Can stomach cancer surgery also tame diabetes?

NCT ID NCT04284943

Recruiting now Disease control Sponsor: Korea University Anam Hospital Source: ClinicalTrials.gov ↗

First seen Aug 07, 2026 · Last updated Aug 07, 2026

Summary

This trial tests three different ways to reconnect the digestive tract after stomach cancer surgery to see which one best controls blood sugar in people who also have type 2 diabetes. Participants will be randomly assigned to one of three surgical procedures. The main goal is to see if any method helps achieve a normal blood sugar level (HbA1c below 6.5%) without diabetes medications.

What this could mean

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

Active substance: Surgical procedure: Billroth II, conventional Roux-en-Y, or long limb Roux-en-Y reconstruction after subtotal gastrectomy
What this could lead to: If successful, this could identify a surgical approach that not only treats gastric cancer but also improves or resolves type 2 diabetes, potentially reducing the need for diabetes medications.
What could go wrong: This is a relatively small trial, and results may not apply to all patients. Surgery carries risks like infection, bleeding, or digestive issues, and the effect on diabetes may vary.

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Conditions

The condition(s) this trial relates to.

gastric adenocarcinoma gastric cancer gastric neoplasm type 2 diabetes mellitus

As listed by the trial registrant

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

DIABETES MELLITUS, TYPE 2 GASTRIC CANCER

Contacts and locations

Locations

Korea University Anam Hospital
RECRUITING

Seoul, 02841, South Korea

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