Avelumab In Combination Regimens That Include An Immune Agonist, Epigenetic Modulator, CD20 Antagonist and/or Conventional Chemotherapy in Patients With Relapsed or Refractory Diffuse Large B-cell Lymphoma (R/R DLBCL)
TerminatedPhase 3Results postedLast updated 17 December 2020
What this trial tests
Phase 3 trial testing Avelumab in Diffuse Large B-Cell Lymphoma in 29 participants. Terminated before completion.
18 and older, any sex, with Diffuse Large B-Cell 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.
Number of Participants With Dose Limiting Toxicities (DLT)Primary· Day 1 Cycle 1 up to 4 Weeks
AEs occurring in first 4 weeks of treatment,attributable to 1 of study drugs. Hematology:1)Grade 4 neutropenia,2)Grade \>=3 febrile neutropenia with single temperature of \>38.3 degrees Celsius (C)/sustained temperature of \>=38.0 degrees C for more than 1 hour with/without associated sepsis,3)Grade \>=3 neutropenic infection,4)Grade 4 thrombocytopenia/Grade 3 thrombocytopenia with clinically significant bleeding,5)Grade 4 anemia 6)Any grade \>=3 non-hematology toxicity except:transient Grade 3 flu like symptoms/fever controlled with standard medical management;transient Grade 3 fatigue,locali
Group
Value
95% CI
Avelumab+Rituximab+Utomilumab
1
Avelumab+Azacitidine+Utomilumab
0
Avelumab+Bendamustine+Rituximab
0
Objective Response Rate (ORR) as Assessed by Investigator Per Lugano Response Classification CriteriaPrimary· Randomization until date of PD, start of new anticancer therapy, discontinuation from study or death due to any cause, whichever occurred first (maximum up to 36 months)
ORR was defined as percentage of participants with complete response (CR) or partial response (PR), as assessed by investigator per lugano response classification criteria. CR was defined as a score of 1 (no uptake above background), 2 (uptake less than or equal to \[\<=\] mediastinum), or 3 (uptake less than \[\<\] mediastinum but \<=liver) with or without a residual mass on PET 5-point scale (5-PS), for lymph nodes and extralymphatic sites; no new lesions; no evidence of fluorodeoxyglucose (FDG)-avid disease in bone marrow. PR was defined as \>=50% decrease in SPD of up to six of the largest
Group
Value
95% CI
Avelumab+Rituximab+Utomilumab
11.1
0.3 – 48.2
Avelumab+Azacitidine+Utomilumab
0
0.0 – 33.6
Avelumab+Bendamustine+Rituximab
27.3
6.0 – 61.0
Number of Participants With Treatment-Emergent Adverse Events (TEAEs) Greater Than or Equal to (>=) Grade 3, As Per National Cancer Institute Common Terminology Criteria For Adverse Events (NCI-CTCAE), Version 4.03Secondary· From first dose of study treatment up to at least 30 days after the last dose of study treatment or initiation of new anti-cancer therapy (up to 36 months)
AE was any untoward medical occurrence in a participant who received study drug without regard to possibility of causal relationship. As per NCI-CTCAE version 4.03,severity was graded as Grade 1:asymptomatic/mild symptoms,clinical/diagnostic observations only, intervention not indicated; Grade 2:moderate, minimal, local/noninvasive intervention indicated,limiting age-appropriate instrumental activities of daily life (ADL); Grade 3:severe/medically significant but not immediately life-threatening, hospitalization/prolongation of existing hospitalization indicated, disabling, limiting self-care
Group
Value
95% CI
Avelumab+Rituximab+Utomilumab
4
Avelumab+Azacitidine+Utomilumab
7
Avelumab+Bendamustine+Rituximab
10
Number of Participants With Laboratory Abnormalities As Per National Cancer Institute Common Toxicity Criteria for Adverse Events (NCI-CTCAE), Version 4.03Secondary· From first dose of study treatment up to at least 30 days after the last dose of study treatment or initiation of new anti-cancer therapy (up to 36 months)
Number of Participants With Electrocardiogram (ECG) AbnormalitiesSecondary· From first dose of study treatment up to at least 30 days after the last dose of study treatment or initiation of new anti-cancer therapy (up to 36 months)
ECG abnormalities included: 1) QT interval, QT interval corrected using Bazett's formula (QTcB) and QT interval corrected using Fridericia's formula (QTcF): increase from baseline greater than (\>) 30 millisecond (ms) or 60 ms; absolute value \>450 ms, \>480 ms and \>500 ms; 2) heart rate (HR): absolute value \<=50 beats per minute (bpm) and decrease from baseline \>=20 bpm; absolute value \>=120 bpm and increase from baseline \>=20 bpm; 3) PR interval: absolute value \>=220 ms and increase from baseline \>=20 ms; 4) QRS interval: absolute value \>=120 ms.
