# A Study to Learn More About Using Dienogest to Treat Endometriosis in Chinese Participants

> **NCT04495855** · — · COMPLETED · sponsor: **Bayer** · enrollment: 968 (actual)

## Conditions studied

- Endometriosis

## Interventions

- **DRUG:** Dienogest (Visanne,BAY86_5258)

## Key facts

- **NCT ID:** NCT04495855
- **Lead sponsor:** Bayer
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2020-10-28
- **Primary completion:** 2022-12-23
- **Final completion:** 2022-12-23
- **Target enrollment:** 968 (ACTUAL)
- **Last updated:** 2023-12-12


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04495855

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04495855, "A Study to Learn More About Using Dienogest to Treat Endometriosis in Chinese Participants". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT04495855. Licensed CC0.

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