A Phase 3 interventional study of Avelumab and Utomilumab in Diffuse Large B-Cell Lymphoma, sponsored by Pfizer. Terminated at 30 sites in 8 countries. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2020-12-17.
Sponsored by Pfizer · Phase 3, Interventional, and Treatment
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).
The target study population of this Phase 1b/3 registrational study is patients with R/R DLBCL who have completed at least 2 (but not more than 4) lines of prior rituximab-containing multi-agent chemotherapy, and/or in whom autologous stem cell transplant (ASCT) has failed, or who are not candidates for ASCT or who are not eligible for intensive chemotherapy. Patients who are ineligible for intensive second line chemotherapy must have received at least one prior rituximab-containing combination chemotherapy regimen. The study will assess the safety, efficacy, pharmacokinetics (PK), immunogenicity of the 3 avelumab-based combination regimens tested, and collect patient reported outcome (PRO) data.
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Key Inclusion Criteria:
-Any of the following as defined by the WHO, 2016 lymphoid neoplasm classifications and histologically confirmed:
Relapsed or refractory disease following at least 2 lines (and a maximum of 4 lines) of prior rituximab containing multi-agent chemotherapy which may include an autologous stem cell transplantation unless patients are not considered suitable for intensive second-line chemotherapy or autologous stem cell transplantation. Patients who are ineligible for intensive second line chemotherapy,must have received at least one prior rituximab-containing combination chemotherapy regimen. Patients who are ineligible for intensive second line chemotherapy, must have received at least one prior rituximab-containing combination chemotherapy regimen.
Key Exclusion Criteria:
avelumab/utomilumab/rituximab
Biological: Avelumab · Biological: Utomilumab · Biological: Rituximab
avelumab/utomilumab/azacitidine
Biological: Avelumab · Biological: Utomilumab · Other: Azacitidine
avelumab/rituximab/bendamustine
Biological: Avelumab · Biological: Rituximab · Drug: Bendamustine
Selected regimen from Phase 1b component which may be i) avelumab/utomilumab/rituximab OR ii) avelumab/rituximab/azacitidine OR iii) avelumab/rituximab/bendamustine
Biological: Avelumab · Biological: Utomilumab · Biological: Rituximab · Other: Azacitidine · Drug: Bendamustine
Investigator's Choice of either rituximab/bendamustine or rituximab/gemcitabine/oxaliplatin
Biological: Rituximab · Drug: Bendamustine · Drug: Gemcitabine · Drug: Oxaliplatin
Investigational fully human anti-PD-L1 monoclonal antibody
Also known as: MSB0010718C
Investigational, fully human IgG2 CD 137/4-1BB agonist
Also known as: PF-05082566
CD20-directed cytolytic antibody
Also known as: Rituxan
Antimetabolite antineoplastic agent and demethylation agent.
Also known as: Vidaza
Alkylating drug
Also known as: Treanda
Nucleoside analogue
Also known as: Gemzar
Platinum-based drug
Also known as: Eloxatin
Number of Participants With Dose Limiting Toxicities (DLT)
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,localized skin reactions/headache that resolves to Grade \<=1;Grade 3 nausea,vomiting/diarrhea resolved to Grade \<=1 in ˂72 hours after initiation of adequate medical management;Grade 3 skin toxicity resolved to Grade \<=1 in ˂7 days;tumor flare;Single laboratory values that are out of normal range,that have no clinical correlate and resolve to Grade \<=1 within 7 days with adequate medical management.
Time frame: Day 1 Cycle 1 up to 4 Weeks
Objective Response Rate (ORR) as Assessed by Investigator Per Lugano Response Classification Criteria
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 dominant lymph nodes, no increase in size of other nodes, liver, or spleen volume, a \>=50% decrease in sum of products of diameters (SPD) of hepatic and splenic nodules, absence of other organ involvement, and no new sites of disease.
Time frame: 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)
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 4.03
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 ADL; Grade 4:life-threatening consequence, urgent intervention indicated; Grade 5:death related to AE. TEAE was defined as events which occurred during on-treatment period beginning with first dose of study treatment through minimum (30 days + last dose of study treatment or start of new anti-cancer drug therapy). In this outcome measure participant with any TEAE of Grade 3 or above are reported.
