Study examines blood thinner use in heart patients prone to stomach bleeds
NCT ID NCT05038228
First seen Jun 27, 2026 · Last updated Jul 01, 2026 · Updated 2 times
Summary
This study looks at medical records from France to see how doctors prescribe blood thinners to people with atrial fibrillation (an irregular heartbeat) who also have a high risk of stomach bleeding. The goal is to understand which treatments are used and how often serious bleeding or strokes occur. No new treatments are being tested; instead, researchers are analyzing existing data to find patterns.
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Study facts
What this study's own registry entry says, in plain language.
- Participants
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1 person
The number who actually took part.
- Started
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Aug 2022
- Finished
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May 2026
- Lead sponsor
-
A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
Who is studied
Adult patients with a diagnosis of non-valvular atrial fibrillation being treated with anticoagulation.
- Ages
-
18 years and older
- Sex
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Anyone
- Healthy volunteers
-
Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: Patients covered by the French national health insurance general scheme With at least one reimbursement of AC treatment (apixaban, rivaroxaban, dabigatran, or VKAs) Aged ≥18 years as of the index date With a diagnosis of atrial fibrillation (AF) prior to or on the index date With at least one risk factor for gastrointestinal bleeding Exclusion Criteria: Patients with different types of AC treatment at the index date Patients with a diagnosis or procedure code indicative of rheumatic mitral valvular heart disease or valve replacement procedure Individuals with a diagnosis of VTE during the 12 months prior to or on the index date
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
-
Pfizer Investigator
London, United Kingdom
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- The impact of exercise training to patients with atrial fibrillation
- Pacemaker lead position may cut heart rhythm complication
- Can zapping the heart beat drugs for AF in heart failure?
- Heart hole or stroke trigger? global registry tracks who gets closure and what happens next
- Two ways to quiet a racing heart: trial pits hybrid ablation against standard catheter treatment
- Stroke's hidden heart rhythm clue under investigation