CI

At a glance

ClinicalIndex Comparison Record
Phase 2Completed· 77 enrolled
Drug / intervention
Niraparib +4 moredrug
Likely dose
Carboplatin 6 mgfrom record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT03574779
NCT03574779Phase 2Completed

A Phase 1B/2 Multicohort Umbrella Study to Evaluate the Safety and Efficacy of Novel Treatments And/Or Combinations of Treatments in Participants With Ovarian Cancer (OPAL)

Tesaro, Inc.·interventional·Posted Jul 2, 2018·Updated Jul 15, 2025

In Brief

A Phase 2 clinical trial evaluating Niraparib, TSR-042, and 3 other interventions for Ovarian Neoplasms. Completed, enrolled 77 participants across 28 sites in 3 countries.

Detailed Summary

This study will evaluate the efficacy and safety of niraparib and novel treatment combinations of niraparib as described within each cohort-specific supplement in participants with ovarian, fallopian tube, or primary peritoneal cancer. Cohort A (single arm) includes participants with recurrent ovarian cancer. Cohort B will not be initiated. Cohort C (randomized-2 arms) includes participants with newly diagnosed ovarian cancer.

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
CountriesCanada, Spain, United States
Collaborators--

Timeline

Phase 2CompletedFinished
20192020202120222023202420252026
First PostedJul 2, 2018
Enrollment StartNov 15, 2018
Primary CompletionJun 28, 2024
Study CompletionMar 31, 2025
TodayJul 2, 2026
Enrollment to primary: 5.6 yearsPosted 8 years ago

Interventions

Niraparibdrug

Niraparib is a potent, orally active PARP1 and PARP2 inhibitor being developed as a treatment for participants with tumors that harbor defects in the homologous recombination deoxyribonucleic acid (DNA) repair pathway or that are driven by PARP-mediated transcription factors.

TSR-042biological

TSR-042 is a humanized monoclonal antibody that binds with high affinity to Programmed cell death protein 1 (PD-1) resulting in inhibition of binding to programmed death receptor ligands 1 and 2 (PD-L1 and PD-L2).

Bevacizumabbiological

Bevacizumab is an Food Drug and Administration (FDA) approved antiangiogenic recombinant humanized monoclonal Immunoglobulin (Ig) G1 antibody against the vascular endothelial growth factor protein, which has been shown to be efficacious against a variety of different cancer types, including colon cancer, lung cancer, glioblastoma, and renal-cell carcinoma.

Carboplatindrug

Carboplatin will be infused intravenously over 60 minutes at the prescribed dose of area under the concentration versus time curve of 5 to 6 mg/milliliters (mL) per minute on Day 1 of every 21-day cycle

Paclitaxeldrug

Paclitaxel will be administered intravenously over 180 minutes at the prescribed dose of 175 mg/meter square (m\^2) on Day 1 of every 21-day cycle