Could stroke patients on blood thinners finally get clot-busting treatment?
NCT ID NCT06241677
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looks at whether giving clot-busting drugs to stroke patients who are already on blood thinners is safe and effective. About 260 adults who had a stroke while taking common blood thinners will be enrolled. The goal is to see if this treatment can improve recovery without causing dangerous bleeding in the brain.
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.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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About 260 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Apr 2024
- Expected to finish
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Mar 2029
An estimate. End dates often move.
- Lead sponsor
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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.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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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: 1. Acute ischemic stroke patients with a last-known-well to presentation time within 4.5 hours 2. Patients who took any doses of apixaban (2.5mg or 5mg twice daily), dabigatran (110mg or 150mg twice daily), edoxaban (30mg or 60mg daily) or rivaroxaban (15mg or 20mg daily) 12-48 hours before presentation 3. National Institute of Health Stroke Scale (NIHSS) ≥ 3 4. Alberta Stroke Programme Early CT (ASPECT) score ≥ 6 5. Pre-morbid modified Rankin Scale (mRS) ≤ 3 6. Patients aged ≥ 18 years old Exclusion Criteria: 1. Initial CT brain showing intracranial haemorrhage 2. Contraindications to IVT according to current guideline recommendations \[5\], except for the use of DOAC within 12-48 hours 3. Patients with an estimated glomerular filtration rate of ≤ 30ml/min/1.73m2 4. Patients with bleeding propensities apart from the use of DOAC, e.g. platelet count of \< 100x109/L 5. Patients with significant head injury immediately prior to presentation
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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.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Chinese University of Hong Kong
RECRUITINGHong Kong, Hong Kong
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Other studies related to the condition(s) this trial covers.
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- Can an implanted heart monitor catch hidden irregular heartbeats after stroke?
- China builds national watchdog for brain blood vessel devices
- Can tiny neural exosomes help the brain heal after a severe stroke?
- Can a new antibody boost recovery after severe stroke?
- After stroke, a balloon or a stent? trial tests which rescue opens blocked brain arteries better