Time frame: 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 Laboratory Abnormalities As Per National Cancer Institute Common Toxicity Criteria for Adverse Events (NCI-CTCAE), Version 4.03
Laboratory parameters included hematological and biochemistry: Hematological parameters included: anemia, haemoglobin increased, lymphocyte count decreased, lymphocyte count increased, neutrophil count decreased, platelet count decreased and white blood cells decreased. Biochemistry parameters included alanine aminotransferase increased, alkaline phosphatase increased, aspartate aminotransferase increased, blood bilirubin increased, cholesterol high, creatine kinase(cpk) increased, creatinine increased, gamma glutamyl transferase(ggt) increased, hypercalcemia, hyperglycemia, hyperkalemia, hypermagnesemia, hypernatremia, hypertriglyceridemia, hypoalbuminemia, hypocalcemia, hypoglycemia, hypokalemia, hypomagnesemia, hyponatremia, hypophosphatemia, lipase increased,serum amylase increased.Test abnormalities were graded by NCI CTCAE version 4.03 as Grade 1=mild; Grade 2=moderate; Grade 3/Grade 4=severe/life-threatening. Number of participants with abnormalities of any grade were reported.
Time frame: 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) Abnormalities
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.
Time frame: 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)
Duration of Response (DOR) as Assessed by Investigator Per Lugano Response Classification Criteria
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 in SPD of hepatic splenic nodules,absence of other organ involvement,no new sites of disease. PD: appearance of new lesion more than 1.5 cm in any axis,at least a 50% increase from nadir in SPD/longest diameter of previous lesion/node. Data was censored on date of last adequate tumor assessment in participants with no event,started new anti-cancer therapy/had 2 or more missing assessments.
Time frame: 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)
Time to Tumor Response (TTR) as Assessed by Investigator Per Lugano Response Classification Criteria
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, or spleen volume, a \>=50% decrease in SPD of hepatic and splenic nodules, absence of other organ involvement, and no new sites of disease.
Time frame: From the date of randomization to the first documentation of objective response (CR or PR) (maximum up to 36 months)
Disease Control Rate as Assessed by the Investigator Per Lugano Response Classification Criteria
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 \>=50% decrease in SPD of hepatic and splenic nodules, absence of other organ involvement, and no new sites of disease. SD: \<50% decrease in SDP of up to 6 dominant, measurable nodes and extranodal sites; no criteria for progressive disease met. To qualify as a best overall response of SD, at least one SD assessment must be observed \>=6 weeks after start date and before disease progression.
Time frame: 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)
Progression-Free Survival (PFS) as Assessed by the Investigator Per Lugano Response Classification Criteria
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 randomization unless death occurred on or before the time of the second planned tumor assessment in which case the death was considered as an event.
Time frame: 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)
Overall Survival
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.
Time frame: From the date of randomization to discontinuation from the study or death, whichever occurred first (maximum up to 36 months)
Concentration Verses Time Summary of Avelumab
Time frame: 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
Number of Participants With Anti-Drug Antibodies (ADA) Against Avelumab by Never and Ever Positive Status
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.
Time frame: 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)
Number of Participants With Anti-Drug Antibodies (ADA) Against Rituximab by Never and Ever Positive Status
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.
Time frame: From the date of first study treatment up to 30 Days after the end of treatment (maximum up to 36 months)
Number of Participants With Anti-Drug Antibodies (ADA) Against Utomilumab by Never and Ever Positive Status
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.
Time frame: From the date of first study treatment up to 30 Days after the end of treatment (maximum up to 36 months)
Number of Participants With Neutralizing Antibodies (nAb) Against Avelumab by Never and Ever Positive Status
nAb never-positive was defined as no positive nAb results at any time point and nAb ever-positive was defined as at least one positive nAb result at any time point.
Time frame: From the date of first study treatment up to 30 Days after the end of treatment (maximum up to 36 months)
Number of Participants With Neutralizing Antibodies (nAb) Against Rituximab by Never and Ever Positive Status
nAb never-positive was defined as no positive nAb results at any time point and nAb ever-positive was defined as at least one positive nAb result at any time point.
