Evolution of Dark Ideas When Introducing or Switching an Antidepressant

The study propose to assess, with an ecological momentary assessment method, the evolution of black ideas over 30 days following the introduction or switch of an oral antidepressants. 103 patients will be recruited suffering from a current major depressive disorder in the Montpellier University Hospital. Each patient will attend a total of 3 scheduled visits, which will be completed over a period of 1 month (inclusion, between 10-15 days, 1 month. During this month, the patient will have to complete daily assesments throught a smartphone application "Depasse". This Servier application allows the daily monitoring of symptoms allowing a regular evaluation, in the form of smileys simulating a Likert type scale evaluation of 1 to 5. 10 parameters are evaluated: moral, black thoughts, sleep, stress, concentration, social activities, energy, pleasure, motivation and libido. Note that when the patient expresses dark thoughts, he is then asked if he wants to hurt himself. If he answers yes, he is then asked to contact an emergency service. One of its originalities is the addition of positive psychology approaches with a positive reinforcement of this evaluation through reward by a smiley in a smiley box and obtaining a "pleasant" image for motivation and incentive. There is the possibility to have the graphical follow-up of the various parameters and to send them by mail to his treating psychiatrist. Advice adapted to the mood of the day is provided taking into account the "dysfunctional" parameters. Similarly, the emergency buoy tool provides access to emergency numbers and directs the patient to seek care. Intelligence of the weight and the treatments established. The app also has a notification setting to remind the patient to evaluate themselves daily.