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NCT04662580PHASE1ACTIVE_NOT_RECRUITING

ARX517/JNJ-95298177 as Monotherapy or Combination Therapy in Subjects With Metastatic Prostate Cancer

A Phase 1, Multicenter, Open-Label, Dose-Escalation, and Dose-Expansion Study to Evaluate the Safety, Pharmacokinetics, and Anti-Tumor Activity of ARX517 as Monotherapy and in Combination With Androgen Receptor Pathway Inhibitors in Subjects With Metastatic Prostate Cancer

Sponsor: Janssen Research & Development, LLC

No open prediction endpoints

Endpoints are classified and published by ProgramSignal analysts.

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Key Facts

Study type
INTERVENTIONAL
Conditions
Metastatic Prostate Cancer
Interventions
ARX517, Apalutamide, Abiraterone acetate, Prednisone
Enrollment
183 participants
Primary completion
Dec 2026
Study completion
Dec 2026
First posted
Dec 2020
Last updated
May 2026

Primary Endpoints (CT.gov)

Assess incidence of adverse events

Time frame: 1.5 Years

Secondary Endpoints

Area under the serum concentration-time curve (AUC) for ARX517 alone or in combination with ARPIs

Maximum serum concentration (Cmax) for ARX517 alone or in combination with ARPIs

Trough concentration (Ctrough) for ARX517 alone or in combination with ARPIs

Eligibility Criteria

Key Inclusion Criteria: * Male and ≥18 years at the time of providing written informed consent. * Histologically confirmed prostate adenocarcinoma. * For subjects who have not undergone an orchiectomy, must be undergoing treatment with a luteinizing hormone-releasing hormone (LHRH) agonist or antagonist and must agree to continue such therapy while on study treatment. Subjects enrolled to mCRPC cohorts must have serum testosterone levels of ≤50ng/dL (1.73nM at Screening). * Must receive prior treatment(s) as defined in the protocol for each cohort * Documented evidence of disease progression on or after the most-recent prior regimen for mCRPC cohorts * mCSPC combination cohorts: High volume metastatic disease documented by CT/MRI and/or 99mTC bone scan (for bone lesions) * Adequate blood counts * Must have at least 1 PSMA-positive metastatic lesion and no measurable PSMA-negative lesions by local assessment for alternative dosing regimen and combination cohorts. Key Exclusion Criteri

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✦ Analyst Commentary

Expert commentary on why this trial matters and what to watch for.

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Source

Open on ClinicalTrials.gov