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NCT02611323

A Study of Obinutuzumab, Rituximab, Polatuzumab Vedotin, and Venetoclax in Relapsed or Refractory Follicular Lymphoma (FL) or Diffuse Large B-Cell Lymphoma (DLBCL)

Completed Phase 1, PHASE2 Results posted Last updated 10 October 2023
What this trial tests

Phase 1, PHASE2 trial testing Obinutuzumab in Non-Hodgkin's Lymphoma in 133 participants. Completed in 4 August 2022.

Timeline
9 March 2016
Primary endpoint
4 August 2022
4 August 2022

Quick facts

Lead sponsorHoffmann-La Roche
PhasePhase 1, PHASE2
StatusCompleted
Study typeINTERVENTIONAL
Allocationnon randomized
Designparallel
Maskingnone
Primary purposetreatment
Enrollment133
Start date9 March 2016
Primary completion4 August 2022
Estimated completion4 August 2022
Sites23 locations across Italy, United States, Australia

Drugs / interventions tested

Conditions studied

Sponsor

Hoffmann-La Roche — full company profile →

Who can join

18 and older, any sex, with Non-Hodgkin's Lymphoma. 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.

Percentage of Participants With CR at EOI Determined by an Independent Review Committee (IRC) on the Basis of Positron Emission Tomography (PET) and Computed Tomography (CT) Scans Primary · 6 to 8 weeks after Day 1 of Cycle 6 (up to approximately 23 weeks) (1 cycle=21 days)

CR at EOI was assessed by the IRC according to modified Lugano Response Criteria (MLRC) for Malignant Lymphoma 2014 using PET-CT scan. Per MLRC, CR was defined as complete metabolic response (MR) in lymph nodes and extra lymphatic sites (ELS) with a score of 1, 2, or 3, with or without a residual mass on PET 5-point scale (5-PS), where 1=no uptake above background; 2= uptake ≤mediastinum; 3= uptake \> mediastinum but ≤ liver; 4=uptake moderately \> liver; 5=uptake markedly higher than liver and/or new lesions. No new lesions; no evidence of fluorodeoxyglucose (FDG)-avid disease in bone marrow.

GroupValue95% CI
FL Dose Escalation: 1.8P+800V+1000G10068.77 – 100.00
FL: Dose Expansion: 1.8P+800V+1000G51.237.44 – 64.86
DLBCL Dose Escalation: 1.8P+800V+375R254.64 – 59.97
DLBCL Dose Expansion: 1.8P+800V+375R32.520.41 – 46.63
FL Cohorts: Percentage of Participants With Adverse Events (AEs) and Serious Adverse Events (SAEs) Primary · From study start to 24 months after last dose of study drug (approximately 56 months)

An AE was defined as any untoward medical occurrence in a participant administered a pharmaceutical product and which does not necessarily have to have a causal relationship with the treatment. An AE could therefore be any unfavorable and unintended sign, symptom, or disease temporally associated with the use of a medicinal product, whether or not considered related to the medicinal product. Any new disease or worsening of an existing disease were also considered as AEs. An SAE was defined as any AE that was fatal, life threatening, requires prolonged inpatient hospitalization, resulted in sig

AEs
GroupValue95% CI
FL Dose Escalation: 1.4P+400V+1000G100
FL Dose Escalation: 1.4P+200V+1000G100
FL Dose Escalation: 1.8P+400V+1000G100
FL Dose Escalation: 1.4P+600V+1000G100
FL Dose Escalation: 1.8P+600V+1000G100
FL Dose Escalation: 1.8P+800V+1000G100
FL: Dose Expansion: 1.8P+800V+1000G100
SAEs
GroupValue95% CI
FL Dose Escalation: 1.4P+400V+1000G57.1
FL Dose Escalation: 1.4P+200V+1000G33.3
FL Dose Escalation: 1.8P+400V+1000G33.3
FL Dose Escalation: 1.4P+600V+1000G0
FL Dose Escalation: 1.8P+600V+1000G22.2
FL Dose Escalation: 1.8P+800V+1000G75.0
FL: Dose Expansion: 1.8P+800V+1000G34.1
DLBCL Cohorts: Percentage of Participants With AEs and SAEs Primary · From study start to 3 months after last dose of study drug (approximately 21 months)

