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NCT06201559

Bioequivalence Study Between Two Albendazole 400 mg Tablets in Healthy Adult Participants Under Fed Conditions

Completed Phase 1 Results posted Last updated 27 January 2025
What this trial tests

Phase 1 trial testing Albendazole IP 400 mg in Intestinal Diseases in 70 participants. Completed in 12 September 2023.

Timeline
21 August 2023
Primary endpoint
12 September 2023
12 September 2023

Quick facts

Lead sponsorGlaxoSmithKline
PhasePhase 1
StatusCompleted
Study typeINTERVENTIONAL
Allocationrandomized
Designcrossover
Maskingnone
Primary purposeother
Enrollment70
Start date21 August 2023
Primary completion12 September 2023
Estimated completion12 September 2023
Sites1 location across India

Drugs / interventions tested

Conditions studied

Sponsor

GlaxoSmithKline — full company profile →

Who can join

Adults 18 to 45, any sex, with Intestinal Diseases. Patients with the condition only — healthy volunteers not accepted.

Results — posted to ClinicalTrials.gov

Per-arm endpoint measurements with 95% confidence intervals where reported. Source: trial results section.

Maximum Plasma Concentration (Cmax) of Albendazole Primary · Pre-dose, 0.33, 0.67, 1, 1.33, 1.67, 2, 2.33, 2.67, 3, 3.33, 3.67, 4, 4.50, 5, 6, 8, 10, 12, 14, 18 and 24 hours

Blood samples were collected for pharmacokinetic (PK) analysis of Albendazole. PK parameter was determined using standard non-compartmental methods.

GroupValue95% CI
Albendazole IP 400 mg/400mg - Test 1 (T1)43.846± 114.1
Albendazole IP 400 mg/400 mg - Test 2 (T2)41.685± 110.9
Albendazole 400 mg/IP 400 mg - Reference 1 (R1)39.737± 112.1
Albendazole 400 mg/IP 400 mg - Reference 2 (R2)46.115± 102.6
Area Under the Plasma Concentration Curve From Time 0 to the Last Measured [AUC(0-t)] for Albendazole Primary · Pre-dose, 0.33, 0.67, 1, 1.33, 1.67, 2, 2.33, 2.67, 3, 3.33, 3.67, 4, 4.50, 5, 6, 8, 10, 12, 14, 18 and 24 hours

Blood samples were collected for PK analysis of Albendazole. PK parameter was determined using standard non-compartmental methods.

GroupValue95% CI
Albendazole IP 400 mg/400mg - Test 1 (T1)179.419± 129.5
Albendazole IP 400 mg/400mg - Test 2 (T2)164.052± 120.4
Albendazole 400 mg/ IP 400mg - Reference 1 (R1)161.034± 127.4
Albendazole 400 mg/ IP 400mg - Reference 2 (R2)182.792± 117.2
Maximum Plasma Concentration (Cmax) of Albendazole Sulfoxide Secondary · Pre-dose, 0.33, 0.67, 1, 1.33, 1.67, 2, 2.33, 2.67, 3, 3.33, 3.67, 4, 4.50, 5, 6, 8, 10, 12, 14, 18 and 24 hours

Blood samples were collected for PK analysis of Albendazole sulfoxide. PK parameter was determined using standard non-compartmental methods.

GroupValue95% CI
Albendazole IP 400 mg/ 400mg - Test 1 (T1)638.051± 63.3
Albendazole IP 400 mg/ 400mg - Test 2 (T2)644.730± 59.4
Albendazole 400 mg/ IP 400mg - Reference 1 (R1)643.276± 62.6
Albendazole 400 mg/ IP 400mg - Reference 2 (R2)710.382± 53.8
Area Under the Plasma Concentration Curve From Time 0 to the Last Measured [AUC(0-t)] of Albendazole Sulfoxide Secondary · Pre-dose, 0.33, 0.67, 1, 1.33, 1.67, 2, 2.33, 2.67, 3, 3.33, 3.67, 4, 4.50, 5, 6, 8, 10, 12, 14, 18 and 24 hours

Blood samples were collected for PK analysis of Albendazole sulfoxide. PK parameter was determined using standard non-compartmental methods.

