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Sonesitatug vedotin

Phase 3

Gastric Cancer | Small molecule | Oncology |AstraZeneca PLC|Last Updated: May 27, 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
RandomizedACTIVE_CONTROLLEDDMCBiomarker
Total Trials1
Total Enrollment2,130
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT07431281Sonesitatug Vedotin in Combination With Capecitabine With or Without Rilvegostomig in Participants With Advanced or Metastatic Gastric, Gastroesophageal Junction, or Esophageal Adenocarcinoma Expressing Claudin18.2PHASE3 RECRUITING 2,130Feb 3, 2026Oct 27, 2031May 27, 2026269 United States, Australia +20
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Study Endpoints
Primary Endpoints
Progression Free Survival (PFS) (Cohort 1 and Cohort 2)
Up to approximately 5 years

PFS is defined as time from randomisation until progression per RECIST 1.1, or death due to any cause, whichever occurs first.

Overall Survival (OS) (Cohort 1)
Up to approximately 5 years

OS is defined as the time from randomisation until the date of death due to any cause.

Secondary Endpoints
Overall Survival (OS) (Cohort 2)
Up to approximately 5 years
Overall Survival (OS) (Cohort 1)
Up to approximately 5 years
Progression Free Survival (PFS) (Cohort 1)
Up to approximately 5 years
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Study Design & Arms
AllocationRANDOMIZED
MaskingSINGLE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Arm AEXPERIMENTALSonesitatug vedotin + Rilvegostomig + Capecitabine
Arm BEXPERIMENTALSonesitatug vedotin + Nivolumab + Capecitabine
Arm CACTIVE_COMPARATORNivolumab + CAPOX OR Nivolumab + FOLFOX * nivolumab, capecitabine, oxaliplatin * nivolumab, 5-Fluorouracil, leucovorin, oxaliplatin
Arm DEXPERIMENTALSonesitatug vedotin + Capecitabine
Arm EACTIVE_COMPARATORZolbetuximab + CAPOX or Zolbetuximab + FOLFOX: * zolbetuximab, capecitabine, oxaliplatin * zolbetuximab, 5-Fluorouracil, leucovorin, oxaliplatin CAPOX or FOLFOX: * oxaliplatin, capecitabine, * 5-Fluorouracil, leucovorin, oxaliplatin
Interventions
NameTypeDescription
Sonesitatug vedotinDRUGIntravenous
RilvegostomigDRUGIntravenous
NivolumabDRUGIntravenous
CapecitabineDRUGOral
5-FluorouracilDRUGIntravenous
OxaliplatinDRUGIntravenous
ZolbetuximabDRUGIntravenous
LeucovorinDRUGIntravenous
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Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites269

Inclusion Criteria: * Capable of giving signed informed consent * Participant must be 18 years or the legal age of consent in the jurisdiction in which the study is taking place, at the time of signing the informed consent. * Previously untreated histologically documented unresectable, locally adva...

Countries:United StatesAustraliaAustriaBelgiumBrazilCanadaChinaFranceGermanyHungaryIndiaItalyJapanNetherlandsPolandPuerto RicoSouth KoreaSpainTaiwanThailandTurkey (Türkiye)United Kingdom
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Competitive Landscape -Gastric Cancer 118 trials
CompanyTickerTrialsLead PhaseDrugs
AstraZeneca PLCAZN16PHASE3AZD0901, Ramucirumab+ paclitaxel, Paclitaxel, Docetaxel, Irinotecan
BeOne Medicines Ltd. Sponsored ADRONC4PHASE3Tislelizumab, Cisplatin, Leucovorin, 5-fluorouracil, Oxaliplatin
Jazz Pharmaceuticals Public Limited CompanyJAZZ3PHASE3Zanidatamab, Tislelizumab, Trastuzumab, Capecitabine, Oxaliplatin
Merck & Co., Inc.MRK1PHASE3pembrolizumab, cisplatin, 5-FU, leucovorin, levoleucovorin
Amgen Inc.AMGN2PHASE3Bemarituzumab, Nivolumab, Chemotherapy, CAPOX, SOX
Arcus Biosciences, Inc.RCUS2PHASE3Domvanalimab, Zimberelimab, Capecitabine, Fluorouracil, Leucovorin
Bristol-Myers Squibb CompanyBMY7PHASE2Pumitamig, Folfox, Capox, Nivolumab, BMS-986340
Pfizer Inc.PFE7PHASE2tucatinib, trastuzumab, oxaliplatin, leucovorin, fluorouracil
Agenus Inc.AGEN2PHASE3Balstilimab, Botensilimab, Folfox Protocol, XELOX, Nivolumab
AbbVie, Inc.ABBV2PHASE2Telisotuzumab Adizutecan, Budigalimab, Fluorouracil, Leucovorin, Oxaliplatin
Eli Lilly and CompanyLLY2PHASE2Ramucirumab, Paclitaxel, LY4337713
Compass Therapeutics, Inc.CMPX1PHASE2CTX-009, Paclitaxel
ALX Oncology Holdings, Inc.ALXO1PHASE2Evorpacept, Trastuzumab, Ramucirumab, Paclitaxel
GE Healthcare Technologies Inc.GEHC1PHASE2GEH300079 Positron-Emission Tomography /Computed Tomography
ImmunityBio IncIBRX1PHASE2N-803 + Pembrolizumab
Apollomics Inc. Class AAPLM1PHASE2APL-101
Exelixis, Inc.EXEL2PHASE1cabozantinib, atezolizumab, Cabozantinib, Durvalumab, Tremelimumab
Inhibrx Biosciences, Inc.INBX1PHASE1INBRX-106 - Hexavalent OX40 agonist antibody, pembrolizumab, Carboplatin AUC-5, Pemetrexed /m2, Cisplatin /m2
Tango Therapeutics, Inc.TNGX2PHASE2Trifluridine/Tipiracil, Oxaliplatin, FOLFOX regimen, Nivolumab, S095029
I-Mab Biopharma US LimitedIMAB2PHASE2Givastomig, Nivolumab, 5Fluorouracil, Leucovorin, Oxaliplatin
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Recent Changes (Last 90 Days)
LOWMay 28, 2026NCT07431281lastUpdatePostDate: changed
LOWMay 28, 2026NCT07431281lastUpdatePostDate: changed
LOWMay 26, 2026NCT07431281primaryCompletionDate: changed
LOWMay 24, 2026NCT07431281studyFirstPostDate: changed