How many clinical trials are running for fezolinetant?

ClinicalTrials.gov lists more than 16 phase 2–4 fezolinetant trials. This page tracks the 16 largest by enrolment: 5 phase 2, 10 phase 3, and 1 phase 4 among them, with 2 actively recruiting. Updated daily.

Are there clinical trials for Veozah?

Veozah is the brand name for fezolinetant, so fezolinetant trials on ClinicalTrials.gov cover it. ClinicalTrials.gov lists more than 16 phase 2–4 fezolinetant trials. This page tracks the 16 largest by enrolment: 5 phase 2, 10 phase 3, and 1 phase 4 among them, with 2 actively recruiting. Updated daily.

Where does this data come from?

All trial data is sourced from ClinicalTrials.gov (CTGov) and refreshed on this page daily.

Can I compare fezolinetant against other drugs?

Yes. The free ComplyRx Trial Pipeline tool compares up to five drugs side by side on one timeline, with PNG and PDF export. Add any competitor in the search box above.

Women's health · Live ClinicalTrials.gov data

Fezolinetant (Veozah) clinical trial pipeline

The timeline below tracks the 16 largest phase 2–4 fezolinetant (Veozah) trials on ClinicalTrials.gov by enrolment, 2 of them actively recruiting. The next phase 3 primary completion among them is expected Nov 2029. Refreshed daily. Add up to four competitors to compare pipelines side by side.

16+

Major trials tracked

Phase 3 trials

Actively recruiting

Nov 2029

Next phase 3 primary completion

6,698

Participants across trials

Astellas Pharma Global Development, Inc.

Lead sponsor by trial count

fezolinetant (16)5 active2017–2031

Hide completed

fezolinetant

Key

Actual date

Anticipated

Forecast to primary completion

RecruitingActive, not recruitingNot yet recruitingCompleted

'17

'19

'21

'23

'25

'27

'29

'31

fezolinetant

A Dose-ranging Study of the Efficacy of ESN364 in Postmenopausal Women Suffering Vasomotor Symptoms (Hot Flashes)P2

Skylight 4P3

Skylight 2P3

Skylight 1P3

Moonlight 1P3

Moonlight 3P3

DaylightP3

StarlightP2

Starlight 2P3

Starlight 3P3

A Study to Confirm if Fezolinetant Helps Reduce Hot Flashes in Women With Breast Cancer Who Are Having Hormone TherapyP3

A Study to Confirm if Fezolinetant Helps Reduce Hot Flashes in Chinese Women Going Through MenopauseP2

FLASH-Breast: Evaluating the Efficacy of Fezolinetant in Reducing Vasomotor Symptoms in Women With Breast Cancer on Endocrine TherapyP2

Focusing on the Menopausal Transition to Improve Mid-Life Women's HealthP2

FAVES-BP3

HERBRAVEHEARTP4

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4 ahead · fezolinetant

Select a trial to load its full ClinicalTrials.gov record.

Key fezolinetant trials

Top 12 of the 16 tracked phase 2–4 trials, ordered by phase and status. Trial names open the full ComplyRx trial page; NCT ids link to ClinicalTrials.gov.

Trial	Title	Phase	Status	Primary completion
NCT07732452	HERBRAVEHEART: Hormone thERapy Effects on BRAin-HEART Health During the Menopausal Transition	Phase 4	Not yet recruiting	Nov 2028
NCT06440967	A Study to Confirm if Fezolinetant Helps Reduce Hot Flashes in Women With Breast Cancer Who Are …	Phase 3	Active, not recruiting	Jun 2026
NCT07606664	FAVES-B: Fezolinetant and Vascular Health and Brain Health	Phase 3	Not yet recruiting	Nov 2029
NCT04003142	Skylight 2: A Study to Find Out if Fezolinetant Helps Reduce Moderate to Severe Hot Flashes in Women Going T…	Phase 3	Completed	Jul 2020
NCT04003155	Skylight 1: A Study to Find Out if Fezolinetant Helps Reduce Moderate to Severe Hot Flashes in Women Going T…	Phase 3	Completed	Oct 2020
NCT04003389	Skylight 4: A Study to Find Out How Safe Long-term Treatment With Fezolinetant is in Women With Hot Flashes …	Phase 3	Completed	Jan 2022
NCT04234204	Moonlight 1: A Study to Find Out if Fezolinetant Helps Reduce Moderate to Severe Hot Flashes in Women in Asia…	Phase 3	Completed	Apr 2022
NCT04451226	Moonlight 3: A Study to Assess the Safety and Tolerability of Fezolinetant in Women Seeking Treatment for Rel…	Phase 3	Completed	Jun 2022
NCT05033886	Daylight: A Study of Fezolinetant to Treat Hot Flashes in Women Going Through Menopause	Phase 3	Completed	Mar 2023
NCT06206408	Starlight 2: A Study to Confirm if Fezolinetant Helps Reduce Hot Flashes in Japanese Women Going Through Meno…	Phase 3	Completed	Oct 2025
NCT06206421	Starlight 3: A Study to Assess Long-term Safety of Fezolinetant Given to Japanese Women Going Through Menopau…	Phase 3	Completed	Mar 2026
NCT06917313	FLASH-Breast: Evaluating the Efficacy of Fezolinetant in Reducing Vasomotor Symptoms in Women Wi…	Phase 2	Recruiting	Mar 2028

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FAQ

How many clinical trials are running for fezolinetant?: ClinicalTrials.gov lists more than 16 phase 2–4 fezolinetant trials. This page tracks the 16 largest by enrolment: 5 phase 2, 10 phase 3, and 1 phase 4 among them, with 2 actively recruiting. Updated daily.
Are there clinical trials for Veozah?: Veozah is the brand name for fezolinetant, so fezolinetant trials on ClinicalTrials.gov cover it. ClinicalTrials.gov lists more than 16 phase 2–4 fezolinetant trials. This page tracks the 16 largest by enrolment: 5 phase 2, 10 phase 3, and 1 phase 4 among them, with 2 actively recruiting. Updated daily.
Where does this data come from?: All trial data is sourced from ClinicalTrials.gov (CTGov) and refreshed on this page daily.
Can I compare fezolinetant against other drugs?: Yes. The free ComplyRx Trial Pipeline tool compares up to five drugs side by side on one timeline, with PNG and PDF export. Add any competitor in the search box above.

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