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FPI-2053

Phase 1

Advanced Solid Tumor | Small molecule | Oncology |AstraZeneca PLC|Last Updated: May 26, 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 Enrollment70
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT06147037A Phase 1, Dose-escalation Study of [225Ac]-FPI-2068 in Adult Patients With Advanced Solid TumoursPHASE1 RECRUITING 70Jul 31, 2024May 12, 2028May 26, 202615 United States, Canada
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Study Endpoints
Primary Endpoints
Evaluate safety and tolerability of [111In]-FPI-2107, FPI-2053, and [225Ac]-FPI-2068
From informed consent up to approximately 5 years post last administration

Frequency, duration, and severity of AEs, DLTs, and changes in clinical, laboratory, and ECG parameters compared to baseline

Determine radiation dose of [111In]-FPI-2107 and [225Ac]-FPI-2068 to whole body, organs, and selected regions of interest.
Within 56 days of administration

Changes in uptake of \[111In\]-FPI-2107 and projected RAD of \[225Ac\]-FPI-2068 by imaging following the administration of varying doses of FPI-2053

Determine the RP2D of [225Ac]-FPI-2068, given with or without FPI-2053
56 days post administration

Estimates of residence time and absorbed radiation doses to the whole body, organs, and selected regions of interest for \[111In\]-FPI-2107 and \[225Ac\]-FPI-2068.

Determine the effect of predose administration of varying doses of FPI-2053 on the radiation dosimetry of [111In]-FPI-2107 and [225Ac]-FPI-2068 to whole body, organs, and selected regions of interest.
56 days post-administration

Changes in uptake of \[111In\]-FPI- 2107 and projected RAD of \[225Ac\]-FPI-2068 by imaging following the administration of varying doses of FPI-2053

Secondary Endpoints
Assess preliminary anti-tumor activity of [225Ac]-FPI-2068
Approximately 5 years post final administration
Tumor uptake of [111In]-FPI-2107
Within 56 days of administration
Pharmacokinetics (PK) of [111In]-FPI-2107, and [225Ac]-FPI-2068, by measuring changes in clearance, AUC, Cmax, and half-life.
From first dose of investigation product until 56 days after the last dose of investigational product.
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Study Design & Arms
AllocationNON_RANDOMIZED
MaskingNONE
ModelSEQUENTIAL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Dose Exploration and Dose EscalationEXPERIMENTALThe study conducted in two parts: Part A Dose Exploration and Part B Dose Escalation FPI-2053 dose exploration to determine the optimal pre-dose administration of FPI-2053 with a fixed dose of \[225Ac\]-FPI-2068. \[225Ac\]-FPI-2068 dose escalation with the optimal dose of FPI-2053 as determined in Part A.
Interventions
NameTypeDescription
FPI-2053DRUGFPI-2053 is a bispecific antibody that targets EGFR and cMET
[111In]-FPI-2107DRUG\[111In\]-FPI-2107 is an imaging agent in which indium-111 is conjugated to FPI-2053. Participants will have a fixed dose of \[111In\]-FPI-2107 followed by imaging scans (with or without pre-administration of FPI-2053).
[225Ac]-FPI-2068DRUG\[225Ac\]-FPI-2068 is a radiopharmaceutical therapy in which an alpha emitter, actinium-225, is conjugated to FPI-2053. Participants will be dosed through IV administration every 56 days for up to 3 cycles of the Treatment Period.
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Eligibility Criteria
Age Range18 Years — 130 Years
SexALL
Healthy VolunteersNo
Study Sites15

Key Inclusion Criteria: Histologically and/or cytologically confirmed solid tumor that is metastatic, locally advanced, recurrent or inoperable. Disease that has progressed despite prior treatment, and for which additional effective standard therapy is not available or is contraindicated, not tole...

Countries:United StatesCanada
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Recent Changes (Last 90 Days)
LOWMay 27, 2026NCT06147037lastUpdatePostDate: changed
LOWMay 27, 2026NCT06147037lastUpdatePostDate: changed
LOWMay 26, 2026NCT06147037primaryCompletionDate: changed
LOWMay 24, 2026NCT06147037studyFirstPostDate: changed