An AE was defined as any untoward medical occurrence in a participant administered a pharmaceutical product and which does not necessarily have to have a causal relationship with the treatment. An AE could therefore be any unfavorable and unintended sign, symptom, or disease temporally associated with the use of a medicinal product, whether or not considered related to the medicinal product. Any new disease or worsening of an existing disease were also considered as AEs. An SAE was defined as any AE that was fatal, life threatening, requires prolonged inpatient hospitalization, resulted in sig

AEs
GroupValue95% CI
DLBCL: Dose Escalation: 1.8P+400V+375R100
DLBCL Dose Escalation: 1.8P+600V+375R100
DLBCL Dose Escalation: 1.8P+800V+375R87.5
DLBCL Dose Expansion: 1.8P+800V+375R97.5
SAEs
GroupValue95% CI
DLBCL: Dose Escalation: 1.8P+400V+375R100
DLBCL Dose Escalation: 1.8P+600V+375R66.7
DLBCL Dose Escalation: 1.8P+800V+375R25.0
DLBCL Dose Expansion: 1.8P+800V+375R30.0
Number of Participants With Dose-Limiting Toxicities (DLTs) Primary · Day 1 of Cycle 1 to Day 1 of Cycle 2 (1 cycle=21 days) in dose-escalation phase

DLT=any one of the events that occurred in first treatment cycle \& per the investigator was related to study treatment. Any AE that lead to a delay of \> 14 days in start of next treatment cycle; Any Grade 3/4 non-hematologic AE with few exceptions; Any increase in hepatic transaminase \>3×baseline(BL) \& increase in direct bilirubin \>2×upper limit of normal (ULN), without any findings of cholestasis/jaundice/signs of hepatic dysfunction \& in absence of other contributory factors; Grade1 alanine transaminase (ALT)/aspartate transaminase (AST) elevation at BL as result of liver metastases, o

GroupValue95% CI
FL Dose Escalation: 1.4P+400V+1000G1
FL Dose Escalation: 1.4P+200V+1000G0
FL Dose Escalation: 1.8P+400V+1000G0
FL Dose Escalation: 1.4P+600V+1000G0
FL Dose Escalation: 1.8P+600V+1000G2
FL Dose Escalation: 1.8P+800V+1000G1
DLBCL: Dose Escalation: 1.8P+400V+375R0
DLBCL Dose Escalation: 1.8P+600V+375R1
DLBCL Dose Escalation: 1.8P+800V+375R0
RP2D of Polatuzumab Vedotin Primary · Day 1 of Cycle 1 to Day 1 of Cycle 2 (1 cycle=21 days) in dose-escalation phase

RP2D was defined as the highest dose with acceptable toxicity as determined from dose-escalation phase. The RP2D of polatuzumab vedotin when given in combination with fixed dose of obinutuzumab in participants with FL was determined.

GroupValue95% CI
All FL Participants: Dose Escalation1.8
RP2D of Venetoclax Primary · Day 1 of Cycle 1 to Day 1 of Cycle 2 (1 cycle=21 days) in dose-escalation phase

RP2D was defined as the highest dose with acceptable toxicity as determined from dose-escalation phase. The RP2D of venetoclax when given in combination with fixed dose of polatuzumab vedotin in participants with FL and DLBCL was determined.

GroupValue95% CI
All FL Participants: Dose Escalation800
All DLBCL Participants: Dose Escalation800
Percentage of Participants With CR at EOI, Determined by the Investigator on the Basis of PET-CT Scans Secondary · 6 to 8 weeks after Day 1 of Cycle 6 (up to approximately 23 weeks) (1 cycle=21days)

CR at EOI was assessed by Investigator according to MLRC. Per MLRC, CR based on PET-CT was defined as complete MR in lymph nodes and ELS with a score of 1, 2, or 3 with or without residual mass, on 5PS where 1=no uptake above background; 2=uptake ≤ mediastinum; 3=uptake \> mediastinum but ≤ liver; 4=uptake moderately \> liver; 5=uptake markedly higher than liver and/or new lesions; no evidence of FDG-avid disease in bone marrow. 90% CI for percentage of responders was calculated using Clopper-Pearson method. Percentages have been rounded off to the first decimal point.

