Keytruda takes on genetic weak spots in advanced tumors

NCT ID NCT03428802

First seen Apr 09, 2026 · Last updated Jun 23, 2026 · Updated 14 times

Summary

This phase 2 trial tests whether pembrolizumab (Keytruda) can shrink or control advanced solid tumors that have certain gene mutations (BRCA1, BRCA2, POLE, POLD1). The study enrolled 21 adults with cancers that have spread or come back. Researchers measure how many patients see their tumors shrink or disappear using standard imaging criteria.

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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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Contacts and locations

Locations

  • Laura & Isaac Perlmutter Cancer Center at NYU Langone Health

    New York, New York, 10016, United States

  • Rutgers Cancer Institute of New Jersey

    New Brunswick, New Jersey, 08903, United States

What this could mean

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

Active substance

Pembrolizumab (Keytruda)

What this could lead to

If successful, this could show that pembrolizumab helps shrink or control certain advanced cancers with specific gene mutations.

What could go wrong

This is a small, early-phase trial with only 21 participants, so results may not apply broadly. The drug may not work for all mutation types, and side effects like immune-related inflammation are possible.

Conditions

The condition(s) this trial relates to.

BRCA2-related cancer predisposition breast cancer breast neoplasm cancer invasive breast carcinoma metastatic malignant neoplasm neoplasm Neoplasm Metastasis ovarian cancer ovarian carcinoma

As listed by the trial registrant

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