Study to Assess the Efficacy and Safety of Rina-S With or Without Bevacizumab Compared to Investigator's Choice of Platinum-based Chemotherapy With or Without Bevacizumab as Second-line Treatment in Participants With Recurrent Platinum-sensitive Ovarian Cancer (RAINFOL™-07)

April 27, 2026 updated by: Genmab

A Randomized, Open-label, Phase 3 Study of Rina-S ± Bevacizumab Versus Investigator's Choice of Platinum-Based Chemotherapy ± Bevacizumab as 2L Treatment in Participants With Recurrent Platinum-Sensitive Ovarian Cancer

This Phase 3 study will be conducted in different countries around the world with up to about 688 participants.

The purpose of this study is to evaluate how well Rina-S works against ovarian cancer in combination with or without bevacizumab and how it compares to an investigator's choice of platinum-based chemotherapy with or without bevacizumab.

Participants will receive either:

  • Rina-S monotherapy (by itself),
  • Rina-S plus bevacizumab,
  • investigator's choice chemotherapy (by itself) (standard of care), or
  • investigator's choice chemotherapy plus bevacizumab (standard of care).

No participants will be given placebo. Participants will participate in 1 of 2 arms.

The treatment duration will be different for every participant. If a participant's cancer stays the same or gets better, and there are not any serious problems, participants can keep getting study treatment for as long as the study is open.

Participants will be asked to attend 1 to 3 visits at the study clinic for each cycle (duration of cycle is 3 or 4 weeks, depending on medication received). During visits, there will be various tests (such as blood draws) and procedures (such as recording of heart activity and imaging) to monitor whether the study treatment is safe and effective.

The overall study duration (including screening, treatment, and follow-up) will be different for every participant.

Study Overview

Status

Not yet recruiting

Conditions

Intervention / Treatment

Detailed Description

This is a global, open-label, randomized, Phase 3 study of Rina-S ± bevacizumab versus investigator's choice (IC) ± bevacizumab as second-line (2L) treatment in participants with recurrent platinum-sensitive ovarian cancer (PSOC).

Study Type

Interventional

Enrollment (Estimated)

688

Phase

  • Phase 3

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Contact

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

  • Adult
  • Older Adult

Accepts Healthy Volunteers

No

Description

Key Inclusion Criteria:

  • Participant must have histologically confirmed high-grade serous or endometrioid epithelial ovarian cancer (EOC), including primary peritoneal or fallopian tube cancer.
  • Participant must have documented recurrence or progression after first-line (1L) platinum-based chemotherapy regimen (carboplatin + paclitaxel ≥ 4 cycles) with or without bevacizumab and have platinum-sensitive disease defined as radiographic progression at least 6 months (ie, >183 days) after their last dose administration of platinum-based therapy.
  • Prior poly (ADP-ribose) polymerase inhibitor(s) (PARPi) maintenance therapy (alone or in combination with bevacizumab) is required for participants with breast cancer susceptibility gene (BRCA 1- and BRCA 2)-mutated (germline or somatic) or homologous recombination deficiency (HRD)-positive disease.
  • Participants must have measurable disease per RECIST v1.1 by investigator at baseline.
  • All participants must provide a tumor specimen.
  • Participants must have Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1 at baseline.

Key Exclusion Criteria:

  • Participants with clear cell, mucinous, or sarcomatous histology, mixed tumors containing any of the above histologies, or low-grade/borderline ovarian tumors.
  • Participant has received previous therapy with other anti-angiogenetic agents different from bevacizumab or biosimilar.
  • Participant has received prior therapy with an antibody-drug conjugate (ADC) containing a topoisomerase-1 inhibitor.
  • Participant has received prior therapy with an ADC targeting folate receptor alpha (FRα).

Note: Other protocol-defined Inclusion and Exclusion criteria may apply.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: Arm 1: Rina-S ± Bevacizumab
Participants will receive Rina-S ± bevacizumab once every 3 weeks (Q3W).
Drug: Bevacizumab
IV infusion
Biological: Rina-S
Intravenous (IV) infusion
Other Names:
  • PRO1184
  • Rinatabart Sesutecan
  • GEN1184
Active Comparator: Arm 2: Investigator Choice of Chemotherapy ± Bevacizumab
Participants will receive carboplatin plus gemcitabine ± bevacizumab, carboplatin plus paclitaxel ± bevacizumab, or carboplatin plus pegylated liposomal doxorubicin (PLD) ± bevacizumab.
Drug: Bevacizumab
IV infusion
Drug: Paclitaxel
IV infusion
Drug: Gemcitabine
IV infusion
Drug: Carboplatin
IV infusion
Drug: PLD
IV infusion

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
Progression-free Survival (PFS) per Response Evaluation Criteria in Solid Tumours (RECIST) v1.1, as Determined by Blinded Independent Central Review (BICR)
Time Frame: Up to approximately 3 years
Up to approximately 3 years

Secondary Outcome Measures

Outcome Measure
Time Frame
Overall Survival (OS)
Time Frame: Up to approximately 5 years
Up to approximately 5 years
Duration of Response (DOR) per RECIST v1.1
Time Frame: Up to approximately 3 years
Up to approximately 3 years
Number of Participants with Treatment-emergent Adverse Events (TEAEs)
Time Frame: Up to approximately 3 years
Up to approximately 3 years
PFS per RECIST v1.1, as Determined by Investigator
Time Frame: Up to approximately 3 years
Up to approximately 3 years
Objective Response Rate (ORR) per RECIST v1.1
Time Frame: Up to approximately 3 years
Up to approximately 3 years
Progression-free Survival on the Next Line of Therapy After the First Progression (PFS2)
Time Frame: Up to approximately 3 years
Up to approximately 3 years
Time to First Subsequent Therapy (TFST)
Time Frame: Up to approximately 3 years
Up to approximately 3 years
Cancer Antigen 125 (CA-125) Response per Gynecologic Cancer Intergroup (GCIG) Criteria
Time Frame: Up to approximately 3 years
Up to approximately 3 years
Overall Change from Baseline in Global Health Status (GHS)/Quality of Life (QoL) Score Using the European Organisation for Research and Treatment of Cancer Quality of Life Questionnaire Core 30 (EORTC QLQ C30)
Time Frame: Baseline up to approximately 3 years
Baseline up to approximately 3 years
Time to Deterioration (TTD) in the GHS/QoL Score Using the EORTC QLQ C30 Questionnaire
Time Frame: Up to approximately 3 years
Up to approximately 3 years

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Genmab

Investigators

  • Study Director: Study Official, Genmab

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Estimated)

July 1, 2026

Primary Completion (Estimated)

December 1, 2029

Study Completion (Estimated)

November 1, 2031

Study Registration Dates

First Submitted

April 27, 2026

First Submitted That Met QC Criteria

April 27, 2026

First Posted (Actual)

May 4, 2026

Study Record Updates

Last Update Posted (Actual)

May 4, 2026

Last Update Submitted That Met QC Criteria

April 27, 2026

Last Verified

April 1, 2026

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

  • GCT1184-07
  • 2025-524202-15 (Other Identifier: EU CT No.)
  • GOG-3143 (Other Identifier: Other Identifier)
  • ENGOT-ov103 (Other Identifier: Other Identifier)
  • GEICO-177-O (Other Identifier: Other Identifier)
  • APGOT-ov21 (Other Identifier: Other Identifier)
  • LACOG 0126-EVA (Other Identifier: Other Identifier)

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

Yes

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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