GroupValue95% CI
FL Dose Escalation: 1.8P+800V+1000G10068.77 – 100.00
FL: Dose Expansion: 1.8P+800V+1000G51.237.44 – 64.86
DLBCL Dose Escalation: 1.8P+800V+375R25.04.64 – 59.97
DLBCL Dose Expansion: 1.8P+800V+375R32.520.41 – 46.63
Percentage of Participants With CR at EOI, Determined by the IRC on the Basis of CT Scans Alone Secondary · 6 to 8 weeks after Day 1 of Cycle 6 (up to approximately 23 weeks) (1 cycle=21days)

CR at EOI was determined by IRC according to the MLRC. Per MLRC, CR based on CT was defined as complete radiologic response in lymph nodes and ELS with target nodes/nodal masses regressing to ≤ 1.5 centimeters (cm) in longest transverse diameter (LDi) and no ELS of disease; organ enlargement regressing to normal; no new lesions; normal bone marrow by morphology, if indeterminate, immunohistochemistry (IHC) negative. 90% CI for percentage of responders was calculated using Clopper-Pearson method. Percentages have been rounded off to the first decimal point.

GroupValue95% CI
FL Dose Escalation: 1.8P+800V+1000G62.528.92 – 88.89
FL: Dose Expansion: 1.8P+800V+1000G36.624.08 – 50.61
DLBCL Dose Escalation: 1.8P+800V+375R16.70.85 – 58.18
DLBCL Dose Expansion: 1.8P+800V+375R26.514.56 – 41.65
Percentage of Participants With CR at EOI, Determined by the Investigator on the Basis of CT Scans Alone Secondary · 6 to 8 weeks after Day 1 of Cycle 6 (up to approximately 23 weeks) (1 cycle=21days)

CR at EOI was determined by Investigator according to the MLRC. Per MLRC, CR based on CT was defined as complete radiologic response in lymph nodes and ELS with target nodes/nodal masses regressing to ≤ 1.5 cm in LDi and no ELS of disease; organ enlargement regressing to normal; no new lesions; normal bone marrow by morphology, if indeterminate, IHC negative. 90% CI for percentage of responders was calculated using Clopper-Pearson method.

GroupValue95% CI
FL Dose Escalation: 1.8P+800V+1000G75.040.03 – 95.36
FL: Dose Expansion: 1.8P+800V+1000G29.317.84 – 43.07
DLBCL Dose Escalation: 1.8P+800V+375R25.04.64 – 59.97
DLBCL Dose Expansion: 1.8P+800V+375R22.512.27 – 35.98
Percentage of Participants With Objective Response (OR) at EOI, Determined by an IRC on the Basis of PET and CT Scans Secondary · 6 to 8 weeks after Day 1 of Cycle 6 (up to approximately 23 weeks) (1 cycle=21days)

OR=percentage of participants with CR or PR as assessed by the IRC according to MLRC. Per MLRC CR based on PET-CT=complete MR in lymph nodes \& ELS with score of 1, 2, or 3 with or without residual mass on 5PS, where 1=no uptake above background; 2=uptake ≤ mediastinum; 3=uptake\> mediastinum but ≤ liver; 4=uptake moderately \> liver; 5=uptake markedly higher than liver and/or new lesions; no new lesions \& no evidence of FDG-avid disease in bone marrow. PR based on PET-CT=partial MR in lymph nodes \& ELS with score of 4 or 5 with reduced uptake compared with baseline \& residual masses of any

