Rinatabart Sesutecan (Rina-S, PRO1184, GEN1184) for Advanced Solid Tumors (GCT1184-01/ PRO1184-001)

NCT ID: NCT05579366

Last Updated: 2026-01-07

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

764 participants

Study Classification

INTERVENTIONAL

Study Start Date

2022-12-07

Study Completion Date

2027-10-31

Brief Summary

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This study will test the safety, including side effects, and determine the characteristics of a drug called Rina-S in participants with solid tumors.

Participants will have solid tumor cancer that has spread through the body (metastatic) or cannot be removed with surgery (unresectable).

Detailed Description

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This is a Phase 1/2 study of Rina-S; also known as GEN1184, formerly known as PRO1184, a folate receptor alpha (FRα) targeted antibody-drug conjugate, to evaluate the safety, tolerability, pharmacokinetics (PK), and antitumor activity of Rina-S in participants with selected locally advanced and/or metastatic solid tumors, including epithelial ovarian cancer, endometrial cancer, breast cancer, non-small cell lung cancer, and mesothelioma.

The study consists of multiple parts:

Part A: monotherapy cohorts

Part B: tumor-specific monotherapy dose-expansion cohorts

Part C: platinum-resistant ovarian cancer (PROC) monotherapy cohort

Part D: combination therapy cohorts

Parts F and G: a monotherapy endometrial cancer (EC) cohort

Part H: a monotherapy PROC cohort

Part I: platinum-sensitive ovarian cancer (PSOC) cohort

Part J: a monotherapy PROC cohort

Part K: a monotherapy high-grade ovarian cancer cohort

Participants will continue to receive study treatment until the first instance of disease progression, unacceptable toxicity, investigator decision, consent withdrawal, study termination by the Sponsor, pregnancy, or death.

Conditions

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High Grade Epithelial Ovarian Cancer High Grade Serous Ovarian Cancer Primary Peritoneal Carcinoma Fallopian Tube Cancer Endometrial Cancer Non-small Cell Lung Cancer Epidermal Growth Factor Receptor (EGFR)-Mutated Non-Small Cell Lung Cancer (NSCLC) Mesothelioma Breast Adenocarcinoma Triple Negative Breast Cancer Hormone Receptor-positive/Her2 Negative Breast Cancer Platinum-resistant Ovarian Cancer (PROC) Platinum Sensitive Ovarian Cancer (PSOC) Primary Refractory Ovarian Cancer Uterine 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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Part A, B, C, F, G, H, I, J and K

Rina-S monotherapy in Part A and at the recommended dose in Parts B, C, F, G, H, I, J and K.

Group Type EXPERIMENTAL

Rina-S

Intervention Type DRUG

Intravenous infusion of Rina-S

Part D1

Rina-S in combination with carboplatin

Group Type EXPERIMENTAL

Rina-S

Intervention Type DRUG

Intravenous infusion of Rina-S

Carboplatin

Intervention Type DRUG

Carboplatin intravenous infusion

Part D2 and I

Rina-S in combination with bevacizumab

Group Type EXPERIMENTAL

Rina-S

Intervention Type DRUG

Intravenous infusion of Rina-S

Bevacizumab

Intervention Type DRUG

Bevacizumab intravenous infusion

Part D3 and D4

Rina-S in combination with pembrolizumab

Group Type EXPERIMENTAL

Rina-S

Intervention Type DRUG

Intravenous infusion of Rina-S

Pembrolizumab

Intervention Type DRUG

Pembrolizumab intravenous infusion

Interventions

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Rina-S

Intravenous infusion of Rina-S

Intervention Type DRUG

Carboplatin

Carboplatin intravenous infusion

Intervention Type DRUG

Bevacizumab

Bevacizumab intravenous infusion

Intervention Type DRUG

Pembrolizumab

Pembrolizumab intravenous infusion

Intervention Type DRUG

Other Intervention Names

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PRO1184 Rinatabart sesutecan GEN1184

