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Brain aneurysm patients: how does clopidogrel affect you?

NCT ID NCT05945563

Knowledge-focused Sponsor: Methodist Health System 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 completed study looked at 208 people with cerebral aneurysms who were treated with clopidogrel, a blood thinner. Researchers wanted to find out how many patients are overly sensitive to the drug and what happens to them. The goal is to better understand risks and improve care for these patients.

What this could mean

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

Active substance
clopidogrel
What this could lead to
If successful, this study could help doctors better understand how clopidogrel affects some patients with brain aneurysms, potentially leading to safer treatment plans.
What could go wrong
This is an observational registry study, not a controlled trial, so it cannot prove cause and effect. Results may not apply to all patients or settings.

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

208 people

The number who actually took part.

Started

Jan 2023

Finished

Jul 2025

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

Age 18 years or older Diagnosed with cerebral aneurysms (i.e. ICD-10 i67.1) Pre-intervention treatment with clopidogrel

Ages

18 to 85 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

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 18 years or older Diagnosed with cerebral aneurysms (i.e. ICD-10 i67.1) Pre-intervention treatment with clopidogrel Exclusion Criteria: * Does not meet inclusion criteria specified in 3.1

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Conditions

The condition(s) this trial relates to.

brain aneurysm

As listed by the trial registrant

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

Cerebral aneurysm

Contacts and locations

Locations

  • Methodist Dallas Medical Center

    Dallas, Texas, 75203, United States

More trials for these conditions

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