Blood test may guide Post-Surgery cancer treatment

NCT ID NCT06609759

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

Summary

This study follows 197 people with stage II-III gastric cancer who had surgery. Researchers want to see if using a blood test (ctDNA) to guide post-surgery treatment works as well as standard chemotherapy. The goal is to learn if some patients can safely receive less intense treatment.

What this could mean

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

Active substance

standard chemotherapy regimen

What this could lead to

If successful, this could show that using a ctDNA blood test to guide treatment is as effective as standard chemotherapy, potentially allowing some patients to receive less intense therapy.

What could go wrong

This is an observational study, not a randomized trial, so results may not prove cause and effect. The findings are preliminary and need confirmation in larger trials.

Disclaimer Read more

This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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Conditions

The condition(s) this trial relates to.

gastric cancer gastric neoplasm

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Locations

  • Jinan Central Hospital,

    Jinan, Shandong, China

  • Qilu Hospital of Shandong Univertisy

    Jinan, Shandong, 250012, China

  • Shandong Provincial Hospital Affiliated to Shandong First Medical University

    Jinan, Shandong, 250012, China

  • The Affiliated Hospital of Qingdao University

    Qingdao, Shandong, 266000, China

  • Yantai Yuhuangding Hospital

    Yantai, Shandong, 264000, China