# FR01 and FR20 IUS (Intrauterine System) Wearing Study

> **NCT01595022** · PHASE1 · COMPLETED · sponsor: **Bayer** · enrollment: 90 (actual)

## Conditions studied

- Contraception

## Interventions

- **DRUG:** Placebo: Flexi ring FR01
- **DRUG:** Placebo: Flexi ring FR20
- **DRUG:** Placebo: Ultra low dose levonorgestrel contraceptive system (LCS)

## Key facts

- **NCT ID:** NCT01595022
- **Lead sponsor:** Bayer
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE1
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2010-01
- **Primary completion:** 2010-09
- **Final completion:** 2010-09
- **Target enrollment:** 90 (ACTUAL)
- **Last updated:** 2015-04-03


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01595022

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01595022, "FR01 and FR20 IUS (Intrauterine System) Wearing Study". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT01595022. Licensed CC0.

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