GroupValue95% CI
FL Dose Escalation: 1.8P+800V+1000G100.068.77 – 100.00
FL: Dose Expansion: 1.8P+800V+1000G70.756.93 – 82.16
DLBCL Dose Escalation: 1.8P+800V+375R25.04.64 – 59.97
DLBCL Dose Expansion: 1.8P+800V+375R37.524.73 – 51.72
Percentage of Participants With OR at EOI, Determined by the Investigator on the Basis of PET and CT Scans Secondary · 6 to 8 weeks after Day 1 of Cycle 6 (up to approximately 23 weeks) (1 cycle=21days)

OR=percentage of participants with CR or PR as assessed by the IRC according to MLRC. Per MLRC CR based on PET-CT=complete MR in lymph nodes \& ELS with score of 1, 2, or 3 with or without residual mass on 5PS, where 1=no uptake above background; 2=uptake ≤ mediastinum; 3=uptake\> mediastinum but ≤ liver; 4=uptake moderately \> liver; 5=uptake markedly higher than liver and/or new lesions;no new lesions \& no evidence of FDG-avid disease in bone marrow. PR based on PET-CT=partial MR in lymph nodes \& ELS with score of 4 or 5 with reduced uptake compared with baseline \& residual masses of any

GroupValue95% CI
FL Dose Escalation: 1.8P+800V+1000G100.068.77 – 100.00
FL: Dose Expansion: 1.8P+800V+1000G75.662.15 – 86.13
DLBCL Dose Escalation: 1.8P+800V+375R37.511.11 – 71.08
DLBCL Dose Expansion: 1.8P+800V+375R42.529.18 – 56.69
Percentage of Participants With OR at EOI, Determined by an IRC on the Basis of CT Scans Alone Secondary · 6 to 8 weeks after Day 1 of Cycle 6 (up to approximately 23 weeks) (1 cycle=21days)

OR was defined as the percentage of participants with CR or PR, as assessed by the IRC based on MLRC. Per MLRC, CR based on CT was defined as complete radiologic response in lymph nodes and ELS with target nodes/nodal masses regressing to ≤ 1.5 cm in LDi and no ELS of disease; organ enlargement regressing to normal; no new lesions; bone marrow normal by morphology, if indeterminate, IHC negative. PR per CT only was defined as partial remission in lymph nodes and ELS with ≥50% decrease in the sum of the products of greatest diameters (SPD) of up to 6 target measurable lymph nodes and extranodal

GroupValue95% CI
FL Dose Escalation: 1.8P+800V+1000G87.552.93 – 99.36
FL: Dose Expansion: 1.8P+800V+1000G82.970.31 – 91.70
DLBCL Dose Escalation: 1.8P+800V+375R25.04.64 – 59.97
DLBCL Dose Expansion: 1.8P+800V+375R37.524.73 – 51.72

Adverse events — posted to ClinicalTrials.gov

Time frame: FL cohorts: From study start to 24 months after last dose of study drug (approximately 56 months); DLBCL cohorts: From study start to 3 months after last dose of study drug (approximately 21 months). Reporting threshold: 5%. Adverse-event reports describe events observed during the trial — not all are caused by the drug.

FL Dose Escalation: 1.4P+400V+1000G
Serious: 4/7 (57%)
Deaths: 3/7
FL Dose Escalation: 1.4P+200V+1000G
Serious: 1/3 (33%)
Deaths: 1/3
FL Dose Escalation: 1.8P+400V+1000G
Serious: 1/3 (33%)
Deaths: 0/3
FL Dose Escalation: 1.4P+600V+1000G
Serious: 0/3 (0%)
Deaths: 0/3
FL Dose Escalation: 1.8P+600V+1000G
Serious: 2/9 (22%)
Deaths: 1/9
FL Dose Escalation: 1.8P+800V+1000G
Serious: 6/8 (75%)
Deaths: 1/8
FL: Dose Expansion: 1.8P+800V+1000G
Serious: 14/41 (34%)
Deaths: 8/41
DLBCL: Dose Escalation: 1.8P+400V+375R
Serious: 3/3 (100%)
Deaths: 0/3
DLBCL Dose Escalation: 1.8P+600V+375R
Serious: 4/6 (67%)
Deaths: 4/6
DLBCL Dose Escalation: 1.8P+800V+375R
Serious: 2/8 (25%)
Deaths: 6/8
DLBCL Dose Expansion: 1.8P+800V+375R
Serious: 12/40 (30%)
Deaths: 26/40

