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Balloon trick after clot removal may shield the brain

NCT ID NCT06545734

Disease control Sponsor: Tianjin Huanhu 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 tested whether a special balloon procedure, called direct ischemic post-conditioning, can reduce brain injury in people who just had a stroke from a large blocked artery. Sixty patients were randomly assigned to get either standard clot removal alone or clot removal plus the balloon procedure, which briefly stops and restarts blood flow. The goal is to see if this technique limits brain damage and improves recovery.

What this could mean

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

Active substance
Direct ischemic post-conditioning (a procedure using a balloon to briefly block and restore blood flow after clot removal)
What this could lead to
If it works, this could point toward a simple, low-cost way to limit brain damage after a stroke and improve recovery.
What could go wrong
This is a small, early pilot study with only 60 participants. The procedure may not provide benefit, and there is a risk of vessel injury or bleeding from the balloon inflation.

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

Phase 2

Tests whether the treatment actually works, and watches for side effects, in a larger group.

Participants

60 people

The number who actually took part.

Started

Sep 2024

Finished

Aug 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.

Ages

18 years and older

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: 1. Ischemic stroke confirmed by CT or MRI. 2. Large vessel occlusion confirmed by CTA or MRA, including the intracranial internal 3. carotid artery (ICA) and middle cerebral artery (MCA M1/M2). 4\. Recanalization of the occluded vessel at eTICI grade 2b/3, confirmed by DSA after thrombectomy. 5\. The patient or legally authorized representative has signed an informed consent form. Exclusion Criteria: 1. Inability to perform an MRI or CT scan for any reason. 2. Presence of any condition that would interfere with neurological assessment or any psychiatric disorders. 3. Stroke onset accompanied by seizures, resulting in the inability to obtain an accurate NIHSS baseline. 4. Pregnancy. 5. Presence of other serious, advanced, or terminal illnesses.

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Conditions

The condition(s) this trial relates to.

large artery stroke stroke disorder

As listed by the trial registrant

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

Ischemic conditioning Neuroprotection Stroke, acute

Contacts and locations

Locations

  • Tianjin Huanhu Hospital

    Tianjin, Tianjin Municipality, 300070, China

More trials for these conditions

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