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eftilagimod alfa

Phase 3

Advanced/Metastatic Non-Small Cell Lung Cancer (NSCLC) | Monoclonal antibody | Oncology |Immutep Limited|Last Updated: Mar 18, 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
RandomizedDouble-BlindPLACEBO_CONTROLLEDDMCBiomarker
Total Trials1
Total Enrollment756
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT06726265Study of Eftilagimod Alfa (Efti) in Combination With Pembrolizumab and Chemotherapy Versus Placebo in Combination With Pembrolizumab and Chemotherapy in Participants With Metastatic Non-Small Cell Lung Cancer (NSCLC) (TACTI-004)PHASE3 ACTIVE NOT_RECRUITING 756Mar 21, 2025Sep 1, 2029Mar 18, 2026147 United States, Argentina +25
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Study Endpoints
Primary Endpoints
Determination of Overall survival (OS)
Up to approximately 54 months
Determination of Progression free survival (PFS) per Response Evaluation Criteria in Solid Tumors Version 1.1 (RECIST 1.1)
Up to approximately 54 months
Secondary Endpoints
Determination of Objective response rate (ORR) per RECIST 1.1
Up to approximately 54 months
Frequency of adverse events (AEs)
Up to approximately 27 months
Severity of adverse events (AEs) according to the United States National Cancer Institute Common Terminology Criteria for Adverse Events (NCI CTCAE), v5.0
Up to approximately 27 months
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Study Design & Arms
AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
efti + Standard of Care armEXPERIMENTALCombination of efti, pembrolizumab (KEYTRUDA®) and histology-based platinum doublet chemotherapy
Placebo + Standard of Care armPLACEBO_COMPARATORCombination of efti-matching placebo, pembrolizumab (KEYTRUDA®) and histology-based platinum doublet chemotherapy
Interventions
NameTypeDescription
eftilagimod alfaBIOLOGICAL30 mg of efti every 2 weeks subcutaneously for the first 6 months, thereafter every 3 weeks for up to 24 months in total
carboplatin plus paclitaxelDRUGFor participants with squamous histology for 4 cycles (1 cycle = 3 weeks) as follows: every 3 weeks: carboplatin area under the curve (AUC) 5 or 6 in combination with paclitaxel 175 mg/m2 or 200 mg/m2
cisplatin or carboplatin + pemetrexedDRUGFor participants with nonsquamous histology for 4 cycles (1 cycle = 3 weeks) as follows: every 3 weeks: cisplatin 75 mg/m2 or carboplatin AUC 5 or 6 in combination with pemetrexed 500 mg/m2. After the initial 4 cycles, pemetrexed 500 mg/m2 maintenance therapy will be administered every 3 weeks
pembrolizumab (KEYTRUDA®)BIOLOGICAL200 mg pembrolizumab (KEYTRUDA®) every 3 weeks i.v. for up to approximately 24 months
PlaceboOTHERefti-matching placebo every 2 weeks subcutaneously for the first 6 months, thereafter every 3 weeks for up to 24 months in total
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Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites147

Inclusion Criteria Participants may be enrolled if they meet all of the following criteria at screening: 1. Willing to give written informed consent and to comply with the protocol. 2. Histologically- or cytologically-confirmed diagnosis of advanced or metastatic (stage IIIB/C or stage IV) non-sma...

Countries:United StatesArgentinaAustraliaAustriaBelgiumBrazilBulgariaCanadaChileCroatiaGeorgiaGermanyGreeceHungaryIndiaIrelandItalyLatviaLithuaniaMalaysiaPolandPortugalRomaniaSpainThailandTurkey (Türkiye)United Kingdom
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Recent Changes (Last 90 Days)
LOWMay 26, 2026NCT06726265primaryCompletionDate: changed
LOWMay 24, 2026NCT06726265studyFirstPostDate: changed