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NCT01946204PHASE3ACTIVE_NOT_RECRUITING

A Study of Apalutamide (ARN-509) in Men With Non-Metastatic Castration-Resistant Prostate Cancer

A Multicenter, Randomized, Double-Blind, Placebo-Controlled, Phase III Study of ARN-509 in Men With Non-Metastatic (M0) Castration-Resistant Prostate Cancer

Sponsor: Aragon Pharmaceuticals, Inc.

No open prediction endpoints

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Key Facts

Study type
INTERVENTIONAL
Conditions
Prostatic Neoplasms
Interventions
Apalutamide, Placebo
Enrollment
1,207 participants
Primary completion
May 2017
Study completion
Dec 2027
First posted
Sep 2013
Last updated
May 2026

Primary Endpoints (CT.gov)

Metastasis-Free Survival (MFS) by Blinded Independent Central Review (BICR)

Time frame: Up to approximately 43 Months

Secondary Endpoints

Time to Metastasis (TTM)

Progression-free Survival (PFS)

Time to Symptomatic Progression

Eligibility Criteria

Inclusion Criteria: * Histologically or cytologically confirmed adenocarcinoma of the prostate without neuroendocrine differentiation or small cell features with high risk for development of metastases, defined as prostate-specific antigen doubling time (PSADT) less than or equal to (\<=) 10 months. PSADT is calculated using at least 3 prostate-specific antigen (PSA) values obtained during continuous ADT (androgen deprivation therapy) * Castration-resistant prostate cancer demonstrated during continuous ADT, defined as 3 PSA rises, at least 1 week apart, with the last PSA greater than (\>) 2 nanogram per milliliter (ng/mL) * Maintain castrate levels of testosterone within 4 weeks prior to randomization and throughout the study * Patients currently receiving bone loss prevention treatment with bone-sparing agents must be on stable doses for at least 4 weeks prior to randomization * Patients who received a first generation anti-androgen (for example, bicalutamide, flutamide, nilutamide)

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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