Could a probiotic boost cancer immunotherapy?

NCT ID NCT06398418

First seen Nov 01, 2025 · Last updated May 15, 2026 · Updated 25 times

Summary

This early-stage study tests an oral probiotic (R-5780) taken alongside a standard immunotherapy drug (PD-1 inhibitor) in adults with advanced solid tumors like melanoma. The main goal is to see if the combination is safe and tolerable. About 33 participants will be enrolled to assess side effects and how the treatment affects quality of life.

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.

Get updates

Get notified about this study

Sign up to get updates when this study changes or when new studies for SOLID TUMOR are added.

Our safety recommendation!

By submitting, you agree to our Terms of use

Contacts and locations

Study contacts

  • Contact

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

  • Contact

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

Locations

  • Sarah Cannon Research Institute

    RECRUITING

    Nashville, Tennessee, 37203, United States

    Contact

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

Conditions

Explore the condition pages connected to this study.