Immune drug studied before colon cancer surgery

NCT ID NCT03984578

First seen Nov 18, 2025 · Last updated May 16, 2026 · Updated 17 times

Summary

This study gave 33 people with colorectal cancer the immune drug pembrolizumab before their surgery. Researchers wanted to see how the drug changed immune activity inside the tumor. The goal was to learn more about how the immune system responds, not to cure the disease.

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Contacts and locations

Locations

  • National Cancer Centre Singapore

    Singapore, 168583, Singapore

  • Sengkang General Hospital

    Singapore, 544886, Singapore

  • Singapore General Hospital

    Singapore, 169608, Singapore

Conditions

Explore the condition pages connected to this study.