Time frame: From the date of first study treatment up to 30 Days after the end of treatment (maximum up to 36 months)
Number of Participants With Neutralizing Antibodies (nAb) Against Utomilumab by Never and Ever Positive Status
nAb never-positive was defined as no positive nAb results at any time point and nAb ever-positive was defined as at least one positive nAb result at any time point.
Time frame: From the date of first study treatment up to 30 Days after the end of treatment (maximum up to 36 months)
Programmed Death Receptor-1 Ligand-1 (PD-L1) Biomarker Expression in Tumor and Immune Cells as Assessed by Immunohistochemistry (IHC) at Baseline
Percentage of Tumor and Immune Cells as Assessed by Immunohistochemistry at Baseline.
Time frame: Screening (prior to first dose of study treatment)
Number of Participants With Minimal Residual Disease Burden (MRD) Positive, Negative and Not Evaluable (NE) Status
Number of participants with MRD positive, negative and not evaluable status were reported in this outcome measure.
Time frame: Baseline, Day 1 of Cycle 3, 6, 9, 12 and 18
This study included participants with relapsed or refractory diffuse large B-cell lymphoma (DLBCL) after completion of at least 2 and not more than 4 lines of rituximab-containing multi-agent chemotherapy (prior to this study), and/or in whom autologous stem cell transplant (ASCT) has failed, or who were not candidates for ASCT or who were not eligible for intensive chemotherapy.
| Milestone | Avelumab+Rituximab+Utomilumab | Avelumab+Azacitidine+Utomilumab | Avelumab+Bendamustine+Rituximab |
|---|---|---|---|
| Started | 9 | 9 | 11 |
| Completed | 0 | 0 | 1 |
| Not completed | 9 | 9 | 10 |
| Withdrew: Death | 3 | 8 | 5 |
| Withdrew: Progressive disease | 1 | 0 | 1 |
| Withdrew: Withdrawal by subject | 0 | 0 | 1 |
| Withdrew: Study terminated by sponsor | 0 | 0 | 1 |
| Withdrew: Other | 5 | 1 | 2 |
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,localized skin reactions/headache that resolves to Grade \<=1;Grade 3 nausea,vomiting/diarrhea resolved to Grade \<=1 in ˂72 hours after initiation of adequate medical management;Grade 3 skin toxicity resolved to Grade \<=1 in ˂7 days;tumor flare;Single laboratory values that are out of normal range,that have no clinical correlate and resolve to Grade \<=1 within 7 days with adequate medical management.
| Participants | Avelumab+Rituximab+Utomilumab | Avelumab+Azacitidine+Utomilumab | Avelumab+Bendamustine+Rituximab |
|---|---|---|---|
| Number of Participants With Dose Limiting Toxicities (DLT) | 1 | 0 | 0 |
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 dominant lymph nodes, no increase in size of other nodes, liver, or spleen volume, a \>=50% decrease in sum of products of diameters (SPD) of hepatic and splenic nodules, absence of other organ involvement, and no new sites of disease.
| Percentage of participants | Avelumab+Rituximab+Utomilumab | Avelumab+Azacitidine+Utomilumab | Avelumab+Bendamustine+Rituximab |
|---|---|---|---|
| Objective Response Rate (ORR) as Assessed by Investigator Per Lugano Response Classification Criteria | 11.1 (0.3 to 48.2) | 0 (0.0 to 33.6) | 27.3 (6.0 to 61.0) |
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 ADL; Grade 4:life-threatening consequence, urgent intervention indicated; Grade 5:death related to AE. TEAE was defined as events which occurred during on-treatment period beginning with first dose of study treatment through minimum (30 days + last dose of study treatment or start of new anti-cancer drug therapy). In this outcome measure participant with any TEAE of Grade 3 or above are reported.
