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Ac-AKY-1189

Phase 1

Urothelial Carcinoma Bladder | Small molecule | Oncology |Aktis Oncology, Inc.|Last Updated: Apr 21, 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 Enrollment150
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT07020117A Study of [225Ac]Ac-AKY-1189 in Patients With Solid TumorsPHASE1 RECRUITING 150Aug 22, 2025Jun 1, 2032Apr 21, 20269 United States
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Study Endpoints
Primary Endpoints
Part 1: Number of Patients with Dose-Limiting Toxicities
From enrollment to the end of Cycle 1 (each cycle is 28 days)

• Dose-limiting toxicities (DLTs) is defined as any predefined AE occurring during the DLT observation period, except those that are clearly and incontrovertibly due to extraneous circumstances. The number of patients who experience a DLT in Part 1, will be reported by dose level.

Part 1: Occurence of Adverse Events by Severity
Up to the End of Treatment (30 days after the last dose)

• An AE is defined as any untoward medical occurrence in a participant administered study drug, which does not necessarily have to have a causal relationship with the study drug. The number of patients experiencing an AE in Part 1 will be reported.

Part 2: Objective Response Rate (ORR)
Up to 30 days following last administration

• Objective response rate is defined as the percentage of patients who achieved a best overall response of confirmed Complete Response (CR) or Partial Response (PR), as determined by the investigator based on RECIST 1.1, by tumor types.

Secondary Endpoints
Part 1: Objective Response Rate (ORR)
Up to 30 days following last adminstration
Part 2: Occurence of Adverse Events by Severity
Up to End of Treatment (30 days after the last dose)
Part 1 and 2: Duration of Response (DOR)
Up to 5 years after first administration
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Study Design & Arms
AllocationNA
MaskingNONE
ModelSINGLE_GROUP
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
[225Ac]Ac-AKY-1189EXPERIMENTAL -
Interventions
NameTypeDescription
[225Ac]Ac-AKY-1189 (therapeutic)DRUG\[225Ac\]Ac-AKY-1189 Injection
[64Cu]Cu-AKY-1189 (imaging)DRUG\[64Cu\]Cu-AKY-1189 Injection
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Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites9

Inclusion Criteria: * Histologic or cytologic confirmation of locally advance or metastatic disease * Radiologic confirmation on CT of at least one measurable tumor lesion per RECIST v1.1 * ECOG Performance Status of 0 or 1 * Adequate end-organ function * Ability to give informed consent and comply...

Countries:United States
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Recent Changes (Last 90 Days)
LOWMay 26, 2026NCT07020117primaryCompletionDate: changed
LOWMay 24, 2026NCT07020117studyFirstPostDate: changed