NCT06888921

Brief Summary

The goal of this clinical trial is to learn if the experimental antibody COM701 delays the progression of ovarian cancer in participants with Relapsed Platinum Sensitive Ovarian Cancer. It will also learn about the safety of COM701. The main questions the trial aims to answer are:

  • Does COM701, when used as a maintenance treatment, stop or slow the progression of ovarian cancer?
  • Does COM701 delay the time to needing a new anti-cancer treatment?
  • What side effects do participants have when taking COM701? Participants will:
  • Visit the clinic once every 3 weeks during which the study treatment will be administered intravenously
  • Undergo various tests and procedures to monitor general health throughout the trial including physical examinations, vital sign measurements (heart rate, blood pressure, breathing, and body temperature), weight measurements, electrocardiography (ECG), blood and urine tests and pregnancy tests if relevant.
  • Undergo various tests and procedures to assess disease response throughout the trial including tumor imaging by CT scans or MRI to assess the tumor, its location, and size, and the testing of a sample of tumor tissue (from a prior biopsy or a fresh biopsy if feasible, to evaluate tumor response to treatment and to measure levels of tumor markers,

Trial Health

80
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
60

participants targeted

Target at P50-P75 for phase_1 ovarian-cancer

Timeline
10mo left

Started Jul 2025

Shorter than P25 for phase_1 ovarian-cancer

Geographic Reach
3 countries

28 active sites

Status
recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Progress50%
Jul 2025Mar 2027

First Submitted

Initial submission to the registry

March 12, 2025

Completed
9 days until next milestone

First Posted

Study publicly available on registry

March 21, 2025

Completed
4 months until next milestone

Study Start

First participant enrolled

July 21, 2025

Completed
1.6 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

March 1, 2027

Expected
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

March 1, 2027

Last Updated

April 1, 2026

Status Verified

September 1, 2025

Enrollment Period

1.6 years

First QC Date

March 12, 2025

Last Update Submit

March 31, 2026

Conditions

Keywords

maintenance therapyrelapsed platinum sensitive ovarian cancer

Outcome Measures

Primary Outcomes (1)

  • To evaluate the effect of COM701 as a single agent on progression free survival when administered as a maintenance regimen in participants with relapsed PSOC

    Progression free survival in COM701-treated participants compared to placebo-treated participants

    From the date of randomization until the date of disease progression, or date of death from any cause whichever occurs first, assessed up to 2 years

Secondary Outcomes (2)

  • To evaluate the safety and tolerability of the COM701 as a single agent when administered as a maintenance regimen in participants with relapsed PSOC

    From randomization up to 90 days post last cycle of study treatment (each cycle is 3 weeks; study treatment may continue up to 2 years).

  • To evaluate the effect of COM701 as a single agent on other efficacy endpoints when administered as a maintenance regimen in participants with relapsed PSOC

    From date of randomization until the date of the initiation of a new anti-cancer treatment, or date of death from any cause whichever occurs first, assessed up to 2 years.

Study Arms (2)

COM701

EXPERIMENTAL
Drug: COM701

Normal Saline

PLACEBO COMPARATOR
Drug: Normal Saline

Interventions

COM701DRUG

COM701 will be administered via intravenous (IV) infusion once every 3 weeks.

COM701

Saline will be administered via intravenous (IV) infusion once every 3 weeks

Normal Saline

Eligibility Criteria

Age18 Years+
Sexfemale
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Has relapsed platinum sensitive epithelial ovarian cancer, fallopian tube cancer or primary peritoneal cancer
  • Has completed at least 2 previous courses (i.e. lines) of platinum-containing therapy
  • For the last chemotherapy course prior to being randomized into the study, must have had a minimum of 4 cycles of a platinum containing regimen and achieved a partial or complete tumor response.
  • Has received prior maintenance therapy with bevacizumab or a PARP inhibitor if eligible and is not a candidate for, or has declined in writing, bevacizumab or PARP inhibitor therapy.
  • Have recovered from toxicities of prior chemotherapy or other therapy (to grade 1 or less, except for alopecia and neuropathy recovered to a ≤grade 2).

You may not qualify if:

  • Has had 4 or more lines of cytotoxic chemotherapy in total
  • Is being treated with immunosuppressive doses of systemic medications, such as steroids within 2 weeks before study drug administration
  • Has had prior treatment with PD-1, PD-L1, anti-PVRIG, TIGIT or any other check point inhibitors
  • Presence of radiographic or biopsy proven liver metastases at the beginning or completion of current line of platinum-based chemotherapy.
  • Drainage of ascites during last 2 cycles of last chemotherapy or any time after completion of the last chemotherapy regimen.
  • Bowel obstruction in the 6 weeks prior to randomization.
  • Have known active central nervous system metastases and/or carcinomatous meningitis / leptomeningeal carcinomatosis.
  • Has active hepatitis B virus (HBV) or hepatitis C virus (HCV), or subjects with human immunodeficiency virus (HIV).
  • Has active and clinically relevant bacterial, fungal, or viral infection that is not controlled or requires systemic antibiotics, antifungals, or antivirals, respectively.
  • Has received a live viral vaccine within 30 days of planned start of study treatment or requiring a live vaccine during the study.
  • Has a history of severe allergic, anaphylactic, or other hypersensitivity reactions to a human or humanized monoclonal antibody (mAb) or allergy to any excipients in the investigational products.
  • Has any serious or unstable concomitant systemic disorder
  • Has any other condition that may increase the risk associated with study participation or may interfere with the interpretation of study results and, in the opinion of the investigator, would make the subject inappropriate for entry into the study.
  • Is currently participating in or have participated in a clinical study and received an investigational agent or used an investigational device within 4 weeks prior to the first dose of study treatment.
  • Is pregnant or breastfeeding or planning to become pregnant during the period of the study.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (28)