| Participants | Avelumab+Rituximab+Utomilumab | Avelumab+Azacitidine+Utomilumab | Avelumab+Bendamustine+Rituximab |
|---|---|---|---|
| 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 4.03 | 4 | 7 | 10 |
Laboratory parameters included hematological and biochemistry: Hematological parameters included: anemia, haemoglobin increased, lymphocyte count decreased, lymphocyte count increased, neutrophil count decreased, platelet count decreased and white blood cells decreased. Biochemistry parameters included alanine aminotransferase increased, alkaline phosphatase increased, aspartate aminotransferase increased, blood bilirubin increased, cholesterol high, creatine kinase(cpk) increased, creatinine increased, gamma glutamyl transferase(ggt) increased, hypercalcemia, hyperglycemia, hyperkalemia, hypermagnesemia, hypernatremia, hypertriglyceridemia, hypoalbuminemia, hypocalcemia, hypoglycemia, hypokalemia, hypomagnesemia, hyponatremia, hypophosphatemia, lipase increased,serum amylase increased.Test abnormalities were graded by NCI CTCAE version 4.03 as Grade 1=mild; Grade 2=moderate; Grade 3/Grade 4=severe/life-threatening. Number of participants with abnormalities of any grade were reported.
| Participants | Avelumab+Rituximab+Utomilumab | Avelumab+Azacitidine+Utomilumab | Avelumab+Bendamustine+Rituximab |
|---|---|---|---|
| Anemia | 6 | 8 | 10 |
| Hemoglobin increased | 0 | 0 | 0 |
| Lymphocyte count decreased | 4 | 7 | 9 |
| Lymphocyte count increased | 0 | 0 | 0 |
| Neutrophil count decreased | 2 | 2 | 9 |
| Platelet count decreased | 4 | 3 | 8 |
| White blood cell decreased | 1 | 4 | 8 |
| Alanine aminotransferase increased | 2 | 5 | 2 |
| Alkaline phosphatase increased | 3 | 4 | 6 |
| Aspartate aminotransferase increased | 3 | 6 | 3 |
| Blood bilirubin increased | 0 | 3 | 3 |
| Cholesterol high | 2 | 3 | 3 |
| Cpk increased | 2 | 1 | 2 |
| Creatinine increased | 6 | 6 | 10 |
| GGT increased | 3 | 4 | 6 |
| Hypercalcemia | 0 | 3 | 2 |
| Hyperglycemia | 3 | 1 | 2 |
| Hyperkalemia | 0 | 0 | 2 |
| Hypermagnesemia | 1 | 1 | 1 |
| Hypernatremia | 0 | 0 | 1 |
| Hypertriglyceridemia | 3 | 3 | 7 |
| Hypoalbuminemia | 3 | 4 | 6 |
| Hypocalcemia | 1 | 0 | 2 |
| Hypoglycemia | 0 | 0 | 1 |
| Hypokalemia | 1 | 1 | 4 |
| Hypomagnesemia | 0 | 0 | 4 |
| Hyponatremia | 0 | 1 | 3 |
| Hypophosphatemia | 1 | 0 | 5 |
| Lipase increased | 1 | 2 | 3 |
| Serum amylase increased | 2 | 1 | 3 |
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.
| Participants | Avelumab+Rituximab+Utomilumab | Avelumab+Azacitidine+Utomilumab | Avelumab+Bendamustine+Rituximab |
|---|---|---|---|
| QT: Increase from baseline >30 ms | 4 | 4 | 4 |
| QT: Increase from baseline >60 ms | 1 | 3 | 2 |
| QT: >450 ms | 2 | 2 | 2 |
| QT: >480 ms | 0 | 1 | 1 |
| QT: >500 ms | 0 | 0 | 0 |
| QTcB: Increase from baseline >30 ms | 1 | 3 | 4 |
| QTcB: Increase from baseline >60 ms | 1 | 1 | 0 |
| QTcB: >450 ms | 4 | 5 | 9 |
| QTcB: >480 ms | 2 | 3 | 4 |
| QTcB: >500 ms | 1 | 2 | 1 |
| QTcF: Increase from baseline >30 ms | 1 | 3 | 3 |
| QTcF: Increase from baseline >60 ms | 0 | 2 | 0 |
| QTcF: >450 ms | 4 | 3 | 6 |
| QTcF: >480 ms | 0 | 2 | 0 |
| QTcF: >500 ms | 0 | 2 | 0 |
| Heart rate: <=50 bpm and decrease from baseline >=20 bpm | 0 | 1 | 0 |
| Heart rate: >=120 bpm and increase from baseline >=20 bpm | 0 | 0 | 1 |
| PR: >=220 ms and increase from baseline >=20 ms | 0 | 0 | 0 |
| QRS: >=120 ms | 1 | 1 | 2 |
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 in SPD of hepatic splenic nodules,absence of other organ involvement,no new sites of disease. PD: appearance of new lesion more than 1.5 cm in any axis,at least a 50% increase from nadir in SPD/longest diameter of previous lesion/node. Data was censored on date of last adequate tumor assessment in participants with no event,started new anti-cancer therapy/had 2 or more missing assessments.
