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Investigational New Drugs 2004-Apr

Phase I trial of the polyamine analog N1,N14-diethylhomospermine (DEHSPM) in patients with advanced solid tumors.

Ní féidir ach le húsáideoirí cláraithe ailt a aistriú
Logáil Isteach / Cláraigh
Sábháiltear an nasc chuig an gearrthaisce
George Wilding
David King
Kendra Tutsch
Marcia Pomplun
Chris Feierabend
Dona Alberti
Rhoda Arzoomanian

Keywords

Coimriú

BACKGROUND

This phase I study was conducted to determine maximal tolerated dose (MTD) and dose-limiting toxicities (DLT) in patients with advanced solid tumors treated with the polyamine analog N1, N14-diethylhomospermine (DEHSPM).

METHODS

Patients were treated with DEHSPM administered as a subcutaneous (SC) injection daily for five consecutive days repeated every 4 weeks. Three dose levels were examined starting at 12.5 mg/m2/day, escalating to 37.5 mg/m2/day.

RESULTS

A total of 15 patients were enrolled. Dose limiting toxicities (grade 3 or 4) included nausea, vomiting, constipation, ileus, elevations of aspartate aminotransferase (AST) and alkaline phosphatase, hyperbilirubinemia, and ventricular bigeminy.

CONCLUSIONS

DEHSPM given as a SC injection is overall well tolerated at lower doses, but significant toxicities were observed at the 37.5mg/m2/day dose level. MTD was established at 25 mg/m2/day but further investigation with this study drug is not recommended secondary to the potential for neurotoxicities and hepatic damage as a result of cumulative doses.

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