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New study checks blood thinner levels in elderly heart patients

NCT ID NCT02894450

Knowledge-focused Sponsor: Nantes University Hospital Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

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

Summary

This study looked at 70 people aged 75 and older with atrial fibrillation who were taking a Xaban blood thinner (dabigatran, rivaroxaban, or apixaban) during an unplanned hospital stay. Researchers wanted to see if certain clinical or lab factors were linked to higher drug levels in the blood. The goal was to better understand how these medications behave in older patients, not to test a new treatment.

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

Study facts

What this study's own registry entry says, in plain language.

Participants

70 people

The number who actually took part.

Start date

Dec 2014

Finished

Dec 2015

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

All patients over 75 years under anticoagulant treatment 'xaban' (dabigatran, rivaroxaban, Apixaban) for atrial fibrillation, hospital unscheduled manner in Medicine and Geriatric services Versatile Service Home Emergency CHU Nantes and where a hemostatic balance is expected to be offered the study. The recruitment will be made on a 6-month period (November 2014 - April 2015). Bioassay 'xaban' will be made from the remainder of the tube removed for hemostasis tests provided in the usual care of patients.

Ages

75 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Age ≥ 75 years * Entering SAU or MPG (Nantes University Hospital) as part of an unscheduled hospitalization for acute or subacute disease (About MPG, will be included patients admitted to the department within 48 hours of calling the doctor) * In xaban to entry (dabigatran, rivaroxaban, Apixaban) for non-valvular atrial fibrillation * In whom hemostasis tests will be prescribed as part of usual care * Patient has given its verbal agreement Exclusion criteria Patients with the following criteria may not be included: * Patients refusing to participate in the study * Patients under guardianship * Inability to obtain the date and time of the last dose of xaban

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Conditions

The condition(s) this trial relates to.

atrial fibrillation

As listed by the trial registrant

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

Atrial fibrillation

Contacts and locations

Locations

  • CHU de Nantes

    Nantes, 44093, France

More trials for these conditions

Other studies related to the condition(s) this trial covers.