A Phase I Trial of the Hypoxia Detection Agent EF5 (NSC 684681) in Patients With Cervix and Breast and Prostate Carcinomas, and High Grade Soft Tissue Sarcomas
OBJECTIVES: I. Determine the optimal dose of etanidazole derivative EF5 that is safely
tolerated and provides optimal binding in resected tumor specimens or tumor biopsies in
patients with breast, head and neck, prostate, or cervical carcinoma or high grade soft
tissue sarcomas. II. Define the toxic effects of EF5 in this patient population.
OUTLINE: This is a dose-escalation study. Patients receive etanidazole derivative EF5 IV
over 1-2 hours. Approximately 24-48 hours after EF5 treatment, patients undergo surgical
resection or biopsy of tumor. Cohorts of 6 patients receive escalating doses of EF5 until
the maximum tolerated dose (MTD) or optimal dose is determined. The MTD is defined as the
dose preceding that at which 2 of 6 patients experience dose-limiting toxicity. The optimal
dose is defined as the dose level at or preceding the MTD and resulting in optimal
tumor-to-normal-tissue binding. Patients are followed at 28 days.
PROJECTED ACCRUAL: A total of 18-36 patients will be accrued for this study within 12-18
months.
Interventional
Primary Purpose: Diagnostic
Anthony Fyles, MD
Study Chair
Princess Margaret Hospital, Canada
United States: Federal Government
CDR0000067516
NCT00004261
December 1999
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