Skull injection could bypass brain barrier for stroke patients

NCT ID NCT07514949

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This early study tests whether a drug called RK-4 can be safely injected through the skull into the brain of people having a severe stroke. Only 6 participants will receive the injection once a day for 3 days, using a special device. The main goal is to see if the procedure is feasible and safe, not yet to prove it improves outcomes.

What this could mean

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

Active substance

RK-4 (a neuroprotective drug)

What this could lead to

If successful, this could point toward a new way to deliver stroke treatments directly to the brain, potentially improving recovery for patients who cannot have standard clot-removal therapy.

What could go wrong

This is a very early, tiny pilot study with only 6 people. It is designed mainly to check safety and whether the injection method works, not to prove the drug helps. There are risks like infection, bleeding, or the procedure being too uncomfortable.

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 infarction ischemic stroke stroke disorder

As listed by the trial registrant

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

Contacts and locations

Study contacts

  • Contact

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

Locations

  • Beijing Tiantan Hospital

    Beijing, China