin 80 mg daily for at least one year without evidence of muscle toxicity). Consider dose reduction of CYP3A4 substrates when co-administering TAVNEOS with CYP3A4 substrates. Consult the concomitant CYP3A4 substrate product information when considering administration of such products together with TAVNEOS [see Clinical Pharmacology (12.3) ] ."],"spl_medguide_table":["
This Medication Guide has been approved by the U.S. Food and Drug AdministrationRevised: 8/2023
MEDICATION GUIDE TAVNEOS® (tav' nee ose) (avacopan) capsules, for oral use
What is the most important information I should know about TAVNEOS?TAVNEOS may cause serious side effects, including:Liver problems. People taking TAVNEOS may have serious liver problems. Call your healthcare provider right away if you have unexplained symptoms such as:
yellowing of your skin or the white part of your eyes (jaundice)pain on the upper right side of your stomach area (abdomen)feeling tired dark or brown (tea colored) urinebleeding or bruising more easily than normalloss of appetite
Your healthcare provider will do blood tests to check how well your liver is working before starting and during your treatment with TAVNEOS.
What is TAVNEOS?TAVNEOS is a prescription medicine that is used with other medicines (such as glucocorticoids) to treat adults with severe active anti-neutrophil cytoplasmic autoantibody (ANCA)- associated vasculitis (granulomatosis with polyangiitis [GPA], formerly known as Wegener's granulomatosis, and microscopic polyangiitis [MPA]).It is not known if TAVNEOS is safe and effective in children under the age of 18.
Do not take TAVNEOS:if you are allergic to avacopan or any of the other ingredients in TAVNEOS. See the end of this Medication Guide for a complete list of the ingredients in TAVNEOS. Get medical help right away if you experience swollen lips, tongue, throat, trouble swallowing, or difficulty breathing. These could be signs of an allergic reaction. Do not take more of TAVNEOS until you have consulted with your healthcare provider.
Before taking TAVNEOS, tell your healthcare provider about all your medical conditions including if you:have or have had abnormal liver blood tests.have or have had liver problems.have or think you may have hepatitis B or hepatitis C.have an infection.are pregnant or are planning to become pregnant. It is not known if TAVNEOS will harm your unborn baby. Talk to your healthcare provider if you are pregnant or plan to become pregnant.are breastfeeding or plan to breastfeed. It is not known if TAVNEOS can pass into your breast milk. Talk to your healthcare provider about the best way to feed your baby if you take TAVNEOS.Tell your healthcare provider about all the other medicines you take, including prescription and over-the-counter medicines, vitamins, and herbal supplements. TAVNEOS and certain other medicines may affect each other and cause side effects. Keep a list of the medicines you take and show it to your healthcare provider and pharmacist.Some medicines should not be taken with TAVNEOS.Your healthcare provider may prescribe other medicines to treat your disease.
How should I take TAVNEOS?Take TAVNEOS exactly as your healthcare provider tells you to take it. Do not stop taking TAVNEOS unless your healthcare provider tells you to.Check with your healthcare provider or pharmacist if you are not sure.Take 3 capsules of TAVNEOS 2 times daily (morning and evening) with food.Your healthcare provider may tell you to take 3 capsules of TAVNEOS 1 time each day if you take certain medicines. Tell your healthcare provider about all the medicines you take.Swallow the capsules whole with water. Do not crush, chew or open the capsules.If you miss a dose of TAVNEOS, do not take the missed dose. Just take the next dose at your regular time. If you have taken too much TAVNEOS, call your doctor or a Poison Control Center, or go to the nearest hospital emergency room.
What are the possible side effects of TAVNEOS? TAVNEOS may cause serious side effects, including:See "What is the most important information I should know about TAVNEOS?"Serious allergic reactions. TAVNEOS may cause serious allergic reactions. Stop taking TAVNEOS and get emergency medical help right away if you have any of the following signs of a serious allergic reaction:shortness of breath or trouble breathingswollen lips, tongue, throat, or facetrouble swallowingchest painfeeling dizzy or faintmoderate or severe abdominal pain or vomitingHepatitis B virus (HBV) reactivation. Before you take TAVNEOS, your healthcare provider will do blood tests to check for hepatitis B (HBV) infection. If you have had hepatitis B or are a carrier of hepatitis B virus, taking TAVNEOS could cause the virus to become an active infection again. Your healthcare provider may decide to stop TAVNEOS and any other medicines if you have active hepatitis B liver disease. Your healthcare provider will tell you if and when you can start taking TAVNEOS again. Your healthcare provider will monitor you for hepatitis B infection during and for six months after you stop taking TAVNEOS. Tell your healthcare provider right away if you get worsening tiredness or yellowing of your skin or white part of your eyes during treatment with TAVNEOS.Serious infections. Serious infections can happen in people taking TAVNEOS, and these infections can lead to death. The most common serious infections with TAVNEOS were pneumonia and urinary tract infections. People with serious infections should not take TAVNEOS. Tell your healthcare provider right away if you have any symptoms of infection:fevercold symptoms, such as runny nose or sore throat that do not go awayflu symptoms, such as cough, tiredness, and body achesearache or headachepain during urinationcold sores in mouth or throatcuts, scrapes, or incisions that are red, warm, swollen, or painfulThe most common side effects of TAVNEOS include:
nauseadiarrheatirednessincrease in blood creatinineheadachevomitingstomach painburning or prickling sensationhigh blood pressurerashdizziness
These are not all the possible side effects of TAVNEOS. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
How should I store TAVNEOS? Store TAVNEOS capsules at room temperature between 68°F to 77°F (20°C to 25°C). Keep TAVNEOS and all medicines out of reach of children.
General information about the safe and effective use of TAVNEOS. Medicines are sometimes prescribed for purposes other than those listed in a Medication Guide. Do not use TAVNEOS for a condition for which it was not prescribed. Do not give TAVNEOS to other people, even if they have the same symptoms you have. It may harm them. You can ask your pharmacist or healthcare provider for information that is written for healthcare professionals.
What are the ingredients in TAVNEOS? Active ingredient: avacopan Inactive ingredients: Polyethylene glycol 4000 (PEG-4000), Polyoxyl-40 hydrogenated castor oil.
Manufactured for: ChemoCentryx, Inc., One Amgen Center Drive, Thousand Oaks, CA 91320-1799 Patent: https://pat.amgen.com/tavneos © 2021, 2023 ChemoCentryx, Inc. All rights reserved. 1xxxxxx - v2 For more information, go to www.TAVNEOS.com or call Amgen at 1-800-772-6436.
