ClinicalTrials.gov record
Active, not recruiting Phase 3 Interventional

A Study to Assess the Efficacy, Safety, Pharmacodynamics, and Pharmacokinetics of Tazemetostat in Combination With Lenalidomide Plus Rituximab Versus Placebo in Combination With Lenalidomide Plus Rituximab in Adult Patients at Least 18 Years of Age With Relapsed/Refractory Follicular Lymphoma.

ClinicalTrials.gov ID: NCT04224493

Public ClinicalTrials.gov record NCT04224493. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced May 4, 2026, 5:07 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

Symphony-1: A Phase 1b/3 Double-Blind, Randomized, Active-Controlled, 3-Stage, Biomarker Adaptive Study Of Tazemetostat Or Placebo In Combination With Lenalidomide Plus Rituximab In Subjects With Relapsed/Refractory Follicular Lymphoma

Study identification

NCT ID
NCT04224493
Recruitment status
Active, not recruiting
Study type
Interventional
Phase
Phase 3
Lead sponsor
Epizyme, Inc.
Industry
Enrollment
555 participants

Conditions and interventions

Interventions

  • Lenalidomide Combination Product
  • Placebo oral tablet Drug
  • Rituximab Combination Product
  • Tazemetostat Drug

Combination Product · Drug

Eligibility (public fields only)

Age range
18 Years and older
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Jun 10, 2020
Primary completion
Feb 12, 2027
Completion
Feb 28, 2029
Last update posted
Apr 19, 2026

2020 – 2029

United States locations

U.S. sites
57
U.S. states
21
U.S. cities
50
Facility City State ZIP Site status
Southern Cancer Center Mobile Alabama 36608
Arizona Oncology Associates - Tuscon-Rusadill Road Tucson Arizona 85704
TOI - Clinical Research Cerritos California 90703
UCSF Fresno Clovis California 93611
UC San Diego Health Sciences La Jolla California 92093
UCLA Clinical Research Unit Hematology/Oncology Santa Monica California 90404
Rocky Mountain Cancer Centers (RMCC) - Boulder Boulder Colorado 80303
St. Mary's Hospital and Regional Medical Center - St. Mary's Grand Junction Colorado 81501
Cancer Specialists of North Florida Fleming Island Florida 32003
Florida Cancer Specialists & Research Institute (FCS) - Fort Myers Cancer Center Fort Myers Florida 33908
Mayo Clinic Jacksonville Florida 32224
Florida Cancer Affiliates/Ocala Oncology - Clinic Ocala Florida 34474
BRCR Medical Center, INC Plantation Florida 33322
Florida Cancer Specialists St. Petersburg Florida 33705
Florida Cancer Specialists - Panhandle Tallahassee Florida 32308
H Lee Moffitt Cancer Center and Research Institute I Tampa Florida 33612
Florida Cancer Specialists & Research Institute (FCS) - Atlantis West Palm Beach Florida 33401
University of Chicago Chicago Illinois 60637
Illinois Cancer Specialists Niles Illinois 60714
University of Michigan Comprehensive Cancer Center Ann Arbor Michigan 48109
St. Joseph Mercy Hospital Ypsilanti Michigan 48197
Mayo Clinic - Rochester Rochester Minnesota 55901
University Of Nebraska Medical Center Omaha Nebraska 68198
Astera Cancer Care East Brunswick New Jersey 08816
Astera Cancer Center East Brunswick New Jersey 08816
Regional Cancer Care Associates-Freehold Freehold New Jersey 07728
Regional Cancer Care Associates LLC - Little Silver Little Silver New Jersey 07739
New Mexico Cancer Care Alliance Albuquerque New Mexico 87131-0001
Weill Cornell Medicine-New York Presbyterian Hospital New York New York 10021
Columbia U - Herbert Irving Comprehensive Cancer Center New York New York 10032
Memorial Sloan-Kettering Cancer Center New York New York 10065
Hematology Oncology Associates of Rockland, P.C. Nyack New York 10960
Messino Cancer Center Asheville North Carolina 28806
Levine Cancer Institute - Concord Concord North Carolina 28205
FirstHealth of the Carolinas Pinehurst North Carolina 28374
Regional Medical Oncology Center Wilson North Carolina 27895
Gabrail Cancer Center Research Canton Ohio 44718
Oncology Hematology Care (OHC), Inc. - Kenwood Office Cincinnati Ohio 45236
Willamette Valley Cancer Institute and Research Center - Oncology Eugene Oregon 97401
Western Pennsylvania Hospital Hematology & Cellular Therapy Pittsburgh Pennsylvania 15524
Sarah Cannon Research Institute Nashville Tennessee 37203
Texas Oncology - Amarillo Amarillo Texas 79124
Texas Oncology-Austin Midtown Austin Texas 78705
Texas Oncology - Medical City Dallas Pediatric Hematology Dallas Texas 75230
Texas Oncology-Baylor Charles A. Sammons Cancer Center Dallas Texas 75246
The University of Texas MD Anderson Cancer Center Houston Texas 77030
Millennium Physicians - Oncology Houston Texas 77090
Texas Oncology Plano Texas 75075
Mays Cancer Center San Antonio Texas 78229
UT Health East Texas HOPE Cancer Center - Tyler Tyler Texas 75701
USO Texas Oncology - Tyler Tyler Texas 75702
Texas Oncology- Weslaco Weslaco Texas 78596
Utah Cancer Specialists/ IHO Corp Salt Lake City Utah 84106
Huntsman Cancer Institute; The University of Utah Salt Lake City Utah 84112
Virginia Cancer Specialists Gainesville Virginia 22155
Oncology and Hematology Associates of Southwest Virginia Inc. Roanoke Virginia 24014
Wheeling Hospital Wheeling West Virginia 26003

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 147 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04224493, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Apr 19, 2026 · Synced May 4, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT04224493 live on ClinicalTrials.gov.

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