Eligibility Criteria

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Inclusion Criteria

Part A and B:

* Histologically or cytologically confirmed metastatic or unresectable solid malignancy including ovarian cancer (must have epithelial ovarian cancer, primary peritoneal cancer, or fallopian tube cancer), endometrial cancer, non-small cell lung cancer (Part A), EGFR-mutated NSCLC (Part B), breast cancer (hormone receptor positive, HER2-negative and triple-negative) (Part A), mesothelioma or cervical cancer (Part B).
* Previously received therapies known to confer clinical benefit.
* Measurable disease per RECIST v1.1 for all tumor types other than pleural mesothelioma which will use mRECIST v1.1 at baseline.

Part C and H:

Participants must have histologically or cytologically confirmed metastatic or unresectable epithelial ovarian cancer as specified below.

* High grade serous ovarian cancer, primary peritoneal cancer, or fallopian tube cancer (excluding endometrioid, clear cell carcinomas, mucinous, low grade, and those with a sarcomatous or neuroendocrine element)
* Participants must have received up to 3 prior lines of therapy. Participants may have had up to to 4 prior lines of therapy are allowed if MIRV is locally approved and was used as the last line of therapy. Participants must have progressed radiographically on or after their most recent line of therapy.
* Participants must have platinum-resistant ovarian cancer.
* Participants must have received prior bevacizumab or approved biosimilar.
* Participants with known or suspected deleterious germline or somatic BRCA mutations (as determined by Food and Drug Administration \[FDA\]-approved test in a Clinical Laboratory Improvement Amendments \[CLIA\]-certified laboratory; or locally approved equivalent) and who achieved a complete or partial response to platinum-based chemotherapy must have been treated with a poly ADP-ribose polymerase (PARP) inhibitor as maintenance treatment.
* Measurable disease per the RECIST v1.1 at baseline.

Part D:

Cohort D1:

* Participants must have platinum-sensitive ovarian cancer.
* Participants must have received 1 to 3 prior lines of therapy.

Cohort D2:

* Participants must have primary platinum-refractory, platinum-resistant, or platinum-sensitive ovarian cancer.
* Participants with primary platinum-refractory ovarian cancer must have received ≤2 prior lines of therapy. Primary platinum-refractory ovarian cancer is defined as a lack of response or by progression within 91 days after completing front-line platinum containing therapy.
* Participants must have received 1 to 3 prior lines of therapy for platinum-resistant ovarian cancer (PROC), and up to 4 prior lines of therapy for platinum-sensitive ovarian cancer (PSOC). Prior treatments may have included bevacizumab, PARP inhibitor, and MIRV.

* Participants with PSOC must have disease progression on or after maintenance treatment, or at least 6 months (\>183 days) or more from the last dose of platinum-based therapy.

Cohort D3 and D4:

• Endometrial cancer (any subtype excluding sarcoma).

Part F and G:

* Participants must have histologically or cytologically confirmed EC.
* Recurrent progressive EC (any subtype excluding neuroendocrine tumors, carcinosarcoma, or endometrial sarcoma) following prior therapy.
* Participants must have received 1 to 3 prior lines of therapy, and must have progressed radiographically on or after their most recent line of therapy:
* Participants must have received prior platinum-based chemotherapy and a programmed death-ligand 1 (PD-\[L\])1 inhibitor.
* Participants who progress \>12 months after completion of prior adjuvant or neoadjuvant platinum-based chemotherapy must receive 1 additional cytotoxic systemic treatment prior to enrollment in this study.
* Hormonal therapy alone (i.e., without chemotherapy) will not be counted as a separate line of therapy.
* Measurable disease per the RECIST Version 1.1 at baseline.

Part I:

* Participants must have histologically or cytologically confirmed high grade serous or endometrioid epithelial ovarian cancer, fallopian tube cancer and primary peritoneal cancer (excluding clear cell, mucinous, or sarcomatous histology, mixed tumors containing any of the above histologies or low grade/borderline ovarian tumors).
* Participants must have platinum sensitive ovarian cancer.
* Measurable disease per the RECIST Version 1.1 at baseline.