"],"mechanism_of_action":["12.1 Mechanism of Action Avacopan is a complement 5a receptor (C5aR) antagonist that inhibits the interaction between C5aR and the anaphylatoxin C5a. Avacopan blocks C5a-mediated neutrophil activation and migration. The precise mechanism by which avacopan exerts a therapeutic effect in patients with ANCA-associated vasculitis has not been definitively established."],"storage_and_handling":["Store at 20°C to 25°C (68°F to 77°F); excursions permitted to 15°C to 30°C (59°F to 86°F) [see USP Controlled Room Temperature]. Do not use if seal is broken or missing."],"clinical_pharmacology":["12 CLINICAL PHARMACOLOGY 12.1 Mechanism of Action Avacopan is a complement 5a receptor (C5aR) antagonist that inhibits the interaction between C5aR and the anaphylatoxin C5a. Avacopan blocks C5a-mediated neutrophil activation and migration. The precise mechanism by which avacopan exerts a therapeutic effect in patients with ANCA-associated vasculitis has not been definitively established. 12.2 Pharmacodynamics Avacopan blocks the C5a-induced upregulation of CD11b (integrin alpha M) on neutrophils taken from humans dosed with avacopan. The clinical significance of the pharmacodynamic effect is unclear. Cardiac Electrophysiology At the approved recommended dose, TAVNEOS does not prolong the QT interval to any clinically relevant extent. 12.3 Pharmacokinetics Based on population pharmacokinetic analysis, the mean steady state plasma exposure estimates of avacopan are 3466 ± 1921 ng∙h/mL for the 12-hour area under the plasma drug concentration over time curve (AUC 0-12hr ) and 349 ± 169 ng/mL for the maximum plasma concentration (C max ) in patients with ANCA-associated vasculitis receiving 30 mg avacopan twice daily. Steady state plasma levels of avacopan are reached by 13 weeks and the accumulation is approximately 4-fold. Absorption Co-administration of 30 mg in capsule formulation with a high-fat, high-calorie meal increases AUC and C max of avacopan by approximately 72% and 8%, respectively, and delays t max by approximately 4 hours (from 2.0 hours to 6.0 hours). Distribution The plasma protein binding (e.g., to albumin and α1-acid glycoprotein) of avacopan and metabolite M1 is greater than 99.9%. The apparent volume of distribution of avacopan is estimated to be 345 L. Elimination Based on population pharmacokinetic analysis, the estimated total apparent body clearance (CL/F) of avacopan is 16.3 L/h. Following a single dose of 30 mg avacopan with food, the mean elimination half-lives of avacopan and M1 are 97.6 hours and 55.6 hours, respectively, in healthy subjects. Metabolism CYP3A4 is the major enzyme responsible for the clearance of avacopan and for the formation and clearance of the major circulating metabolite M1, a mono-hydroxylated product of avacopan. M1 was present at ~12% of the total drug-related materials in plasma and has approximately the same activity as avacopan on the C5aR. Excretion The main route of clearance of avacopan is metabolism followed by biliary excretion of the metabolites into feces. Following oral administration of radiolabelled avacopan, about 77% and 10% of the radioactivity was recovered in feces and urine, respectively, and 7% and <0.1% of the radioactive dose was recovered as unchanged avacopan in feces and urine, respectively. Specific Populations No clinically significant differences in plasma exposure of avacopan and metabolite M1 were observed based on race (White, Asian, Black), gender (female 31%), age (18 to 83 years), body weight (40.3-174 kg), and renal function (eGFR 14-170 mL/min/1.73 m 2 at baseline). Patients with Hepatic Impairment Mild (Child-Pugh A) or moderate (Child-Pugh B) hepatic impairment had no clinically relevant effect on avacopan and M1 plasma exposure. In subjects with mild or moderate hepatic impairment, avacopan AUC increased by 12% and 12%, respectively, C max decreased by 13% and 17%, respectively, compared to subjects with normal liver function. In subjects with mild or moderate hepatic impairment, M1 AUC increased by 11% and 18%, respectively, C max decreased by 5% and 16%, respectively, compared to subjects with normal liver function. TAVNEOS has not been studied in subjects with severe hepatic impairment (Child-Pugh Class C). Drug Interaction Studies Effects of Other Drugs on TAVNEOS Avacopan is primarily metabolized by CYP3A4. In vitro studies indicate that avacopan is not a substrate of BCRP and P-gp efflux, and OATP1B1 and OATP1B3 uptake transporters. M1 is a substrate of P-gp but is not a substrate of BCRP efflux, and OATP1B1 and OATP1B3 uptake transporters. Summary of results from a clinical study which evaluated the effect of co-administered drugs on avacopan and M1 plasma exposures is shown in Table 2. Table 2. Changes in Pharmacokinetics of Avacopan and M1 in the Presence of Co-administered Drugs Co-administered Drug Regimen of Co-administered Drug Ratio (90% CI) Ratios for C max and AUC comparing co-administration of the medication with avacopan vs. administration of avacopan alone. C max AUC CI: Confidence interval Strong CYP3A4 inhibitor: itraconazole 200 mg once daily for 4 days Avacopan 1.87 (1.70, 2.06) 2.19 (2.00, 2.41) M1 1.03 (0.95, 1.11) 1.19 (1.11, 1.28) Strong CYP3A4 inducer: rifampin 600 mg once daily for 11 days Avacopan 0.21 (0.18, 0.25) 0.07 (0.06, 0.10) M1 0.27 (0.23, 0.31) 0.07 (0.06, 0.09) Proton-pump inhibitors such as omeprazole are not expected to have a clinically relevant effect on avacopan plasma exposure. Effect of TAVNEOS on Other Drug Substances In vitro studies indicate that avacopan does not inhibit CYP1A2, CYP2B6, CYP2C8, CYP2C9, CYP2C19, and CYP2D6, and does not induce CYP1A2 and CYP2B6, but shows induction and time-dependent inhibition of CYP3A4. In vitro studies indicate that M1 does not inhibit CYP1A2, CYP2B6, CYP2C8, CYP2C19, and CYP2D6, and has a low potential to induce CYP3A4, CYP1A2 and CYP2B6, but may inhibit CYP2C9 and CYP3A4. In vitro studies indicate that avacopan and M1 do not inhibit the transporters P-gp, BCRP, OATP1B1, OATP1B3, OCT2, OAT1, OAT3, MATE1, and MATE2K at clinically relevant concentrations. Summary of results from clinical studies which evaluated the effect of avacopan on other drugs is shown in Table 3. Table 3. Change in Pharmacokinetics of Co-administered Drugs in the Presence of Avacopan Co-administered Drug Regimen of Avacopan Ratio (90% CI) Ratios for C max and AUC comparing co-administration of the medication with avacopan vs. administration of medication alone. C max AUC CI: Confidence interval Sensitive CYP3A4 substrate: simvastatin 60 mg twice daily for 7 days (fed) Avacopan doses were taken with food. Avacopan systemic exposure represents the therapeutic exposure at steady state with 30 mg twice daily under fed conditions. 3.20 (2.49, 4.10) 3.53 (3.23, 3.85) Sensitive CYP3A4 substrate: midazolam 30 mg twice daily for 11 days (fasted) Avacopan doses were taken under fasted conditions. No food was allowed for at least 2 hours post dose for the morning doses. Avacopan systemic exposure was below the therapeutic exposure at steady state with 30 mg twice daily under fed conditions. 