Scientists dig into tumor DNA to crack immunotherapy resistance

NCT ID NCT03291028

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

Summary

This study examines stored tumor samples from 15 people with kidney or bladder cancer who initially responded to immune checkpoint therapy but later developed new tumors. Researchers will compare the genetic and tissue features of the original and new tumors to understand how the cancer escaped the immune attack. The goal is to uncover clues about resistance, which could guide future treatments.

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 research could reveal why some cancers stop responding to immunotherapy, pointing toward new ways to overcome resistance.
What could go wrong
This is a small, observational study (15 participants) that only looks at stored tumor samples. It will not directly test any new treatment, and findings may not apply to all patients.

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

  • Fox Chase Cancer Center - Philadelphia

    Philadelphia, Pennsylvania, 19111-2497, United States

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