| Months | Avelumab+Rituximab+Utomilumab | Avelumab+Azacitidine+Utomilumab | Avelumab+Bendamustine+Rituximab |
|---|---|---|---|
| Duration of Response (DOR) as Assessed by Investigator Per Lugano Response Classification Criteria | 1.81 (1.81 to 1.81) | — | NA (NA to NA) |
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, or spleen volume, a \>=50% decrease in SPD of hepatic and splenic nodules, absence of other organ involvement, and no new sites of disease.
| Months | Avelumab+Rituximab+Utomilumab | Avelumab+Azacitidine+Utomilumab | Avelumab+Bendamustine+Rituximab |
|---|---|---|---|
| Time to Tumor Response (TTR) as Assessed by Investigator Per Lugano Response Classification Criteria | 1.8 (1.8 to 1.8) | — | 1.9 (1.7 to 2.6) |
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 \>=50% decrease in SPD of hepatic and splenic nodules, absence of other organ involvement, and no new sites of disease. SD: \<50% decrease in SDP of up to 6 dominant, measurable nodes and extranodal sites; no criteria for progressive disease met. To qualify as a best overall response of SD, at least one SD assessment must be observed \>=6 weeks after start date and before disease progression.
| Percentage of participants | Avelumab+Rituximab+Utomilumab | Avelumab+Azacitidine+Utomilumab | Avelumab+Bendamustine+Rituximab |
|---|---|---|---|
| Disease Control Rate as Assessed by the Investigator Per Lugano Response Classification Criteria | 22.2 (2.8 to 60.0) | 0 (0 to 33.6) | 36.4 (10.9 to 69.2) |
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 randomization unless death occurred on or before the time of the second planned tumor assessment in which case the death was considered as an event.
| Months | Avelumab+Rituximab+Utomilumab | Avelumab+Azacitidine+Utomilumab | Avelumab+Bendamustine+Rituximab |
|---|---|---|---|
| Progression-Free Survival (PFS) as Assessed by the Investigator Per Lugano Response Classification Criteria | 1.8 (0.6 to 3.5) | 1.5 (0.3 to 1.8) | 2.7 (1.3 to NA) |
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.
| Months | Avelumab+Rituximab+Utomilumab | Avelumab+Azacitidine+Utomilumab | Avelumab+Bendamustine+Rituximab |
|---|---|---|---|
| Overall Survival | 14.8 (0.9 to NA) | 4.0 (0.3 to 11.3) | 5.2 (1.3 to NA) |
| microgram per milliliter (mcg/mL) | Avelumab+Rituximab+Utomilumab | Avelumab+Azacitidine+Utomilumab | Avelumab+Bendamustine+Rituximab |
|---|---|---|---|
| Cycle 1 Day 2 | 183.29 ± 83.809 | 198.43 ± 29.387 | 193.30 ± 29.702 |
| Cycle 1 Day 8 | 75.14 ± 21.357 | 68.44 ± 18.553 | 65.33 ± 17.913 |
| Cycle 1 Day 16 | 25.33 ± 13.197 | 26.53 ± 9.237 | 19.36 ± 7.810 |
| Cycle 4 Day 1 | 25.00 ± 4.667 | 62.00 ± NA | 120.88 ± 165.187 |
| Cycle 6 Day 1 | — | 7.57 ± NA | 39.43 ± 18.327 |
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.
| Participants | Avelumab+Rituximab+Utomilumab | Avelumab+Azacitidine+Utomilumab | Avelumab+Bendamustine+Rituximab |
|---|---|---|---|
| Baseline: ADA ever-positive | 0 | 0 | 1 |
| Baseline: ADA never-positive | 8 | 9 | 10 |
| Post Baseline: ADA ever-positive | 0 | 0 | 0 |
| Post Baseline: ADA never-positive | 8 | 9 | 11 |
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.
