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Study details
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REGN5668 Trial for Ovarian Cancer

Regeneron Pharmaceuticals
NCT IDNCT04590326ClinicalTrials.gov data as of Apr 2026
Phase

Phase 1/2

Target enrollment

612

Study length

about 7 years

Ages

18+

Sex

Female only

Locations

13 sites in CA, FL, IL +6

What this study is about

Researchers are testing REGN5668, either alone or with other medications, to see if it's safe and effective in treating ovarian cancer. The trial will also investigate side effects and how the drugs work within the body. Participants are adult women with ovarian cancer.

Simplified from trial records by PatientMatch.

What you may be asked to do

  • 1.Take Cemiplimab
  • 2.Take Cemiplimab + Fianlimab [Fixed Dose Combination (FDC)]
  • 3.Take REGN5668
  • +2 more

Participation Burden

What's physically and logistically required of participants.

Logistics & Travel
In-person visits

Requires travel to a study site

Physical Intervention
Standard

How treatment is administered

Treatment Assignment
All receive treatment

Everyone gets the investigational treatment.

Extracted study details

Pulled from the trial record to show what is being tested and what the study is measuring.

Drug classes

cemiplimab, sarilumab, monoclonal antibody

Endpoints

Primary: Incidence of Dose Limiting Toxicities (DLT), Incidence of Serious Adverse Events (SAEs), Incidence of Treatment-Emergent Adverse Events (TEAEs), Incidence of laboratory abnormalities (Grade 3 or higher per National Cancer Institute Common Terminology Criteria for Adverse Events [NCI-CTCAE] version 5.0 [v5.0]), Objective Response Rate (ORR) defined by Response Evaluation Criteria in Solid Tumors (RECIST) 1.1 (Eisenhauer, 2009) of REGN5668 in combination with cemiplimab, cemiplimab + fianlimab, or ubamatamab (separately by cohort and combination)

Secondary: Best Overall Response (BOR) based on RECIST 1.1, Cancer Antigen 125 (CA-125) change from baseline after treatment with REGN5668 in combinations with cemiplimab, cemiplimab + fianlimab, or ubamatamab (separately by cohort and combination), Disease Control Rate (DCR) based on RECIST 1.1, Duration Of Response (DOR) based on RECIST 1.1, ORR based on RECIST 1.1, Progression-Free Survival (PFS) based on RECIST 1.1

Body systems

Oncology