Tiny biopsy vs. big surgery: which gives the better cancer diagnosis?
NCT ID NCT04809025
First seen Nov 01, 2025 · Last updated May 23, 2026 · Updated 33 times
Summary
This study compares two ways to diagnose stomach cancer: using a small sample taken during an endoscopy (biopsy) versus using the whole tumor removed during surgery. The goal is to see if the biopsy alone can reliably determine the cancer type, grade, and key markers like HER-2 and MSI status. About 510 adults with stomach cancer who are scheduled for surgery will participate. If successful, patients may get accurate diagnoses without needing surgery just for testing.
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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.
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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Study contacts
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
Locations
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Fudan University Shanghai Cancer Center
RECRUITINGShanghai, Shanghai Municipality, 200000, China
Contact Phone: •••-•••-•••• Email: •••••@•••••
Conditions
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