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Safety and Efficacy Study of Enzalutamide in Patients With Nonmetastatic Castration-Resistant Prostate Cancer

NCT02003924

CompletedPhase 3

Sponsor: Pfizer

Conditions: Nonmetastatic Castration-Resistant Prostate Cancer, Prostate Cancer, Cancer of the Prostate

Interventions: Enzalutamide, Placebo

Countries: United States, Argentina, Australia, Austria, Belgium, Brazil, Canada, Chile

The purpose of this study is to assess the safety and efficacy of enzalutamide in patients with non metastatic 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, signet cell, or small cell features;
* Ongoing androgen deprivation therapy with a gonadotropin-releasing hormone (GnRH) agonist/antagonist or prior bilateral orchiectomy (medical or surgical castration);
* Testosterone ≤ 50 ng/dL (≤ 1.73 nmol/L) at screening;
* Progressive disease on androgen deprivation therapy at enrollment;
* PSA and the screening PSA assessed by the central laboratory (central PSA) should be ≥ 2 µg/L (2 ng/mL:
* PSA doubling time ≤ 10 months;
* No prior or present evidence of metastatic disease;
* Asymptomatic prostate cancer;
* Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1;
* Estimated life expectancy ≥ 12 months.

Exclusion Criteria:

* Prior cytotoxic chemotherapy;
* Use of hormonal therapy or biologic therapy for prostate cancer (other than approved bone targeting agents and GnRH agonist/antagonist therapy) or use of an investigational agent within 4 weeks of randomization;
* Known or suspected brain metastasis or active leptomeningeal disease;
* History of another invasive cancer within 3 years of randomization;
* Absolute neutrophil count \< 1000/μL, platelet count \< 100,000/μL, or hemoglobin \< 10 g/dL (6.2 mmol/L) at screening;
* Total bilirubin ≥ 1.5 times the upper limit of normal;
* Creatinine \> 2 mg/dL (177 µmol/L) at screening;
* Albumin \< 3.0 g/dL (30 g/L) at screening;
* History of seizure or any condition that may predispose to seizure;
* Clinically significant cardiovascular disease;
* Gastrointestinal disorder affecting absorption;
* Major surgery within 4 weeks of randomization;
* Hypersensitivity reaction to the active pharmaceutical ingredient or any of the capsule components, including Labrasol, butylated hydroxyanisole, and butylated hydroxytoluene;
* Any concurrent disease, infection, or comorbid condition that interferes with the ability of the patient to participate in the trial, which places the patient at undue risk, or complicates the interpretation of data, in the opinion of the investigator or medical monitor.

Locations (397)

Tucson, Arizona, United States
Los Angeles, California, United States
Los Angeles, California, United States
Orange, California, United States
San Luis Obispo, California, United States
Englewood, Colorado, United States
New Haven, Connecticut, United States
New Haven, Connecticut, United States
New Haven, Connecticut, United States
New Haven, Connecticut, United States
New Haven, Connecticut, United States
Lakeland, Florida, United States
Carmel, Indiana, United States
Jeffersonville, Indiana, United States
Lafayette, Indiana, United States
Overland Park, Kansas, United States
Wichita, Kansas, United States
Baltimore, Maryland, United States
Ann Arbor, Michigan, United States
Troy, Michigan, United States
Omaha, Nebraska, United States
Brooklyn, New York, United States
Newburgh, New York, United States
Cary, North Carolina, United States
Charlotte, North Carolina, United States
Gastonia, North Carolina, United States
Gastonia, North Carolina, United States
Huntersville, North Carolina, United States
Raleigh, North Carolina, United States
Middleburg Heights, Ohio, United States
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