The aim of this study is to have a better understanding of the relationship between self-controle difficulties (and more specifically the inhibition deficit in impulsivity), emotional regulation disorders such as alexithymia and craving.This study will be the first in France to specify the interactions between self-regulkation processes dysfunctions and emotional dysfunctions in craving.

The main objective is to measure the level of cocaine craving, 6 months after the end of their detoxification treatment (outpatient or full hospitalization), in patients with a diagnosis of moderate to severe dependence (DSM 5) to cocaine and co-addiction, or not, to alcohol and / or psychostimulants. To evaluate cocaïne craving,the questionnaire CCQ-Brief will be used.

Inclusion Criteria:

• Patient, men or women between 18 and 60 years-old
• Patient with a diagnosis of moderate to severe dependence (DSM 5) to cocaine with or without co-addictions to alcohol or psychostimulant.
• Patient on day-hospitalisation or full hospitalisation
• Patient affiliated or beneficiary to a social security scheme.
• Patient having signed the free and informed consent.

Exclusion Criteria:

• Patient with psychiatric disorders psychosis type
• Patient with severe chronic somatic disease.
• Patient participating in another clinical study
• Protected patient: adult under guardianship, curatorship or other legal protection, deprived of liberty by judicial or administrative decision.
• Pregnant, breastfeeding or parturient woman.
• Patient hospitalized without consent.