# Drug-drug Interaction of BI 201335 and Microgynon

> **NCT01570244** · PHASE1 · COMPLETED · sponsor: **Boehringer Ingelheim** · enrollment: 16 (actual)

## Conditions studied

- Hepatitis C, Chronic

## Interventions

- **DRUG:** levonorgestrel
- **DRUG:** Ethinylestradiol
- **DRUG:** levonorgestrel
- **DRUG:** BI 201335
- **DRUG:** Ethinylestradiol

## Key facts

- **NCT ID:** NCT01570244
- **Lead sponsor:** Boehringer Ingelheim
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE1
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2012-04
- **Primary completion:** 2012-08
- **Final completion:** 2012-08
- **Target enrollment:** 16 (ACTUAL)
- **Last updated:** 2015-08-03


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01570244

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01570244, "Drug-drug Interaction of BI 201335 and Microgynon". Retrieved via AI Analytics 2026-05-29 from https://api.ai-analytics.org/clinical/NCT01570244. Licensed CC0.

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