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Interleukin-2

Phase 2

Clinical Stage IV Cutaneous Melanoma AJCC v8 | Monoclonal antibody | Oncology |Iovance Biotherapeutics, Inc.|Last Updated: Apr 30, 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 Enrollment11
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT06151847Lifileucel With Reduced Dose Fludarabine/Cyclophosphamide Lymphodepletion and Interleukin-2 for the Treatment of Patients With Unresectable or Metastatic MelanomaPHASE2 COMPLETED 11Dec 21, 2023Jul 10, 2025Apr 30, 20261 United States
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Study Endpoints
Primary Endpoints
Percentage of total T-cell receptor (TCR) populations shared between the TIL product and peripheral blood mononuclear cells (PBMCs)
At day + 42

The TCR population is calculated as the frequencies of unique CDR3 sequences as measured by HTBIvc assay. Will be summarized with respect to mean and standard deviation. The percentage changes will also be presented with respect to visual diagrams for each person, e.g., waterfall plot

Secondary Endpoints
Safety: Incidence of treatment emergent adverse events
From start of treatment to 6 months after TIL
Safety: Incidence of serious adverse events
From start of treatment to 6 months after TIL
Transfusion requirements
From start of treatment to 6 months after TIL
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Study Design & Arms
AllocationNA
MaskingNONE
ModelSINGLE_GROUP
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Treatment (Lifileucel)EXPERIMENTALLifileucel (LN-144) is an autologous Tumor Infiltrating Lymphocytes (TIL) cell therapy. A tumor sample is resected from each patient for lifileucel manufacturing. Patients then receive the lifileucel regimen which consists of a reduced dose non-myeloablative lymphodepletion, lifileucel infusion followed by interleukin-2.
Interventions
NameTypeDescription
Biospecimen CollectionPROCEDUREA tumor sample is resected from each patient and cultured ex vivo to expand the population of tumor infiltrating lymphocytes. After lymphodepletion, patients are infused with Lifileucel followed by IL-2
CyclophosphamideDRUGGiven IV
EchocardiographyPROCEDUREUndergo echocardiography
FludarabineDRUGGiven IV
Interleukin-2BIOLOGICALGiven IV
LifileucelBIOLOGICALGiven IV
Magnetic Resonance ImagingPROCEDUREUndergo MRI
Multigated Acquisition ScanPROCEDUREUndergo MUGA scan
Tumor ResectionPROCEDUREUndergo tumor resection
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Eligibility Criteria
Age Range18 Years — 70 Years
SexALL
Healthy VolunteersNo
Study Sites1

Inclusion Criteria: * Males and females age ≥ 18 years Enrollment of patients ≥ 70 years of age may be allowed at principal investigator discretion. * Eastern Cooperative Oncology Group (ECOG) performance status 0 - 1 * At least one measurable target lesion, as defined by Response Evaluation Criter...

Countries:United States
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