Elderly heart Patients' other illnesses may disrupt blood thinner stability

NCT ID NCT02841475

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

Summary

This study looked at over 2,100 patients aged 80 and older with atrial fibrillation who were taking the blood thinner warfarin. Researchers wanted to see if having multiple other health conditions (comorbidities) made it harder to keep their blood thinning levels stable. The goal is to help doctors predict which patients might need closer monitoring or a different treatment.

What this could mean

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

What this could lead to

If successful, this could help doctors identify which elderly patients are at risk of unstable blood thinning, leading to safer treatment choices.

What could go wrong

This is an observational study, not a treatment trial. It only looks at existing data, so it cannot prove cause and effect or directly improve care.

Disclaimer Read more

This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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Conditions

The condition(s) this trial relates to.

atrial fibrillation venous thromboembolism prevention target

As listed by the trial registrant

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

Contacts and locations

Locations

  • CHU de Nantes

    Nantes, 44093, France