1.55 (1.41, 1.69) 1.81 (1.65, 1.98) Sensitive CYP2C9 substrate: celecoxib 30 mg twice daily for 11 days (fasted) 1.64 (1.34, 2.00) 1.15 (1.03, 1.28)"],"indications_and_usage":["1 INDICATIONS AND USAGE TAVNEOS is indicated as an adjunctive treatment of adult patients with severe active anti-neutrophil cytoplasmic autoantibody (ANCA)-associated vasculitis (granulomatosis with polyangiitis [GPA] and microscopic polyangiitis [MPA]) in combination with standard therapy including glucocorticoids. TAVNEOS does not eliminate glucocorticoid use. TAVNEOS is a complement 5a receptor (C5aR) antagonist indicated as an adjunctive treatment of adult patients with severe active anti-neutrophil cytoplasmic autoantibody (ANCA)-associated vasculitis (granulomatosis with polyangiitis [GPA] and microscopic polyangiitis [MPA]) in combination with standard therapy including glucocorticoids. TAVNEOS does not eliminate glucocorticoid use. ( 1 )"],"warnings_and_cautions":["5 WARNINGS AND PRECAUTIONS Hepatotoxicity: Increase in liver function tests occurred in clinical trials. Obtain liver function tests before initiation of therapy and monitor as clinically indicated. ( 5.1 ) Serious Hypersensitivity Reactions: Cases of angioedema occurred in a clinical trial. Observe for signs and symptoms of angioedema and manage accordingly. ( 5.2 ) Hepatitis B Virus (HBV) Reactivation: Cases of HBV reactivation occurred in a clinical trial. Withhold TAVNEOS and institute appropriate anti-infective therapy. ( 5.3 ) Serious Infections: Avoid use of TAVNEOS in patients with active, serious infection, including localized infections. ( 5.4 ) 5.1 Hepatotoxicity Serious cases of hepatic injury have been observed in patients taking TAVNEOS. During controlled trials, the TAVNEOS treatment group had a higher incidence of transaminase elevations and hepatobiliary events, including serious and life-threatening events [see Adverse Reactions 6.1 ] . Obtain liver test panel (serum alanine aminotransferase [ALT], aspartate aminotransferase [AST], alkaline phosphatase, and total bilirubin) before initiating TAVNEOS, every 4 weeks after start of therapy for the first 6 months of treatment and as clinically indicated thereafter. If a patient receiving treatment with TAVNEOS presents with an elevation in ALT or AST to >3 times the upper limit of normal, evaluate promptly and consider pausing treatment as clinically indicated. If AST or ALT is >5 times the upper limit of normal, or if a patient develops transaminases >3 times the upper limit of normal with elevation of bilirubin to >2 times the upper limit of normal, discontinue TAVNEOS until TAVNEOS-induced liver injury is ruled out [see Adverse Reactions (6.1) ]. TAVNEOS is not recommended for patients with active, untreated and/or uncontrolled chronic liver disease (e.g., chronic active hepatitis B, untreated hepatitis C, uncontrolled autoimmune hepatitis) and cirrhosis. Consider the risk and benefit before administering TAVNEOS to a patient with liver disease. Monitor patients closely for hepatic adverse reactions [ see Use in Specific Populations (8.7) ]. 5.2 Hypersensitivity Reactions TAVNEOS may cause angioedema [see Adverse Reactions (6.1) ] . In clinical trials, two cases of angioedema occurred, including one serious event requiring hospitalization. If angioedema occurs, discontinue TAVNEOS immediately, provide appropriate therapy, and monitor for airway compromise. TAVNEOS must not be re-administered unless another cause has been established. Educate patients on recognizing the signs and symptoms of a hypersensitivity reaction and to seek immediate medical care should they develop. 5.3 Hepatitis B Virus (HBV) Reactivation Hepatitis B virus (HBV) reactivation, including life threatening hepatitis B, was observed in the clinical program. HBV reactivation is defined as an abrupt increase in HBV replication, manifesting as a rapid increase in serum HBV DNA levels or detection of HBsAg, in a person who was previously HBsAg negative and anti-HBc positive. Reactivation of HBV replication is often followed by hepatitis, i.e., increase in transaminase levels. In severe cases, increase in bilirubin levels, liver failure, and death can occur. Screen patients for HBV infection by measuring HBsAg and anti-HBc before initiating treatment with TAVNEOS. For patients who show evidence of prior hepatitis B infection (HBsAg positive [regardless of antibody status] or HBsAg negative but anti-HBc positive), consult physicians with expertise in managing hepatitis B regarding monitoring and consideration for HBV antiviral therapy before and/or during TAVNEOS treatment. Monitor patients with evidence of current or prior HBV infection for clinical and laboratory signs of hepatitis, or HBV reactivation during and for six months following TAVNEOS therapy. In patients who develop reactivation of HBV while on TAVNEOS, immediately discontinue TAVNEOS and any concomitant therapy associated with HBV reactivation, and institute appropriate treatment. Insufficient data exist regarding the safety of resuming TAVNEOS treatment in patients who develop HBV reactivation. Resumption of TAVNEOS treatment in patients whose HBV reactivation resolves should be discussed with physicians with expertise in managing HBV. 5.4 Serious Infections Serious infections, including fatal infections, have been reported in patients receiving TAVNEOS. The most common serious infections reported in the TAVNEOS group were pneumonia and urinary tract infections. Avoid use of TAVNEOS in patients with an active, serious infection, including localized infections. Consider the risks and benefits of treatment prior to initiating TAVNEOS in patients: with chronic or recurrent infection who have been exposed to tuberculosis with a history of a serious or an opportunistic infection who have resided or traveled in areas of endemic tuberculosis or endemic mycoses; or with underlying conditions that may predispose them to infection. Closely monitor patients for the development of signs and symptoms of infection during and after treatment with TAVNEOS. Interrupt TAVNEOS if a patient develops a serious or opportunistic infection. A patient who develops a new infection during treatment with TAVNEOS should undergo prompt and complete diagnostic testing appropriate for an immunocompromised patient; appropriate antimicrobial therapy should be initiated, the patient should be closely monitored, and TAVNEOS should be interrupted if the patient is not responding to antimicrobial therapy. TAVNEOS may be resumed once the infection is controlled."],"clinical_studies_table":["
Table 4. Sustained Remission at Week 52 in Phase 3 Trial (Intent-to-Treat Population)
Prednisone (N = 164) n (%)TAVNEOS (N = 166) n (%)Estimate of Treatment DifferenceP-value2-sided p-value of Summary Score Test (Agresti 2013)
CI = confidence interval; N = number of patients in the analysis population for the specified treatment group; n = number of patients with disease remission; % = 100*n/N
Sustained Remission at Week 5290 (54.9%)109 (65.7%)12.5%Summary Score estimate of the common difference in remission rates (Agresti 2013) by using inverse-variance stratum weights0.013
95% CI(46.9, 62.6)Clopper and Pearson exact CI(57.9, 72.8)(2.6, 22.3)Miettinen-Nurminen (Score) confidence limits for the common difference in remission rates
"],"nonclinical_toxicology":["13 NONCLINICAL TOXICOLOGY 13.1 Carcinogenesis, Mutagenesis, Impairment of Fertility Carcinogenesis Two-year carcinogenicity studies in Sprague-Dawley rats and Syrian hamsters were conducted to assess the carcinogenic potential of avacopan. Avacopan demonstrated no tumorigenic potential in a study with rats that received oral doses up to 100 mg/kg/day (approximately 3 times the MRHD in adults on an AUC basis) and a study in hamsters that received oral doses up to 100 mg/kg/day (approximately 6 times the MRHD in adults on an AUC basis). Mutagenesis Avacopan was not mutagenic or clastogenic in the following assays: in vitro bacterial reverse mutation (Ames) test, in vitro mouse lymphoma assay, and in vivo rat micronucleus test. Impairment of Fertility Fertility and reproductive performance were unaffected in male and female hamsters that received avacopan by the oral route at dose levels up to 1000 mg/kg/day (approximately 7 times the MRHD on an AUC basis)."],"pharmacokinetics_table":["
Table 2. Changes in Pharmacokinetics of Avacopan and M1 in the Presence of Co-administered Drugs
Co-administered DrugRegimen of Co-administered DrugRatio (90% CI)Ratios for Cmax and AUC comparing co-administration of the medication with avacopan vs. administration of avacopan alone.
