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Trifluridine and Tipiracil

Phase 1

Advanced Malignant Solid Neoplasm | Small molecule | Oncology |Pfizer, Inc.|Last Updated: May 4, 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 Enrollment45
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT04511039Trifluridine/Tipiracil and Talazoparib for the Treatment of Patients With Locally Advanced or Metastatic Colorectal or Gastroesophageal CancerPHASE1 RECRUITING 45Jun 8, 2021Apr 1, 2029May 4, 20261 United States
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Study Endpoints
Primary Endpoints
Incidence of Adverse Events
after each cycle of treatment ( 1 cycle = 14 days)

All adverse events will be evaluated using Common Terminology Criteria for All Adverse Events (CTCAE) version (v.) 5.

Maximum tolerated dose/ recommended phase II dose
Up to 14 days

Will utilize the keyboard design - a novel model- assisted dose-finding method to find the maximum tolerated dose

Secondary Endpoints
Plasma Concentration (Cmax)
Day -13 post dose
Overall Response Rate (ORR)
Up to 3 years
CEA response rate (colorectal cancer patients)
Up to 3 years
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Study Design & Arms
AllocationNON_RANDOMIZED
MaskingNONE
ModelSINGLE_GROUP
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Treatment ArmEXPERIMENTALPatients receive trifluridine/tipiracil PO BID and talazoparib tosylate PO QD on days 1-5. Cycles repeat every 14 days in the absence of disease progression or unacceptable toxicity.
Interventions
NameTypeDescription
Trifluridine and Tipiracil HydrochlorideDRUGGiven PO
Talazoparib TosylateDRUGGiven PO
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Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites1

Inclusion Criteria: * Histologically or cytologically confirmed CRC or EGC adenocarcinoma that is locally advanced or metastatic (Cohort A); histologically or cytologically confirmed p53mt/RASonc (Cohort B1) or p53mt/RASwt CRC (Cohort B2) that is locally advanced or metastatic. Patients with adenoc...

Countries:United States
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Recent Changes (Last 90 Days)
LOWMay 24, 2026NCT04511039studyFirstPostDate: changed