New vaccine combo aims to supercharge immune attack on breast cancer

NCT ID NCT03632941

First seen Jun 27, 2026 ยท 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.

breast cancer breast neoplasm HER2 positive breast carcinoma neoplasm

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