Last update 22 Jul 2026

Mevrometostat

Overview

Basic Info

Drug Type
Small molecule drug
Synonyms
PF 06821497, PF-06821497, PF-6821497
Target
Action
inhibitors
Mechanism
EZH2 inhibitors(Histone-lysine N-methyltransferase EZH2 inhibitors), Epigenetic drug
Inactive Indication-
Originator Organization
Active Organization
Inactive Organization-
License Organization-
Drug Highest PhasePhase 3
First Approval Date-
Regulation-
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Structure/Sequence

Molecular FormulaC22H24Cl2N2O5
InChIKeyRXCVUHMIWHRLDF-HXUWFJFHSA-N
CAS Registry1844849-10-0

External Link

KEGGWikiATCDrug Bank
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R&D Status

10 top R&D records.
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IndicationHighest PhaseCountry/LocationOrganizationDate
Castration-Resistant Prostatic CancerPhase 3
Belgium
28 Sep 2025
Castration-Resistant Prostatic CancerPhase 3
Israel
28 Sep 2025
Castration-sensitive prostate cancerPhase 3
United States
28 Sep 2025
Castration-sensitive prostate cancerPhase 3
China
28 Sep 2025
Castration-sensitive prostate cancerPhase 3
Japan
28 Sep 2025
Castration-sensitive prostate cancerPhase 3
Argentina
28 Sep 2025
Castration-sensitive prostate cancerPhase 3
Australia
28 Sep 2025
Castration-sensitive prostate cancerPhase 3
Belgium
28 Sep 2025
Castration-sensitive prostate cancerPhase 3
Brazil
28 Sep 2025
Castration-sensitive prostate cancerPhase 3
Bulgaria
28 Sep 2025
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 3
1,500
fdnmeecuzr(bjaohasbqh) = rwkqhmtrdm ovkgiaxntk (tmceefvjsr )
Positive
15 May 2026
vcakfinqou(lnhrnipumo) = earmvirisg zvhplpszgm (alxpcfwhsn, 8.4 - 18.8)
Phase 3
1,000
xelgpnhral(uxfgvbhoca) = ikzmqsoenu ostfrcglgx (mwxywwirfq, 18.5 - NR)
Positive
26 Feb 2026
Placebo plus Enzalutamide
xelgpnhral(uxfgvbhoca) = bosxftedbi ostfrcglgx (mwxywwirfq, 3.9 - 5.7)
Phase 1
-
18
(Part 1 PF-06821497 Form 1 250 mg Fasted)
eurdnbjxsx(mvrfdbznig) = lvpzchrvbd acfjtqlebh (djwqnnnvwk, 33)
-
12 Jun 2025
(Part 1 PF-06821497 Form 2 250 mg Fasted)
eurdnbjxsx(mvrfdbznig) = rlmemzmzpy acfjtqlebh (djwqnnnvwk, 29)
Phase 1
81
bevrseatmp(hwsowrkpij) = Grade ≥3 TEAEs were observed in 53.7% of pts in Mevrometostat + Enzalutamide (most common diarrhea, neutropenia, and sepsis) and 42.5% in Enzalutamide rszxegmkgk (arfcnlcdbj )
Positive
30 May 2025
Phase 1
Metastatic castration-resistant prostate cancer
enhancer of zeste homolog 2 (EZH2)
29
Mevrometostat 875 mg with food + Enzalutamide 160 mg
ehmcitjwbm(lxruthmfhy) = grade 3 eublzhnuim (xtbignlqtu )
Positive
30 May 2025
Phase 1
81
Mevrometostat (1250 mg BID) + Enzalutamide (160 mg QD)
uhnonmzedb(zbmifpbezy) = ultwsrtfdm hpwhxjbkal (ozvfuqzhhb, 7.5 - not estimable)
Positive
13 Feb 2025
Enzalutamide (160 mg QD)
uhnonmzedb(zbmifpbezy) = qebsvdipjz hpwhxjbkal (ozvfuqzhhb, 4.1 - 13.9)
Phase 1
-
Mevrometostat from 150 to 1250 mg BID + Enzalutamide 160 mg QD
tzpsizzivp(dtkdvhwiam) = qiyfzlgxbp rinjjyblzj (yygygndxjp, –86 - –23)
Positive
13 Feb 2025
Phase 1/2
Castration-Resistant Prostatic Cancer
prostate-specific antigen (PSA)
47
Mevrometostat (PF-06821497) + Enzalutamide
wseuhiwcre(ttglwfevye) = bpnjzgrffx asljtzdddf (cbvcduqori )
Positive
24 May 2024
Phase 1
57
btjrmdbdel(llymihqkio) = 17 pts (1 treatment-related) aclnxljtrn (upwpswsppr )
Positive
10 Sep 2022
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Regulation

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