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Sofetabart Mipitecan

Phase 3

Ovarian Neoplasms | Small molecule | Oncology |Eli Lilly and Company|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 Enrollment1,080
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT07213804A Two-Part Phase 3 Study of Sofetabart Mipitecan (LY4170156) in Participants With Platinum-Resistant (Part A) and Platinum-Sensitive (Part B) Ovarian CancerPHASE3 RECRUITING 1,080Oct 22, 2025Aug 1, 2031May 27, 2026259 United States, Australia +24
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Study Endpoints
Primary Endpoints
Progression-free Survival (PFS)
Randomization to radiographic progression or death from any cause (up to 70 months)

PFS per Response Evaluation Criteria in Solid Tumors (RECIST) v1.1 by Investigator

Secondary Endpoints
Overall Survival (OS)
Randomization to date of death from any cause (up to 70 months)
PFS
Randomization to radiographic progression or death from any cause (up to 70 months)
Overall Response Rate (ORR): Proportion of Participants who Achieve a Best Overall Response (BOR) of Complete Response (CR) or Partial Response (PR)
Randomization to disease progression or death (up to 70 months)
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Study Design & Arms
AllocationRANDOMIZED
MaskingNONE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Part A: Sofetabart MipitecanEXPERIMENTALAdministered intravenously (IV).
Part A: Chemotherapy or Mirvetuximab Soravtansine (MIRV)ACTIVE_COMPARATORInvestigator's Choice of Chemotherapy or MIRV given IV.
Part B: LY4170156 plus BevacizumabEXPERIMENTALAdministered IV.
Part B: Platinum-based Doublet Chemotherapy plus BevacizumabACTIVE_COMPARATORInvestigator's choice of platinum doublet chemotherapy IV followed by bevacizumab IV.
Interventions
NameTypeDescription
Sofetabart MipitecanDRUGAdministered IV
PaclitaxelDRUGAdministered IV
TopotecanDRUGAdministered IV
GemcitabineDRUGAdministered IV
Pegylated liposomal doxorubicin (PLD)DRUGAdministered IV
MIRVDRUGAdministered IV
BevacizumabDRUGAdministered IV
CarboplatinDRUGAdministered IV
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Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites259

Inclusion Criteria: Part A and B: * Have histologically confirmed high-grade serous or high-grade endometrioid ovarian, primary peritoneal, or fallopian tube cancer. * Have confirmed availability of tumor tissue block or slides * Have radiographic progression on or after most recent line of system...

Countries:United StatesAustraliaAustriaBelgiumBrazilCanadaChinaCzechiaDenmarkFranceGermanyGreeceHungaryIrelandItalyJapanMexicoNetherlandsNorwayPolandRomaniaSouth KoreaSpainSwitzerlandTaiwanUnited Kingdom
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Recent Changes (Last 90 Days)
LOWMay 28, 2026NCT07213804lastUpdatePostDate: changed
LOWMay 28, 2026NCT07213804lastUpdatePostDate: changed
LOWMay 26, 2026NCT07213804primaryCompletionDate: changed
LOWMay 24, 2026NCT07213804studyFirstPostDate: changed