Can a TROP2-targeting drug shrink hard-to-treat small bowel cancer?

NCT ID NCT07720258

First seen Jul 22, 2026 · Last updated Jul 23, 2026 · Updated 1 time

Summary

This phase II trial tests whether sacituzumab tirumotecan, an antibody-drug conjugate that targets the TROP2 protein, can shrink tumors in people with advanced small bowel adenocarcinoma that has worsened after platinum-based chemotherapy. About 27 adults with this rare cancer will receive the drug intravenously every two weeks. The study aims to see how many patients respond and how long the benefit lasts, while also exploring why some tumors respond and others do not.

What this could mean

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

Active substance
an experimental antibody-drug conjugate called sacituzumab tirumotecan that targets the TROP2 protein on cancer cells
What this could lead to
If effective, this could become a new second-line treatment option for a rare cancer with no standard therapy after platinum-based chemotherapy fails.
What could go wrong
This is a small, single-arm phase II trial with only 27 participants, so results may not generalize. The drug also carries risks of toxicity, including infusion reactions and low blood cell counts.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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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

Study contacts

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

Locations

  • Aichi Cancer Center Hospital

    Nagoya, Japan

    Contact Phone: •••-•••-•••• Email: •••••@•••••

  • Hiroshima University Hospital

    Hiroshima, Japan

    Contact Phone: •••-•••-•••• Email: •••••@•••••

  • Kyushu University Hospital

    Fukuoka, Japan

    Contact Phone: •••-•••-•••• Email: •••••@•••••

  • National Cancer Center Hospital

    Tokyo, Japan

    Contact Phone: •••-•••-•••• Email: •••••@•••••

  • Osaka Medical and Pharmaceutical University Hospital

    Takatsuki, Japan

    Contact Phone: •••-•••-•••• Email: •••••@•••••

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