Fezolinetant for Treating Hot Flashes in Men With Prostate Cancer

Recruiting now · Phase 2

Conditions studied: Prostate CA, Androgen Deprivation Therapy

In brief

This study is for men with prostate cancer who are experiencing hot flashes due to treatments that lower testosterone. Hot flashes can affect your quality of life and make it harder for patients to continue their treatment, so researchers want to find a better way to manage them. The study is testing a drug called fezolinetant, which might help reduce hot flashes without using hormones. Fezolinetant is a drug that is currently approved for the treatment of hot flashes in menopausal women.

Key facts

Study ID

NCT06972875

Run by

University of Vermont

People needed

32

Starts

2025-12-18

Expected to finish

2027-02-01

Last updated by the study team

2026-02-05

Who can join

Age: 18 and older. Sex: male. Healthy volunteers: not accepted.

You may qualify if…

• Age ≥ 18 years Men who are currently receiving Androgen Deprivation Therapy (ADT) for the treatment of prostate cancer. ADT is defined by a history of orchiectomy, or ongoing usage of gonadotropin-releasing hormone agonists or antagonists (e.g. leuprolide, degarelix, relugolix). Men receiving Androgen Receptor Pathway Inhibitors (ARPI) such as abiraterone, enzalutamide, apalutamide, and darolutamide are eligible.
• Patients must be on a stable dose of all hormonal therapies for at least 28 days prior to registration and must not be planning to discontinue this therapy for at least 42 days following registration. Additional ARPI agents (e.g. abiraterone or enzalutamide) are allowed to be added during the Extension Phase of the trial, but not during the Treatment Phase.
• Patients receiving radiation therapy during the study period are eligible. An eligible patient must have bothersome hot flashes for ≥ 7 days prior to consent, resulting in an average of four or more hot flashes per day of sufficient severity to cause the patient to seek therapeutic intervention.
• Life Expectancy of 6 months or greater. Language: In order to complete the mandatory participant-completed measures, participants must be able to speak and read English.

You may not qualify if…

• Current or future planned use of any of the following agents during the study period: drugs that are not FDA approved for use in humans, any drug with category X interactions with fezolinetant; androgens, estrogens, progesterone analogs, or complementary/alternative medicine taken for the purpose of managing hot flashes. Prior use of these agents is permitted as long as they are discontinued before registration. Stable dosing (≥ 1 month) of gabapentin, cholinergic agonists, cholinesterase inhibitors for other indications is permitted.
• History of cirrhosis Elevated alanine aminotransferase (ALT) or aspartate aminotransferase (AST) ≥ 2 X ULN or total bilirubin > ULN eGFR <30 mL/min/1.73 m2 based on reported MDRD estimate. Current use of CYP1A2 inhibitors (fezolinetant is a substrate of CYP1A2).

Where it is running

• University of Vermont Medical Center — Burlington, Vermont, United States (enrolling)

Full record on ClinicalTrials.gov

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