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Introduction: Previous results showed a significant decrease in cocaine-using days among cocaine users treated homeopathic fifty-millesimal (LM) potencies of Opium and Erythroxylum coca, as compared to placebo. Those results might have been biased by low adhesion of crack-cocaine users to treatment, trend that has been observed in clinical trials and practice, usually performed in specialized services.

Homeopathy for Cocaine-Related Disorders: Implementing a Study Protocol in Primary Care (Cocacrack-3 Study Protocol)