2,000 brain bleed patients join hunt for recovery clues

NCT ID NCT07270419

Recruiting now Knowledge-focused Sponsor: Xiaolin Chen, MD Source: ClinicalTrials.gov ↗

First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study enrolls 2,000 adults who had a brain bleed from a ruptured aneurysm. Researchers will collect blood, spinal fluid, urine, and stool samples to analyze genes, proteins, and other molecules. The goal is to understand why some patients develop serious complications like delayed brain injury or pneumonia, and why recovery varies so widely. No new treatment is being tested—this is a fact-finding mission to guide future care.

What this could mean

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

What this could lead to: If successful, this could reveal new biomarkers to predict complications like delayed brain injury after a brain bleed, pointing toward better monitoring or treatments.
What could go wrong: This is an observational study, not a treatment trial. It will not directly improve outcomes, and the findings may not lead to immediate clinical changes.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

acquired aneurysmal subarachnoid hemorrhage subarachnoid hemorrhage

As listed by the trial registrant

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

ANEURYSMAL SUBARACHNOID HEMORRHAGE

Contacts and locations

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Study contacts

Contact

Phone: •••-•••-•••• Email: •••••@•••••

Locations

Beijing Tiantan Hospital
RECRUITING

Beijing, Beijing Municipality, 100070, China

Contact Phone: •••-•••-•••• Email: •••••@•••••

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