Could a blood pressure cuff boost brain recovery after aneurysm surgery?
NCT ID NCT06819657
First seen Jun 26, 2026 · Last updated Jun 26, 2026
Summary
This study tests whether a non-invasive treatment called remote ischemic conditioning (RIC) can help people recover after surgery for a ruptured brain aneurysm. RIC involves using a blood pressure cuff on the leg to create brief, harmless blood flow interruptions, which may trigger protective effects in the brain. The trial will enroll 40 adults who had aneurysm clipping surgery, giving them RIC twice daily for a week alongside standard care, to see if it reduces complications and improves neurological function.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Remote ischemic conditioning (using a blood pressure cuff on the leg to create brief, harmless blood flow interruptions)
- What this could lead to
- If it works, this could offer a simple, non-drug way to reduce complications and improve recovery after brain aneurysm surgery.
- What could go wrong
- This is a very early, small trial with only 40 people, so results may not apply widely. The treatment may cause limb pain or skin damage, and it is unclear if it will actually improve outcomes.
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 40 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Mar 2025
- Expected to finish
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Mar 2026
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 to 80 years
- 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. Imaging examination confirmed aneurysmal subarachnoid hemorrhage. 2. Responsible aneurysms received craniotomy clipping within 24 hours. 3. 18≤ age ≤80 years old. 4. Informed consent of the participant or legally authorized representative Exclusion Criteria: 1. Patients with other types of cerebral hemorrhage. 2. Prior neurological impairment (mRS Score \>1) or mental illness may confuse neurological or functional assessment. 3. Severe comorbidities with a life expectancy of less than 90 days. 4. Refractory hypertension (systolic blood pressure 180\>mmHg or diastolic blood pressure 110\>mmHg). 5. RIC contraindications: severe soft tissue injury of lower limbs. 6. Simultaneously participate in another research program to study a different experimental therapy. 7. Any condition that the investigator believes may increase the patient's risk.
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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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Beijing Tiantan Hospital
RECRUITINGBeijing, Beijing Municipality, 100000, China
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