Clinical trialNCT06580314RecruitingPhase 3Interventional

Testing Olaparib for One or Two Years, With or Without Bevacizumab, to Treat Ovarian Cancer

SponsorNRG OncologyEnrollment880FIGO Stage III Ovarian Cancer 2014FIGO Stage IV Ovarian Cancer 2014Fallopian Tube Endometrioid AdenocarcinomaFallopian Tube High Grade Serous AdenocarcinomaOvarian CarcinomaOvarian High Grade Endometrioid Adenocarcinoma+3 more conditions

View the registry record on ClinicalTrials.gov

Summary

The registered summary isn't in our current data snapshot. Read it on the ClinicalTrials.gov record ↗. Why? →

Investigators

The overall officials registered on this study. Names that resolve to a findmyKOL profile link to it; the rest are shown as registered.

Ying Liu
NRG Oncology
Principal Investigator
clinicaltrials.gov ↗

A profile link is shown only when the registered name resolves to a person record with a confident, namesake-checked match; ambiguous names stay unlinked.

Sites

676 registered facilities, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.

Japan

Tohoku University School of Medicine
Sendai, Aoba-ku, Japan
Yusuke Shibuya
Recruiting
Ehime University Hospital
Tōon, Ehime, Japan
Takashi Matsumoto
Recruiting
Kure Medical Center and Chugoku Cancer Center
Kure, Hiroshima, Japan
Masatoshi Kumagai
Recruiting
Hokkaido University Hospital
Sapporo, Hokkaido, Japan
Hidemichi Watari
Recruiting
Hyogo Cancer Center
Akashi, Hyōgo, Japan
Kasumi Yamamoto
Recruiting
Iwate Medical University Hospital
Shiwa-gun, Iwate, Japan
Masahiro Kagabu
Recruiting
Kagoshima City Hospital
Kagoshima, Kagoshima-ken, Japan
Toshiaki Nakamura
Recruiting
the Cancer Institute Hospital of Jfcr
Koto-ku, Tokyo, Japan
Mayu Yunokawa
Recruiting
Keio University
Shinjuku-ku, Tokyo, Japan
Wataru Yamagami
Recruiting
Jikei University School of Medicine
Minato-ku, Tokyo, Japan
Nozomu Yanaihara
Recruiting
Okayama University Hospital
Okayama, Japan
Shoji Nagao
Recruiting

Puerto Rico

Cancer Center-Metro Medical Center Bayamon
Bayamón, Puerto Rico
Luis J. Santos Reyes
Recruiting
Puerto Rico Hematology Oncology Group
Bayamón, Puerto Rico
Luis J. Santos Reyes
Recruiting
Doctors Cancer Center
Manati, Puerto Rico
Luis J. Santos Reyes
Recruiting
Centro Comprensivo de Cancer de Upr
San Juan, Puerto Rico
Luis J. Santos Reyes
Recruiting
Proncology
San Juan, Puerto Rico
Luis J. Santos Reyes
Recruiting
San Juan City Hospital
San Juan, Puerto Rico
Luis J. Santos Reyes
Recruiting
San Juan Community Oncology Group
San Juan, Puerto Rico
Luis J. Santos Reyes
Recruiting

United States

University of Alabama at Birmingham Cancer Center
Birmingham, Alabama, United States
Rebecca C. Arend
Recruiting
Alaska Breast Care and Surgery Llc
Anchorage, Alaska, United States
Dan S. Zuckerman
Recruiting
Alaska Oncology and Hematology Llc
Anchorage, Alaska, United States
Dan S. Zuckerman
Recruiting
Alaska Women'S Cancer Care
Anchorage, Alaska, United States
Dan S. Zuckerman
Recruiting
Anchorage Associates in Radiation Medicine
Anchorage, Alaska, United States
Dan S. Zuckerman
Recruiting
Katmai Oncology Group
Anchorage, Alaska, United States
Dan S. Zuckerman
Recruiting
Providence Alaska Medical Center
Anchorage, Alaska, United States
Dan S. Zuckerman
Recruiting
Cancer Center at Saint Joseph'S
Phoenix, Arizona, United States
Shahzad Siddique
Recruiting
Mayo Clinic Hospital in Arizona
Phoenix, Arizona, United States
Siddhartha Yadav
Recruiting
Highlands Oncology Group - Fayetteville
Fayetteville, Arkansas, United States
Joseph T. Beck
Recruiting
Mercy Hospital Fort Smith
Fort Smith, Arkansas, United States
Jay W. Carlson
Recruiting
Carti Cancer Center
Little Rock, Arkansas, United States
Jay W. Carlson
Recruiting
University of Arkansas for Medical Sciences
Little Rock, Arkansas, United States
Michael J. Birrer
Recruiting
Highlands Oncology Group - Rogers
Rogers, Arkansas, United States
Joseph T. Beck
Recruiting
Highlands Oncology Group
Springdale, Arkansas, United States
Joseph T. Beck
Recruiting
Kaiser Permanente-Deer Valley Medical Center
Antioch, California, United States
Juraj Kavecansky
Recruiting
Mission Hope Medical Oncology - Arroyo Grande
Arroyo Grande, California, United States
Shahzad Siddique
Recruiting
Sutter Auburn Faith Hospital
Auburn, California, United States
John K. Chan
Recruiting
Sutter Cancer Centers Radiation Oncology Services-Auburn
Auburn, California, United States
John K. Chan
Recruiting
Kaiser Permanente-Bellflower
Bellflower, California, United States
Devansu Tewari
Recruiting
Alta Bates Summit Medical Center-Herrick Campus
Berkeley, California, United States
John K. Chan
Recruiting
Tower Cancer Research Foundation
Beverly Hills, California, United States
Suspended

636 more sites on the registry record.ClinicalTrials.gov ↗

Site investigator names are published by ClinicalTrials.gov only while a study recruits, so completed studies list sites without them.

Drugs studied

No drug or biological interventions are in our data for this study — it may test a procedure, device or behavioral intervention, or the intervention list isn't in our current snapshot. See the registry record ↗. Why? →

Registration & key dates

Registry attributes as recorded on the ClinicalTrials.gov study record.

Start: 12 Mar 2025
Primary completion: 31 Dec 2034
Completion: 31 Dec 2034
Last update posted: 24 Mar 2026
Registered enrollment: 880
Registry id: NCT06580314

clinicaltrials.gov ↗

Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 12 Jul 2026. Registry facts are shown as registered by the study sponsor; findmyKOL does not interpret them.