Doxercalciferol Before Surgery in Treating Localized Prostate Cancer
Prostate Cancer

About this trial
This is an interventional treatment trial for Prostate Cancer focused on measuring adenocarcinoma of the prostate, stage I prostate cancer, stage II prostate cancer
Eligibility Criteria
DISEASE CHARACTERISTICS: Histologically or cytologically confirmed localized adenocarcinoma of the prostate Candidate for prostatectomy PATIENT CHARACTERISTICS: Age: 21 and over Performance status: Not specified Life expectancy: Not specified Hematopoietic: WBC at least 4,000/mm^3 Platelet count at least 100,000/mm^3 Hepatic: Bilirubin no greater than 1.4 mg/dL AST no greater than 3 times normal Renal: Creatinine no greater than 2.0 mg/dL Calcium no greater than 10.2 mg/dL No idiopathic urinary calcium stone disease PRIOR CONCURRENT THERAPY: Biologic therapy: Not specified Chemotherapy: Not specified Endocrine therapy: No prior hormonal therapy for prostate cancer No concurrent hormonal therapy, including luteinizing hormone-releasing hormone agonists, antiandrogens, glucocorticoids, ketoconazole, finasteride, diethylstilbestrol, or progestins Radiotherapy: No prior brachytherapy or external beam radiotherapy for prostate cancer Surgery: See Disease Characteristics Other: At least 7 days since prior vitamin D therapy or calcium supplements No other concurrent vitamin D analogues or calcium supplements No concurrent magnesium-containing antacids No concurrent thiazide-containing diuretics No concurrent phenytoin, phenobarbital, glutethimide, digoxin, or digitalis
Sites / Locations
- Holden Comprehensive Cancer Center at University of Iowa
- James P. Wilmot Cancer Center at University of Rochester Medical Center
- Veterans Affairs Medical Center - Madison
- Meriter Hospital
- University of Wisconsin Comprehensive Cancer Center
- Medical College of Wisconsin Cancer Center
Arms of the Study
Arm 1
Arm 2
Placebo Comparator
Active Comparator
Observation, then prostatectomy
Doxercalciferol once daily for 28 days
Arm 2: Patients undergo observation for 28 days. Patients then undergo prostatectomy.
Dietary supplement once daily to treat prostate cancer for 28 days