A Study of JNJ-69086420, an Actinium-225-Labeled Antibody Targeting Human Kallikrein-2 (hK2) for Advanced Prostate Cancer

• Status: Recruiting
• Trial end date: 2023-07-07
• Target enrollment: 0
• Participant gender: Male

Summary

The purpose of this study is to determine the recommended Phase 2 dose(s) (RP2D[s]) of JNJ-69086420 in Part 1 (Dose Escalation) and to determine safety and and preliminary signs of clinical activity at the RP2D(s) in Part 2 (Dose Expansion).

• Phase: Phase 1
• Accepts Healthy Volunteers?: No

Details

• Lead Sponsor: Janssen Research & Development, LLC

Criteria

Inclusion Criteria:

• Histologic: metastatic castration-resistant prostate cancer (mCRPC) with histologic confirmation of adenocarcinoma. Adenocarcinoma with small-cell or neuroendocrine features is allowed

• Must have had prior exposure to at least one novel androgen receptor (AR) targeted therapy (example, abiraterone acetate, enzalutamide, apalutamide, darolutamide); prior taxane or other chemotherapy is acceptable but not required

• Treatment with other agents for prostate cancer, if received, must have been discontinued greater than or equal to (>=) 2 weeks prior to first dose of study drug.

• Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1

• Adequate organ functions as reflected in laboratory parameters

Exclusion Criteria:

• Part 1: Prior treatment with radium Xofigo (Ra 223 dichloride), strontium, or samarium therapy or radioconjugate therapy

• Known history of myelodysplastic syndrome, leukemia, or hematological malignancy with features suggestive of myelodysplastic syndrome/acute myeloid leukemia at any timepoint

• Toxicity from prior anticancer therapy has not resolved to baseline levels or to Grade less than or equal to <= 1 (except alopecia, radiation tissue fibrosis, or peripheral neuropathy)

• Known allergies, hypersensitivity, or intolerance to JNJ-69086420 or its excipients and protein therapeutics

• Active or chronic hepatitis B or hepatitis C infection.