GroupValue95% CI
Albendazole IP 400 mg/ 400mg - Test 1 (T1)6129.744± 74.2
Albendazole IP 400 mg/ 400mg - Test 2 (T2)6023.449± 68.9
Albendazole 400 mg/ IP 400mg - Reference 1 (R1)6046.054± 73.2
Albendazole 400 mg/ IP 400mg - Reference 2 (R2)6572.338± 67.8
Area Under the Plasma Concentration-time Curve Extrapolated to Infinity [AUC0-inf] of Albendazole and Albendazole Sulfoxide Secondary · Pre-dose, 0.33, 0.67, 1, 1.33, 1.67, 2, 2.33, 2.67, 3, 3.33, 3.67, 4, 4.50, 5, 6, 8, 10, 12, 14, 18 and 24 hours

Blood samples were collected for PK analysis of Albendazole and albendazole sulfoxide. PK parameter was determined using standard non-compartmental methods.

Albendazole
GroupValue95% CI
Albendazole IP 400 mg/ 400 mg - Test 1 (T1)189.347± 128.6
Albendazole IP 400 mg/ 400 mg - Test 2 (T2)174.979± 119.0
Albendazole 400 mg / IP 400mg- Reference 1 (R1)169.433± 127.1
Albendazole 400 mg/ IP 400mg - Reference 2 (R2)192.388± 116.1
Albendazole sulfoxide
GroupValue95% CI
Albendazole IP 400 mg/ 400 mg - Test 1 (T1)7372.856± 80.1
Albendazole IP 400 mg/ 400 mg - Test 2 (T2)7189.644± 73.4
Albendazole 400 mg / IP 400mg- Reference 1 (R1)7204.107± 81.2
Albendazole 400 mg/ IP 400mg - Reference 2 (R2)7816.474± 74.5
Time Until Cmax is Reached (Tmax) for Albendazole and Albendazole Sulfoxide Secondary · Pre-dose, 0.33, 0.67, 1, 1.33, 1.67, 2, 2.33, 2.67, 3, 3.33, 3.67, 4, 4.50, 5, 6, 8, 10, 12, 14, 18 and 24 hours

Blood samples were collected for PK analysis of Albendazole and albendazole sulfoxide. PK parameter was determined using standard non-compartmental methods.

Albendazole
GroupValue95% CI
Albendazole IP 400 mg/ 400 mg - Test 1 (T1)3.31± 33.4
Albendazole IP 400 mg/ 400 mg - Test 2 (T2)3.41± 30.4
Albendazole 400 mg / IP 400mg- Reference 1 (R1)3.39± 32.9
Albendazole 400 mg/ IP 400mg - Reference 2 (R2)3.52± 30.6
Albendazole sulfoxide
GroupValue95% CI
Albendazole IP 400 mg/ 400 mg - Test 1 (T1)4.64± 16.4
Albendazole IP 400 mg/ 400 mg - Test 2 (T2)4.64± 21.7
Albendazole 400 mg / IP 400mg- Reference 1 (R1)4.62± 19.4
Albendazole 400 mg/ IP 400mg - Reference 2 (R2)4.63± 20.0
Plasma Concentration Half-life (t1/2) of Albendazole and Albendazole Sulfoxide Secondary · Pre-dose, 0.33, 0.67, 1, 1.33, 1.67, 2, 2.33, 2.67, 3, 3.33, 3.67, 4, 4.50, 5, 6, 8, 10, 12, 14, 18 and 24 hours

Blood samples were collected for PK analysis of Albendazole and albendazole sulfoxide. PK parameter was determined using standard non-compartmental methods.