| Participants | Avelumab+Rituximab+Utomilumab | Avelumab+Bendamustine+Rituximab |
|---|---|---|
| ADA ever-positive | 0 | 0 |
| ADA never-positive | 8 | 11 |
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.
| Participants | Avelumab+Rituximab+Utomilumab | Avelumab+Azacitidine+Utomilumab |
|---|---|---|
| ADA ever-positive | 1 | 2 |
| ADA never-positive | 7 | 7 |
nAb never-positive was defined as no positive nAb results at any time point and nAb ever-positive was defined as at least one positive nAb result at any time point.
No measurements were reported for this outcome.
nAb never-positive was defined as no positive nAb results at any time point and nAb ever-positive was defined as at least one positive nAb result at any time point.
No measurements were reported for this outcome.
nAb never-positive was defined as no positive nAb results at any time point and nAb ever-positive was defined as at least one positive nAb result at any time point.
| Participants | Avelumab+Rituximab+Utomilumab | Avelumab+Azacitidine+Utomilumab |
|---|---|---|
| nAb ever-positive | 0 | 0 |
| nAb never-positive | 1 | 2 |
Percentage of Tumor and Immune Cells as Assessed by Immunohistochemistry at Baseline.
| Percentage of cells staining positive | Avelumab+Rituximab+Utomilumab | Avelumab+Azacitidine+Utomilumab | Avelumab+Bendamustine+Rituximab |
|---|---|---|---|
| Tumor Cells (membrane) | 0 (0 to 5) | 0.5 (0.0 to 10.0) | 0 (0 to 30) |
| Immune Cells | 7.5 (0.0 to 30.0) | 7.5 (0.0 to 70.0) | 17.5 (0.0 to 50.0) |
Number of participants with MRD positive, negative and not evaluable status were reported in this outcome measure.
| Participants | Avelumab+Rituximab+Utomilumab | Avelumab+Azacitidine+Utomilumab | Avelumab+Bendamustine+Rituximab |
|---|---|---|---|
| Baseline: Positive | 3 | 1 | 3 |
| Baseline: Negative | 0 | 0 | 2 |
| Baseline: NE | 5 | 8 | 6 |
| Cycle 3 Day 1: Positive | 3 | 1 | 1 |
| Cycle 3 Day 1: Negative | 0 | 0 | 3 |
| Cycle 3 Day 1: NE | 2 | 1 | 1 |
| Cycle 6 Day 1: Positive | 0 | 1 | 0 |
| Cycle 6 Day 1: Negative | 0 | 0 | 2 |
| Cycle 6 Day 1: NE | 0 | 0 | 2 |
| Cycle 9 Day 1: Positive | 0 | 0 | 0 |
| Cycle 9 Day 1: Negative | 0 | 0 | 1 |
| Cycle 9 Day 1: NE | 0 | 0 | 2 |
| Cycle 12 Day 1: Positive | 0 | 0 | 0 |
| Cycle 12 Day 1: Negative | 0 | 0 | 1 |
| Cycle 12 Day 1: NE | 0 | 0 | 2 |
| Cycle 18 Day 1: Positive | 0 | 0 | 0 |
| Cycle 18 Day 1: Negative | 0 | 0 | 0 |
| Cycle 18 Day 1: NE | 0 | 0 | 1 |
Collected over Baseline up to follow up (36 months). Non-serious events are listed at a 5% frequency threshold.
