Prospective evaluation of hydrocortisone and suramin in patients with androgen-independent prostate cancer

Journal of Clinical Oncology : Official Journal of the American Society of Clinical Oncology
W K KellyH I Scher

Abstract

To assess efficacy of intermittent infusion of suramin in patients with androgen-independent prostate cancer who have had disease progression on hydrocortisone. Chemotherapy-naive patients with progressive androgen-independent prostate cancer were given hydrocortisone 40 mg/d and monitored for treatment effect. At the time of disease progression, suramin was administered on a pharmacokinetically derived, 2-week dosing schedule. Thirty patients with a median Karnofsky performance status (KPS) of 90% were treated with hydrocortisone. No responses were seen in 12 patients with measurable disease or 29 patients with abnormal bone scans. Thirty patients had an increasing prostate-specific antigen (PSA) level before treatment and six (20%) had a more than 50% decline in PSA from the baseline value for a median of 16 weeks (range, 12 to 52+). Twenty-eight patients had disease progression after a median of 7 weeks (range, 3 to 23), and two patients have continued to receive hydrocortisone for 44 and 52 weeks. Twenty-eight patients received hydrocortisone and suramin, with median suramin concentrations of 97 to 170 micrograms/mL for 4 weeks. No responses in measurable disease and no improvements in bone scans were seen. Five patients (1...Continue Reading

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