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Study identifier: NCT04623541 Synced from ClinicalTrials.gov · August 06, 2026
● Study status: Active Not Recruiting

Safety and Efficacy Study of Epcoritamab in Subjects With Relapsed/Refractory Chronic Lymphocytic Leukemia and Richter's Syndrome

Condition: Relapsed/Refractory Chronic Lymphocytic Leukemia · Small Lymphocytic Lymphoma · Richter's Syndrome  ·  Sponsor: Genmab

PhasePhase 1/Phase 2
Planned participants194
Who can joinAll sexes, 18 Years to no upper limit
Healthy volunteersNo

About this study

The study is a global, multi-center safety and efficacy trial of epcoritamab, an antibody also known as EPKINLY™ and GEN3013 (DuoBody®-CD3xCD20). Epcoritamab will be tested either in Relapsed/refractory (R/R) chronic lymphocytic leukemia (CLL) as: * Monotherapy, or * Combination therapy: * epcoritamab + venetoclax * epcoritamab + pirtobrutinib In Non-United States (US) Participants Only: Treatment-naïve (TN) high risk (HR) (CLL): • epcoritamab + pirtobrutinib Combination therapy for Richter's Syndrome (RS): * epcoritamab + lenalidomide * epcoritamab + R-CHOP (i.e., rituximab, cyclophosphamide, doxorubicin hydrochloride, vincristine \[Oncovin®\] and prednisone). The study includes participants with R/R or TN HR CLL (non-US participants only)/small lymphocytic lymphoma (SLL) and participants with RS. The trial consists of two parts, a dose-escalation phase (phase Ib) and an expansion phase (phase II). Participants with RS are only included in the expansion phase. Epcoritamab will be injected subcutaneously (under the skin). Standard-of-care and combination treatments (venetoclax, pirtobrutinib, lenalidomide, and R-CHOP) will be given either orally (by mouth) or intravenously (in a vein). Study details include: * Study duration will be up to 5 years after the last participant's first treatment in the trial. * The treatment duration for each participant will be between 12 months (1 year) and 24 months (2 years), depending upon the treatment arm assigned. * The vis…

This description comes directly from the study's public registry record.

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Locations (81)

O'Neal Comprehensive Cancer Center at University of Alabama at BirminghamBirmingham, Alabama, United States
University of California Davis Medical Center SacramentoCalifornia City, California, United States
City of Hope National Medical CenterDuarte, California, United States
Cedars-Sinai Medical CenterLos Angeles, California, United States
David Geffen School of MedicineLos Angeles, California, United States
Stanford Cancer CenterPalo Alto, California, United States
Mount Sinai Comprehensive Cancer CenterMiami Beach, Florida, United States
Memorial Healthcare SystemPembroke Pines, Florida, United States
National Institutes of HealthBethesda, Maryland, United States
Massachusetts General HospitalBoston, Massachusetts, United States
University of Michigan Comprehensive Cancer CenterAnn Arbor, Michigan, United States
Henry Ford Medical GroupDetroit, Michigan, United States

+ 69 more locations — full list on the registry record.

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