Study Details

A study to find the best dose of fezolinetant to treat hot flashes in women going through menopause

This trial is complete
The study has ended normally, and participants are no longer being examined or treated (that is, the last participant's last visit has occurred). ID

The unique identification code given to each clinical study upon registration at

Astellas Study ID

The unique identification code given by the study sponsor.


EudraCT ID

The unique identification code given to each clinical study upon registration at EudraCT (European Union Drug Regulating Authorities Clinical Trials Database).



Hot Flashes


These clinical trials are done to learn if an experimental treatment helps participants who have a specific condition or disease. Phase 2 trials usually include a larger group of participants than Phase 1 trials.

Phase 2


40 Years - 65 Years






A type of clinical study in which participants are assigned to groups that receive one or more intervention/treatment (or no intervention) so that researchers can evaluate the effects of the interventions on biomedical or health-related outcomes.


Trial Dates

Nov 2021 - Dec 2022


Double (Participant, Investigator)

Enrollment number


A Randomized, Placebo-Controlled, Double-Blind, Phase 2 Study to Select the Optimal Dose(s) of Fezolinetant in Women Suffering from Vasomotor Symptoms (Hot Flashes) Associated with Menopause in Japan

Study summary

Study documents

Study Documents, including study results, are available after a study is completed or terminated, according to Astellas Transparency policy.

Get More Information

Would you like more information about clinical trial sites that are recruiting participants for A study to find the best dose of fezolinetant to treat hot flashes in women going through menopause? Contact us by filling our your information to the right and we’ll respond to you.

By clicking ["Continue/Submit"], you agree that Astellas may contact you by email with information to help you connect with clinical trial sites. While we can connect you to clinical trial sites, we cannot answer questions about any investigational therapy through email. Your consent to receiving emails is not a requirement to participate in a clinical trial or study. For more information, including how to unsubscribe at any time, see our Privacy Notice & Cookies Policy.


Yokokura Clinic

Minato-ku, Japan

Yukawa Women's Clinic

Nishitokyo-shi, Japan

Medical Corp. SEIKOUKAI New Medical Research System Clinic

Hachioji-shi, Japan

Women's Clinic LUNA Yokohama Motomachi

Yokohama-shi, Japan

Tawada Ladies Clinic

Yokohama-shi, Japan

Tonan Hospital

Sapporo-shi, Japan

Tsushima Ruriko Women's Life Clinic Ginza

Chuo-ku, Japan


Takamatsu-shi, Japan

Omi Medical Center, Social Medical Corporation Seikoukai

Kusatsu-shi, Japan

Kurashiki Medical Clinic

Kurashiki-shi, Japan

GyNet Medical Corporation Minamimorimachi Ladies' Clinic

Osaka-shi, Japan

Hamada Hospital

Chiyoda-ku, Japan

jMOG Medical Corporation Tanabe Ladies' Clinic

Takatsuki-shi, Japan

Yoshinaga Women's Clinic

Kagoshima-shi, Japan

Ena Odori Clinic

Sapporo-shi, Japan

Sapporo Medical Center, NTT East Corporation

Sapporo-shi, Japan

Juno Vesta Clinic Hatta

Matsudo-shi, Japan

Ikebukuro Metropolitan Clinic

Toshima-ku, Japan

Toranomon Womens Clinic

Minato-ku, Japan

M's Ladies Clinic

Sapporo-shi, Japan

Sophia Ladies Clinic

Sagamihara-shi, Japan

Nishikawa Women's Health Clinic

Sapporo-shi, Japan

Medical Corporation Asbo Tokyo Asbo Clinic

Chuo-ku, Japan

Japan Community Healthcare Organization Tokuyama Central Hospital

Shunan-shi, Japan

Maruyama Memorial General Hospital

Saitama-shi, Japan

Seijo Kinoshita Hospital

Setagaya-ku, Japan

SANO Women's Clinic

Fukuoka-shi, Japan

Kotoni Ladies Clinic

Sapporo-shi, Japan

Ikebukuro Clinic

Toshima-ku, Japan

Kurobe City Hospital

Kurobe-shi, Japan

Unoki Clinic

Kagoshima-shi, Japan

Chieko Yukika Lady's Clinic

Sendai-shi, Japan

Kyoto City Hospital

Kyoto-shi, Japan

Japan Organization of Occupational Health and Safety Toyama Rosai Hospital

Uozu-shi, Japan

Social Medical Care Corporation Hosei-kai Marunouchi Hospital

Matsumoto-shi, Japan

Nomura Clinic Namba

Osaka-shi, Japan

Mori Ladies Clinic

Fukuoka-shi, Japan

Japan Organization of Occupational Health and Safety Kyushu Rosai Hospital

Kitakyusyu-shi, Japan

Ginza Yoshida Clinic

Chuo-Ku, Japan

Shimamura Memorial Hospital

Nerima-ku, Japan

Omihachiman Community Medical Center

Omihachiman-shi, Japan