CmaxAUC
CI: Confidence interval
Strong CYP3A4 inhibitor: itraconazole200 mg once daily for 4 daysAvacopan1.87 (1.70, 2.06)2.19 (2.00, 2.41)
M11.03 (0.95, 1.11)1.19 (1.11, 1.28)
Strong CYP3A4 inducer: rifampin600 mg once daily for 11 daysAvacopan0.21 (0.18, 0.25)0.07 (0.06, 0.10)
M10.27 (0.23, 0.31)0.07 (0.06, 0.09)
","
Table 3. Change in Pharmacokinetics of Co-administered Drugs in the Presence of Avacopan
Co-administered DrugRegimen of AvacopanRatio (90% CI)Ratios for Cmax and AUC comparing co-administration of the medication with avacopan vs. administration of medication alone.
CmaxAUC
CI: Confidence interval
Sensitive CYP3A4 substrate: simvastatin60 mg twice daily for 7 days (fed)Avacopan doses were taken with food. Avacopan systemic exposure represents the therapeutic exposure at steady state with 30 mg twice daily under fed conditions.3.20 (2.49, 4.10)3.53 (3.23, 3.85)
Sensitive CYP3A4 substrate: midazolam30 mg twice daily for 11 days (fasted)Avacopan doses were taken under fasted conditions. No food was allowed for at least 2 hours post dose for the morning doses. Avacopan systemic exposure was below the therapeutic exposure at steady state with 30 mg twice daily under fed conditions.1.55 (1.41, 1.69)1.81 (1.65, 1.98)
Sensitive CYP2C9 substrate: celecoxib30 mg twice daily for 11 days (fasted)1.64 (1.34, 2.00)1.15 (1.03, 1.28)
"],"adverse_reactions_table":["
Table 1. Adverse Reactions Reported in ≥5% of Patients and Higher in TAVNEOS Group vs. Prednisone Group in Phase 3 Trial
Adverse ReactionPrednisone (N = 164) n (%)TAVNEOS (N = 166) n (%)
N = number of patients randomized to treatment group in the Safety Population; n = number of patients in specified category.
Nausea34 (20.7)39 (23.5)
Headache23 (14.0)34 (20.5)
Hypertension29 (17.7)30 (18.1)
Diarrhea24 (14.6)25 (15.1)
Vomiting21 (12.8)25 (15.1)
Rash13 (7.9)19 (11.4)
Fatigue15 (9.1)17 (10.2)
Upper abdominal pain10 (6.1)11 (6.6)
Dizziness10 (6.1)11 (6.6)
Blood creatinine increased8 (4.9)10 (6.0)
Paresthesia7 (4.3)9 (5.4)
"],"information_for_patients":["17 PATIENT COUNSELING INFORMATION Advise the patient to read the FDA - approved patient labeling (Medication Guide). Dosage and Administration: Instruct the patient that TAVNEOS should be swallowed whole. TAVNEOS should not be chewed or crushed. If a dose is missed, instruct the patient to take the next scheduled dose [see Dosage and Administration (2.2) ]. Hypersensitivity Reactions: Advise patients to seek immediate medical attention when experiencing any signs or symptoms suggesting angioedema (swelling of face, extremities, eyes, lips, tongue, and difficulty in swallowing or breathing) and to discontinue the drug until they have consulted with the prescribing physician [see Warnings and Precautions (5.2) ]. Hepatotoxicity: Inform patients of the signs and symptoms of hepatic adverse reactions. Advise patients to contact their healthcare provider immediately for signs or symptoms of liver problems; yellowing of the skin or the white part of the eyes (jaundice), dark or brown (tea colored) urine, pain on the upper right side of the stomach area (abdomen), bleeding or bruising [see Warnings and Precautions (5.1) ]. Infections: Inform patients that serious infections have been reported in patients receiving TAVNEOS, including reactivation of hepatitis B infection. Instruct patients to contact their healthcare provider immediately if they develop any signs or symptoms of an infection [see Warnings and Precautions (5.4) ]. Lactation: Consider benefits/risk during lactation [see Use in Specific Populations (8.2) ]."],"spl_unclassified_section":["TAVNEOS ® (avacopan) Manufactured for: ChemoCentryx, Inc. One Amgen Center Drive Thousand Oaks, CA 91320-1799 Patent: https://pat.amgen.com/tavneos © 2021, 2024 ChemoCentryx, Inc. All rights reserved. 1xxxxxx – v3"],"dosage_and_administration":["2 DOSAGE AND ADMINISTRATION The recommended dosage is 30 mg (three 10 mg capsules) twice daily, with food. ( 2 ) 2.1 Recommended Evaluations Prior to Treatment Initiation Before initiating TAVNEOS, perform the following evaluations: Liver Function Tests: Obtain liver test panel (serum alanine aminotransferase [ALT], aspartate aminotransferase [AST], alkaline phosphatase, and total bilirubin) before initiating TAVNEOS. TAVNEOS is not recommended for use in patients with cirrhosis, especially those with severe hepatic impairment (Child-Pugh C) [see Warnings and Precautions (5.1) and Use in Specific Populations (8.7) ]. Hepatitis B (HBV) Serology: Screen patients for HBV infection by measuring HBsAg and anti-HBc . For patients with evidence of prior or current HBV infection, consult with a physician with expertise in managing hepatitis B regarding monitoring and consideration for HBV antiviral therapy before or during treatment with TAVNEOS [see Warnings and Precautions (5.3) ]. 2.2 Recommended Dosage and Administration The recommended dose of TAVNEOS is 30 mg (three 10 mg capsules) twice daily, with food. Advise patients that TAVNEOS capsules should not be crushed, chewed or opened. If a dose is missed, instruct the patient to wait until the usual scheduled time to take the next regular dose. Instruct the patient not to double the next dose. 2.3 Dosage Modifications Due to CYP3A4 Inhibitors Reduce the dosage of TAVNEOS to 30 mg once daily when used concomitantly with strong CYP3A4 inhibitors."],"spl_product_data_elements":["TAVNEOS avacopan AVACOPAN AVACOPAN POLYOXYL 40 HYDROGENATED CASTOR OIL POLYETHYLENE GLYCOL 4000 FERRIC OXIDE RED FERRIC OXIDE YELLOW TITANIUM DIOXIDE GELATIN, UNSPECIFIED FERROSOFERRIC OXIDE POLYSORBATE 80 light orange opaque yellow opaque CCX168"],"dosage_forms_and_strengths":["3 DOSAGE FORMS AND STRENGTHS Capsules: 10 mg, opaque, yellow and light orange with CCX168 printed in black. Capsules: 10 mg ( 3 )"],"clinical_pharmacology_table":["
Table 2. Changes in Pharmacokinetics of Avacopan and M1 in the Presence of Co-administered Drugs
Co-administered DrugRegimen of Co-administered DrugRatio (90% CI)Ratios for Cmax and AUC comparing co-administration of the medication with avacopan vs. administration of avacopan alone.
