 Evaluation. Evaluation of cocaine craving was assessed weekly through the Cocaine Craving Questionnaire CCQ-G 43-46. The CCQ-G measures the desire or urge level for drug consumption throughout the 45 Likert items established in the Questionnaire. The Likert scale consisted of seven options ranging from 1 to 7. Indicating from the lowest number 1 complete disagree of questions askeditem and the highest number 7 complete agreement of questions answereditem. CCQ-G items were written in past tense, with the intention that participants could report their cocaine craving status level during the previous week. Main items in the CCQ-G used to assess cocaine craving defined as factors were; a. Elements that denote intense cocaine craving factor 1; b. Items that related to the anticipation of positive results factor 2; c. Anticipation of relief from drug-withdrawal symptoms factor 3; and d. Items that perceived a lack of control over cocaine consumption, denoting the intention and planning for cocaine consumption factor 4. 