Triple therapy aims to wipe out rectal tumors before surgery

NCT ID NCT07297030

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

Summary

This phase 2 trial tests a new approach for people with high-risk locally advanced rectal cancer. Participants will receive a short course of radiation with a boost to the tumor, combined with chemotherapy (capecitabine and oxaliplatin) and an immunotherapy drug (tislelizumab). The goal is to see if this combination can make the tumor disappear completely before any surgery, potentially improving long-term outcomes. The study plans to enroll 37 adults aged 18 to 75.

What this could mean

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

Active substance
Short-course radiotherapy with simultaneous integrated boost, capecitabine, oxaliplatin, and tislelizumab (a PD-1 inhibitor)
What this could lead to
If successful, this could offer a more effective neoadjuvant treatment for high-risk rectal cancer, potentially increasing the chance of complete tumor disappearance before surgery.
What could go wrong
This is a small, early-phase trial with only 37 participants, so results may not apply to everyone. The combination of radiation, chemotherapy, and immunotherapy may cause severe side effects.

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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

  • Department of colorectal surgery, the Sixth Affiliated Hospital, Sun Yat-Sen University

    Guangzhou, Guangdong, 510000, China

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Other studies related to the condition(s) this trial covers.