- Conditions
- Ovarian Neoplasms
- Interventions
- Niraparib, Placebo
- Drug
- Lead sponsor
- Tesaro, Inc.
- Industry
- Eligibility
- 18 Years and older · Female only
- Enrollment
- 733 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2016 – 2026
- U.S. locations
- 47
- States / cities
- Tempe, Arizona • Tucson, Arizona • San Francisco, California + 41 more
Source: ClinicalTrials.gov public record
Updated Mar 9, 2026 · Synced May 22, 2026, 3:46 AM EDT