Georgia Cancer Center at Augusta University

Augusta, Georgia, 30912, United States

RECRUITING

The University of Chicago Medical Center

Chicago, Illinois, 60637, United States

RECRUITING

Northwestern Memorial Hospital

Warrenville, Illinois, 60555, United States

RECRUITING

Massachusetts General Hospital

Boston, Massachusetts, 02114, United States

RECRUITING

Corewell Health

Grand Rapids, Michigan, 49503, United States

RECRUITING

Memorial Sloan Kettering Cancer Center- Main Campus

New York, New York, 10065, United States

RECRUITING

University of Rochester Medical Center

Rochester, New York, 14642, United States

RECRUITING

Levine Cancer Institute

Charlotte, North Carolina, 28204, United States

RECRUITING

Ohio State University Wexner Medical Center Gynecologic Oncology at Mill Run

Hilliard, Ohio, 43026, United States

RECRUITING

OU Health Stephenson Cancer Center

Oklahoma City, Oklahoma, 73104, United States

RECRUITING

UPMC Magee- Womens Hospital

Pittsburgh, Pennsylvania, 15213, United States

RECRUITING

Avera Cancer Institute

Sioux Falls, South Dakota, 57105, United States

RECRUITING

West Cancer Center

Germantown, Tennessee, 38138, United States

WITHDRAWN

UVA Comprehensive Cancer Center

Charlottesville, Virginia, 22903, United States

RECRUITING

Centre Hospitalier Regional et Universitaire de Besancon - Hopital Jean-Minjoz

Besançon, France, 25000, France

RECRUITING

Oncopole Claudius Regaud

Toulouse, France, 31059, France

RECRUITING

Centre Oscar Lambret

Lille, 59000, France

RECRUITING

Institut Paoli-Calmettes

Marseille, 13009, France

RECRUITING

Hospices Civils de Lyon- Centre Hospitalier Lyon Sud

Pierre-Bénite, 69310, France

RECRUITING

Centre Eugene Marquis

Rennes, 35042, France

RECRUITING

Institut de Cancerologie de l'Ouest- Site Rene Gauducheau

Saint-Herblain, 44805, France

RECRUITING

Gustave Roussy

Villejuif, 94800, France

RECRUITING

Assuta Medical Center

Ashdod, 7747629, Israel

RECRUITING

Rambam Health Care Campus

Haifa, 3109601, Israel

RECRUITING

The Edith Wolfson Medical Center

Holon, 5822012, Israel

RECRUITING

Shaare Zedek Medical Center

Jerusalem, 9103102, Israel

RECRUITING

Hadassah, University Hospital Ein Kerem

Jerusalem, 9112001, Israel

RECRUITING

The Chaim Sheba Medical Center

Ramat Gan, 5265601, Israel

RECRUITING

MeSH Terms

Conditions

Ovarian Neoplasms

Interventions

Saline Solution

Condition Hierarchy (Ancestors)

Endocrine Gland NeoplasmsNeoplasms by SiteNeoplasmsOvarian DiseasesAdnexal DiseasesGenital Diseases, FemaleFemale Urogenital DiseasesFemale Urogenital Diseases and Pregnancy ComplicationsUrogenital DiseasesGenital Neoplasms, FemaleUrogenital NeoplasmsGenital DiseasesEndocrine System DiseasesGonadal Disorders

Intervention Hierarchy (Ancestors)

Crystalloid SolutionsIsotonic SolutionsSolutionsPharmaceutical Preparations

Study Design

Study Type
interventional
Phase
phase 1
Allocation
RANDOMIZED
Masking
TRIPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Model Details: This is an adaptive platform trial enabling the evaluation of COM701 initially as a single agent compared to placebo in relapsed PSOC. This will enable the evaluation of the effects of COM701 as a single agent followed by the potential to adjust the trial to evaluate combinations with COM701. A data monitoring committee will review all safety and efficacy data on a regular basis and will make recommendations regarding study unblinding and timing to start additional sub-studies evaluating COM701 in combination with other anti-cancer drugs. An interim analysis will be conducted when approximately 60 participants in sub-study 1 have been followed for approximately 9 months.
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

March 12, 2025

First Posted

March 21, 2025

Study Start

July 21, 2025

Primary Completion (Estimated)

March 1, 2027

Study Completion (Estimated)

March 1, 2027

Last Updated

April 1, 2026

Record last verified: 2025-09

Data Sharing

IPD Sharing
Will share
Shared Documents
STUDY PROTOCOL, CSR
Time Frame
Within 12 months of final database lock
Access Criteria
To be decided

Locations