Study of Valemetostat Tosylate as a Single Agent in Patients With Relapse/Refractory B-cell Lymphoma

NCT04842877 · Status: ACTIVE_NOT_RECRUITING · Phase: PHASE2 · Type: INTERVENTIONAL · Enrollment: 141

Last updated 2026-02-19

No results posted yet for this study

Summary

This is a multicenter, prospective, single arm, non-randomized, open-label, phase 2 clinical study to evaluate safety and efficacy of valemetostat tosylate (DS-3201b) in patients with relapsed or refractory B cell lymphoma with 6 cohorts of patients including 2 biology-driven cohorts. Up to 141 patients will be enrolled in 6 different cohorts (40 patients with aggressive B-cell lymphoma, 41 with follicular lymphoma (FL), 20 with Mantle Cell Lymphoma (MCL) and 20 with other indolent lymphomas, and 20 patients with Hodgkin lymphoma (HL)). FL patients with EZH2 mutant (gain of function mutations) will be enrolled in the cohort 2bis. At least 8 aggressive B-cell lymphoma patients with EZH2 mutant will be enrolled in the cohort 1. The primary endpoint is the overall response rate (ORR) determined by investigator assessment.

Conditions

  • Lymphoma, B-Cell

Interventions

DRUG

Valemetostat tosylate

200mg QD continuously until disease progression, consent withdrawal, unacceptable drug-related toxicity, lost to follow-up, major protocol deviation, pregnancy, termination by sponsor or death, whichever occurs first.

Sponsors & Collaborators

  • Daiichi Sankyo

    collaborator INDUSTRY
  • The Lymphoma Academic Research Organisation

    lead OTHER

Principal Investigators

  • Franck Morschhauser, PhD · Lymphoma Study Association

  • Emmanuel Bachy, PhD · Lymphoma Study Association

Study Design

Allocation
NA
Purpose
TREATMENT
Masking
NONE
Model
SINGLE_GROUP

Eligibility

Min Age
18 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2021-06-11
Primary Completion
2024-12-03
Completion
2026-10-31

Countries

  • Belgium
  • France

Study Locations

More Related Trials

Entities

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT04842877 on ClinicalTrials.gov