Scientists launch Largest-Ever study of rare bladder and genital cancers

NCT ID NCT04923178

First seen Jun 26, 2026 · Last updated Aug 11, 2026 · Updated 7 times

Summary

This study follows 1,100 adults with rare urinary tract cancers, such as unusual bladder, kidney, testicular, or penile cancers. Researchers will collect medical records, blood and tumor samples, and imaging over many years to understand how these cancers grow and respond to treatment. The goal is to fill knowledge gaps and improve care for these often-overlooked cancers.

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 study could provide crucial insights into how rare urinary tract cancers behave, helping doctors develop better treatment guidelines.
What could go wrong
This is an observational study, not a treatment trial. It will not directly test any new therapy, and results may take years to influence patient care.

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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

  • National Institutes of Health Clinical Center

    RECRUITING

    Bethesda, Maryland, 20892, United States

More trials for these conditions

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