Psychiatric care cuts drug harm in vietnam study

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: Drive Mind II Psychiatric intervention group: Participants of the ANRS 12353/National Institue of Drug Abuse (NIDA) Region of Interest (ROI) DA 041978 DRIVE study (age \> 18 years; positive urine test for heroin and/or methamphetamine \& skin marks of injection) who either: * participated to the DRIVE Mind I cohort * were candidate for the DM II control group but were diagnosed at inclusion with a major depressive disorder, psychotic disorder or suicide risk (MINI semi-structured interview) or any other significant psychiatric disorder requiring support and treatment (clinical diagnosis of a psychiatrist); * participants recruited in the control group diagnosed at any step of the one-year follow-up with a major depressive disorder, a psychotic disorder or suicide risk (MINI semi-structured interview) or any other significant psychiatric disorder requiring support and treatment (clinical diagnosis of a psychiatrist) at M6 will be proposed to join the psychiatric cohort; * Signed informed consent form. Participants eligible for the DM II cohort but refusing the principle of a treatment will nevertheless be included in the psychiatric cohort for follow-up, counselling and support except if the severity of the clinical situation requires immediate hospitalization in the mental health department. Drive Mind II control group Participants of the ANRS 12353/NIDA ROI DA 041978 DRIVE study (age \> 18 years; positive urine test for heroin and/or methamphetamine \& skin marks of injection): * who participated to the DRIVE M30 survey and * were screened negative for a potential psychiatric disorder at DRIVE M30 visit (Quick screening tool, QST) and * are free of a major depressive disorder, a psychotic disorder or suicide risk (MINI semi-structured interview) or any other significant psychiatric disorder requiring support and treatment (clinical diagnosis of a psychiatrist) at DM II cohort initiation * Signed informed consent form. Recruitment in the control group will take place until 200 HIV+ and 200 HIV- are enrolled Exclusion Criteria: * Severe psychiatric condition at cohort initiation requiring immediate hospitalization in the mental health department * Severe associated diseases requiring specific treatment incompatible with a psychiatric ambulatory follow-up and treatment; * Any condition which might, in the investigator's opinion, compromise the safety of the patient by participating in the study including very severe clinical condition; * Contraindication for treatment with mirtazapine, sertraline, risperidone, olanzapine, sulpiride, quetiapine, melatonine; * Person deprived of freedom by a judicial or administrative decision; * Person who plan to move out from Hai Phong in the next 12 months; * Person unable to understand the study.