Keto diet plus breast cancer drug shows promise in small study

NCT ID NCT03962647

First seen May 06, 2026

Summary

This early-phase study tested whether a 2-week very low-carbohydrate (ketogenic) diet combined with the drug letrozole is feasible and tolerable for people with early-stage estrogen receptor-positive (ER+) breast cancer. 31 postmenopausal women participated before surgery. The goal was to see if the diet could be followed and if it affected cancer cell growth and insulin signaling.

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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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Contacts and locations

Locations

  • Vanderbilt-Ingram Cancer Center

    Nashville, Tennessee, 37232, United States

Conditions

The condition(s) this trial relates to.

estrogen-receptor positive breast cancer

As listed by the trial registrant

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