# Visanne Post-approval Observational Study (VIPOS)

> **NCT01266421** · — · COMPLETED · sponsor: **Center for Epidemiology and Health Research, Germany** · enrollment: 27840 (actual)

## Conditions studied

- Endometriosis

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT01266421
- **Lead sponsor:** Center for Epidemiology and Health Research, Germany
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2010-12-07
- **Primary completion:** 2018-10-31
- **Final completion:** 2019-01-26
- **Target enrollment:** 27840 (ACTUAL)
- **Last updated:** 2020-07-29

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01266421

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01266421, "Visanne Post-approval Observational Study (VIPOS)". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT01266421. Licensed CC0.

---

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