Albendazole
GroupValue95% CI
Albendazole IP 400 mg/ 400mg - Test 1 (T1)5.22± 55.1
Albendazole IP 400 mg/ 400mg - Test 2 (T2)5.53± 74.9
Albendazole 400 mg/ IP 400mg - Reference 1 (R1)5.11± 60.0
Albendazole 400 mg/ IP 400mg - Reference 2 (R2)5.62± 56.0
Albendazole sulfoxide
GroupValue95% CI
Albendazole IP 400 mg/ 400mg - Test 1 (T1)8.47± 34.8
Albendazole IP 400 mg/ 400mg - Test 2 (T2)8.20± 28.4
Albendazole 400 mg/ IP 400mg - Reference 1 (R1)8.21± 28.2
Albendazole 400 mg/ IP 400mg - Reference 2 (R2)8.07± 32.8
Terminal Elimination Rate Constant (Lambda-z (λz)) of Albendazole and Albendazole Sulfoxide Secondary · Pre-dose, 0.33, 0.67, 1, 1.33, 1.67, 2, 2.33, 2.67, 3, 3.33, 3.67, 4, 4.50, 5, 6, 8, 10, 12, 14, 18 and 24 hours

Blood samples were collected for PK analysis of Albendazole and albendazole sulfoxide. PK parameter was determined using standard non-compartmental methods.

Albendazole
GroupValue95% CI
Albendazole IP 400 mg/ 400 mg - Test 1 (T1)0.133± 57.6
Albendazole IP 400 mg/ 400mg - Test 2 (T2)0.125± 61.8
Albendazole 400 mg/ IP 400mg - Reference 1 (R1)0.136± 60.8
Albendazole 400 mg/ IP 400mg - Reference 2 (R2)0.123± 43.8
Albendazole sulfoxide
GroupValue95% CI
Albendazole IP 400 mg/ 400 mg - Test 1 (T1)0.082± 29.3
Albendazole IP 400 mg/ 400mg - Test 2 (T2)0.085± 40.7
Albendazole 400 mg/ IP 400mg - Reference 1 (R1)0.084± 33.0
Albendazole 400 mg/ IP 400mg - Reference 2 (R2)0.086± 38.9
Observed Percentage of Extrapolated Area Under Concentration (AUC_% Extrap_obs) for Albendazole and Albendazole Sulfoxide Secondary · Pre-dose, 0.33, 0.67, 1, 1.33, 1.67, 2, 2.33, 2.67, 3, 3.33, 3.67, 4, 4.50, 5, 6, 8, 10, 12, 14, 18 and 24 hours

Blood samples were collected for PK analysis of Albendazole and albendazole sulfoxide. PK parameter was determined using standard non-compartmental methods.

Albendazole
GroupValue95% CI
Albendazole IP 400 mg / 400mg- Test 1 (T1)3.304± 111.2
Albendazole IP 400 mg/ 400mg - Test 2 (T2)3.241± 99.0
Albendazole 400 mg/ IP 400mg - Reference 1 (R1)3.763± 112.6
Albendazole 400 mg/ IP 400mg - Reference 2 (R2)3.275± 90.6
Albendazole sulfoxide
GroupValue95% CI
Albendazole IP 400 mg / 400mg- Test 1 (T1)14.513± 47.9
Albendazole IP 400 mg/ 400mg - Test 2 (T2)13.726± 45.7
Albendazole 400 mg/ IP 400mg - Reference 1 (R1)13.795± 45.1
Albendazole 400 mg/ IP 400mg - Reference 2 (R2)13.243± 50.8
Number of Participants With Treatment Emergent Adverse Events (TEAEs) Secondary · Up to 22 days

A TEAE is any event that was not present prior to the initiation of study treatment or any event already present that worsens in either intensity or frequency following exposure to study treatment.

GroupValue95% CI
Albendazole IP 400mg- Test (T)7
Albendazole 400mg- Reference (R)6
Absolute Values of Vital Signs: Blood Pressure (Diastolic and Systolic) Secondary · At pre-dose (within 60 minutes before the dosing) and at 2, 4, 6, 12 and 24 hours (Hrs) post-dose in each period

Diastolic blood pressure (DBP) and systolic blood pressure (SBP) were collected in sitting position.

