Study of REGN4018 (Ubamatamab) Administered Alone or in Combination With Cemiplimab in Adult Patients With Recurrent Ovarian Cancer or Other Recurrent Mucin-16 Expressing (MUC16+) Cancers

NCT ID: NCT03564340

Last Updated: 2025-12-03

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Clinical Phase

PHASE1/PHASE2

Total Enrollment

890 participants

Study Classification

INTERVENTIONAL

Study Start Date

2018-05-21

Study Completion Date

2027-01-31

Brief Summary

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The main purpose of this study is to:

* Learn about the safety of ubamatamab and to find out what dose of ubamatamab can be given alone or with cemiplimab to patients with ovarian cancer or cancer of the uterus
* The study will also look at the levels of ubamatamab and/or cemiplimab in the body and measure how well the body can remove the study drug(s). This is called pharmacokinetics
* The study will also look at any signs that ubamatamab alone or with cemiplimab can treat recurrent advanced ovarian cancer or cancer of the uterus
* To find out how safe and tolerable pretreatment is in combination with ubamatamab and to see how well it works to prevent or minimize Cytokine Release Syndrome (CRS)

Detailed Description

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Conditions

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Recurrent Ovarian Cancer Recurrent Fallopian Tube Cancer Recurrent Primary Peritoneal Cancer Recurrent Endometrial Cancer Endometrial Cancer Low-grade Serous Ovarian Cancer

Study Design

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Allocation Method

NON_RANDOMIZED

Intervention Model

SEQUENTIAL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Monotherapy

REGN4018 administration

Group Type EXPERIMENTAL

Ubamatamab

Intervention Type DRUG

Administered per the protocol

Sarilumab

Intervention Type DRUG

Administered per the protocol

Tocilizumab

Intervention Type DRUG

Administered per the protocol

Combination Therapy

REGN4018 and cemiplimab administration

Group Type EXPERIMENTAL

Ubamatamab

Intervention Type DRUG

Administered per the protocol

Cemiplimab

Intervention Type DRUG

Administered per the protocol

Interventions

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Ubamatamab

Administered per the protocol

Intervention Type DRUG

Cemiplimab

Administered per the protocol

Intervention Type DRUG

Sarilumab

Administered per the protocol

Intervention Type DRUG

Tocilizumab

Administered per the protocol

Intervention Type DRUG

Other Intervention Names

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REGN4018 REGN2810 Libtayo® Kevzara® REGN88 SAR153191 ACTEMRA® Biosimilar

Eligibility Criteria

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Inclusion Criteria

1. Ovarian Cancer Cohorts Only: Patients with histologically or cytologically confirmed diagnosis of advanced, epithelial ovarian cancer (except carcinosarcoma), primary peritoneal, or fallopian tube cancer who have all of the following:

1. serum CA-125 level ≥2 x upper limit of normal (ULN) (in screening, not required for low-grade serous carcinoma)
2. has received at least 1 line of platinum-containing therapy or must be platinum-intolerant (applicable for dose escalation and non-randomized dose expansion cohorts)
3. documented relapse or progression on or after the most recent line of therapy
4. no standard therapy options likely to convey clinical benefit
2. Adequate organ and bone marrow function as defined in the protocol
3. Life expectancy of at least 3 months
4. Randomized phase 2 expansion cohort (Ovarian Cancer only): Platinum-resistant ovarian cancer patients who have had 2 to 4 lines of platinum-based therapy as defined in the protocol.
5. Endometrial Cancer Cohorts Only: histologically confirmed endometrial cancer that has progressed or recurrent after prior anti-Programmed Cell Death Ligand 1 (PD-1) therapy and platinum-based chemotherapy:

1. MUC16 positivity of tumor cells ≥25% by immunohistochemistry (IHC), as defined in the protocol
2. 1-4 prior lines of systemic therapy, as described in the protocol

Exclusion Criteria

1. Prior treatment with anti-Programmed Cell Death (PD-1)/PD-L1 therapy, as described in the protocol
2. Ovarian Cancer Expansion cohorts only: More than 4 prior lines of cytotoxic chemotherapy (does not apply to low-grade serous ovarian cancer cohort)
3. Prior treatment with a MUC16 - targeted therapy
4. Untreated or active primary brain tumor, central nervous system (CNS) metastases, or spinal cord compression, as described in the protocol
5. History and/or current cardiovascular disease, as defined in the protocol
6. Severe and/or uncontrolled hypertension at screening. Patients taking anti-hypertensive medication must be on a stable anti-hypertensive regimen
Minimum Eligible Age

18 Years

Eligible Sex

FEMALE

Accepts Healthy Volunteers

No

Sponsors

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Regeneron Pharmaceuticals

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Clinical Trial Management

Role: STUDY_DIRECTOR

Regeneron Pharmaceuticals

Locations

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University of Alabama_6th Ave

