Ondansetron for the Treatment of Cocaine Dependence - 1

Double-Blind, Placebo-Controlled Trial of Ondansetron for the Treatment of Cocaine Dependence

The purpose of this study is to assess the efficacy and safety of ondansetron to reduce cocaine use in subjects with cocaine dependence.

Double-blind, placebo-controlled, 4-parallel group design to assess the efficacy and safety of 3 wide range doses of ondansetron to reduce cocaine use in subjects with cocaine dependence and to determine the optimal dose of ondansetron.

Inclusion Criteria:

Male/Female, at least 18 yrs of age; DSM-4 diagnosis of cocaine dependence; seeking Treatment for cocaine dependence; have ability to understand, having understood and provide written consent; females of child bearing potential that use accepted method of birth control

Exclusion Criteria:

Additional criteria available during screening at the site.