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Zunsemetinib

Phase 1

Metastatic Pancreatic Ductal Adenocarcinoma | Small molecule | Oncology |Aclaris Therapeutics, Inc.|Last Updated: Apr 30, 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
CONTROLLEDDMCBiomarker
Total Trials1
Total Enrollment51
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT06648434MK2 Inhibitor in Combination With mFOLFIRINOX for Untreated Metastatic Pancreatic Ductal AdenocarcinomaPHASE1 RECRUITING 51Jun 13, 2025May 31, 2030Apr 30, 20261 United States
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Study Endpoints
Primary Endpoints
Recommended phase II dose (RP2D) of zunsemetinib in combination with mFOLFIRINOX (Dose Escalation Only)
Completion of 2 cycles (each cycle is 2 weeks - estimated to be 4 weeks)
Number of participants with dose-limiting toxicities (DLTs) (Dose Escalation only)
Completion of 2 cycles (each cycle is 2 weeks - estimated to be 4 weeks)
Secondary Endpoints
Number of participants with adverse events by types
From start of treatment through 30 days after last zunsemetinib dose (estimated to be 13 months)
Progression-free rate (PFR) (only for those treated at RP2D)
At 6 months
Disease control rate (DCR) (only for those treated at RP2D)
Through completion of treatment (estimated to be 12 months)
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Study Design & Arms
AllocationNON_RANDOMIZED
MaskingNONE
ModelSEQUENTIAL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Dose escalation phase (zunsemetinib + mFOLFIRNOX)EXPERIMENTALThe dose of zunsemetinib will be determined by the dose level assigned and will be taken by mouth either once or twice daily depending on assigned dose level. mFOLFIRINOX will be 85 mg/m\^2 of oxaliplatin intravenous (IV) on day 1 of each cycle, 150 mg/m\^2 of irinotecan IV on day 1 of each cycle, 400 mg/m\^2 of leucovorin IV on day 1 of each cycle, and 2400 mg/m\^2 continuous infusion starting on day 1 of each cycle and continuing for 46 hours. Each cycle is 2 weeks in length.
Dose expansion phase (zunsemetinib + mFOLFIRNOX)EXPERIMENTALThe dose of zunsemetinib will be determined during the dose escalation phase of the trial. mFOLFIRINOX will be 85 mg/m\^2 of oxaliplatin intravenous (IV) on day 1 of each cycle, 150 mg/m\^2 of irinotecan IV on day 1 of each cycle, 400 mg/m\^2 of leucovorin IV on day 1 of each cycle, and 2400 mg/m\^2 continuous infusion starting on day 1 of each cycle and continuing for 46 hours. Each cycle is 2 weeks in length.
Interventions
NameTypeDescription
ZunsemetinibDRUGPatients should take zunsemetinib approximately 12 hours apart (if twice daily dosing) or 24 hours apart (if once daily dosing) at the same time(s) every day, with 8 oz of water.
mFOLFIRINOXDRUGIncludes oxaliplatin, irinotecan, leucovorin, and 5-FU.
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Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites1

Inclusion Criteria: * Histologically or cytologically confirmed pancreatic ductal adenocarcinoma with no prior systemic treatment for advanced or metastatic disease. Patients with mixed cytology in their tumors such as adeno-squamous, mixed neuroendocrine-carcinoma are permitted if the portion of a...

Countries:United States
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Recent Changes (Last 90 Days)
LOWMay 26, 2026NCT06648434primaryCompletionDate: changed
LOWMay 24, 2026NCT06648434studyFirstPostDate: changed