Menopause review: Emerging treatments for menopausal symptoms.
Bijal Patel, Waljit S Dhillo
https://pubmed.ncbi.nlm.nih.gov/34965909/Actively Recruiting
Led by Shehzad Basaria, M.D. · Updated on 2026-07-27
60
Participants Needed
1
Research Sites
17 weeks
Total Duration
Researchers are evaluating fezolinetant as a potential treatment for hot flashes, also called vasomotor symptoms, in men with prostate cancer who are undergoing androgen deprivation therapy. These hot flashes can be severe and frequent, affecting quality of life, sleep, mood, and other areas. The study aims to find out if fezolinetant reduces the frequency and severity of hot flashes, assess its effects on liver safety, and examine improvements in quality of life, sleep, fatigue, mood, sexual function, and metabolic measures. Participants will be randomly assigned to take either 45 mg of fezolinetant or a placebo by mouth every day for 4 weeks. During this time, they will visit the clinic every two weeks for checkups and tests. The study compares responses between the fezolinetant group and the placebo group to evaluate differences in symptoms and safety. Throughout the study, participants will keep a daily diary tracking how often and how intense their hot flashes are. Researchers will measure changes in hot flash frequency and liver function from the start to the end of treatment. They will also assess quality of life, sleep quality, mood, sexual function, fatigue, inflammation, glucose, and lipid levels. The total participation time is about one month, with safety and symptom monitoring occurring at regular clinic visits.
CONDITIONS
Proof-of-Concept Trial to Assess the Efficacy and Safety of Fezolinetant in Improving Vasomotor Symptoms in Men With Prostate Cancer Undergoing Androgen Deprivation Therapy
C
Caroline Veteri
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Shehzad Basaria, M.D.
Lead Sponsor
Astellas Pharma US, Inc.
Collaborating Sponsor
This table compares participation in this trial with other options available for this condition. The information is drawn from published research and the trial’s study details and is provided for educational purposes only.
| Factors | Fezolinetant (45 mg oral, daily) | Placebo (oral, daily) |
|---|---|---|
| What is it? | A neurokinin 3 receptor antagonist taken by mouth once daily, investigated for reducing hot flashes in men with prostate cancer undergoing androgen deprivation therapy. | A placebo pill taken once daily matching the active drug in appearance, used as a control in the trial. |
| Role in this trial | Tested as the investigational treatment to assess efficacy and safety for hot flashes linked to androgen deprivation therapy. | Serves as the comparator group to establish baseline and control for placebo effects in symptom assessment. |
| Primary use or purpose | Studied for reduction of moderate-to-severe vasomotor symptoms (hot flashes) in men on androgen deprivation therapy for prostate cancer. | Serves as the comparison arm to evaluate symptom changes without active treatment intervention. |
| How is it given or performed? | Taken orally as a daily tablet at a dose of 45 mg for 4 weeks. | Taken orally as a daily tablet for 4 weeks, with no active drug. |
| Evidence status | Efficacy for reducing hot flashes established in large phase 3 trials for menopausal vasomotor symptoms in women. Efficacy and safety in men with prostate cancer on androgen deprivation therapy remain under study in this trial, with prior studies addressing mechanism and safety in women but not men. | Expected to have no pharmacological effect on vasomotor symptoms, serves as a neutral comparator; improvement would reflect placebo response or symptom fluctuation. |
| Important known risks | Common adverse events reported in women include headache, abdominal pain, and elevations in liver enzymes. Safety in men on androgen deprivation therapy remains under evaluation in this trial. | No direct pharmacological risks; side effects or symptoms are not expected to exceed those from taking an inactive tablet. |
| Important limitations or uncertainties | Benefits and safety are established for menopausal vasomotor symptoms in women but are not yet confirmed for men with prostate cancer on androgen deprivation therapy. Efficacy and risks in this male cancer population may differ from those in women, and additional effects on mood, sleep, or quality of life in men remain to be confirmed by this study. | Does not provide an active treatment for vasomotor symptoms; improvements would reflect placebo response or natural symptom fluctuation. |
Disclaimer: This comparison is created with the help of artificial intelligence(AI) and may contain errors or missing information. It is not medical advice and does not mean one option is better or safer than another. Clinical trials are still being studied, and joining a trial is your choice. Please consult your healthcare professional before making any decisions.
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Duration - 2 to 4 weeks
Participants are screened for eligibility to participate in the trial.
Duration - 4 weeks
Participants take daily doses of either fezolinetant or placebo for 4 weeks while attending clinic visits every 2 weeks for checkups and tests.
Clinic visits every 2 weeks
Study Type
INTERVENTIONAL
Masking
QUADRUPLE
Allocation
RANDOMIZED
Model
PARALLEL
Primary Purpose
TREATMENT
Number of Arms
2
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Lead Sponsor
Astellas Pharma US, Inc.
Collaborating Sponsor