Can a Two-Drug punch revive immunotherapy for tough bladder cancers?

NCT ID NCT06439836

First seen Jun 26, 2026 · Last updated Jul 01, 2026 · Updated 2 times

Summary

This early-phase trial is testing whether adding an experimental drug called emavusertib (CA-4948) to the immunotherapy pembrolizumab can help patients with advanced urothelial cancer whose tumors have become resistant to PD-1/PD-L1 blockers. The study will enroll 27 adults and focus on finding the safest dose and checking for side effects, while also watching for any signs that the combination might shrink tumors. It is currently recruiting participants.

What this could mean

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

Active substance

emavusertib (CA-4948) combined with pembrolizumab

What this could lead to

If successful, this could point toward a new treatment option for patients whose urothelial cancer has stopped responding to standard immunotherapy.

What could go wrong

This is a very early Phase 1 trial with only 27 people, so safety and the right dose are the main goals—not yet proof of effectiveness. The combination may cause side effects or fail to shrink tumors.

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.

bladder transitional cell carcinoma transitional cell carcinoma urinary bladder carcinoma urothelial carcinoma

As listed by the trial registrant

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

Contacts and locations

Locations

  • City of Hope Comprehensive Cancer Center

    RECRUITING

    Duarte, California, 91010, United States

    Contact

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

  • Emory Saint Joseph's Hospital

    RECRUITING

    Atlanta, Georgia, 30342, United States

    Contact

    Contact Phone: •••-•••-••••

  • Emory University Hospital Midtown

    RECRUITING

    Atlanta, Georgia, 30308, United States

    Contact

    Contact Phone: •••-•••-••••

  • Emory University Hospital/Winship Cancer Institute

    RECRUITING

    Atlanta, Georgia, 30322, United States

    Contact

    Contact Phone: •••-•••-••••

  • Mount Sinai Hospital

    RECRUITING

    New York, New York, 10029, United States

    Contact

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

  • NYP/Weill Cornell Medical Center

    RECRUITING

    New York, New York, 10065, United States

    Contact

    Contact Phone: •••-•••-••••

  • UC Irvine Health/Chao Family Comprehensive Cancer Center

    RECRUITING

    Orange, California, 92868, United States

    Contact

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

  • UC San Diego Moores Cancer Center

    RECRUITING

    La Jolla, California, 92093, United States

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

    Contact

  • UCI Health - Chao Family Comprehensive Cancer Center and Ambulatory Care

    RECRUITING

    Irvine, California, 92612, United States

    Contact

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

  • UT Southwestern/Simmons Cancer Center-Dallas

    RECRUITING

    Dallas, Texas, 75390, United States

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

    Contact

  • University of Miami Miller School of Medicine-Sylvester Cancer Center

    RECRUITING

    Miami, Florida, 33136, United States

    Contact

    Contact Phone: •••-•••-••••