Completed OBSERVATIONAL NCT00676065

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

Sponsor: Bayer

Conditions Arterial Thromboembolism Breast Cancer Venous Thromboembolism

Updated 9 times since 2017 Last updated: Nov 13, 2014 Started: Feb 28, 2001 Primary completion: Mar 31, 2011 Completion: Dec 31, 2011

This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

This observational or N/A phase trial investigates Arterial Thromboembolism and Breast Cancer and is currently completed. Bayer leads this study, which shows 9 recorded versions since 2001 — indicating limited longitudinal coverage. As an oncology study, it adds to the longitudinal record of treatment development for this indication.

Status Flow

Change History

9 versions recorded

Sep 2024 — Present [monthly]

Completed
Jul 2024 — Sep 2024 [monthly]

Completed
Jan 2023 — Jul 2024 [monthly]

Completed
Dec 2022 — Jan 2023 [monthly]

Completed
Dec 2021 — Dec 2022 [monthly]

Completed

▶ Show 4 earlier versions

Jan 2021 — Dec 2021 [monthly]

Completed
Jun 2018 — Jan 2021 [monthly]

Completed
Apr 2018 — Jun 2018 [monthly]

Completed

Phase: NA → None
Jan 2017 — Apr 2018 [monthly]

Completed NA

First recorded

Feb 2001

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

Bayer
Center for Epidemiology and Health Research, Germany

Data source: Center for Epidemiology and Health Research, Germany

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations

• Berlin, Germany