Birmingham, Alabama, United States

Site Status RECRUITING

Massachusetts General Hospital

Boston, Massachusetts, United States

Site Status RECRUITING

Dana Farber / Harvard Cancer Center

Boston, Massachusetts, United States

Site Status RECRUITING

Mayo Clinic - Rochester

Rochester, Minnesota, United States

Site Status RECRUITING

Roswell Park Cancer Institute

Buffalo, New York, United States

Site Status WITHDRAWN

Columbia University Medical Center

New York, New York, United States

Site Status RECRUITING

Memorial Sloan Kettering Cancer Center

New York, New York, United States

Site Status RECRUITING

The Ohio State University Wexner Medical Center James Comprehensive Cancer Center

Hilliard, Ohio, United States

Site Status RECRUITING

Stephenson Cancer Center

Oklahoma City, Oklahoma, United States

Site Status RECRUITING

Sarah Cannon Research Institute

Nashville, Tennessee, United States

Site Status RECRUITING

Virginia Commonwealth University

Richmond, Virginia, United States

Site Status RECRUITING

Prince of Wales Hospital

Randwick, New South Wales, Australia

Site Status COMPLETED

Peter MacCallum Cancer Center

Melbourne, , Australia

Site Status COMPLETED

Universitair Ziekenhuis Antwerpen

Edegem, Antwerp, Belgium

Site Status RECRUITING

Grand Hopital de Charleroi

Charleroi, Hainaut, Belgium

Site Status RECRUITING

UZLeuven

Leuven, Vlaams-Brabant, Belgium

Site Status RECRUITING

Hopital Lyon Sud

Pierre-Bénite, Auvergne-Rhône, France

Site Status RECRUITING

Centre Georges Francois Leclerc

Dijon, Bourgogne-Franche-Comté, France

Site Status RECRUITING

Centre Francois Baclesse (CFB)

Caen, Normandy, France

Site Status RECRUITING

Institut Bergonie

Bordeaux, Nouvelle-Aquitaine, France

Site Status RECRUITING

Centre Antoine Lacassagne

Nice, Provence Alpes Cote dAzur, France

Site Status RECRUITING

Institut Gustave Roussy

Villejuif, Île-de-France Region, France

Site Status RECRUITING

Rambam Health Care Campus

Haifa, , Israel

Site Status RECRUITING

Sharet Institute of Oncology

Jerusalem, , Israel

Site Status RECRUITING

Sheba Medical Center

Tel Litwinsky, , Israel

Site Status RECRUITING

Fondazione Policlinico Universitario Agostino Gemelli IRCCS

Rome, Lazio, Italy

Site Status RECRUITING

Istituto Europeo di Oncologia

Milan, , Italy

Site Status RECRUITING

Instituto Nazionale Tumori- Fondazione Pascale

Naples, , Italy

Site Status RECRUITING

Radboudumc

Nijmegen, Gelderland, Netherlands

Site Status RECRUITING

Erasmus MC

Rotterdam, South Holland, Netherlands

Site Status RECRUITING

University Medical Center Groningen

Groningen, , Netherlands

Site Status RECRUITING

Yonsei University Health System

Seoul, , South Korea

Site Status RECRUITING

Asan Medical Center, Univ. of Ulsan

Seoul, , South Korea

Site Status RECRUITING

Samsung Medical Center

Seoul, , South Korea

Site Status RECRUITING

Korea University Guro Hospital

Seoul, , South Korea

Site Status RECRUITING

Seoul National University Hospital

Seoul, , South Korea

Site Status RECRUITING

Clinica Universidad de Navarra

Pamplona, Navarre, Spain

Site Status RECRUITING

Institut Catala dOncologia Badalona

Badalona, , Spain

Site Status RECRUITING

Hospital Universitari Vall d'Hebron

Barcelona, , Spain

Site Status RECRUITING

Institut Catala d'Oncologia

Barcelona, , Spain

Site Status RECRUITING

Clinica Universidad Navarra (CUN) Madrid

Madrid, , Spain

Site Status RECRUITING

Fundacion Jimenez Diaz

Madrid, , Spain

Site Status RECRUITING

Hospital Universitario San Carlos

Madrid, , Spain

Site Status RECRUITING

Hospital Clinico Universitatio Santiago de Compostela

Santiago de Compostela, , Spain

Site Status RECRUITING

University of Oxford

Oxford, Oxfordshire, United Kingdom

Site Status RECRUITING

Royal Marsden Hospital - Sutton

Sutton, Surrey, United Kingdom

Site Status WITHDRAWN

The Royal Marsden NHS Foundation Trust

Sutton, Surrey, United Kingdom

Site Status RECRUITING

University College London Hospitals

London, , United Kingdom

Site Status RECRUITING

Guys Hospital

London, , United Kingdom

Site Status RECRUITING

Imperial College Healthcare NHS Trust

London, , United Kingdom

Site Status RECRUITING

The Christie NHS Foundation Trust

Manchester, , United Kingdom

Site Status RECRUITING

Countries

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United States Australia Belgium France Israel Italy Netherlands South Korea Spain United Kingdom

Central Contacts

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Clinical Trials Administrator

Role: CONTACT

844-734-6643

Other Identifiers

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2024-510783-23-00

Identifier Type: CTIS

Identifier Source: secondary_id

2019-003298-24

Identifier Type: EUDRACT_NUMBER

Identifier Source: secondary_id

R4018-ONC-1721

Identifier Type: -

Identifier Source: org_study_id

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