A Phase II Trial of Leuprolide + Flutamide + Suramin in Untreated Poor Prognosis Prostate Carcinoma

Summary

One current hypothesis as to what limits duration of initial hormone response is the rapid emergence of hormone resistant prostate carcinoma cells. Suramin has shown effectiveness as a treatment for hormonally refractory prostate carcinoma. Survival was less in patients with high rather than low circulating androgen levels. Thus, suramin might slow the emergence of hormone refractory tumor cells while combined androgen ablation may maximize the effectiveness of suramin. In this trial, we will pilot this concept.

Timeline

Start

1990-10

Primary completion

—

Completion

2003-08

Publications

• Background Ashby H, DiMattina M, Linehan WM, Robertson CN, Queenan JT, Albertson BD. The inhibition of human adrenal steroidogenic enzyme activities by suramin. J Clin Endocrinol Metab. 1989 Feb;68(2):505-8. doi: 10.1210/jcem-68-2-505.
• Background Belanger A, Giasson M, Couture J, Dupont A, Cusan L, Labrie F. Plasma levels of hydroxy-flutamide in patients with prostatic cancer receiving the combined hormonal therapy: an LHRH agonist and flutamide. Prostate. 1988;12(1):79-84. doi: 10.1002/pros.2990120110.
• Background Badalament RA, Drago JR. Prostate cancer. Promising advances that may alter survival rates. Postgrad Med. 1990 Apr;87(5):65-7, 70-2. doi: 10.1080/00325481.1990.11704627.

Drugs

Indications