OBJECTIVES: I. Determine whether R115777 has any antitumor activity in patients with progressive, metastatic, hormone refractory prostate cancer. II. Determine the safety and pharmacokinetics of this regimen in this patient population.
OUTLINE: Patients receive oral R115777 every 12 hours on days 1-21. Courses repeat every 4 weeks in the absence of disease progression or unacceptable toxicity. Patients are followed every 3 months.
PROJECTED ACCRUAL: A total of 15-30 patients will be accrued for this study within 10-16 months.