Figure 1From: Cocaine Addiction Treatments to improve Control and reduce Harm (CATCH): New Pharmacological Treatment Options for Crack-Cocaine Dependence in the Netherlands Flowchart inclusion patients with respect to double-consent selection procedure. * Patients participating in the dexamphetamine study must have a minimal duration of cocaine dependency of five years and a history of earlier failed treatments aimed at reducing or abstaining from cocaine use.Back to article page