Can a potato starch supplement ease cancer drug side effects?
NCT ID NCT07406594
First seen Feb 26, 2026 · Last updated Jun 19, 2026 · Updated 17 times
Summary
This study will track gut microbiome changes in 12 women with hormone receptor-positive breast cancer starting Verzenio (abemaciclib) therapy. Participants will take either a resistant potato starch supplement or a placebo, and provide stool samples and symptom questionnaires remotely. The goal is to see if the supplement is feasible and whether microbiome changes relate to digestive side effects like diarrhea.
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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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Contacts and locations
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Study contacts
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
Locations
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University of Vermont
Burlington, Vermont, 05401, United States
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What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
Resistant potato starch (dietary supplement)
What this could lead to
If successful, this study could point toward dietary strategies to reduce digestive side effects from Verzenio, improving quality of life for breast cancer patients.
What could go wrong
This is a very small, early feasibility study with only 12 participants. It is not designed to prove whether the supplement works, only whether the study procedures are practical. Results may not apply to all patients.
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.