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153Sm-DOTMP

Phase 1

Bone Pain | Small molecule | Oncology |Telix Pharmaceuticals Limited|Last Updated: May 14, 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
UNCONTROLLEDBiomarker
Total Trials1
Total Enrollment33
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT07197645Samarium Optimized for Long-lasting Analgesia in Cancerous End-stage Bone PainPHASE1 RECRUITING 33Oct 21, 2025Jul 5, 2027May 14, 20266 United States
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Study Endpoints
Primary Endpoints
Incidence and severity of treatment-emergent adverse events (TEAEs) [Safety and Tolerability]
Up to 6 weeks post-dose

Incidence and severity of hematologic and non-hematologic toxicities, graded per CTCAE v5.0, assessed through 6 weeks post-dose.

Secondary Endpoints
Change from baseline in patient-reported bone pain severity using the NRS-11 scale on the form
Baseline to 16 weeks post-dose
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Study Design & Arms
AllocationNA
MaskingNONE
ModelSEQUENTIAL
PurposeSUPPORTIVE_CARE
Treatment Arms
ArmTypeDescription
Part A - Cohort 1EXPERIMENTALDose Escalation
Interventions
NameTypeDescription
153Sm-DOTMPDRUGTLX090-Tx will be administered as a single ascending intravenous dose to participants with at least 1 confirmed painful osteoblastic bone tumor that exhibits avid uptake as shown by 99mTcdiphosphonate bone scans undertaken within 60 days of dosing.
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Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites6

Inclusion Criteria: * Participants have had disease progression while on anti-cancer treatment, and are not eligible for the treatments, or their lesions are not amenable to palliative EBRT. * Participants must have a histologically confirmed diagnosis of malignancy at any time prior to their parti...

Countries:United States
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Recent Changes (Last 90 Days)
LOWMay 26, 2026NCT07197645primaryCompletionDate: changed
LOWMay 24, 2026NCT07197645studyFirstPostDate: changed