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177Lu-TLX250

Phase 3

ccRCC | Unknown | Oncology |Telix Pharmaceuticals Limited|Last Updated: Apr 1, 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
RandomizedCONTROLLEDDMCBiomarker
Total Trials1
Total Enrollment40
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT07197580Phase 3 Study to Assess Safety and Efficacy of 177Lu-TLX250 in Advanced Relapsed or Recurrent ccRCCPHASE3 RECRUITING 40Mar 25, 2026Feb 28, 2029Apr 1, 20265 Australia
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Study Endpoints
Primary Endpoints
Dose Optimization -safety and tolerability
Through study completion, an average of 1.5 years

Part 1 of the study is being done to identify the best dose to use for Part 2 of the study. Assessing adverse events of special interest (AESIs), incidence and severity of treatment-emergent adverse events (TEAEs) and frequency, severity according to National Cancer Institute Common Terminology Criteria for Adverse Events (NCI CTCAE) V5.0, seriousness, and relationship of study treatment will be assessed. Laboratory abnormalities will be assessed according to the NCI CTCAE V5.0.

Efficacy- median mPFS
Through study completion, an average of 2 years

Primary objective for Part 2 of the study and secondary objective for Part 1. Monitoring disease progression according to Response Evaluation Criteria in Solid Tumors, version 1.1 (RECIST 1.1).

Secondary Endpoints
Monitoring OS (Overall Survival)
Through study completion, an average of 2 years
Monitoring ORR (Objective Response Rate)
Through study completion, an average of 2 years
Monitoring DoR (Duration of Response)
Through study completion, an average of 2 years
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Study Design & Arms
AllocationRANDOMIZED
MaskingNONE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
1887MBq 177Lu-girentuximab tetraxetanEXPERIMENTAL3 infusions of 1887 MBq 177Lu-TLX250 at 8-week intervals or 6 infusions of 1258 MBq 177Lu-TLX250 at 4-week intervals (fractionation of 3 doses of 2516 MBq)
1258 MBq 177Lu-girentuximab tetraxetanEXPERIMENTAL6 infusions of 1258 MBq 177Lu-TLX250 at 4-week intervals
Interventions
NameTypeDescription
177Lu-TLX250RADIATION3 infusions of 177Lu-TLX250 at 8-week intervals or 6 infusions 177Lu-TLX250 at 4-week intervals
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Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites5

Inclusion Criteria: * be aged ≥ 18 years. * have provided written informed consent, dated and signed by the participant prior to any study-specific procedure; * have relapsed or recurrent, locally advanced, or metastatic RCC with histologically or cytologically confirmed diagnosis of RCC with clear...

Countries:Australia
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Recent Changes (Last 90 Days)
MEDIUMMay 26, 2026NCT07197580Status: NOT_YET_RECRUITING → RECRUITING
LOWMay 24, 2026NCT07197580studyFirstPostDate: changed