Part J:

* Participants must have high grade epithelial ovarian cancer, primary peritoneal cancer, or fallopian tube cancer including serous, endometrioid, and clear cell carcinomas, and excluding mucinous, low grade, and those with a sarcomatous or neuroendocrine element.
* Measurable disease per the RECIST Version 1.1 at baseline.

Part K:

* Participants must have histologically or cytologically confirmed metastatic or unresectable ovarian cancer (must have high grade epithelial ovarian cancer, primary peritoneal cancer, or fallopian tube cancer including serous, endometrioid, and clear cell carcinomas, and excluding mucinous, low grade, and those with a sarcomatous or neuroendocrine element).
* Participants must have primary platinum-refractory, platinum-resistant, or platinum-sensitive ovarian cancer.
* Measurable disease per the RECIST Version 1.1 at baseline.

Exclusion Criteria

* History of (non-infectious) interstitial lung disease (ILD)/pneumonitis that required steroids within the past 2 years, has current ILD/pneumonitis, or where suspected ILD/pneumonitis cannot be ruled out by imaging at screening.
* Prior therapy with a topoisomerase 1 inhibitor-based antibody drug conjugate.

Note: Other protocol-defined inclusion/exclusion may apply.
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Genmab

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Study Official

Role: STUDY_DIRECTOR

Genmab

Locations

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USOR HonorHealth

Phoenix, Arizona, United States

Site Status RECRUITING

USOR Arizona Oncology Associates

Tucson, Arizona, United States

Site Status RECRUITING

University of California Los Angeles Medical Center

Los Angeles, California, United States

Site Status RECRUITING

University of California, San Diego; Moores Cancer Center

San Diego, California, United States

Site Status RECRUITING

USOR Sansum Clinic

Santa Barbara, California, United States

Site Status RECRUITING

Providence Medical Foundation

Santa Rosa, California, United States

Site Status RECRUITING

USOR Florida Cancer Specialists South

Fort Myers, Florida, United States

Site Status RECRUITING

USOR Florida Cancer Specialists North

St. Petersburg, Florida, United States

Site Status RECRUITING

USOR Florida Cancer Specialists East

West Palm Beach, Florida, United States

Site Status RECRUITING

University of Kansas Medical Center (KUMC)

Westwood, Kansas, United States

Site Status RECRUITING

USOR Maryland Oncology Hematology

Rockville, Maryland, United States

Site Status RECRUITING

Massachusetts General Hospital

Boston, Massachusetts, United States

Site Status RECRUITING

Dana Farber Cancer Institute

Boston, Massachusetts, United States

Site Status RECRUITING

Karmanos Cancer Institute

Detroit, Michigan, United States

Site Status RECRUITING

START Midwest

Grand Rapids, Michigan, United States

Site Status RECRUITING

USOR Minnesota Oncology Hematology

Maplewood, Minnesota, United States

Site Status RECRUITING

Ohio State University Comprehensive Cancer Center (OSUCCC)- The James Cancer Hospital and Solove Research Institute

Columbus, Ohio, United States

Site Status RECRUITING

University of Oklahoma - Health Sciences Center

Oklahoma City, Oklahoma, United States

Site Status RECRUITING

USOR Oncology Associates of Oregon, P.C.

