Sleep drug studied for breast cancer Survivors' insomnia
NCT ID NCT06162663
First seen Jun 27, 2026 · Last updated Aug 13, 2026 · Updated 2 times
Summary
This study tested whether the sleep medication suvorexant (20 mg) could help breast cancer survivors who have trouble sleeping. Participants were postmenopausal women taking hormone-blocking drugs. The study was stopped early after enrolling only 5 people, so results are limited.
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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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6 people
The number who actually took part.
- Started
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Sep 2024
- Finished
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Feb 2026
- 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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Female participants only
- 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: * Adult post menopausal breast cancer survivors (female, \> 18 years old) * current selective estrogen modulator or aromatase inhibitor use * at least 6 weeks beyond completion of definitive treatment for breast cancer * less than 5 years from time of diagnosis. Exclusion Criteria: * less than 6-month life expectancy * current steroid use * severe depression or anxiety * severe hepatic impairment * concurrent use of moderate or strong CYP3A inhibitors * current receipt of hospice care * severe mental illness * current use of greater than 40 morphine milligram equivalents daily * diagnosis of obstructive sleep apnea, narcolepsy or other sleep related illness other than insomnia * pregnancy * treatment with alternate pharmacotherapy for insomnia at the time of trial initiation * menstrual cycle within the past year
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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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MUSC Department of Family Medicine
Charleston, South Carolina, 29425, United States
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Other studies related to the condition(s) this trial covers.
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