QT: Increase from baseline >30 ms
Group
Value
95% CI
Avelumab+Rituximab+Utomilumab
4
Avelumab+Azacitidine+Utomilumab
4
Avelumab+Bendamustine+Rituximab
4
QT: Increase from baseline >60 ms
Group
Value
95% CI
Avelumab+Rituximab+Utomilumab
1
Avelumab+Azacitidine+Utomilumab
3
Avelumab+Bendamustine+Rituximab
2
QT: >450 ms
Group
Value
95% CI
Avelumab+Rituximab+Utomilumab
2
Avelumab+Azacitidine+Utomilumab
2
Avelumab+Bendamustine+Rituximab
2
QT: >480 ms
Group
Value
95% CI
Avelumab+Rituximab+Utomilumab
0
Avelumab+Azacitidine+Utomilumab
1
Avelumab+Bendamustine+Rituximab
1
QT: >500 ms
Group
Value
95% CI
Avelumab+Rituximab+Utomilumab
0
Avelumab+Azacitidine+Utomilumab
0
Avelumab+Bendamustine+Rituximab
0
QTcB: Increase from baseline >30 ms
Group
Value
95% CI
Avelumab+Rituximab+Utomilumab
1
Avelumab+Azacitidine+Utomilumab
3
Avelumab+Bendamustine+Rituximab
4
QTcB: Increase from baseline >60 ms
Group
Value
95% CI
Avelumab+Rituximab+Utomilumab
1
Avelumab+Azacitidine+Utomilumab
1
Avelumab+Bendamustine+Rituximab
0
QTcB: >450 ms
Group
Value
95% CI
Avelumab+Rituximab+Utomilumab
4
Avelumab+Azacitidine+Utomilumab
5
Avelumab+Bendamustine+Rituximab
9
Duration of Response (DOR) as Assessed by Investigator Per Lugano Response Classification CriteriaSecondary· First response (CR or PR) to date of PD, start of new anti-cancer therapy, discontinuation from the study, censoring date or death due to any cause, whichever occurred first (maximum up to 36 months)
Investigator assessed DOR: was defined for participants with OR as time from first documentation of OR to time of first documentation of disease progression/death due to any cause, whichever occurred first. CR: score of 1(no uptake above background),2(uptake \<=mediastinum),or 3(uptake \<mediastinum but \<=liver) with or without a residual mass on PET 5-PS,for lymph nodes extralymphatic sites;no new lesions;no evidence of FDG-avid disease in bone marrow. PR: \>=50% decrease in SPD of up to 6 of largest dominant lymph nodes,no increase in size of other nodes,liver,spleen volume,\>=50% decrease
Group
Value
95% CI
Avelumab+Rituximab+Utomilumab
1.81
1.81 – 1.81
Avelumab+Bendamustine+Rituximab
NA
NA – NA
Time to Tumor Response (TTR) as Assessed by Investigator Per Lugano Response Classification CriteriaSecondary· From the date of randomization to the first documentation of objective response (CR or PR) (maximum up to 36 months)
TTR was defined for participants who achieved objective response as time from randomization to first documentation of objective tumor response (CR or PR) that was subsequently confirmed. CR was defined as a score of 1 (no uptake above background), 2 (uptake \<= mediastinum), or 3 (uptake \<mediastinum but \<=liver) with or without a residual mass on PET 5-PS, for lymph nodes and extralymphatic sites; no new lesions; no evidence of FDG-avid disease in bone marrow. PR was defined as \>=50% decrease in SPD of up to six of the largest dominant lymph nodes, no increase in size of other nodes, liver
Group
Value
95% CI
Avelumab+Rituximab+Utomilumab
1.8
1.8 – 1.8
Avelumab+Bendamustine+Rituximab
1.9
1.7 – 2.6
Disease Control Rate as Assessed by the Investigator Per Lugano Response Classification CriteriaSecondary· From the date of randomization to the first documentation of PD, study discontinuation, start of new anti-cancer therapy or death due to any cause, whichever occurred first (maximum up to 36 months)
