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Sponsor: University of Washington
Conditions: Prostate Cancer
Interventions: Flutamide, Leuprolide Acetate
Countries: United States
This study was a prospective analysis in men with localized prostate cancer who had rising Prostate Specific Antigen (PSA) levels after definitive treatment with surgery or radiation. Patients received Intermittent Androgen Suppression (IAS) in 9 month cycles until they became metastatic, became castrate resistant, or withdrew from the study. Subjects were monitored for time to development of Castration Resistant Prostate Cancer (CRPC) and overall survival. They were also monitored for the impact of IAS on a variety of neuro-psychiatric assessments and on bone density.
Sex: MALE
Age: 21 Years to —
Healthy volunteers: No
Study type: INTERVENTIONAL
Inclusion Criteria: * Biochemical relapse (rising PSA) after initial treatment (radiation therapy, brachytherapy, or radical prostatectomy) for histologically or cytologically confirmed adenocarcinoma of the prostate * Clinical stage A2, B, C, D1 * Age: older than 21 years old * Performance status of 0 or 1 * Pretreatment serum testosterone, normal range (or no clinical evidence of testosterone deficiency). * If less than 30 months since completion of radiation therapy, biopsy of prostate suggested within 6 months of study entry. If more than or equal to 30 months since completion of radiation therapy, biopsy of prostate suggested within 1 year. * Written informed consent. Exclusion Criteria: * Abnormal bone scan suggestive of metastatic osseous disease. * Previous hormonal manipulation including orchiectomy or any medication with significant antiandrogenic activity (combined androgen suppression over 9 months, monotherapy antiandrogens, estrogens, ketoconazole). \*Neoadjuvant androgen suppression therapy of less than or equal to 3 months is allowed, if this androgen suppression therapy was completed more than or equal to 1 year prior to study enrollment AND if the Testosterone level is within the normal ranges. * Any systemic chemotherapy or curative radiotherapy within 6 months. * Hepatic dysfunction: * Total bilirubin greater than 2.0 mg/dl * Aspartate transaminase (AST; SGOT) greater than 3 times the upper limit of normal range * Lactate dehydrogenase (LDH) greater than 3 times the upper limit of normal range). * Renal dysfunction: * Blood urea nitrogen (BUN) greater than 40 mg/dl * Serum Creatinine greater than 2.0 mg/dl. * History or presence of other malignancy within the last 5 years (except treated squamous/basal cell carcinoma of the skin or superficial bladder carcinoma). * Hypersensitivity to flutamide or leuprolide.
- Seattle, Washington, United States