Clot removal may help even in massive strokes, new trial hopes to prove
NCT ID NCT06388148
First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study compares two treatments for people with a severe stroke caused by a large blood clot. One group gets standard care (medication), and the other gets standard care plus a procedure to remove the clot. The goal is to see if clot removal leads to better recovery and less disability. About 286 adults with very large strokes will take part.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Endovascular thrombectomy (clot removal procedure) plus standard medical care
- What this could lead to
- If successful, this could show that clot removal improves recovery and reduces disability in people with very large strokes.
- What could go wrong
- This is an early-stage trial with only 286 participants, so results may not apply to everyone. The procedure carries risks like bleeding or vessel damage.
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 286 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jun 2024
- Expected to finish
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Jan 2027
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.
Show the full entry requirements Hide 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: 1. Age 18 years or older, and modified Rankin scale score = 0 or 1 in patients 80 years or older; 2. Acute ischemic stroke within 6 hours from last known well to randomization, or with negative MRI-FLAIR (no change on FLAIR sequence and presence of infarct on MRI-DWI) if \> 6 hours or unknown last known well time; 3. Occlusion of the internal carotid artery, M1 or M2 segment of the middle cerebral artery confirmed by CTA/MRA/DSA; 4. Baseline ASPECTS score of 0-2 or infarct core volume ≥100ml; 5. The patient or patient's representative signs a written informed consent form. Exclusion Criteria: 1. CT or MR evidence of hemorrhage; 2. Evidence of mass effect with ventricular effacement, midline shift or herniation on baseline imaging; 3. Vessel tortuosity where it is expected that the thrombectomy device will not be able to reach the occlusion site or result in unstable access; 4. History of bleeding disorders, severe heart, liver or kidney disease, or sepsis; 5. Currently participating in another investigational drug study; 6. Any terminal illness with life expectancy less than 6 months.
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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
2 sites. 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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The First Affiliated Hospital, Hengyang Medical School, University of South China
RECRUITINGHengyang, Hunan, China
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Xiangtan Central Hospital
RECRUITINGXiangtan, Hunan, 421001, China
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Other studies related to the condition(s) this trial covers.
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- Could a second Clot-Buster boost stroke recovery?
- Can a Low-Dose clot buster boost recovery after stroke clot removal?
- Stroke treatment upgrade: adding a Clot-Buster after clot removal may boost recovery
- Could lying Head-Down help stroke patients? new trial aims to find out