Epcoritamab treatment for chronic lymphocytic leukemia and Richter syndrome

Correlative Study of Epcoritamab in Chronic Lymphocytic Leukemia and Richter Syndrome

Phase 1 Interventional National Institutes of Health Clinical Center (CC) · NCT06676033

This study is testing if a new treatment called epcoritamab can help people with chronic lymphocytic leukemia and Richter syndrome by looking at how it affects their blood and lymph nodes.

Quick facts

PhasePhase 1
Study typeInterventional
Enrollment30 (estimated)
Ages18 Years to 100 Years
SexAll
SponsorNational Institutes of Health Clinical Center (CC) NIH
Drugs / interventionsepcoritamab, Genmab, immunotherapy
Locations1 site (Bethesda, Maryland)
Trial IDNCT06676033 on ClinicalTrials.gov

What this trial studies

This study investigates the effects of epcoritamab on chronic lymphocytic leukemia (CLL) and Richter syndrome by analyzing lymph node, bone marrow, and blood samples from participants. Patients enrolled in a related trial will undergo various procedures, including biopsies and blood draws, to evaluate the pharmacodynamic effects of the treatment. The study aims to assess how epcoritamab influences the tumor microenvironment and clonal dynamics, with a focus on identifying biomarkers that could enhance treatment efficacy.

Who should consider this trial

Good fit: Ideal candidates are individuals currently undergoing screening for the related GCT3013-03 trial and willing to comply with study procedures.

Not a fit: Patients not enrolled in the GCT3013-03 trial will not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to improved understanding and treatment options for patients with chronic lymphocytic leukemia and Richter syndrome.

How similar studies have performed: Other studies involving T-cell engaging bispecific antibodies have shown promise, indicating potential for success in this approach.

Eligibility criteria

Show full inclusion / exclusion criteria
* INCLUSION CRITERIA:

In order to be eligible to participate in this study, an individual must meet all of the following criteria:

* Must be undergoing screening for GCT3013-03
* Stated willingness to comply with all study procedures and availability for the duration of the study
* Ability of subject to understand and the willingness to sign a written informed consent document.

EXCLUSION CRITERIA:

None

Where this trial is running

Bethesda, Maryland

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Leukemia, Chronic LymphocyticRichter SyndromeEpcoritamab, Pharmacodynamic, Tumor Microenvironment, Clonal Dynamics, Biomarker
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.