NCT06787612RecruitingPhase 2
Investigation of Ubamatamab Combination Therapy in Adult Participants With Platinum-Resistant Ovarian Cancer
Multi-Arm Phase 2 Platform Study of Ubamatamab (REGN4018; MUC16×CD3 Bispecific Antibody) With or Without Additional Agents in Platinum-Resistant Ovarian Cancer
Source: ClinicalTrials.gov · Last updated 14 Sept 2026
Brief summary (registry, in English)
This study is researching an experimental drug called ubamatamab, also referred to as "study drug". The study is focused on participants who have advanced ovarian cancer. The aim of the study is to see how safe, tolerable, and effective the study drug is on its own and in combination with other anti-cancer drugs (bevacizumab, cemiplimab, fianlimab, REGN10597 and a standard chemotherapy drug, pegylated liposomal doxorubicin \[PLD\]), referred to as "combination drugs'. The study is looking at several other research questions, including: * What side effects may happen from taking the study drug and its experimental combinations * How much study drug and fianlimab is in the blood at different times * Whether the body makes antibodies against the study drug (which could make the drug less effective or could lead to side effects) and its combinations
- Status (registry)
- Recruiting
- Phase (registry)
- Phase 2
- Study type
- Interventional
- Enrollment
- 297 (estimated)
- First submitted
- 16 Jan 2025
- Start date
- 28 May 2025
- Primary completion date
- 30 Jun 2028
- Lead sponsor
- Regeneron Pharmaceuticals
- Diseases
- Ovarian cancer
- NCT number
- NCT06787612
- EU CT number
- 2024-517806-27-00
What you commit to
- Study type: Interventional · Phase 2
- Planned participants: 297
- From 28 May 2025 to the primary completion date, 30 Jun 2028
- 56 sites in 5 countries
- Visits and tests: ask the trial team, the registry does not list them
Built from the registry fields of ClinicalTrials.gov. It describes the study, not your situation.
Who cannot take part
Copied verbatim from ClinicalTrials.gov and grouped by topic. Only the trial team decides who can take part.
Prior treatment
- Major surgical procedure or significant traumatic injury within 4 weeks prior to first dose of study intervention(s)
Other illness
- Documented allergic or acute hypersensitivity reaction attributed to antibody treatments or doxorubicin hydrochloride or components of study intervention(s)
- Another malignancy that is progressing or requires active treatment, as described in the protocol
- Uncontrolled infections including but not limited to human immunodeficiency virus, hepatitis B or hepatitis C infection, or diagnosis of immunodeficiency
Other
- Untreated or active Central Nervous System (CNS) metastases, or carcinomatous meningitis, as described in the protocol
- Moderate to large or ascites, as described in the protocol
- Bowel obstruction within last 3 months or current need for parenteral nutrition
- NOTE: Other protocol-defined inclusion/exclusion criteria apply
Who the study is looking for
- Participants with histologically or cytologically confirmed diagnosis of advanced serous or endometrioid ovarian (regardless of the grade), primary peritoneal, or fallopian tube cancer (clear cell, mucinous, and carcinosarcoma are excluded)
- Must have progression on prior therapy documented radiographically and must have at least 1 measurable lesion (not previously irradiated) that can be accurately measured by RECIST 1.1
- Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1
- Adequate organ and bone marrow function, as described in the protocol
- Platinum-Resistant Ovarian Cancer, as described in the protocol
Age in the registry: 18 years to - · Sex: Female · Does not accept healthy volunteers
Sites (56)
Sites in registry order. Pick your city on the disease page to sort them by distance.
| Site | City | Country | Site status |
|---|---|---|---|
| Centre de Santé et de Services Sociaux de la Montérégie-Centre Coordinator of this site? Confirm its status | Greenfield Park | Canada | Recruiting |
| Research Institute, McGill University Health Centre Coordinator of this site? Confirm its status | Montreal | Canada | Recruiting |
| Jewish General Hospital Coordinator of this site? Confirm its status | Montreal | Canada | Recruiting |
| Centre Hospitalier Universitaire (CHU) de Quebec - Universite Laval Coordinator of this site? Confirm its status | Québec | Canada | Recruiting |
| Princess Margaret Cancer Centre Coordinator of this site? Confirm its status | Toronto | Canada | Recruiting |
| CancerCare Manitoba Coordinator of this site? Confirm its status | Winnipeg | Canada | Recruiting |
| Keimyung University Dongsan Hospital Coordinator of this site? Confirm its status | Daegu | South Korea | Recruiting |
| National Cancer Center Coordinator of this site? Confirm its status | Gyeonggi-do | South Korea | Recruiting |
| Gachon University Gil Medical Center Coordinator of this site? Confirm its status | Incheon | South Korea | Recruiting |
| Seoul National University Bundang Hospital Coordinator of this site? Confirm its status | Seongnam-si | South Korea | Recruiting |
| Gangnam Severance Hospital Coordinator of this site? Confirm its status | Seoul | South Korea | Recruiting |
| Korea University Guro Hospital Coordinator of this site? Confirm its status | Seoul | South Korea | Recruiting |
| Seoul National University Hospital Coordinator of this site? Confirm its status | Seoul | South Korea | Recruiting |