Disease control rate was defined as percentage of participants with disease control. Disease Control (DC) was defined as the best overall response of CR, PR, or stable disease (SD). CR: score of 1 (no uptake above background), 2 (uptake \<= mediastinum), or 3 (uptake less than \<mediastinum but \<=liver) with or without a residual mass on PET 5-PS, for lymph nodes and extralymphatic sites; no new lesions; no evidence of FDG-avid disease in bone marrow. PR: \>=50% decrease in SPD of up to six of the largest dominant lymph nodes, no increase in size of other nodes, liver, or spleen volume, a \>=
Group
Value
95% CI
Avelumab+Rituximab+Utomilumab
22.2
2.8 – 60.0
Avelumab+Azacitidine+Utomilumab
0
0 – 33.6
Avelumab+Bendamustine+Rituximab
36.4
10.9 – 69.2
Progression-Free Survival (PFS) as Assessed by the Investigator Per Lugano Response Classification CriteriaSecondary· From the date of randomization to progression of disease, study discontinuation, censoring date or death due to any cause, whichever occurred first (up to 36 months)
Investigator assessed PFS was defined as time (in months) from date of randomization to the first documentation of disease progression or death (due to any cause), whichever occurred first. PFS data was censored on the date of the last adequate tumor assessment for participants who had no an event (PD or death), for participants who start a new anti-cancer therapy prior to an event or for participants with an event after 2 or more missing or inadequate post-baseline tumor assessment. Participants without an adequate baseline or post-baseline tumor assessment were censored on the date of random
Group
Value
95% CI
Avelumab+Rituximab+Utomilumab
1.8
0.6 – 3.5
Avelumab+Azacitidine+Utomilumab
1.5
0.3 – 1.8
Avelumab+Bendamustine+Rituximab
2.7
1.3 – NA
Overall SurvivalSecondary· From the date of randomization to discontinuation from the study or death, whichever occurred first (maximum up to 36 months)
Overall survival was defined as the time (in months) from the date of randomization to the date of death due to any cause. Participants last known to be alive were censored at date of last contact. Analysis was performed using Kaplan-Meier method.
Group
Value
95% CI
Avelumab+Rituximab+Utomilumab
14.8
0.9 – NA
Avelumab+Azacitidine+Utomilumab
4.0
0.3 – 11.3
Avelumab+Bendamustine+Rituximab
5.2
1.3 – NA
Concentration Verses Time Summary of AvelumabSecondary· 1 hour Post dose Day 2 Cycle 1, 144 hour Post dose Day 8 of Cycle 1, 0 hour Post dose Day 16 of Cycle 1, Day 1 of Cycle 4 and Cycle 6
Cycle 1 Day 2
Group
Value
95% CI
Avelumab+Rituximab+Utomilumab
183.29
± 83.809
Avelumab+Azacitidine+Utomilumab
198.43
± 29.387
Avelumab+Bendamustine+Rituximab
193.30
± 29.702
Cycle 1 Day 8
Group
Value
95% CI
Avelumab+Rituximab+Utomilumab
75.14
± 21.357
Avelumab+Azacitidine+Utomilumab
68.44
± 18.553
Avelumab+Bendamustine+Rituximab
65.33
± 17.913
Cycle 1 Day 16
Group
Value
95% CI
Avelumab+Rituximab+Utomilumab
25.33
± 13.197
Avelumab+Azacitidine+Utomilumab
26.53
± 9.237
Avelumab+Bendamustine+Rituximab
19.36
± 7.810
Cycle 4 Day 1
Group
Value
95% CI
Avelumab+Rituximab+Utomilumab
25.00
± 4.667
Avelumab+Azacitidine+Utomilumab
62.00
± NA
Avelumab+Bendamustine+Rituximab
120.88
± 165.187
Cycle 6 Day 1
Group
Value
95% CI
Avelumab+Azacitidine+Utomilumab
7.57
± NA
Avelumab+Bendamustine+Rituximab
39.43
± 18.327
Number of Participants With Anti-Drug Antibodies (ADA) Against Avelumab by Never and Ever Positive StatusSecondary· Baseline: 2 hours pre-dose of first dose of avelumab, Post baseline: post first dose up to up to 30 Days after the end of treatment (maximum up to 36 months)
ADA never-positive was defined as no positive ADA results at any time point. ADA ever-positive was defined as at least one positive ADA result at any time point.
