Tiny implant could replace spinal taps for brain tumor monitoring

NCT ID NCT06322602

Recruiting now Knowledge-focused Sponsor: Mayo Clinic Source: ClinicalTrials.gov ↗

First seen Jun 24, 2026 · Last updated Aug 06, 2026 · Updated 6 times

Summary

This study looks at whether placing a small device called an Ommaya reservoir under the scalp during a brain tumor biopsy allows doctors to safely collect fluid samples from the brain over time. Researchers want to see if this method works better than repeated spinal taps for tracking tumor growth. The trial involves 20 people with brain tumors and focuses on feasibility and safety.

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 approach could make it easier to monitor brain tumors over time using fluid samples instead of repeated spinal taps.
What could go wrong: This is a very small, early feasibility study with only 20 participants. It does not test any treatment, so it may not lead to direct patient benefits.

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.

brain cancer brain neoplasm

As listed by the trial registrant

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

BRAIN NEOPLASMS

Contacts and locations

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Locations

Mayo Clinic in Rochester
RECRUITING

Rochester, Minnesota, 55905, United States

Contact Email: •••••@•••••

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