Study questions need for extra lymph node removal in certain breast cancers
NCT ID NCT07546695
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study reviews medical records of 600 people with HER2+ or triple-negative breast cancer who had chemotherapy and still had cancer in their lymph nodes. The goal is to see if skipping additional lymph node removal (axillary dissection) leads to more cancer coming back in the armpit. By analyzing past data, researchers hope to find out when this extra surgery is truly needed.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
What this could lead to
If successful, this study could help doctors decide when it is safe to skip additional lymph node surgery after chemotherapy for certain breast cancers, reducing side effects.
What could go wrong
This is a retrospective study that looks back at past medical records, not a controlled experiment. Results may not apply to all patients, and the findings are observational, not definitive.
Disclaimer
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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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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
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Study contacts
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
Locations
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Department Breast, Abdomen, Pelvis; Universitätsspital Basel
RECRUITINGBasel, 4031, Switzerland
Contact Email: •••••@•••••
Contact Phone: •••-•••-•••• Email: •••••@•••••