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Question clinique
For patients who are currently taking an antidepressant and are doing well, what is the likelihood of relapse after discontinuation of their medication?
L’Essentiel
Primary care patients who discontinued antidepressant medications were significantly more likely to experience relapse of their depression (NNTH = 6) than those who continued to take their antidepressants. The glass-half-full interpretation is that 44% of primary care patients with depression who discontinue their antidepressant medication when they are doing well continue to do well. 1b-
Référence
Plan de l'etude: Randomized controlled trial (double-blinded)
Financement: Government
Cadre: Outpatient (primary care)
Sommaire
These researchers identified primary care patients who had at least 2 episodes of depression or who had been taking antidepressants for at least 2 years. All patients felt well enough to consider discontinuing their medication; those with current depressive symptoms were excluded. The patients who had been taking been taking citalopram 20 mg, fluoxetine 20 mg, sertraline 100 mg, or mirtazapine 30 mg for at least 9 months were randomized to either continue their medication or to discontinue their medication over a 2-month period by substituting placebo. At baseline, the mean age of participants was 54 years, 73% were women, 95% were white, approximately half were taking citalopram, and approximately three-quarters had been taking an antidepressant for more than 3 years. The primary outcome was relapse of depression, defined as a 2-week spell of feeling sad, miserable, or depressed, or being unable to enjoy or take an interest in things as much as usual, accompanied by at least one other depressive symptom. After one year, this outcome occurred significantly more often in the placebo group (56% vs 39%; hazard ratio [HR] 2.06; 95% CI 1.56 - 2.70; number needed to treat to harm [NNTH] = 6). Depressive and anxiety symptoms were, on average, more severe in the discontinuation group. In addition, more patients in the discontinuation group stopped taking their placebo (48% vs 30%; HR 2.28; 1.68 - 3.08) and more resumed antidepressant medications (39% vs 20%). The mean scores on the 7-item Generalized Anxiety Disorder Questionnaire and the 9-question Patient Health Questionnaire were also significantly higher in the discontinuation group.
Reviewer
Mark H. Ebell, MD, MS
Professor
University of Georgia
Athens, GA
Commentaires
Discontinuation of antidepressants
It was very helpful to pose the half full glass corollary
cessation of antidepressant meds
can cause increase in depression after stopping