CI

At a glance

ClinicalIndex Comparison Record
Phase 3Active· 366 enrolled
Drug / intervention
Olaparib +1 moredrug
Likely dose
Olaparib 300 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/NCT04884360
NCT04884360Phase 3Active

A Randomised, Double-blind, Placebo-controlled, Phase III Study of Olaparib Maintenance Monotherapy in Participants With BRCA Wild Type Advanced High Grade Serous or Endometrioid Ovarian Cancer Following Response to Standard First-line Platinum-based Chemotherapy (MONO-OLA1)

AstraZeneca·interventional·Posted May 13, 2021·Updated Mar 2, 2026

In Brief

A Phase 3 clinical trial evaluating Olaparib and Matching placebo for Ovarian Cancer. Active but no longer recruiting, targeting 366 participants across 89 sites in 10 countries.

Detailed Summary

This is a Phase III, randomised, double-blind, placebo-controlled, multicentre, international study assessing the efficacy and safety of maintenance olaparib compared with placebo in BRCAwt participants with Stage III to IV high grade serous or endometroid ovarian cancer (including fallopian tube cancer or primary peritoneal cancer) who are in complete or partial response following treatment with standard first-line platinum-based chemotherapy.

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
ConditionsOvarian Cancer
CountriesChile, China, Colombia, India, Peru, Russia, South Africa, Turkey (Türkiye), Ukraine, Vietnam
Collaborators--

Timeline

Phase 3Active
202220232024202520262027
First PostedMay 13, 2021
Enrollment StartMay 31, 2021
Primary CompletionJul 27, 2026
Study CompletionJul 27, 2027
TodayJul 1, 2026
Enrollment to primary: 5.2 yearsPosted 5.1 years agoPrimary completion in 26 days

Interventions

Olaparibdrug

Olaparib tablets 300 mg oral twice daily

Matching placeboother

Matching placebo tablets taken orally at a dose of 300 mg twice daily