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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
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

Full criteria on ClinicalTrials.gov

Sites (56)

Sites in registry order. Pick your city on the disease page to sort them by distance.

SiteCityCountrySite status
Centre de Santé et de Services Sociaux de la Montérégie-Centre
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Greenfield ParkCanadaRecruiting
Research Institute, McGill University Health Centre
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MontrealCanadaRecruiting
Jewish General Hospital
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MontrealCanadaRecruiting
Centre Hospitalier Universitaire (CHU) de Quebec - Universite Laval
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QuébecCanadaRecruiting
Princess Margaret Cancer Centre
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TorontoCanadaRecruiting
CancerCare Manitoba
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WinnipegCanadaRecruiting
Keimyung University Dongsan Hospital
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DaeguSouth KoreaRecruiting
National Cancer Center
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Gyeonggi-doSouth KoreaRecruiting
Gachon University Gil Medical Center
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IncheonSouth KoreaRecruiting
Seoul National University Bundang Hospital
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Seongnam-siSouth KoreaRecruiting
Gangnam Severance Hospital
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SeoulSouth KoreaRecruiting
Korea University Guro Hospital
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SeoulSouth KoreaRecruiting
Seoul National University Hospital
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SeoulSouth KoreaRecruiting
Samsung Medical Center
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SeoulSouth KoreaRecruiting
Severance Hospital, Yonsei University Health System
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SeoulSouth KoreaRecruiting
Asan Medical Center, Univ. of Ulsan
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SeoulSouth KoreaRecruiting
Changhua Christian Hospital
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ChanghuaTaiwanRecruiting
Chi Mei Medical Center
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TainanTaiwanRecruiting
MacKay Memorial Hospital
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TaipeiTaiwanRecruiting
Tri-Service General Hospital
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TaipeiTaiwanRecruiting
National Taiwan University Hospital
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TaipeiTaiwanRecruiting
Taipei Municipal Wan Fang Hospital
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TaipeiTaiwanRecruiting
Taipei Veterans General Hospital
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TaipeiTaiwanRecruiting
The University of Alabama at Birmingham
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BirminghamUnited StatesRecruiting
Massachusetts General Hospital
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BostonUnited StatesRecruiting
University of Chicago
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ChicagoUnited StatesRecruiting
UT Southwestern Medical Center
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DallasUnited StatesRecruiting
Karmanos Cancer Institute
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DetroitUnited StatesRecruiting
The Ohio State University Comprehensive Cancer Center
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HilliardUnited StatesRecruiting
Mayo Clinic- Jacksonville
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JacksonvilleUnited StatesRecruiting
UC San Diego Health
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La JollaUnited StatesRecruiting
Cedars-Sinai Medical Center
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Los AngelesUnited StatesRecruiting
Norton Cancer Institute, St. Matthews Clinic
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LouisvilleUnited StatesRecruiting
University of Wisconsin
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MadisonUnited StatesRecruiting
University of Miami - Sylvester Comprehensive Cancer Center
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MiamiUnited StatesRecruiting
Medical College of Wisconsin
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MilwaukeeUnited StatesRecruiting
Advent Health Cancer Institute
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OrlandoUnited StatesRecruiting
University of Pittsburgh Medical Center, Magee-Womens Hospital
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PittsburghUnited StatesRecruiting
West Penn Hospital of Allegheny Health Network
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PittsburghUnited StatesRecruiting
Providence Cancer Institute
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PortlandUnited StatesRecruiting
Swedish Cancer Institute
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SeattleUnited StatesRecruiting
Avera Cancer Institute Sioux Falls
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Sioux FallsUnited StatesRecruiting
Tampa General Hospital-Cancer Institute
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TampaUnited StatesRecruiting
The University of Kansas Cancer Center
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WestwoodUnited StatesRecruiting
Baskent University
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AdanaTurkey (Türkiye)Recruiting
Hacettepe University
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AltındağTurkey (Türkiye)Recruiting
Ankara Bilkent City Hospital
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AnkaraTurkey (Türkiye)Recruiting
Sbu Doctor Abdurrahman Yurtaslan Ankara Onkoloji Suam
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AnkaraTurkey (Türkiye)Recruiting
Memorial Ankara Hospital
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AnkaraTurkey (Türkiye)Recruiting
Ege Universitesi Tip Fakultesi Hastanesi
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BornovaTurkey (Türkiye)Recruiting
Gaziantep Medicalpoint Hospital
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GaziantepTurkey (Türkiye)Recruiting
Medipol University Hospital
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IstanbulTurkey (Türkiye)Recruiting
Cerrahpasa Medical Faculty At Istanbul University Cerrahpasa
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IstanbulTurkey (Türkiye)Recruiting
Izmir Ekonomi Universitesi (IEU) Medical Point Izmir Hastanesi (Izmir Economy University Medical Point Izmir Hospital)
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IzmirTurkey (Türkiye)Recruiting
Sakarya University - Education and Research Hospital
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SakaryaTurkey (Türkiye)Recruiting
Medicalpark Seyhan Hospital
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SeyhanTurkey (Türkiye)Recruiting

This page is information, not medical advice. Discuss any trial with your doctor.