Could a stroke drug help dementia patients?

NCT ID NCT03804229

First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This Phase 3 trial tests whether butylphthalide soft capsules can improve thinking, memory, and daily living skills in people with mild to moderate vascular dementia. About 707 participants are randomly assigned to receive either the drug or a placebo for 52 weeks. The study aims to confirm earlier promising results from a Phase 2 trial.

What this could mean

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

Active substance
Butylphthalide soft capsule
What this could lead to
If successful, this could provide a new treatment option to slow cognitive decline and improve daily function in people with vascular dementia.
What could go wrong
This is a Phase 3 trial, but results are not yet published. The drug may not show significant benefit over placebo, and side effects are possible.

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.

As listed by the trial registrant

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

Contacts and locations

Locations

  • Xuanwu Hospital of Capital Medical University

    Beijing, Beijing Municipality, 100053, China

More trials for these conditions

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