Serious adverse events (63 terms)

ReactionSystemFL Dose Escalation: 1.4P+4…FL Dose Escalation: 1.4P+2…FL Dose Escalation: 1.8P+4…FL Dose Escalation: 1.4P+6…FL Dose Escalation: 1.8P+6…FL Dose Escalation: 1.8P+8…FL: Dose Expansion: 1.8P+8…DLBCL: Dose Escalation: 1.…DLBCL Dose Escalation: 1.8…DLBCL Dose Escalation: 1.8…DLBCL Dose Expansion: 1.8P…
FEBRILE NEUTROPENIABlood and lymphatic system disorders
PNEUMONIAInfections and infestations
PYREXIAGeneral disorders
COVID-19 PNEUMONIAInfections and infestations
INFUSION RELATED REACTIONInjury, poisoning and procedural complications
ANAEMIABlood and lymphatic system disorders
NEUTROPENIABlood and lymphatic system disorders
THROMBOCYTOPENIABlood and lymphatic system disorders
ATRIAL FIBRILLATIONCardiac disorders
CARDIAC FAILURECardiac disorders
CARDIAC FAILURE CONGESTIVECardiac disorders
CARDIOMYOPATHYCardiac disorders
CORONARY ARTERY DISEASECardiac disorders
RETINAL DETACHMENTEye disorders
RETINAL TEAREye disorders
ABDOMINAL PAIN UPPERGastrointestinal disorders
CONSTIPATIONGastrointestinal disorders
DIARRHOEAGastrointestinal disorders
NAUSEAGastrointestinal disorders
SMALL INTESTINAL OBSTRUCTIONGastrointestinal disorders
VOMITINGGastrointestinal disorders
ADVERSE DRUG REACTIONGeneral disorders
MUCOSAL INFLAMMATIONGeneral disorders
LIVER INJURYHepatobiliary disorders
BRONCHITISInfections and infestations
Other adverse events (281 terms — click to expand)

ReactionSystemFL Dose Escalation: 1.4P+4…FL Dose Escalation: 1.4P+2…FL Dose Escalation: 1.8P+4…FL Dose Escalation: 1.4P+6…FL Dose Escalation: 1.8P+6…FL Dose Escalation: 1.8P+8…FL: Dose Expansion: 1.8P+8…DLBCL: Dose Escalation: 1.…DLBCL Dose Escalation: 1.8…DLBCL Dose Escalation: 1.8…DLBCL Dose Expansion: 1.8P…
NAUSEAGastrointestinal disorders
NEUTROPENIABlood and lymphatic system disorders
DIARRHOEAGastrointestinal disorders
FATIGUEGeneral disorders
INFUSION RELATED REACTIONInjury, poisoning and procedural complications
THROMBOCYTOPENIABlood and lymphatic system disorders
VOMITINGGastrointestinal disorders
UPPER RESPIRATORY TRACT INFECTIONInfections and infestations
NEUROPATHY PERIPHERALNervous system disorders
COUGHRespiratory, thoracic and mediastinal disorders
CONSTIPATIONGastrointestinal disorders
BACK PAINMusculoskeletal and connective tissue disorders
HEADACHENervous system disorders
ANAEMIABlood and lymphatic system disorders
WEIGHT DECREASEDInvestigations
ARTHRALGIAMusculoskeletal and connective tissue disorders
DYSPEPSIAGastrointestinal disorders
PYREXIAGeneral disorders
DECREASED APPETITEMetabolism and nutrition disorders
PERIPHERAL SENSORY NEUROPATHYNervous system disorders
INSOMNIAPsychiatric disorders
DYSPNOEARespiratory, thoracic and mediastinal disorders
ABDOMINAL PAINGastrointestinal disorders
INFLUENZA LIKE ILLNESSGeneral disorders
PARAESTHESIANervous system disorders
OROPHARYNGEAL PAINRespiratory, thoracic and mediastinal disorders
OEDEMA PERIPHERALGeneral disorders
PAINGeneral disorders
SINUSITISInfections and infestations
ALANINE AMINOTRANSFERASE INCREASEDInvestigations
HYPERGLYCAEMIAMetabolism and nutrition disorders
HYPOKALAEMIAMetabolism and nutrition disorders
HYPOPHOSPHATAEMIAMetabolism and nutrition disorders
PAIN IN EXTREMITYMusculoskeletal and connective tissue disorders
DIZZINESSNervous system disorders
PRODUCTIVE COUGHRespiratory, thoracic and mediastinal disorders
RASHSkin and subcutaneous tissue disorders
LEUKOPENIABlood and lymphatic system disorders
DRY MOUTHGastrointestinal disorders
CHILLSGeneral disorders

