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

NCT01946204

Active Not RecruitingPhase 3

Sponsor: Aragon Pharmaceuticals, Inc.

Conditions: Prostatic Neoplasms

Interventions: Apalutamide, Placebo

Countries: United States, Australia, Austria, Belgium, Canada, Czechia, Denmark, Finland

The purpose of this study is to evaluate the efficacy and safety of apalutamide in adult men with high-risk non-metastatic castration-resistant prostate cancer.

Eligibility overview

Sex: MALE

Age: 18 Years to —

Healthy volunteers: No

Study type: INTERVENTIONAL

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) must have at least a 4-week washout prior to randomization AND must show continuing disease (PSA) progression (an increase in PSA) after washout
* At least 4 weeks must have elapsed from the use of 5-alpha reductase inhibitors, estrogens, and any other anti-cancer therapy prior to randomization
* At least 4 weeks must have elapsed from major surgery or radiation therapy prior to randomization
* Eastern Cooperative Oncology Group Performance Status 0 or 1
* Resolution of all acute toxic effects of prior therapy or surgical procedure to Grade \<= 1 or baseline prior to randomization
* Adequate organ function according to protocol-defined criteria
* Administration of growth factors or blood transfusions will not be allowed within 4 weeks of the hematology labs required to confirm eligibility

Exclusion Criteria:

* Presence of confirmed distant metastases, including central nervous system and vertebral or meningeal involvement
* Symptomatic local or regional disease requiring medical intervention
* Prior treatment with second generation anti-androgens
* Prior treatment with CYP17 inhibitors
* Prior treatment with radiopharmaceutical agents, or any other investigational agent for non-metastatic castration-resistant prostate cancer
* Prior chemotherapy for prostate cancer except if administered in the adjuvant/neoadjuvant setting
* History of seizure or condition that may pre-dispose to seizure
* Concurrent therapy with protocol-defined excluded medications
* History or evidence of any of the following conditions: any prior malignancy (other than adequately treated basal cell or squamous cell skin cancer, superficial bladder cancer, or any other cancer in situ currently in complete remission) within 5 years prior to randomization; severe/unstable angina, myocardial infarction, symptomatic congestive heart failure, arterial or venous thromboembolic events, or clinically significant ventricular arrhythmias within 6 months prior to randomization; uncontrolled hypertension; gastrointestinal disorder affecting absorption; active infection; and, any other condition that, in the opinion of the investigator, would impair the patient's ability to comply with study procedures

Locations (379)

Birmingham, Alabama, United States
Anchorage, Alaska, United States
Chandler, Arizona, United States
Tucson, Arizona, United States
Duarte, California, United States
Fullerton, California, United States
Laguna Woods, California, United States
Los Angeles, California, United States
Orange, California, United States
Roseville, California, United States
Sacramento, California, United States
San Bernardino, California, United States
San Diego, California, United States
San Francisco, California, United States
Santa Monica, California, United States
Sherman Oaks, California, United States
Stanford, California, United States
Tarzana, California, United States
Torrance, California, United States
Denver, Colorado, United States
Englewood, Colorado, United States
Glenwood Springs, Colorado, United States
Grand Junction, Colorado, United States
Washington D.C., District of Columbia, United States
Aventura, Florida, United States
Boca Raton, Florida, United States
Bradenton, Florida, United States
Daytona Beach, Florida, United States
Fort Myers, Florida, United States
Hialeah, Florida, United States
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