New hope for men battling hot flashes from prostate cancer treatment
NCT ID NCT06957691
First seen Jun 27, 2026 · Last updated Aug 18, 2026 · Updated 4 times
Summary
This study tests a drug called fezolinetant to see if it can reduce hot flashes in men with prostate cancer who are on hormone therapy (androgen deprivation therapy). About 60 men will take either the drug or a placebo daily for 4 weeks. Researchers will track hot flash frequency, severity, and impact on quality of life, while also checking for liver safety.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 2
Tests whether the treatment actually works, and watches for side effects, in a larger group.
- Participants
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About 60 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jan 2026
- Expected to finish
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Dec 2028
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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40 years and older
- Sex
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Male 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: * Male sex * Age 40 years and older * Diagnosis of prostate cancer * Androgen deprivation therapy * Presence of 5 or more moderate-to-severe hot flashes per day or 35 or more moderate-to-severe hot flashes per week * Ability to sign the inform consent * Willing to use reliable methods of contraception if partner is of childbearing age * Ability to record hot flashes electronically Exclusion Criteria: * Use of abiraterone acetate * Use of docetaxel and other chemotherapeutic agents * Liver cirrhosis * Alanine aminotransferase (ALT) or aspartate aminotransferase (AST) above the upper limit of normal * Total bilirubin above the upper limit of normal * Glomerular filtration rate \< 30 mL/min * Use of selective serotonin reuptake inhibitors, serotonin-norepinephrine reuptake inhibitors, tricyclic antidepressants, sedatives, or hypnotics if prescribed for the treatment of hot flashes * Use of over-the-counter hormonal agents or herbal compounds * Current use of CYP1A2 inhibitors * Ingestion of alcohol within 2 weeks prior to the baseline visit * Inability to abstain from alcohol use during the study period.
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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.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Brigham and Women's Hospital
RECRUITINGBoston, Massachusetts, 02115, United States
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- A scanner in the operating room could show surgeons exactly where prostate cancer remains
- New PET tracer aims to light up hidden cancer targets
- Can daily adaptive radiotherapy spare healthy tissue in prostate cancer?
- Can a radioactive tracer and MRI reveal prostate Cancer's true extent?
- Five-Fraction radiation plus hormone therapy tested against High-Risk prostate cancer
- Can a 10-Hour eating window fight cancer fatigue?