CmaxAUC
CI: Confidence interval
Strong CYP3A4 inhibitor: itraconazole200 mg once daily for 4 daysAvacopan1.87 (1.70, 2.06)2.19 (2.00, 2.41)
M11.03 (0.95, 1.11)1.19 (1.11, 1.28)
Strong CYP3A4 inducer: rifampin600 mg once daily for 11 daysAvacopan0.21 (0.18, 0.25)0.07 (0.06, 0.10)
M10.27 (0.23, 0.31)0.07 (0.06, 0.09)
","
Table 3. Change in Pharmacokinetics of Co-administered Drugs in the Presence of Avacopan
Co-administered DrugRegimen of AvacopanRatio (90% CI)Ratios for Cmax and AUC comparing co-administration of the medication with avacopan vs. administration of medication alone.
CmaxAUC
CI: Confidence interval
Sensitive CYP3A4 substrate: simvastatin60 mg twice daily for 7 days (fed)Avacopan doses were taken with food. Avacopan systemic exposure represents the therapeutic exposure at steady state with 30 mg twice daily under fed conditions.3.20 (2.49, 4.10)3.53 (3.23, 3.85)
Sensitive CYP3A4 substrate: midazolam30 mg twice daily for 11 days (fasted)Avacopan doses were taken under fasted conditions. No food was allowed for at least 2 hours post dose for the morning doses. Avacopan systemic exposure was below the therapeutic exposure at steady state with 30 mg twice daily under fed conditions.1.55 (1.41, 1.69)1.81 (1.65, 1.98)
Sensitive CYP2C9 substrate: celecoxib30 mg twice daily for 11 days (fasted)1.64 (1.34, 2.00)1.15 (1.03, 1.28)
"],"use_in_specific_populations":["8 USE IN SPECIFIC POPULATIONS 8.1 Pregnancy Risk Summary There are no adequate and well-controlled studies with TAVNEOS in pregnant women to inform a drug-associated risk. In animal reproduction studies, oral administration of avacopan to pregnant hamsters and rabbits during the period of organogenesis produced no evidence of fetal harm with exposures up to approximately 5 and 0.6 times, respectively, the exposure at the maximum recommended human dose (MRHD) of 30 mg twice daily (on an area under the curve [AUC] basis). Avacopan caused an increase in the number of abortions in rabbits at an exposure 0.6 times the MRHD (see Animal Data ) . The background risk of major birth defects and miscarriage for the indicated population are unknown. In the U.S. general population, the estimated background risk of major birth defects and miscarriage in clinically recognized pregnancies is 2-4% and 15-20%, respectively. Data Animal Data In an embryo-fetal development study with pregnant hamsters dosed by the oral route during the period of organogenesis from gestation days 6 to 12, avacopan produced an increase in the incidence of a skeletal variation, described as supernumerary ribs, at an exposure that was 5 times the MRHD (on an AUC basis with a maternal oral dose of 1000 mg/kg/day). No structural abnormalities were noted with exposures up to 5 times the MRHD (on an AUC basis with maternal oral doses up to 1000 mg/kg/day). In an embryo-fetal development study with pregnant rabbits dosed by the oral route during the period of organogenesis from gestation days 6 to 18, avacopan caused an increase in the number of abortions at an exposure 0.6 times the MRHD (on an AUC basis with a maternal oral dose of 200 mg/kg/day), however, no evidence of fetal harm was observed with such exposures. Maternal toxicity, as evidenced by decreased body weight gains, was observed at exposures 0.6 times and higher than the MRHD (on an AUC basis with maternal oral doses of 30 mg/kg/day and higher). In a prenatal and postnatal development study with pregnant hamsters dosed by the oral route during the periods of gestation and lactation from gestation day 6 to lactation day 20, avacopan had no effects on the growth and development of offspring with exposures up to approximately 5 times the MRHD (on an AUC basis with maternal oral doses up to 1000 mg/kg/day). 8.2 Lactation Risk Summary There are no available data on the effects of avacopan on the breastfed child or on milk production. It is unknown whether avacopan is secreted in human milk. Avacopan was detected in the plasma of undosed hamster pups nursing from drug-treated dams (see Animal Data ) . The developmental and health benefits of breastfeeding should be considered along with the mother's clinical need for TAVNEOS and any potential adverse effects on the breast-fed infant from TAVNEOS or from the underlying maternal condition. Animal Data Avacopan has not been measured in the milk of lactating animals; however, it was detected in the plasma of nursing offspring in a pre- and post-natal development study with hamsters at a pup to maternal plasma ratio of 0.37. This finding suggests that avacopan is secreted into the milk of lactating hamsters. [see Nonclinical Toxicology (13.1) ]. 8.4 Pediatric Use The safety and effectiveness of TAVNEOS in pediatric patients have not been established. 8.5 Geriatric Use Of the 86 geriatric patients who received TAVNEOS in the phase 3 randomized clinical trial for ANCA-associated vasculitis [see Clinical Studies (14) ] , 62 patients were between 65-74 years and 24 were 75 years or older. No overall differences in safety or effectiveness were observed between geriatric patients and younger patients. 8.6 Patients with Renal Impairment No dose adjustment is required for patients with mild, moderate, or severe renal impairment [see Clinical Pharmacology (12.3) ] . TAVNEOS has not been studied in patients with ANCA-associated vasculitis who are on dialysis. 8.7 Patients with Hepatic Impairment No dosage adjustment is recommended for patients with mild or moderate (as indicated by the Child-Pugh method) hepatic impairment [Clinical Pharmacology (12.3)] . TAVNEOS has not been studied in patients with severe hepatic impairment (Child-Pugh Class C)."],"package_label_principal_display_panel":["PRINCIPAL DISPLAY PANEL - 180 Capsule Bottle Carton NDC 73556-168-01 TAVNEOS ® (avacopan) capsules 10 mg PHARMACIST: Dispense with accompanying Medication Guide to each patient. 180 capsules Rx Only AMGEN ® PRINCIPAL DISPLAY PANEL - 180 Capsule Bottle Carton","PRINCIPAL DISPLAY PANEL - 30 Capsule Bottle Carton NDC 73556-168-02 TAVNEOS ® (avacopan) capsules 10 mg PHARMACIST: Dispense with accompanying Medication Guide to each patient. 