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Treatment

Phase 2

Ovariancancer | Unknown | Oncology |Third Harmonic Bio, Inc.|Last Updated: Jan 21, 2026

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
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Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
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Trial Design
UNCONTROLLEDBiomarker
Total Trials1
Total Enrollment30
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT07339553Clinical Study of EZH2 Inhibitor Combined With PARP Inhibitor in the Treatment of Patients With Advanced or Recurrent Epithelial Ovarian Cancer.PHASE2 NOT YET_RECRUITING 30Jan 4, 2026Feb 26, 2029Jan 21, 2026 -
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Study Endpoints
Primary Endpoints
Objective response rate
12 months

The proportion of patients achieving tumour volume reduction meeting predetermined criteria (RECIST 1.1) and maintaining this reduction for a specified duration (typically at least four weeks), encompassing both complete response (CR) and partial response (PR).

Secondary Endpoints
Progression-Free Survival
24 months
Overall Survival
36 months
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Study Design & Arms
AllocationNA
MaskingNONE
ModelSINGLE_GROUP
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Treatment groupEXPERIMENTALPhase 1: Fuzuloparib Monotherapy Dose: 150 mg, twice daily (bid), orally (po). Duration: Administration for 2 to 4 weeks, until hematological toxicity recovers to pre-enrollment criteria, after which Phase 2 combination therapy may commence. Phase 2: Zeprumetostat Tablets in Combination with Fuzuloparib Dose: Zeprumetostat Tablets 250 mg, bid, po, Fuzuloparib 100 mg, bid, po. Duration: Treatment continues until disease progression, unacceptable toxicity, or other protocol-specified reasons for treatment discontinuation occur.
Interventions
NameTypeDescription
TreatmentDRUGPhase 1: Fuzuloparib Monotherapy Dose: 150 mg, twice daily (bid), orally (po). Duration: Administration for 2 to 4 weeks, until hematological toxicity recovers to pre-enrollment criteria, after which Phase 2 combination therapy may commence. Phase 2: Zeprumetostat Tablets in Combination with Fuzuloparib Dose: Zeprumetostat Tablets 250 mg, bid, po, Fuzuloparib 100 mg, bid, po. Duration: Treatment continues until disease progression, unacceptable toxicity, or other protocol-specified reasons for treatment discontinuation occur.
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Eligibility Criteria
Age Range18 Years — 75 Years
SexFEMALE
Healthy VolunteersNo

Inclusion Criteria: * Age between 18 and 75 years. * Histologically or cytologically confirmed ovarian carcinoma with FIGO Stage III-IV disease, or recurrent ovarian epithelial carcinoma (any stage or timing of recurrence), with genetic testing results indicating BRCA1/2 wild-type. * At least one m...

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Recent Changes (Last 90 Days)
LOWMay 24, 2026NCT07339553studyFirstPostDate: changed