J Psychoactive Drugs. 1999 Oct-Dec; 31(4): 451-5.

Therapeutic use of cannabis by crack addicts in Brazil.

Labigalini E, Rodrigues LR, Da Silveira DX.

Departamento De Psiquiatria, Escola Paulista De Medicina, Universidade Federal De SÃ£o Paulo, Brazil. eliseul@uol.com.br

This study ensued from clinical observations based on spontaneous accounts by crack abusers undergoing their first psychiatric assessment, where they reported using cannabis in an attempt to ease their own withdrawal symptoms. Throughout a period of nine months, the researchers followed up on 25 male patients aged 16 to 28 who were strongly addicted to crack, as diagnosed through the Composite International Diagnostic Interview (CIDI), according to CID-10 and DSM-IV diagnostic criteria. Most of the subjects (68%, or 17 individuals) ceased to use crack and reported that the use of cannabis had reduced their craving symptoms, and produced subjective and concrete changes in their behavior, helping them to overcome crack addiction. The authors discuss some psychological, pharmacological and cultural aspects of these findings.