New vaccine combo aims to supercharge immune attack on breast cancer

NCT ID NCT03632941

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

Summary

This study tested whether adding a HER2-targeting vaccine (VRP-HER2) to the immunotherapy drug pembrolizumab could boost the immune system's attack on advanced HER2-positive breast cancer. Eight participants were randomly assigned to receive the vaccine alone, pembrolizumab alone, or both together. The main goal was to see if the combination increased T-cell activity against the cancer, while also monitoring safety.

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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

  • Duke University

    Durham, North Carolina, 27710, United States

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