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MEK162 and mFOLFIRI

Phase 1

Advanced KRAS Positive Metastatic Colorectal Cancer | Small molecule | Oncology |Pfizer, Inc.|Last Updated: May 12, 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
UNCONTROLLEDDMCBiomarker
Total Trials1
Total Enrollment25
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT02613650A Trial of mFOLFIRI With MEK162 in Patients With Advanced RAS (HRAS, NRAS, or KRAS) Positive Metastatic Colorectal CancersPHASE1 COMPLETED 25Aug 19, 2016Dec 21, 2022May 12, 20261 United States
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Study Endpoints
Primary Endpoints
Incidence of dose limiting toxicities (DLTs) of combination MEK162 and mFOLFIRI
Patient safety will be evaluated throughout the treatment period (treatment with MEK162 and mFOLFIRI which is expected to last 6-10 months for each patient)
Secondary Endpoints
Response Rate
2 months
Clinical benefit rate
4 months
Additional Safety
9 months
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Study Design & Arms
AllocationNA
MaskingNONE
ModelSINGLE_GROUP
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
MEK162 and mFOLFIRI, all patientsEXPERIMENTAL -
Interventions
NameTypeDescription
MEK162 and mFOLFIRIDRUGMEK162 in combination with mFOLFIRI in a 14 day cycle MEK162 will be given single agent 6 day lead in and then will be given in combination with mFOLFIRI mFOLFIRI Administered Day 1 of each cycle Irinotecan 180mg/m2 iv over 90 minutes on day 1 5-fluoruracil 1200mg/m2 continuous infusion for 48 hours (2400mg/m2 in 48 hours) Followed by MEK162 - Taken twice daily orally on Days 1-12 of each cycle Level -1: mFOLFIRI at 80% + MEK162 30 mg twice daily 1 week on and 1 week off Level 1: mFOLFIRI + MEK162 30 mg twice daily Level 2: mFOLFIRI + MEK162 45 mg twice daily
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Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites1

Inclusion Criteria: * Age \> 18 years old * Patients with histologically confirmed RAS (HRAS, NRAS, or KRAS) positive metastatic colorectal cancer. * Patients must have progressed during or after first-line treatment for metastatic disease with oxaliplatin and fluoropyrimidines based chemotherapy (...

Countries:United States
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Recent Changes (Last 90 Days)
LOWMay 24, 2026NCT02613650studyFirstPostDate: changed