Status:

RECRUITING

Safety, Pharmacokinetics, and Preliminary Efficacy of VIR-5500 (AMX-500) in Prostate Cancer

Lead Sponsor:

Vir Biotechnology, Inc.

Conditions:

Hormone-refractory Prostate Cancer

Eligibility:

MALE

18+ years

Phase:

PHASE1

Brief Summary

The study will be conducted in 4 parts and will commence with dose escalation of VIR-5500 as a monotherapy (Part 1), followed by combination escalation (Part 3a), monotherapy dose expansion (Part 2) a...

Detailed Description

Duration of the study up to approximately 48 months.

Eligibility Criteria

Inclusion

  • Applicable to Parts 1 and 2
  • Have metastatic disease, defined by ≥ 1 metastatic lesion that is present on baseline computed tomography (CT), magnetic resonance imaging (MRI), or bone scan imaging
  • Have documented progressive mCRPC based on ≥ 1 of the criteria (per PCWG3)
  • Have been treated with ≥ 1 second-generation androgen-signaling inhibitor, including abiraterone, apalutamide, darolutamide, and/or enzalutamide
  • Have been treated with ≥ 1 prior taxane regimens (e.g., docetaxel, cabazitaxel)
  • Are deemed unsuitable for standard of care
  • Applicable to Part 2 Cohort 1
  • • Must have received standard-of-care radioligand-based therapies, including PSMA-targeted radiopharmaceutical therapy, such as 177Lu-PSMA-617
  • Applicable to Part 3a and Part 4a
  • Have metastatic CRPC, defined by ≥ 1 metastatic lesion that is present on baseline CT, MRI, or bone scan imaging that has documented progressive disease (PD) based on ≥ 1 of the following criteria (per PCWG3)
  • Have metastatic HSPC, defined by at least 1 and no more than 5 metastatic lesions with no visceral involvement that are present on baseline CT, MRI, or bone scan imaging
  • Have biochemical recurrent prostate cancer

Exclusion

  • Presence of dominant histopathological features representative of sarcomatoid, spindle cell, or neuroendocrine small cell components
  • Has acute or chronic infections
  • Has a concomitant medical or inflammatory condition that may increase the risk of toxicity to VIR-5500, per the Investigator
  • Has lesions in proximity of vital organs
  • Has known active CNS metastases and/or carcinomatous meningitis The above information is not intended to contain all considerations relevant to a patient's potential participation in a clinical trial.

Key Trial Info

Start Date :

August 10 2023

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

September 29 2027

Estimated Enrollment :

390 Patients enrolled

Trial Details

Trial ID

NCT05997615

Start Date

August 10 2023

End Date

September 29 2027

Last Update

September 24 2025

Active Locations (8)

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Page 1 of 2 (8 locations)

1

Investigational Site Number: 100

Melbourne, Australia, 3000

2

Investigational Site Number: 101

Sydney, Australia, 2010

3

Investigational Site Number: 251

Barcelona, Spain, 08023

4

Investigational Site Number: 250

Barcelona, Spain, 08035