Eugene, Oregon, United States

Site Status RECRUITING

Compass Oncology - Rose Quarter

Portland, Oregon, United States

Site Status RECRUITING

USOR Alliance Cancer Specialist

Doylestown, Pennsylvania, United States

Site Status RECRUITING

Women and Infants Hospital of Rhode Island

Providence, Rhode Island, United States

Site Status RECRUITING

Sarah Cannon Research Institute at Tennessee Oncology

Nashville, Tennessee, United States

Site Status RECRUITING

Tennessee Oncology

Nashville, Tennessee, United States

Site Status RECRUITING

USOR Texas Oncology

Abilene, Texas, United States

Site Status RECRUITING

Texas Oncology - Central / South Texas

Austin, Texas, United States

Site Status RECRUITING

Mary Crowley Cancer Research

Dallas, Texas, United States

Site Status RECRUITING

USOR Texas Oncology

Fort Worth, Texas, United States

Site Status RECRUITING

Texas Oncology - Northeast TX

Tyler, Texas, United States

Site Status RECRUITING

USOR Texas Oncology Gulf Coast

Woodland, Texas, United States

Site Status RECRUITING

START Mountain Region

West Valley City, Utah, United States

Site Status RECRUITING

USOR Virginia Cancer Specialists

Fairfax, Virginia, United States

Site Status RECRUITING

USOR Virginia Oncology Associates

Norfolk, Virginia, United States

Site Status RECRUITING

Swedish Cancer Institute

Seattle, Washington, United States

Site Status RECRUITING

Cancer hospital, Chinese Academy of Medical Sciences

Beijing, Beijing Municipality, China

Site Status RECRUITING

Chongqing University Cancer Hospital

Chongqing, Chongqing Municipality, China

Site Status RECRUITING

Hunan Cancer Hospital - Phase 1

Changsha, Hunan, China

Site Status RECRUITING

Hunan Cancer Hospital - Thoracic Medicine Dept II

Changsha, Hunan, China

Site Status RECRUITING

Jiangxi Maternal and Child Health Hospital

Nanchang, Jiangxi, China

Site Status RECRUITING

Jilin Cancer Hospital

Changchun, Jilin, China

Site Status RECRUITING

Obstetrics & Gynecology Hospital of Fudan University

Chengdu, Shanghai Municipality, China

Site Status RECRUITING

Fudan University Shanghai Cancer Center - Gynecologic Oncology

Shanghai, Shanghai Municipality, China

Site Status RECRUITING

Fudan University Shanghai Cancer Center- Phase 1

Shanghai, Shanghai Municipality, China

Site Status RECRUITING

Shanghai East Hospital

Shanghai, Shanghai Municipality, China

Site Status RECRUITING

Sichuan Cancer Hospital

Shanghai, Sichuan, China

Site Status RECRUITING

Zhejiang Cancer Hospital

Hangzhou, Zhejiang, China

Site Status RECRUITING

Fukushima Medical University Hospital

Fukushima, Fukushima, Japan

Site Status RECRUITING

Gunma Prefectural Cancer Center

Ōta, Gunma, Japan

Site Status RECRUITING

Sapporo Medical University Hospital

Sapporo, Hokkaido, Japan

Site Status RECRUITING

Hyogo Cancer Center

Akashi, Hyōgo, Japan

Site Status RECRUITING

Saitama Medical University-International Medical Center

Hidaka, Saitama, Japan

Site Status RECRUITING

Shizuoka Cancer Center

Nagaizumi-chō, Shizuoka, Japan

Site Status RECRUITING

Cancer Institute Hospital of JFCR

Koto, Tokyo, Japan

Site Status RECRUITING

Keio University Hospital

Shinjuku-ku, Tokyo, Japan

Site Status RECRUITING

Yamagata University Hospital

Yamagata, Yamagata, Japan

Site Status RECRUITING

National Cancer Center Hospital

Tokyo, , Japan

Site Status RECRUITING

Countries

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United States China Japan

Central Contacts

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Genmab Trial Information

Role: CONTACT

+4570202728

Other Identifiers

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CTR20230813

Identifier Type: REGISTRY

Identifier Source: secondary_id

PRO1184-001

Identifier Type: OTHER

Identifier Source: secondary_id

jRCT2051250094

Identifier Type: REGISTRY

Identifier Source: secondary_id

GCT1184-01

Identifier Type: -

Identifier Source: org_study_id

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