Tighter blood pressure control may reduce brain aneurysm risk

NCT ID NCT05941377

First seen Jun 25, 2026 · Last updated Jun 30, 2026 · Updated 3 times

Summary

This study tested whether lowering blood pressure more aggressively than standard care reduces the risk of rupture or growth of unruptured brain aneurysms. 577 Chinese adults with small, unruptured aneurysms and high blood pressure were randomly assigned to keep their blood pressure below 120 mmHg (enhanced) or below 140 mmHg (standard). The researchers tracked aneurysm instability, including rupture, growth, or related symptoms, over 24 months.

What this could mean

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

Active substance

blood pressure lowering (enhanced vs standard targets)

What this could lead to

If successful, this could show that tighter blood pressure control reduces the chance of a brain aneurysm rupturing or growing, offering a simple way to lower risk.

What could go wrong

This is a completed trial with 577 participants, but the results are not yet widely known. Tighter blood pressure control may increase the risk of ischemic events like stroke or heart attack.

Disclaimer Read more

This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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Conditions

The condition(s) this trial relates to.

brain aneurysm essential hypertension hypertensive disorder

As listed by the trial registrant

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

Contacts and locations

Locations

  • Capital Medical University Affiliated Beijing Tiantan Hospital

    Beijing, Beijing Municipality, China