Status:

ACTIVE_NOT_RECRUITING

Phase I/II Study of [225Ac]Ac-PSMA-R2 in PSMA-positive Prostate Cancer, With/Without Prior 177Lu-PSMA RLT

Lead Sponsor:

Novartis Pharmaceuticals

Conditions:

Prostate Cancer

Eligibility:

MALE

18-100 years

Phase:

PHASE1

PHASE2

Brief Summary

This is an open label, phase I/II, multi-center study in adult participants with metastatic hormone sensitive prostate cancer (mHSPC) and with metastatic castration resistant prostate cancer (mCRPC) w...

Detailed Description

The study contains three groups (Group 1, Group 2, and Group 3). Each group has a dose escalation part at a specific dosing schedule followed by a dose expansion part. The dose escalation parts in eac...

Eligibility Criteria

Inclusion

  • Key
  • Evidence of PSMA-positive disease by 68Ga-PSMA-11 PET/CT and eligible as determined by central reading
  • Documented progressive mCRPC or mHSPC
  • Adequate organ function
  • Prior orchiectomy or ongoing ADT and should have received prior 177Lu-PSMA-RLT (Group1 dose escalation \& expansion) or never received 177Lu-PSMA-RLT (Group 2 and Group 3 dose escalation \& expansion).
  • Key

Exclusion

  • Any other investigational agents within 28 days of the anticipated C1D1 of 225Ac-PSMA-R2 therapy
  • Any systemic anti-cancer therapy within 28 days of the anticipated C1D1 of 225Ac-PSMA-R2 therapy
  • Uncontrolled pain or incompatibility that may result in participant's lack of ability to comply with imaging procedures
  • History of CNS metastases and symptomatic cord compression, or clinical or radiologic findings indicative of impending cord compression
  • History of myocardial infarction, angina pectoris, or coronary artery bypass graft within 6 months prior to ICF signature and/or clinically active significant cardiac disease
  • Diagnosis of other malignancies in the past three years expected to alter life expectancy or may interfere with disease assessment
  • Other protocol-defined inclusion/exclusion criteria may apply.

Key Trial Info

Start Date :

November 7 2023

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

November 5 2029

Estimated Enrollment :

29 Patients enrolled

Trial Details

Trial ID

NCT05983198

Start Date

November 7 2023

End Date

November 5 2029

Last Update

December 22 2025

Active Locations (12)

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Page 1 of 3 (12 locations)

1

BAMF Health

Grand Rapids, Michigan, United States, 49503

2

Mayo Clinic Rochester

Rochester, Minnesota, United States, 55905

3

Novartis Investigative Site

Darlinghurst, New South Wales, Australia, 2010

4

Novartis Investigative Site

Melbourne, Victoria, Australia, 3004