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Study identifier: NCT03460977 Synced from ClinicalTrials.gov · July 28, 2026
● Recruiting

A Study of Mevrometostat for Treatment of Relapsed/Refractory SCLC, Castration Resistant Prostate Cancer, and Follicular Lymphoma

Condition: Metastatic Castration Resistant Prostate Cancer (mCRPC) · Small Cell Lung Cancer (SCLC) · Follicular Lymphoma (FL)  ·  Sponsor: Pfizer

PhasePhase 1
Planned participants453
Who can joinAll sexes, 18 Years to no upper limit
Healthy volunteersNo

About this study

The purpose of this study is to learn about the safety and effects of the study medicine (called Mevrometostat) for the possible treatment of Relapsed/ Refractory Small Cell Lung Cancer (SCLC), Castration Resistant Prostate Cancer (CRPC) and Follicular Lymphoma (FL). The study consists of 3 parts; Part 1 and 2 enrolled participants with SCLC, metastatic CRPC, and FL are closed for enrollment. Part 3, which is open for enrollment is seeking men who: * have Castration Resistant Prostate Cancer (CRPC) and * have previously received treatment for CRPC and have progressed from the last treatment All participants in Part 3 of this study will receive mevrometostat and/ or enzalutamide. Part 3 consists of 2 sub studies each has an assessment phase and a maintenance phase. The Part 3 DDI substudy consist of 2 cohorts, Cohort 1 (monotherapy cohort) and Cohort 2 (Combination cohort). In the assessment phase: * participants in the BE substudy will take 3 single doses of mevrometostat by mouth over 3 periods. * participants in the DDI substudy Cohort 1 (monotherapy cohort) will take mevrometostat 2 times a day and/or itraconazole 1 time a day based on a present schedule. * participants in the DDI substudy Cohort 2 (combination cohort) will take mevrometostat 2 times a day, enzalutamide 1 time a day, and/or itraconazole 1 time a day based on a present schedule. After completion of the assessment phase, participants will enter the maintenance phase where they will receive mevrometosta…

This description comes directly from the study's public registry record.

Talk to the study team

Pfizer CT.gov Call Center  ·  1-800-718-1021  ·  ClinicalTrials.gov_Inquiries@pfizer.com

Always discuss trial participation with your own doctor first.

Locations (83)

Banner-University Medical Center TucsonTucson, Arizona, United StatesActive Not Recruiting
The University of Arizona Cancer Center-North CampusTucson, Arizona, United StatesActive Not Recruiting
The University of Arizona Cancer CenterTucson, Arizona, United StatesActive Not Recruiting
Arizona Urology Specialists, PLLCTucson, Arizona, United StatesTerminated
Pacific Cancer Medical Center INCAnaheim, California, United StatesActive Not Recruiting
City of Hope (City of Hope National Medical Center, City of Hope Medical Center)Duarte, California, United StatesActive Not Recruiting
City of Hope Investigational Drug Services (IDS)Duarte, California, United StatesActive Not Recruiting
Norwalk HospitalNorwalk, Connecticut, United StatesActive Not Recruiting
The University of Kansas Cancer Center, Investigational Drug ServicesFairway, Kansas, United StatesActive Not Recruiting
The University of Kansas Clinical Research CenterFairway, Kansas, United StatesActive Not Recruiting
The University of Kansas HospitalKansas City, Kansas, United StatesActive Not Recruiting
The University of Kansas Medical Center Medical Office BuildingKansas City, Kansas, United StatesActive Not Recruiting

+ 71 more locations — full list on the registry record.

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Source record: clinicaltrials.gov/study/NCT03460977