Completed PHASE4 NCT00032591

The Home INR Study

CSP #481 - The Home INR Study (THINRS)

Sponsor: US Department of Veterans Affairs

Interventions High quality anticoagulation management (HQACM) with conventional monthly testing Weekly patient self-testing of prothrombin time

Updated 9 times since 2017 Last updated: Mar 18, 2014 Started: Aug 31, 2003 Primary completion: May 31, 2008 Completion: May 31, 2008

Listed as NCT00032591, this PHASE4 trial focuses on Atrial Fibrillation and remains completed. Sponsored by US Department of Veterans Affairs, it has been updated 9 times since 2003, reflecting limited change activity. This study contributes longitudinal data to the cardiovascular research landscape.

Status Flow

Change History

9 versions recorded

Sep 2025 — Present [monthly]

Completed PHASE4
Sep 2024 — Sep 2025 [monthly]

Completed PHASE4
Jul 2024 — Sep 2024 [monthly]

Completed PHASE4
Jan 2023 — Jul 2024 [monthly]

Completed PHASE4
Dec 2022 — Jan 2023 [monthly]

Completed PHASE4

▶ Show 4 earlier versions

Jan 2021 — Dec 2022 [monthly]

Completed PHASE4
Aug 2018 — Jan 2021 [monthly]

Completed PHASE4
Jun 2018 — Aug 2018 [monthly]

Completed PHASE4
Jan 2017 — Jun 2018 [monthly]

Completed PHASE4

First recorded

Aug 2003

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

US Department of Veterans Affairs

Data source: VA Office of Research and Development

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

Study Locations

Baltimore, United States , Birmingham, United States , Buffalo, United States , Cleveland, United States , Dallas, United States , Denver, United States , Detroit, United States , Durham, United States , Fresno, United States , Hines, United States and 19 more locations