Could tailored tamoxifen doses keep more breast cancer patients on treatment?
NCT ID NCT07502820
First seen Apr 04, 2026 · Last updated Jun 11, 2026 · Updated 14 times
Summary
This phase 3 trial tests whether adjusting tamoxifen doses based on individual metabolism can reduce the number of breast cancer patients who stop treatment early due to side effects. About 1,100 premenopausal or perimenopausal women with hormone-sensitive breast cancer will receive either standard or personalized dosing. The goal is to improve adherence and survival outcomes.
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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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Phone: •••-•••-•••• Email: •••••@•••••
Locations
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Capio S:t Görans Sjukhus
Stockholm, 112 81, Sweden
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S:a Älvsborgs Sjukhus
Borås, 501 82, Sweden
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Skaraborgs Sjukhus
Skövde, 549 49, Sweden
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Södersjukhuset, Onkologiska kliniken
Stockholm, 118 61, Sweden
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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.