| Group | Deaths | Serious | Other |
|---|---|---|---|
| Avelumab+Rituximab+Utomilumab | 4/8 (50%) | 3/8 (37.5%) | 8/8 (100%) |
| Avelumab+Azacitidine+Utomilumab | 8/9 (88.9%) | 6/9 (66.7%) | 9/9 (100%) |
| Avelumab+Bendamustine+Rituximab | 6/11 (54.5%) | 7/11 (63.6%) | 11/11 (100%) |
| Event | Avelumab+Rituximab+Utomilumab | Avelumab+Azacitidine+Utomilumab | Avelumab+Bendamustine+Rituximab |
|---|---|---|---|
| Disease progressionGeneral disorders | 0/8 | 1/9 | 2/11 |
| DeathGeneral disorders | 1/8 | 0/9 | 0/11 |
| Febrile neutropeniaBlood and lymphatic system disorders | 1/8 | 0/9 | 1/11 |
| Herpes zosterInfections and infestations | 1/8 | 0/9 | 0/11 |
| Ophthalmic herpes zosterInfections and infestations | 1/8 | 0/9 | 0/11 |
| Septic shockInfections and infestations | 1/8 | 0/9 | 0/11 |
| Gastrointestinal haemorrhageGastrointestinal disorders | 1/8 | 0/9 | 0/11 |
| Decreased appetiteMetabolism and nutrition disorders | 0/8 | 1/9 | 0/11 |
| HypercalcaemiaMetabolism and nutrition disorders | 0/8 | 1/9 | 0/11 |
| Non-Hodgkin's lymphomaNeoplasms benign, malignant and unspecified (incl cysts and polyps) | 0/8 | 1/9 | 0/11 |
| Event | Avelumab+Rituximab+Utomilumab | Avelumab+Azacitidine+Utomilumab | Avelumab+Bendamustine+Rituximab |
|---|---|---|---|
| ConstipationGastrointestinal disorders | 1/8 | 5/9 | 4/11 |
| NeutropeniaBlood and lymphatic system disorders | 2/8 | 1/9 | 5/11 |
| ChillsGeneral disorders | 3/8 | 1/9 | 1/11 |
| Decreased appetiteMetabolism and nutrition disorders | 3/8 | 0/9 | 3/11 |
| PyrexiaGeneral disorders | 3/8 | 1/9 | 3/11 |
| AnaemiaBlood and lymphatic system disorders | 2/8 | 2/9 | 4/11 |
| FatigueGeneral disorders | 1/8 | 1/9 | 4/11 |
| NauseaGastrointestinal disorders | 2/8 | 2/9 | 4/11 |
| Back painMusculoskeletal and connective tissue disorders | 2/8 | 3/9 | 0/11 |
| Lymphocyte count decreasedInvestigations | 0/8 | 1/9 | 3/11 |
Full analysis set included all randomized participants.
| Age, Categorical(Participants) | Avelumab+Rituximab+Utomilumab | Avelumab+Azacitidine+Utomilumab | Avelumab+Bendamustine+Rituximab | Total |
|---|---|---|---|---|
| <=18 years | 0 | 0 | 0 | 0 |
| Between 18 and 65 years | 2 | 3 | 5 | 10 |
| >=65 years | 7 | 6 | 6 | 19 |
| Sex: Female, Male(Participants) | Avelumab+Rituximab+Utomilumab | Avelumab+Azacitidine+Utomilumab | Avelumab+Bendamustine+Rituximab | Total |
|---|---|---|---|---|
| Female | 0 | 3 | 2 | 5 |
| Male | 9 | 6 | 9 | 24 |
| Ethnicity (NIH/OMB)(Participants) | Avelumab+Rituximab+Utomilumab | Avelumab+Azacitidine+Utomilumab | Avelumab+Bendamustine+Rituximab | Total |
|---|---|---|---|---|
| Hispanic or Latino | 0 | 1 | 0 | 1 |
| Not Hispanic or Latino | 7 | 8 | 11 | 26 |
| Unknown or Not Reported | 2 | 0 | 0 | 2 |
| Race/Ethnicity, Customized(Participants) | Avelumab+Rituximab+Utomilumab | Avelumab+Azacitidine+Utomilumab | Avelumab+Bendamustine+Rituximab | Total |
|---|---|---|---|---|
| Race: White | 8 | 8 | 11 | 27 |
| Race: Other | 1 | 1 | 0 | 2 |
Documents are hosted by the registry — open the source record to download them.
Plan to share: Yes — Pfizer will provide access to individual de-identified participant data and related study documents (e.g. protocol, Statistical Analysis Plan (SAP), Clinical Study Report (CSR)) upon request from qualified researchers, and subject to certain criteria, conditions, and exceptions. Further details on Pfizer's data sharing criteria and process for requesting access can be found at: https://www.pfizer.com/science/clinical_trials/trial_data_and_results/data_requests.
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