Massive registry aims to uncover hidden risks of blood thinners in heart patients

NCT ID NCT04347187

Recruiting now Knowledge-focused Sponsor: National Medical Research Center for Cardiology, Ministry of Health of Russian Federation Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This registry is tracking 2,000 people with atrial fibrillation who are taking blood thinners for a long time. The goal is to see how often serious bleeding or clotting events happen. Researchers will also look at genetic factors that might affect risk. This is an observational study, not a treatment trial.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance: anticoagulants (blood thinners)
What this could lead to: If successful, this registry could help doctors better predict and prevent dangerous bleeding or clotting events in people with atrial fibrillation on long-term blood thinners.
What could go wrong: This is an observational registry, not a controlled trial, so it cannot prove cause and effect. Results may not apply to all patient groups.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

atrial fibrillation coronary artery disorder

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

ATRIAL FIBRILLATION

Contacts and locations

Locations

National Medical Research Center for Cardiology, Ministry of Health of Russian Federation
RECRUITING

Moscow, 121552, Russia

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