# Evaluation of Safety and Effectiveness of the Essure (Model ESS505) Device to Prevent Pregnancy in Women

> **NCT01948882** · NA · COMPLETED · sponsor: **Bayer** · enrollment: 660 (actual)

## Conditions studied

- Contraception

## Interventions

- **DEVICE:** ESS505 (BAY1454033)

## Key facts

- **NCT ID:** NCT01948882
- **Lead sponsor:** Bayer
- **Sponsor class:** INDUSTRY
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2013-09-30
- **Primary completion:** 2015-09-16
- **Final completion:** 2024-09-12
- **Target enrollment:** 660 (ACTUAL)
- **Last updated:** 2024-10-17


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01948882

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01948882, "Evaluation of Safety and Effectiveness of the Essure (Model ESS505) Device to Prevent Pregnancy in Women". Retrieved via AI Analytics 2026-06-01 from https://api.ai-analytics.org/clinical/NCT01948882. Licensed CC0.

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