Most-reported serious reactions: FEBRILE NEUTROPENIA, PNEUMONIA, PYREXIA, COVID-19 PNEUMONIA, INFUSION RELATED REACTION, ANAEMIA, NEUTROPENIA, THROMBOCYTOPENIA.

Data from ClinicalTrials.gov NCT02611323 adverse events section.

Sponsor's own description

This study will evaluate the safety, efficacy, and pharmacokinetics of induction treatment with obinutuzumab, polatuzumab vedotin, and venetoclax in participants with relapsed or refractory FL, and with rituximab, polatuzumab vedotin, and venetoclax in participants with DLBCL. Participants with FL who achieve complete response (CR), partial response (PR), or stable disease (SD) at the end of induction therapy will receive post-induction treatment with obinutuzumab and venetoclax, and participants with DLBCL who achieve CR or PR at the end of induction (EOI) will receive post-induction treatment with rituximab and venetoclax.

Publications & conference data

8 peer-reviewed publications reference this trial (live from Europe PMC):

  1. Antibody-Drug Conjugates for Cancer Therapy.
    Hafeez U, Parakh S, Gan HK, Scott AM. · · 2020 · cited 283× · PMID 33081383 · DOI 10.3390/molecules25204764
  2. 2021 Update on Diffuse large B cell lymphoma: A review of current data and potential applications on risk stratification and management.
    Susanibar-Adaniya S, Barta SK. · · 2021 · cited 250× · PMID 33661537 · DOI 10.1002/ajh.26151
  3. Pathways and mechanisms of venetoclax resistance.
    Bose P, Gandhi V, Konopleva M. · · 2017 · cited 223× · PMID 28140720 · DOI 10.1080/10428194.2017.1283032
  4. BCL-2 as therapeutic target for hematological malignancies.
    Perini GF, Ribeiro GN, Pinto Neto JV, Campos LT, et al · · 2018 · cited 153× · PMID 29747654 · DOI 10.1186/s13045-018-0608-2
  5. Polatuzumab Vedotin: First Global Approval.
    Deeks ED. · · 2019 · cited 151× · PMID 31352604 · DOI 10.1007/s40265-019-01175-0
  6. A Review of Obinutuzumab (GA101), a Novel Type II Anti-CD20 Monoclonal Antibody, for the Treatment of Patients with B-Cell Malignancies.
    Tobinai K, Klein C, Oya N, Fingerle-Rowson G. · · 2017 · cited 128× · PMID 28004361 · DOI 10.1007/s12325-016-0451-1
  7. New agents and regimens for diffuse large B cell lymphoma.
    Wang L, Li LR, Young KH. · · 2020 · cited 109× · PMID 33317571 · DOI 10.1186/s13045-020-01011-z
  8. The BCL2 family: from apoptosis mechanisms to new advances in targeted therapy.
    Vogler M, Braun Y, Smith VM, Westhoff MA, et al · · 2025 · cited 104× · PMID 40113751 · DOI 10.1038/s41392-025-02176-0

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