30 capsules Rx Only AMGEN ® PRINCIPAL DISPLAY PANEL - 30 Capsule Bottle Carton"],"carcinogenesis_and_mutagenesis_and_impairment_of_fertility":["13.1 Carcinogenesis, Mutagenesis, Impairment of Fertility Carcinogenesis Two-year carcinogenicity studies in Sprague-Dawley rats and Syrian hamsters were conducted to assess the carcinogenic potential of avacopan. Avacopan demonstrated no tumorigenic potential in a study with rats that received oral doses up to 100 mg/kg/day (approximately 3 times the MRHD in adults on an AUC basis) and a study in hamsters that received oral doses up to 100 mg/kg/day (approximately 6 times the MRHD in adults on an AUC basis). Mutagenesis Avacopan was not mutagenic or clastogenic in the following assays: in vitro bacterial reverse mutation (Ames) test, in vitro mouse lymphoma assay, and in vivo rat micronucleus test. Impairment of Fertility Fertility and reproductive performance were unaffected in male and female hamsters that received avacopan by the oral route at dose levels up to 1000 mg/kg/day (approximately 7 times the MRHD on an AUC basis)."]},"tags":[{"label":"Complement 5a Receptor Antagonist","category":"class"},{"label":"Small Molecule","category":"modality"},{"label":"C5a anaphylatoxin chemotactic receptor 1","category":"target"},{"label":"C5AR1","category":"gene"},{"label":"L04AA59","category":"atc"},{"label":"Oral","category":"route"},{"label":"Capsule","category":"form"},{"label":"Active","category":"status"},{"label":"Anti-Neutrophil Cytoplasmic Autoantibody (ANCA)-associated vasculitis (granulomatosis with polyangiitis and microscopic polyangiitis)","category":"indication"},{"label":"Granulomatosis with polyangiitis","category":"indication"},{"label":"Microscopic polyangiitis","category":"indication"},{"label":"Chemocentryx","category":"company"},{"label":"Approved 2020s","category":"decade"}],"phase":"marketed","safety":{"boxedWarnings":[],"safetySignals":[{"date":"","signal":"HOSPITALISATION","source":"FDA FAERS","actionTaken":"627 reports"},{"date":"","signal":"OFF LABEL USE","source":"FDA FAERS","actionTaken":"319 reports"},{"date":"","signal":"DEATH","source":"FDA FAERS","actionTaken":"297 reports"},{"date":"","signal":"FATIGUE","source":"FDA FAERS","actionTaken":"226 reports"},{"date":"","signal":"DIARRHOEA","source":"FDA FAERS","actionTaken":"224 reports"},{"date":"","signal":"NAUSEA","source":"FDA FAERS","actionTaken":"213 reports"},{"date":"","signal":"PNEUMONIA","source":"FDA FAERS","actionTaken":"165 reports"},{"date":"","signal":"HEADACHE","source":"FDA FAERS","actionTaken":"163 reports"},{"date":"","signal":"COVID-19","source":"FDA FAERS","actionTaken":"154 reports"},{"date":"","signal":"PRODUCT DOSE OMISSION ISSUE","source":"FDA FAERS","actionTaken":"146 reports"}],"commonSideEffects":[{"effect":"Pneumonia","drugRate":"4.8%","severity":"serious","_validated":true},{"effect":"Acute kidney injury","drugRate":"1.8%","severity":"serious","_validated":true},{"effect":"Urinary tract infection","drugRate":"1.8%","severity":"serious","_validated":true},{"effect":"Hepatic function abnormal","drugRate":"1.8%","severity":"serious","_validated":true},{"effect":"Angioedema","drugRate":"1.2%","severity":"serious","_validated":true},{"effect":"Vomiting","drugRate":"15.1%","severity":"common","_validated":true},{"effect":"Diarrhea","drugRate":"15.1%","severity":"common","_validated":true},{"effect":"Nausea","drugRate":"13.3%","severity":"common","_validated":true},{"effect":"Headache","drugRate":"","severity":"common","_validated":false,"_confidence":0.3},{"effect":"Rash","drugRate":"11.4%","severity":"common","_validated":true},{"effect":"Fatigue","drugRate":"10.2%","severity":"common","_validated":true},{"effect":"Upper abdominal pain","drugRate":"6.6%","severity":"common","_validated":true},{"effect":"Dizziness","drugRate":"6.6%","severity":"common","_validated":true},{"effect":"Blood creatinine increased","drugRate":"6.0%","severity":"common","_validated":true},{"effect":"Paresthesia","drugRate":"5.4%","severity":"common","_validated":true},{"effect":"Hepatobiliary adverse reactions","drugRate":"reported","severity":"unknown"},{"effect":"Liver enzymes abnormalities","drugRate":"reported","severity":"unknown"},{"effect":"Hepatotoxicity","drugRate":"reported","severity":"unknown"},{"effect":"Elevated Liver Function Tests","drugRate":"reported","severity":"unknown"},{"effect":"Elevated Creatine Phosphokinase","drugRate":"reported","severity":"unknown"},{"effect":"Hypertension","drugRate":"reported","severity":"common"},{"effect":"Increased creatine phosphokinase","drugRate":"reported","severity":"unknown"},{"effect":"Death","drugRate":"reported","severity":"serious"},{"effect":"Discontinued treatment due to hepatic-related adverse reactions","drugRate":"reported","severity":"serious"},{"effect":"Discontinued treatment due to increased creatine phosphokinase","drugRate":"reported","severity":"serious"}],"specialPopulations":{"Pregnancy":"There are no adequate and well-controlled studies with TAVNEOS in pregnant women to inform drug-associated risk. In animal reproduction studies, oral administration of avacopan to pregnant hamsters and rabbits during the period of organogenesis produced no evidence of fetal harm with exposures up to approximately and 0.6 times, respectively, the exposure at the maximum recommended human dose (MRHD) of 30 mg twice daily (on an area under the curve [AUC] basis). Avacopan caused an increase in the number of abortions in rabbits at an exposure 0.6 times the MRHD (see Animal Data).The background risk of major birth defects and miscarriage for the indicated population are unknown. In the U.S. general population, the estimated background risk of major birth defects and miscarriage in clinically recognized pregnancies is 2-4% and 15-20%, respectively. DataAnimal DataIn an embryo-fetal development study with pregnant hamsters dosed by the oral route during the period of organogenesis from gestation days to 12, avacopan produced an increase in the incidence of skeletal variation, described as supernumerary ribs, at an exposure that was times the MRHD (on an AUC basis with maternal oral dose of 1000 mg/kg/day). No structural abnormalities were noted with exposures up to times the MRHD (on an AUC basis with maternal oral doses up to 1000 mg/kg/day).In an embryo-fetal development study with pregnant rabbits dosed by the oral route ","Geriatric use":"Of the 86 geriatric patients who received TAVNEOS in the phase randomized clinical trial for ANCA-associated vasculitis [see Clinical Studies (14)], 62 patients were between 65-74 years and 24 were 75 years or older. No overall differences in safety or effectiveness were observed between geriatric patients and younger patients.","Paediatric use":"The safety and effectiveness of TAVNEOS in pediatric patients have not been established."