Could taking pills every other day help breast cancer patients stick with treatment?
NCT ID NCT05754528
First seen Jun 27, 2026 · Last updated Jul 17, 2026 · Updated 2 times
Summary
This study looks at whether starting hormone therapy every other day for one month, then switching to daily, helps women with early breast cancer take their medication as prescribed. About 240 participants will be randomly assigned to either the standard daily dose or the gradual dosing schedule. The goal is to see if the new approach improves tolerability and long-term adherence.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 4
Runs after approval, following long-term safety and how well the treatment works in everyday use.
- Participants
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240 people
The number who actually took part.
- Started
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Jul 2023
- Expected to finish
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Feb 2030
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Patients with an early stage or locally advanced hormonal receptor positive breast cancer * Plan to receive endocrine therapy * Able to provide oral consent * Willing and able to complete questionnaires as per study protocol Exclusion Criteria: * Metastatic cancer * Adjuvant abemaciclib
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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
Locations
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The Ottawa Hospital Cancer Centre
Ottawa, Ontario, Canada
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Thunder Bay Regional Health Sciences Centre
Thunder Bay, Ontario, P7B 6V4, Canada
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Other studies related to the condition(s) this trial covers.
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