# Long-term Active Surveillance Study for Oral Contraceptives (LASS)

> **NCT00676065** · — · COMPLETED · sponsor: **Center for Epidemiology and Health Research, Germany** · enrollment: 58303 (actual)

## Conditions studied

- Arterial Thromboembolism
- Venous Thromboembolism
- Breast Cancer

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT00676065
- **Lead sponsor:** Center for Epidemiology and Health Research, Germany
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2001-02
- **Primary completion:** 2011-03
- **Final completion:** 2011-12
- **Target enrollment:** 58303 (ACTUAL)
- **Last updated:** 2014-11-19

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00676065

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00676065, "Long-term Active Surveillance Study for Oral Contraceptives (LASS)". Retrieved via AI Analytics 2026-07-20 from https://api.ai-analytics.org/clinical/NCT00676065. Licensed CC0.

---

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