New combo attack on stomach cancer shows promise in small trial

NCT ID NCT05379972

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This phase 2 trial tested a combination of radiation, a targeted drug (olaparib), and an immunotherapy (pembrolizumab) in 9 people with advanced stomach or gastroesophageal junction cancer that had spread. The goal was to see if this approach could shrink tumors that were not directly irradiated. The study is complete, but results are not yet widely available.

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), Olaparib (Lynparza), and Stereotactic Body Radiation Therapy (SBRT)

What this could lead to

If successful, this combination could point toward a new treatment option for advanced gastric and GEJ cancers that have not responded to prior therapy.

What could go wrong

This is a very small, early-phase trial with only 9 participants. Results may not apply to all patients, and the combination may cause significant side effects without improving outcomes.

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.

gastric adenocarcinoma gastric cancer gastric neoplasm gastroesophageal cancer gastroesophageal junction adenocarcinoma

As listed by the trial registrant

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

Contacts and locations

Locations

  • UCHealth Highlands Ranch Hospital

    Highlands Ranch, Colorado, 80129, United States

  • UCHealth Memorial Hospital Central

    Colorado Spring, Colorado, 80909, United States

  • UCHealth Memorial Hospital North

    Colorado Springs, Colorado, 80909, United States

  • University of Colorado Health

    Aurora, Colorado, 80045, United States