DBP - Period 1, Pre-dose
GroupValue95% CI
TRTR76.1± 4.17
RTRT77.1± 4.32
DBP - Period 1, 2 Hrs Post Dose
GroupValue95% CI
TRTR74.8± 3.47
RTRT75.7± 3.50
DBP - Period 1, 4 Hrs Post Dose
GroupValue95% CI
TRTR74.6± 4.41
RTRT75.7± 4.29
DBP - Period 1, 6 Hrs Post Dose
GroupValue95% CI
TRTR73.4± 5.20
RTRT71.4± 3.90
DBP - Period 1, 12 Hrs Post Dose
GroupValue95% CI
TRTR73.9± 5.22
RTRT73.9± 4.70
DBP - Period 1, 24 Hrs Post Dose
GroupValue95% CI
TRTR76.2± 3.71
RTRT75.5± 2.83
DBP - Period 2, Pre-Dose
GroupValue95% CI
TRTR72.9± 3.26
RTRT75.7± 3.38
DBP - Period 2, 2 Hrs Post Dose
GroupValue95% CI
TRTR71.4± 5.55
RTRT71.9± 4.66
Absolute Values of Vital Signs: Respiratory Rate Secondary · At screening, after check-in and before check-out in each period (each period is of 1 day)

Respiratory rate was collected in sitting position.

At Screening
GroupValue95% CI
TRTR15.5± 2.08
RTRT15.8± 2.21
Period 1, after Check-in
GroupValue95% CI
TRTR17.0± 2.13
RTRT16.4± 1.82
Period 1, before Check-out
GroupValue95% CI
TRTR16.5± 2.69
RTRT16.5± 2.33
Period 2, after Check-in
GroupValue95% CI
TRTR17.3± 2.72
RTRT16.8± 2.34
Period 2, before Check-out
GroupValue95% CI
TRTR17.6± 2.41
RTRT16.8± 2.64
Period 3, after Check-in
GroupValue95% CI
TRTR16.9± 2.24
RTRT17.6± 2.50
Period 3, before Check-out
GroupValue95% CI
TRTR17.0± 1.95
RTRT16.3± 2.06
Period 4, after Check-in
GroupValue95% CI
TRTR18.6± 2.20
RTRT18.3± 2.67

Adverse events — posted to ClinicalTrials.gov

Time frame: All cause mortality, non-serious adverse events (Non-SAEs) and serious adverse events (SAEs) were collected through the entire study duration of up to a maximum of 22 days.. Reporting threshold: 0%. Adverse-event reports describe events observed during the trial — not all are caused by the drug.

Albendazole IP 400mg- Test (T)
Serious: 1/67 (1%)
Deaths: 0/67
Albendazole 400mg- Reference (R)
Serious: 0/68 (0%)
Deaths: 0/68

Serious adverse events (1 terms)

ReactionSystemAlbendazole IP 400mg- Test…Albendazole 400mg- Referen…
AppendicitisInfections and infestations
Other adverse events (11 terms — click to expand)

ReactionSystemAlbendazole IP 400mg- Test…Albendazole 400mg- Referen…
PyrexiaGeneral disorders
PainGeneral disorders
NasopharyngitisInfections and infestations
Blood bilirubin increasedInvestigations
AstheniaGeneral disorders
InjuryInjury, poisoning and procedural complications
Alanine aminotransferase increasedInvestigations
Aspartate aminotransferase increasedInvestigations
Platelet count decreasedInvestigations
Transaminases increasedInvestigations
Erythema multiformeSkin and subcutaneous tissue disorders

Most-reported serious reactions: Appendicitis.

Data from ClinicalTrials.gov NCT06201559 adverse events section.

Sponsor's own description

The goal of this study is to compare two formulations of Albendazole of the same dose in healthy adult participants. Researchers will compare the extent and rate to which the drug is absorbed.

Publications & conference data

No peer-reviewed publications indexed yet for this trial. Completed trials usually publish results within 12-18 months.

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Data sources for this page

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Primary sources · FDA · ClinicalTrials.gov · EMA · SEC EDGAR · ChEMBL · Wikidata · full sourcing