# A Study for Post-Marketing Surveillance of Niraparib in the Treatment of Adult Participants for Approved Indications in South Korea

> **NCT04589039** · — · COMPLETED · sponsor: **Takeda** · enrollment: 662 (actual)

## Conditions studied

- Ovarian Neoplasms

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT04589039
- **Lead sponsor:** Takeda
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2020-03-16
- **Primary completion:** 2024-09-11
- **Final completion:** 2024-09-11
- **Target enrollment:** 662 (ACTUAL)
- **Last updated:** 2024-12-11


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04589039

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04589039, "A Study for Post-Marketing Surveillance of Niraparib in the Treatment of Adult Participants for Approved Indications in South Korea". Retrieved via AI Analytics 2026-09-25 from https://api.ai-analytics.org/clinical/NCT04589039. Licensed CC0.

---

*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*