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Study identifier: NCT06469281 Synced from ClinicalTrials.gov · July 28, 2026
● Recruiting

A Study to Learn if 27T51, a Mucin-16 (MUC16) Protein Targeting Immune Cell Therapy, Administered Alone or in Combination is Safe and How Well it Works for Adult Participants With Recurrent or Treatment Resistant Ovarian Cancers

Condition: Epithelial Ovarian Cancer · Primary Peritoneal Carcinoma · Fallopian Tube Cancer  ·  Sponsor: Regeneron Pharmaceuticals

PhasePhase 1
Planned participants90
Who can joinFemale, 18 Years to no upper limit
Healthy volunteersNo

About this study

This study is researching an experimental CAR T cell therapy called 27T51, referred to as study drug. The study drug is a MUC16 targeting immune cell therapy focused on adult female participants with recurrent or difficult to treat epithelial ovarian, primary peritoneal or fallopian tube cancer. This study has two (2) major parts: Phase 1a Dose Escalation and Phase 1b Dose Expansion. The aim of the dose escalation part will be to test the safety of 27T51 in a small number of participants to find the highest dose given to humans without unacceptable side effects. The aim of the dose expansion part will be to test 27T51 at the established dose level(s) from the dose escalation part and may include other medications given in combination with 27T51. Information collected from this study will help researchers understand more fully whether this immune cell therapy, also known as CAR T cell therapy, can be safely used to treat solid tumors such as ovarian cancer.

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

Talk to the study team

Clinical Trials Administrator  ·  844-734-6643  ·  clinicaltrials@regeneron.com

Always discuss trial participation with your own doctor first.

Locations (5)

Massachusetts General HospitalBoston, Massachusetts, United StatesRecruiting
John Theurer Cancer Center Hackensack University Medical CenterHackensack, New Jersey, United StatesRecruiting
Roswell Park Cancer InstituteBuffalo, New York, United StatesRecruiting
UPMC Hillman Cancer CenterPittsburgh, Pennsylvania, United StatesRecruiting
LDS HospitalSalt Lake City, Utah, United StatesRecruiting

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Source record: clinicaltrials.gov/study/NCT06469281