A Study of [225Ac]Ac-AKY-1189 in Patients With Solid Tumors
NECTINIUM-2: A Phase 1b, 2 Part, Multicenter, Single Arm, Open Label Study to Evaluate the Safety and Efficacy of a Nectin-4 Radiopharmaceutical ([225Ac]Ac-AKY-1189) in Patients With Previously Treated Locally Advanced or Metastatic Solid Tumors
Aktis Oncology, Inc.
150 participants
Aug 22, 2025
INTERVENTIONAL
Conditions
Summary
This is a first-in-human Phase 1b, 2-part, multicenter open-label clinical study to evaluate safety and efficacy of a Nectin-4 radiopharmaceutical (\[225Ac\]Ac-AKY-1189) in patients with locally advanced or metastatic solid tumors and to establish the maximum tolerated dose (MTD) or maximum administered dose (MAD) and the recommended Phase 2 dose.
Eligibility
Inclusion Criteria7
- 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 with study requirements
- Patients with CNS metastases are eligible if they have received therapy and are neurologically stable, asymptomatic and not receiving corticosteroids
- Documented disease progression on prior line of therapy for metastatic disease
Exclusion Criteria5
- Prior treatment with a therapeutic radiopharmaceutical
- Prior treatment with a Nectin-4 targeted therapy, except enfortumab vedotin
- Received an investigational agent within the previous 28days
- Prior treatment with a cytotoxic chemotherapy, targeted therapy, biologic agent, immunotherapy or external-beam radiotherapy in the 3 weeks prior to study treatment
- Concurrent serious medical condition that would impair study participation or impact the assessment of treatment related toxicity
Interventions
\[225Ac\]Ac-AKY-1189 Injection
\[64Cu\]Cu-AKY-1189 Injection
Locations(9)
View Full Details on ClinicalTrials.gov
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NCT07020117