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Completed Phase 2 Interventional Results available

A Study to Evaluate the Efficacy and Safety of Novel Treatment Combinations in Participants With Ovarian Cancer

ClinicalTrials.gov ID: NCT03574779

Public ClinicalTrials.gov record NCT03574779. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Oct 22, 2026, 8:47 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

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)

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

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 identification

NCT ID
NCT03574779
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2
Lead sponsor
Tesaro, Inc.
Industry
Enrollment
77 participants

Conditions and interventions

Interventions

Drug · Biological

Eligibility (public fields only)

Age range
18 Years and older
Sex
Female
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Nov 15, 2018 (Actual)
Primary completion
Jun 28, 2024 (Actual)
Completion
Mar 31, 2025 (Actual)
Last update posted
Jul 15, 2025

2018 – 2025

United States locations

U.S. sites
19
U.S. states
14
U.S. cities
18
Facility City State ZIP Site status
GSK Investigational Site Birmingham Alabama 35249 —
GSK Investigational Site Los Angeles California 90095 —
GSK Investigational Site San Francisco California 94109 —
GSK Investigational Site Stanford California 94304 —
GSK Investigational Site Ventura California 93003 —
GSK Investigational Site Tampa Florida 33606 —
GSK Investigational Site Chicago Illinois 60637 —
GSK Investigational Site Scarborough Maine 04074 —
GSK Investigational Site Baltimore Maryland 27710 —
GSK Investigational Site Boston Massachusetts 02114 —
GSK Investigational Site Boston Massachusetts 02215 —
GSK Investigational Site Rochester Minnesota 55905 —
GSK Investigational Site St Louis Missouri 63141 —
GSK Investigational Site New York New York 10029 —
GSK Investigational Site Rochester New York 14642 —
GSK Investigational Site Oklahoma City Oklahoma 73104 —
GSK Investigational Site Sioux Falls South Dakota 57105 —
GSK Investigational Site Houston Texas 77030 —
GSK Investigational Site Seattle Washington 98104 —

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 9 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT03574779, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Jul 15, 2025 · Synced Oct 22, 2026

Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.

Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT03574779 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →