Evaluation of the Relevance of Pharmacogenetics in the Prescription Off Antidepressants in a Military Population

A blood sample will be collected at enrollment to perform pharmacogenetics analyses.

Several questionnaires will be filled by the participants or by the clinicians at every study visits: Hospital anxiety depression scale (HAD), Post Traumatic Stress Disorder Checklist for DSM-5 (PCL-5), Quick inventory of depressive symptomatology - self rated (QiDS), Beck's Anxiety Inventory (BAI), World Health Organization Quality Of Life (WHOQOL-BREF), EuroQol Group questionnaire (EQ5D), Frequency, intensity, burden of side effects rating (FIBSER), Udvalg for Kliniske Undersøgelser - Side Effects Rating Scale - for Patients (UKU-SERS-PAT), Clinical Global impression (CGI), Montgomery and Asberg Depression Rating Scale (MADRS).

"For patients participating in the ELAN ancillary study : the participants will undergo a battery of neurocognitive tests assessing motivation (élan vital in French)."