The subjective effects of cocaine: Relationship to years of cocaine use and current age

Abstract

Background: Little is known about whether the duration of cocaine use or an individual's age may influence the acute effects of cocaine, patterns of use, and specific treatment needs. Objectives: This post hoc analysis determined whether the duration of cocaine use or current age influenced the acute subjective response to cocaine. Data from four smoked cocaine self-administration laboratory studies were combined and analyzed to determine whether the subjective effects of a 25-mg smoked cocaine dose varied as a function of years of cocaine use or current age. Methods: Thirty-six nontreatment-seeking healthy cocaine users (ages 3249) were admitted to studies lasting from 12 to 105 days. Parti..