Baseline: ADA ever-positive
Group
Value
95% CI
Avelumab+Rituximab+Utomilumab
0
Avelumab+Azacitidine+Utomilumab
0
Avelumab+Bendamustine+Rituximab
1
Baseline: ADA never-positive
Group
Value
95% CI
Avelumab+Rituximab+Utomilumab
8
Avelumab+Azacitidine+Utomilumab
9
Avelumab+Bendamustine+Rituximab
10
Post Baseline: ADA ever-positive
Group
Value
95% CI
Avelumab+Rituximab+Utomilumab
0
Avelumab+Azacitidine+Utomilumab
0
Avelumab+Bendamustine+Rituximab
0
Post Baseline: ADA never-positive
Group
Value
95% CI
Avelumab+Rituximab+Utomilumab
8
Avelumab+Azacitidine+Utomilumab
9
Avelumab+Bendamustine+Rituximab
11
Adverse events — posted to ClinicalTrials.gov
Time frame: Baseline up to follow up (36 months).
Reporting threshold: 5%.
Adverse-event reports describe events observed during the trial — not all are caused by the drug.
Avelumab+Rituximab+Utomilumab
Serious: 3/8 (38%)
Deaths: 4/8
Avelumab+Azacitidine+Utomilumab
Serious: 6/9 (67%)
Deaths: 8/9
Avelumab+Bendamustine+Rituximab
Serious: 7/11 (64%)
Deaths: 6/11
Serious adverse events (25 terms)
Reaction
System
Avelumab+Rituximab+Utomilu…
Avelumab+Azacitidine+Utomi…
Avelumab+Bendamustine+Ritu…
Disease progression
General disorders
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Anaemia
Blood and lymphatic system disorders
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Bronchitis
Infections and infestations
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Death
General disorders
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Decreased appetite
Metabolism and nutrition disorders
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Dyspnoea
Respiratory, thoracic and mediastinal disorders
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Fatigue
General disorders
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Febrile neutropenia
Blood and lymphatic system disorders
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Herpes zoster
Infections and infestations
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Hypercalcaemia
Metabolism and nutrition disorders
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Laryngeal oedema
Respiratory, thoracic and mediastinal disorders
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Non-Hodgkin's lymphoma
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
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Ophthalmic herpes zoster
Infections and infestations
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Pain
General disorders
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Pneumonia
Infections and infestations
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Pyrexia
General disorders
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Respiratory failure
Respiratory, thoracic and mediastinal disorders
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Sepsis
Infections and infestations
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Septic shock
Infections and infestations
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Small intestinal obstruction
Gastrointestinal disorders
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Superior vena cava syndrome
Vascular disorders
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Syncope
Nervous system disorders
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Thrombocytopenia
Blood and lymphatic system disorders
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Urinary tract infection
Infections and infestations
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Gastrointestinal haemorrhage
Gastrointestinal disorders
—
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Other adverse events (132 terms — click to expand)
Study B9991011 is a multi-center, international, randomized, open label, 2 component (Phase 1b followed by Phase 3), parallel-arm study of avelumab in combination with various agents for the treatment of Relapsed/Refractory (R/R) Diffuse Large B-Cell Lymphoma (DLBCL).
Publications & conference data
8 peer-reviewed publications reference this trial (live from Europe PMC):
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· withdrawn
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· recruiting
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Publications: Europe PMC API search by NCT ID, retrieved 10 June 2026
Drug + disease cross-links: matched in real time against Drug Landscape's normalised drug + company + condition tables
Sponsor: as reported to ClinicalTrials.gov by Pfizer
Last refreshed: 17 December 2020
Drug Landscape aggregates and links these public records for informational use only. Always verify against the primary source before clinical or regulatory decisions. Canonical URL: https://druglandscape.com/trial/NCT02951156.