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PF-07799544

Phase 1

Melanoma | Small molecule | Oncology |Pfizer, Inc.|Last Updated: Jun 5, 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
CONTROLLEDBiomarker
Total Trials1
Total Enrollment124
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT05538130A Study to Learn About the Study Medicine Called PF-07799544 as Monotherapy or in Combination in People With Advanced Solid TumorsPHASE1 RECRUITING 124Nov 30, 2022Jun 18, 2029Jun 5, 202683 United States, Australia +5
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Study Endpoints
Primary Endpoints
Phase 1a monotherapy and Phase 1b combination dose escalation: Number of participants with dose limiting toxicities (DLTs)
Cycle 1 (21 days)

DLTs will be evaluated during the first cycle (21 days) as a single agent (phase 1a monotherapy) or in combination with other agents (phase 1b dose escalation)

Phase 1a monotherapy and Phase 1b combination dose escalation: Number of participants with treatment-emergent adverse events (AEs)
Baseline to 28 days after last dose of study medication

AEs as characterized by type, frequency, severity, timing, seriousness, and relationship to study therapy

Phase 1a monotherapy and Phase 1b combination dose escalation: Number of participants with clinically significant change from baseline in laboratory abnormalities
Baseline to 28 days after last dose of study treatment

Laboratory abnormalities as characterized by type, frequency, severity, and timing.

Phase 1a monotherapy and Phase 1b combination dose escalation: Number of participants with clinically significant change from baseline in vital sign abnormalities
Baseline to 28 days after last dose of study treatment

Vital sign abnormalities as characterized by type, frequency, severity, and timing.

Phase 1a monotherapy and Phase 1b combination dose escalation: Number of participants with clinically significant change from baseline in physical exam abnormalities
Baseline to 28 days after last dose of study treatment

Physical exam abnormalities as as graded by National Cancer Institute (NCI) Common Terminology Criteria for Adverse Events (CTCAE) version 5.0.

Phase 1b Dose Expansion: Overall response rate (ORR)
Baseline to 2 years

Response will be evaluated via radiographical tumor assessments by RECIST v1.1 for solid tumors or RANO for primary brain tumors

Secondary Endpoints
Phase 1a monotherapy and Phase 1b combination dose escalation: ORR
Baseline to 2 years
Phase 1b Dose Expansion: Number of participants with treatment-emergent adverse events (AEs)
Baseline to 2 years
Phase 1b Dose Expansion: Number of participants with clinically significant change from baseline in vital sign abnormalities
Baseline to 2 years
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Study Design & Arms
AllocationNON_RANDOMIZED
MaskingNONE
ModelSEQUENTIAL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Phase 1a Monotherapy Dose EscalationEXPERIMENTALParticipants will receive PF-07799544
Phase 1b Combination Dose EscalationEXPERIMENTALParticipants will receive PF-07799544 and PF-07799933
Phase 1b Combination Dose ExpansionEXPERIMENTALParticipants will receive PF-07799544 and PF-07799933
Interventions
NameTypeDescription
PF-07799544DRUGTablet
PF-07799933DRUGTablet
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Eligibility Criteria
Age Range16 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites83

Phase 1b Inclusion Criteria: * Diagnosis of advanced/metastatic solid tumor (excluding colorectal cancer) * Measurable disease by RECIST version 1.1 * Evidence of a BRAF V600 mutation * Prior therapy per tumor cohort * Adequate organ function per protocol Phase 1b Exclusion Criteria: * Other acti...

Countries:United StatesAustraliaBrazilCanadaChinaIsraelJapan
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Competitive Landscape -Melanoma 127 trials
CompanyTickerTrialsLead PhaseDrugs
Merck & Co., Inc.MRK6PHASE3Intismeran autogene, Pembrolizumab, pembrolizumab, Pembrolizumab Berahyaluronidase alfa
Bristol-Myers Squibb CompanyBMY7PHASE3Nivolumab, Nivolumab + Relatlimab, rHuPH20, Relatlimab, relatlimab+nivolumab
Regeneron Pharmaceuticals, Inc.REGN8PHASE3Fianlimab, Cemiplimab, Pembrolizumab, fianlimab, cemiplimab
Pfizer Inc.PFE4PHASE3Encorafenib, Binimetinib, Pembrolizumab, PF-08046049, PF-07799933
IDEAYA Biosciences, Inc.IDYA4PHASE3Darovasertib, IDE196, Crizotinib, Pembrolizumab, Ipilimumab
Iovance Biotherapeutics IncIOVA6PHASE3Lifileucel plus Pembrolizumab, Pembrolizumab with Optional Crossover Period, Lifileucel, LN-145/LN-144, Cyclophosphamide
Replimune Group, Inc.REPL5PHASE3Vusolimogene Oderparepvec, Nivolumab, Pembrolizumab, Single-agent chemotherapy, RP1
Amgen Inc.AMGN1PHASE3ABP 206, Nivolumab
Immunocore Holdings Plc Shs Sponsored American Depositary Shares Repr 1 ShIMCR3PHASE3Tebentafusp, Brenetafusp, Nivolumab
Immatics N.V.IMTX2PHASE3IMA203, nivolumab plus relatlimab, lifileucel, pembrolizumab, ipilimumab
Aura Biosciences IncAURA4PHASE3Bel-sar
Novartis AG Sponsored ADRNVS6PHASE2LXH254, LTT462, Trametinib, Ribociclib, DYP688
IO Biotech, Inc.IOBT2PHASE3IO102-IO103, Pembrolizumab, Pembrolizumab KEYTRUDA
Erasca, Inc.ERAS1PHASE3Naporafenib, Dacarbazine, Temozolomide, Trametinib
AstraZeneca PLCAZN3PHASE2Ceralasertib, Durvalumab, AZD6750, rilvegostomig, Trastuzumab deruxtecan
Eikon Therapeutics, Inc.EIKN2PHASE2EIK1001, Pembrolizumab, Association atezolizumab + BDB001 + RT
Moderna, Inc.MRNA1PHASE2mRNA-4157, Pembrolizumab
Genmab A/S Sponsored ADRGMAB2PHASE2Acasunlimab, Pembrolizumab, GEN1042, Cisplatin, Carboplatin
Agenus Inc.AGEN1PHASE2Botensilimab, Balstilimab
ImmunityBio IncIBRX1PHASE2N-803 + Pembrolizumab
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Recent Changes (Last 90 Days)
MEDIUMJun 5, 2026NCT05538130primaryCompletionDate: changed
MEDIUMJun 5, 2026NCT05538130primaryCompletionDate: changed
MEDIUMJun 5, 2026NCT05538130primaryCompletionDate: changed
MEDIUMJun 5, 2026NCT05538130primaryCompletionDate: changed
MEDIUMMay 26, 2026NCT05538130primaryCompletionDate: changed
LOWMay 24, 2026NCT05538130studyFirstPostDate: changed