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IO102/IO103

Phase 2

Melanoma | Small molecule | Oncology |IO Biotech, Inc.|Last Updated: Feb 17, 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 Enrollment43
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT05912244A Study of IO102/IO103, Nivolumab, and Relatlimab in People With MelanomaPHASE2 ACTIVE NOT_RECRUITING 43Jun 9, 2023Jun 9, 2027Feb 17, 20269 United States
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Study Endpoints
Primary Endpoints
Overall Response Rate (ORR)
3 years

will be reported as the proportion of patients who experience a complete (CR) or partial response (PR) to treatment by RECIST v1.1

Secondary Endpoints
Incidence of adverse events
up to 100 days after the last dose
Progression-free survival (PFS)
3 years
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Study Design & Arms
AllocationNA
MaskingNONE
ModelSEQUENTIAL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
IO102/IO103, Nivolumab, and RelatlimabEXPERIMENTALAll patients will be treated with nivolumab-relatlimab FDC on Day 1 of every 28-day cycle for up to two years. Patients will be treated with IO102/IO103 on Days 1 and 15 of the first two 28-day cycles, then on Day 1 of subsequent cycles for up to two total years of treatment.
Interventions
NameTypeDescription
IO102/IO103DRUGIO102/IO103 will be administered subcutaneously on Days 1 and 15 of the first two 28-day cycles, and then on Day 1 only of subsequent cycles for two total years of treatment. Each vaccine contains 85ug.
Nivolumab-RelatlimabDRUGNivolumab-relatlimab will be administered as a single infusion 160mg relatlimab and nivolumab 480 mg for all participants. Both agents will be combined in a single fixed-dose combination (FDC) as an intravenous 30-minute infusion every four weeks.
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Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites9

Inclusion Criteria: 1. Age ≥ 18 years at the time of informed consent 2. Patient must be able to provide informed consent. 3. Patient must have a histologically confirmed diagnosis of locally advanced unresectable stage III or metastatic stage IV melanoma not amenable to local therapy. 4. Patient m...

Countries:United States
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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)
LOWMay 24, 2026NCT05912244studyFirstPostDate: changed