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A Study to Learn About the Effects of Cemsidomide in Combination With Elranatamab in Relapsed/Refractory Multiple Myeloma Subjects
Sponsor: C4 Therapeutics, Inc.
Summary
The main purpose of the study is to understand the safety and tolerability of cemsidomide when given along with elranatamab in subjects with relapsed or refractory multiple myeloma. The first part of the study will evaluate different dose levels of cemsidomide in combination with elranatamab in a limited number of subjects. Approximately 3 different dose levels of cemsidomide in combination with elranatamab may be explored. Once a dose level is determined safe, additional subjects may be enrolled through expansion of the dose level. This expansion will provide further exploration of the safety and evaluation of preliminary antimyeloma activity. Cemsidomide will be taken orally each cycle for 14 days on/14 days off (1 cycle=28 days). Elranatamab will be administered by subcutaneous injection twice a month. Dexamethasone will be administered weekly until a confirmed response but no longer than 4 cycles.
Official title: A Phase 1B, Open-label, Multicenter Study to Evaluate the Safety and Preliminary Efficacy of Cemsidomide in Combination With Elranatamab in Relapsed/Refractory Multiple Myeloma Subjects
Key Details
Gender
All
Age Range
18 Years - Any
Study Type
INTERVENTIONAL
Enrollment
60
Start Date
2026-02-06
Completion Date
2029-06
Last Updated
2026-03-05
Healthy Volunteers
No
Conditions
Interventions
Cemsidomide
IKZF1/3 degrader
Elranatamab
• BCMA-CD3 bispecific antibody
Locations (19)
Banner MD Anderson Cancer Center
Gilbert, Arizona, United States
UCLA Health, Jonsson Comprehensive Cancer Center
Santa Monica, California, United States
Tampa General Hospital
Tampa, Florida, United States
Winship Cancer Institute, Emory University
Atlanta, Georgia, United States
Loyola University Medical Center
Maywood, Illinois, United States
Indiana University
Indianapolis, Indiana, United States
Norton Cancer Institute St. Matthews
Louisville, Kentucky, United States
University of Maryland Greenbaum Comprehensive Cancer Center
Baltimore, Maryland, United States
START Midwest
Grand Rapids, Michigan, United States
University of Nebraska
Omaha, Nebraska, United States
Dartmouth-Hitchcock Medical Center
Lebanon, New Hampshire, United States
Perlmutter Cancer Center at NYU Langone Hospital
Brooklyn, New York, United States
Memorial Sloan Kettering Cancer Center
New York, New York, United States
Duke Cancer Center
Durham, North Carolina, United States
Oregon Health & Science University
Portland, Oregon, United States
Houston Methodist Hospital
Houston, Texas, United States
MD Anderson Cancer Center
Houston, Texas, United States
Huntsman Cancer Institute, University of Utah
Salt Lake City, Utah, United States
Medical College of Wisconsin
Milwaukee, Wisconsin, United States