}},"trials":[],"aliases":[],"company":"Chemocentryx","patents":[{"applNo":"N214487","source":"FDA Orange Book","status":"Active","expires":"Nov 27, 2039","useCode":"U-3558","territory":"US","drugProduct":true,"patentNumber":"11603356","drugSubstance":true},{"applNo":"N214487","source":"FDA Orange Book","status":"Active","expires":"Nov 27, 2039","useCode":"","territory":"US","drugProduct":true,"patentNumber":"11951214","drugSubstance":false},{"applNo":"N214487","source":"FDA Orange Book","status":"Active","expires":"Jan 6, 2034","useCode":"","territory":"US","drugProduct":true,"patentNumber":"8906938","drugSubstance":true},{"applNo":"N214487","source":"FDA Orange Book","status":"Active","expires":"Feb 3, 2031","useCode":"","territory":"US","drugProduct":true,"patentNumber":"8445515","drugSubstance":true}],"pricing":[],"_fixedAt":"2026-03-30T16:35:20.962996","_sources":{"trials":{"url":"https://clinicaltrials.gov/search?intr=AVACOPAN","method":"api_direct","source":"ClinicalTrials.gov","rawText":"","confidence":1,"sourceType":"ctgov","retrievedAt":"2026-04-20T00:31:35.708612+00:00"},"patents":{"url":"","method":"deterministic","source":"FDA Orange Book","rawText":"","confidence":1,"sourceType":"fda_orange_book","retrievedAt":"2026-04-20T00:31:34.110584+00:00"},"regulatory.ca":{"url":"","method":"api_direct","source":"Health Canada DPD","rawText":"","confidence":1,"sourceType":"health_canada_dpd","retrievedAt":"2026-04-20T00:31:42.378598+00:00"},"regulatory.eu":{"url":"","method":"api_direct","source":"European Medicines Agency","rawText":"","confidence":1,"sourceType":"ema_api","retrievedAt":"2026-04-20T00:31:35.745928+00:00"},"regulatory.us":{"url":"","method":"api_direct","source":"FDA Drugs@FDA","rawText":"","confidence":1,"sourceType":"fda_drugsfda","retrievedAt":"2026-04-20T00:31:32.642888+00:00"},"publicationCount":{"url":"https://pubmed.ncbi.nlm.nih.gov/?term=AVACOPAN","method":"api_direct","source":"PubMed/NCBI","rawText":"","confidence":1,"sourceType":"pubmed","retrievedAt":"2026-04-20T00:31:43.022686+00:00"},"mechanism.drugClass":{"url":"https://api.fda.gov/drug/label.json","method":"deterministic","source":"FDA Label (EPC)","rawText":"","confidence":1,"sourceType":"fda_label","retrievedAt":"2026-04-20T00:31:31.715170+00:00"},"administration.route":{"url":"","method":"deterministic","source":"FDA Label","rawText":"","confidence":1,"sourceType":"fda_label","retrievedAt":"2026-04-20T00:31:31.715343+00:00"},"safety.boxedWarnings":{"url":"","method":"deterministic","source":"FDA Label (no boxed warning)","rawText":"","confidence":1,"sourceType":"fda_label","retrievedAt":"2026-04-20T00:31:31.715377+00:00"},"safety.safetySignals":{"url":"https://api.fda.gov/drug/event.json","method":"api_direct","source":"FDA FAERS","rawText":"","confidence":1,"sourceType":"fda_faers","retrievedAt":"2026-04-20T00:31:44.529897+00:00"},"mechanism.target_chembl":{"url":"","method":"api_direct","source":"ChEMBL mechanism: C5a anaphylatoxin chemotactic receptor antagonist","rawText":"","confidence":1,"sourceType":"chembl","retrievedAt":"2026-04-20T00:31:43.629265+00:00"},"crossReferences.chemblId":{"url":"https://www.ebi.ac.uk/chembl/compound_report_card/CHEMBL3989871/","method":"api_direct","source":"ChEMBL (EMBL-EBI)","rawText":"","confidence":1,"sourceType":"chembl","retrievedAt":"2026-04-20T00:31:43.547284+00:00"},"regulatory.fda_application":{"url":"","method":"deterministic","source":"FDA Label","rawText":"NDA214487","confidence":1,"sourceType":"fda_label","retrievedAt":"2026-04-20T00:31:31.715389+00:00"}},"allNames":"tavneos","offLabel":[],"synonyms":["avacopan","tavneos","CCX168"],"timeline":[{"date":"2021-01-01","type":"neutral","source":"FDA Orange Book","milestone":"Rights transferred from CHEMOCENTRYX to Chemocentryx"},{"date":"2021-09-27","type":"positive","source":"DrugCentral","milestone":"PMDA approval (Kissei Pharmaceutical Co., Ltd.)"},{"date":"2021-10-07","type":"positive","source":"DrugCentral","milestone":"FDA approval (Chemocentryx)"},{"date":"2022-01-11","type":"positive","source":"DrugCentral","milestone":"EMA approval (Vifor Fresenius Medical Care Renal Pharma France)"},{"date":"2026-10-07","type":"negative","source":"FDA Orange Book","milestone":"New Chemical Entity exclusivity expires"},{"date":"2028-10-07","type":"negative","source":"FDA Orange Book","milestone":"ODE-377 exclusivity expires"},{"date":"2031-02-03","type":"negative","source":"FDA Orange Book","milestone":"Substance patent 8445515 expires"},{"date":"2034-01-06","type":"negative","source":"FDA Orange Book","milestone":"Substance patent 8906938 expires"},{"date":"2039-11-27","type":"negative","source":"FDA Orange Book","milestone":"Substance patent 11603356 expires"}],"aiSummary":"Tavneos (AVACOPAN) is a small molecule complement 5a receptor antagonist developed by Chemocentryx. It targets the C5a anaphylatoxin chemotactic receptor 1 to treat Anti-Neutrophil Cytoplasmic Autoantibody (ANCA)-associated vasculitis, specifically granulomatosis with polyangiitis and microscopic polyangiitis. Tavneos was FDA-approved in 2021 and is currently patented. Key safety considerations include the potential for increased risk of infections due to immunosuppression. It is a treatment option for patients with these rare and serious autoimmune disorders.","brandName":"Tavneos","ecosystem":[{"indication":"Anti-Neutrophil Cytoplasmic Autoantibody (ANCA)-associated vasculitis (granulomatosis