| Samsung Medical Center Coordinator of this site? Confirm its status | Seoul | South Korea | Recruiting |
| Severance Hospital, Yonsei University Health System Coordinator of this site? Confirm its status | Seoul | South Korea | Recruiting |
| Asan Medical Center, Univ. of Ulsan Coordinator of this site? Confirm its status | Seoul | South Korea | Recruiting |
| Changhua Christian Hospital Coordinator of this site? Confirm its status | Changhua | Taiwan | Recruiting |
| Chi Mei Medical Center Coordinator of this site? Confirm its status | Tainan | Taiwan | Recruiting |
| MacKay Memorial Hospital Coordinator of this site? Confirm its status | Taipei | Taiwan | Recruiting |
| Tri-Service General Hospital Coordinator of this site? Confirm its status | Taipei | Taiwan | Recruiting |
| National Taiwan University Hospital Coordinator of this site? Confirm its status | Taipei | Taiwan | Recruiting |
| Taipei Municipal Wan Fang Hospital Coordinator of this site? Confirm its status | Taipei | Taiwan | Recruiting |
| Taipei Veterans General Hospital Coordinator of this site? Confirm its status | Taipei | Taiwan | Recruiting |
| The University of Alabama at Birmingham Coordinator of this site? Confirm its status | Birmingham | United States | Recruiting |
| Massachusetts General Hospital Coordinator of this site? Confirm its status | Boston | United States | Recruiting |
| University of Chicago Coordinator of this site? Confirm its status | Chicago | United States | Recruiting |
| UT Southwestern Medical Center Coordinator of this site? Confirm its status | Dallas | United States | Recruiting |
| Karmanos Cancer Institute Coordinator of this site? Confirm its status | Detroit | United States | Recruiting |
| The Ohio State University Comprehensive Cancer Center Coordinator of this site? Confirm its status | Hilliard | United States | Recruiting |
| Mayo Clinic- Jacksonville Coordinator of this site? Confirm its status | Jacksonville | United States | Recruiting |
| UC San Diego Health Coordinator of this site? Confirm its status | La Jolla | United States | Recruiting |
| Cedars-Sinai Medical Center Coordinator of this site? Confirm its status | Los Angeles | United States | Recruiting |
| Norton Cancer Institute, St. Matthews Clinic Coordinator of this site? Confirm its status | Louisville | United States | Recruiting |
| University of Wisconsin Coordinator of this site? Confirm its status | Madison | United States | Recruiting |
| University of Miami - Sylvester Comprehensive Cancer Center Coordinator of this site? Confirm its status | Miami | United States | Recruiting |
| Medical College of Wisconsin Coordinator of this site? Confirm its status | Milwaukee | United States | Recruiting |
| Advent Health Cancer Institute Coordinator of this site? Confirm its status | Orlando | United States | Recruiting |
| University of Pittsburgh Medical Center, Magee-Womens Hospital Coordinator of this site? Confirm its status | Pittsburgh | United States | Recruiting |
| West Penn Hospital of Allegheny Health Network Coordinator of this site? Confirm its status | Pittsburgh | United States | Recruiting |
| Providence Cancer Institute Coordinator of this site? Confirm its status | Portland | United States | Recruiting |
| Swedish Cancer Institute Coordinator of this site? Confirm its status | Seattle | United States | Recruiting |
| Avera Cancer Institute Sioux Falls Coordinator of this site? Confirm its status | Sioux Falls | United States | Recruiting |
| Tampa General Hospital-Cancer Institute Coordinator of this site? Confirm its status | Tampa | United States | Recruiting |
| The University of Kansas Cancer Center Coordinator of this site? Confirm its status | Westwood | United States | Recruiting |
| Baskent University Coordinator of this site? Confirm its status | Adana | Turkey (Türkiye) | Recruiting |
| Hacettepe University Coordinator of this site? Confirm its status | Altındağ | Turkey (Türkiye) | Recruiting |
| Ankara Bilkent City Hospital Coordinator of this site? Confirm its status | Ankara | Turkey (Türkiye) | Recruiting |
| Sbu Doctor Abdurrahman Yurtaslan Ankara Onkoloji Suam Coordinator of this site? Confirm its status | Ankara | Turkey (Türkiye) | Recruiting |
| Memorial Ankara Hospital Coordinator of this site? Confirm its status | Ankara | Turkey (Türkiye) | Recruiting |
| Ege Universitesi Tip Fakultesi Hastanesi Coordinator of this site? Confirm its status | Bornova | Turkey (Türkiye) | Recruiting |
| Gaziantep Medicalpoint Hospital Coordinator of this site? Confirm its status | Gaziantep | Turkey (Türkiye) | Recruiting |
| Medipol University Hospital Coordinator of this site? Confirm its status | Istanbul | Turkey (Türkiye) | Recruiting |
| Cerrahpasa Medical Faculty At Istanbul University Cerrahpasa Coordinator of this site? Confirm its status | Istanbul | Turkey (Türkiye) | Recruiting |
| Izmir Ekonomi Universitesi (IEU) Medical Point Izmir Hastanesi (Izmir Economy University Medical Point Izmir Hospital) Coordinator of this site? Confirm its status | Izmir | Turkey (Türkiye) | Recruiting |
| Sakarya University - Education and Research Hospital Coordinator of this site? Confirm its status | Sakarya | Turkey (Türkiye) | Recruiting |
| Medicalpark Seyhan Hospital Coordinator of this site? Confirm its status | Seyhan | Turkey (Türkiye) | Recruiting |
This page is information, not medical advice. Discuss any trial with your doctor.