with polyangiitis and microscopic polyangiitis)","otherDrugs":[],"globalPrevalence":120000},{"indication":"Granulomatosis with polyangiitis","otherDrugs":[{"name":"rituximab","slug":"rituximab","company":"Genentech"}],"globalPrevalence":120000},{"indication":"Microscopic polyangiitis","otherDrugs":[{"name":"rituximab","slug":"rituximab","company":"Genentech"}],"globalPrevalence":342744}],"mechanism":{"target":"C5a anaphylatoxin chemotactic receptor 1","novelty":"Follow-on","targets":[{"gene":"C5AR1","source":"DrugCentral","target":"C5a anaphylatoxin chemotactic receptor 1","protein":"C5a anaphylatoxin chemotactic receptor 1"}],"moaClass":"Complement 5a Receptor Antagonists","modality":"Small Molecule","drugClass":"Complement 5a Receptor Antagonist [EPC]","explanation":"Avacopan is complement 5a receptor (C5aR) antagonist that inhibits the interaction between C5aR and the anaphylatoxin C5a. Avacopan blocks C5a-mediated neutrophil activation and migration. The precise mechanism by which avacopan exerts therapeutic effect in patients with ANCA-associated vasculitis has not been definitively established.","oneSentence":"Tavneos blocks the action of a chemical called C5a, which is involved in the body's inflammatory response.","technicalDetail":"Tavneos selectively antagonizes the C5a receptor 1 (C5aR1), a key component of the complement system, thereby inhibiting the pro-inflammatory effects of C5a and reducing neutrophil recruitment and activation."},"commercial":{"launchDate":"2021","revenueYear":2024,"_launchSource":"DrugCentral (FDA 2021-10-07, CHEMOCENTRYX)","annualRevenue":400,"revenueSource":"Amgen 10-K FY2024","revenueCurrency":"USD"},"references":[{"id":1,"url":"https://drugcentral.org/drugcard/5494","fields":["approvals","synonyms","ATC","PK","indications","contraindications","DDIs","targets","patents","FAERS"],"source":"DrugCentral"},{"id":2,"url":"https://clinicaltrials.gov/search?intr=AVACOPAN","fields":["trials"],"source":"ClinicalTrials.gov"},{"id":3,"url":"https://pubmed.ncbi.nlm.nih.gov/?term=AVACOPAN","fields":["publications"],"source":"PubMed/NCBI"},{"id":4,"url":"https://www.fda.gov/drugs/drug-approvals-and-databases/orange-book-data-files","fields":["patents","exclusivity","genericManufacturers"],"source":"FDA Orange 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protected","relationship":"same-class"},{"drugName":"belatacept","drugSlug":"belatacept","fdaApproval":"2011-06-15","relationship":"same-class"},{"drugName":"tofacitinib","drugSlug":"tofacitinib","fdaApproval":"2012-11-06","patentExpiry":"Sep 14, 2034","patentStatus":"Patent protected","relationship":"same-class"},{"drugName":"teriflunomide","drugSlug":"teriflunomide","fdaApproval":"2012-09-12","patentExpiry":"Sep 14, 2030","patentStatus":"Patent protected","relationship":"same-class"},{"drugName":"apremilast","drugSlug":"apremilast","fdaApproval":"2014-03-21","patentExpiry":"Nov 29, 2034","patentStatus":"Patent 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(18771432[PMID]_9805179[PMID]_17553910[PMID]_14872461[PMID])"},{"name":"Granulomatosis with polyangiitis","source":"DrugCentral","snomedId":195353004,"regulator":"FDA","eligibility":"adult patients with severe active disease","usPrevalence":null,"globalPrevalence":120000,"prevalenceMethod":"curated","prevalenceSource":"Orphanet (18771432[PMID]_9805179[PMID]_17553910[PMID]_14872461[PMID])"},{"name":"Microscopic polyangiitis","source":"DrugCentral","snomedId":1144805008,"regulator":"FDA","eligibility":"adult patients with severe active disease","usPrevalence":null,"globalPrevalence":342744,"prevalenceMethod":"curated","prevalenceSource":"Orphanet (25805746[PMID]_ORPHANET)"}],"offLabel":[],"pipeline":[]},"_fixedFields":["pubmed(280)"],"currentOwner":"Chemocentryx","drugCategory":"active","labelChanges":[],"relatedDrugs":[{"drugId":"muromonab-cd3","brandName":"muromonab-CD3","genericName":"muromonab-CD3","approvalYear":"1992","relationship":"same-class"},{"drugId":"mycophenolic-acid","brandName":"mycophenolic acid","genericName":"mycophenolic 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Study of Avacopan in Participants With Normal Renal Function and Participants With End-Stage Renal Disease (ESRD)","status":"COMPLETED","sponsor":"Amgen","startDate":"2024-06-18","conditions":["End-Stage Renal Disease (ESRD)"],"enrollment":13,"completionDate":"2024-10-05"},{"nctId":"NCT06321601","phase":"PHASE3","title":"Study to Evaluate Avacopan in Combination With a Rituximab or Cyclophosphamide-containing Regimen, in Children From 6 Years to < 18 Years of Age With AAV.","status":"RECRUITING","sponsor":"Amgen","startDate":"2024-10-22","conditions":["Vasculitis"],"enrollment":20,"completionDate":"2028-09-26"},{"nctId":"NCT06072482","phase":"PHASE4","title":"A Study to Evaluate Avacopan in Participants With ANCA-associated Vasculitis","status":"RECRUITING","sponsor":"Amgen","startDate":"2024-02-07","conditions":["Antineutrophil Cytoplasmic Antibody-associated Vasculitis"],"enrollment":300,"completionDate":"2036-12-31"},{"nctId":"NCT07373262","phase":"PHASE3","title":"Avacopan Added to Standard-of-care Therapy in ANCA-associated Vasculitis With Severe Kidney Involvement","status":"NOT_YET_RECRUITING","sponsor":"University Hospital, Toulouse","startDate":"2026-03-01","conditions":["ANCA-Associated Vasculitis (AAV)"],"enrollment":130,"completionDate":"2030-07-01"},{"nctId":"NCT06676579","phase":"PHASE2","title":"Avacopan in Crescentic Immunoglobulin A Nephropathy (IgAN)","status":"RECRUITING","sponsor":"Mayo Clinic","startDate":"2025-06-09","conditions":["IgA Nephropathy (IgAN)"],"enrollment":16,"completionDate":"2029-03-02"},{"nctId":"NCT07176546","phase":"PHASE2,PHASE3","title":"TAVNEOS for Otolaryngologic Manifestations of Granulomatosis With Polyangiitis","status":"NOT_YET_RECRUITING","sponsor":"Robert Spiera, MD","startDate":"2026-07","conditions":["Granulomatosis With Polyangiitis","Wegener's","GPA"],"enrollment":30,"completionDate":"2030-10"},{"nctId":"NCT06611696","phase":"PHASE4","title":"Avacopan vs Reduced-dose Glucocorticoids in ANCA-associated 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