• S Susan Hedayati, L Parker Gregg, Thomas Carmody, Nishank Jain, Marisa Toups, A John Rush, Robert D Toto, and Madhukar H Trivedi.
• Division of Nephrology, Department of Medicine, University of Texas Southwestern Medical Center, Dallas.
• JAMA. 2017 Nov 21; 318 (19): 187618901876-1890.

ImportanceMajor depressive disorder (MDD) is prevalent among patients with chronic kidney disease (CKD) and is associated with morbidity and mortality. The efficacy and adverse events of selective serotonin reuptake inhibitors in these patients are unknown.ObjectiveTo determine whether treatment with sertraline improves depressive symptoms in patients with CKD and MDD.Design, Setting, And ParticipantsThe Chronic Kidney Disease Antidepressant Sertraline Trial (CAST) was a randomized, double-blind, placebo-controlled trial involving 201 patients with stage 3, 4, or 5 non-dialysis-dependent CKD, who were enrolled at 3 US medical centers. The Mini Neuropsychiatric Interview was used to establish MDD. The first participant was randomized in March 2010 and the last clinic visit occurred in November 2016.InterventionsAfter a 1-week placebo run-in, participants were randomized to sertraline (n = 102) for 12 weeks at an initial dose of 50 mg/d (escalated to a maximum dose of 200 mg/d based on tolerability and response) or matching placebo (n = 99).Main Outcomes And MeasuresThe primary outcome was improvement in depressive symptom severity from baseline to 12 weeks determined by the 16-item Quick Inventory of Depression Symptomatology-Clinician Rated (QIDS-C16) (score range, 0-27; minimal clinically important difference, 2 points). Secondary outcomes included improvement in quality of life (Kidney Disease Quality of Life Survey-Short Form; score range, 0-100; higher scores indicate more favorable quality of life) and adverse events.ResultsThere were 201 patients (mean [SD] age, 58.2 [13.2] years; 27% female) randomized. The primary analysis included 193 patients who had at least 1 outcome assessment after randomization. The mean (SD) baseline QIDS-C16 score was 14.0 (2.4) in the sertraline group (n = 97) and 14.1 (2.4) in the placebo group (n = 96). The median participation time was 12.0 weeks and the median achieved dose was 150 mg/d, which was not significantly different between the groups. The QIDS-C16 score changed by -4.1 in the sertraline group and by -4.2 in the placebo group (between-group difference, 0.1 [95% CI, -1.1 to 1.3]; P = .82). There was no significant between-group difference in change in patient-reported overall health on the Kidney Disease Quality of Life Survey (median score, 0 in the sertraline group vs 0 in the placebo group; between-group difference, 0 [95% CI, -10.0 to 0]; P = .61). Nausea or vomiting occurred more frequently in the sertraline vs placebo group (22.7% vs 10.4%, respectively; between-group difference, 12.3% [95% CI, 1.9% to 22.6%], P = .03), as well as diarrhea (13.4% vs 3.1%; between-group difference, 10.3% [95% CI, 2.7% to 17.9%], P = .02).Conclusions And RelevanceAmong patients with non-dialysis-dependent CKD and MDD, treatment with sertraline compared with placebo for 12 weeks did not significantly improve depressive symptoms. These findings do not support the use of sertraline to treat MDD in patients with non-dialysis-dependent CKD.Trial Registrationclinicaltrials.gov Identifier: NCT00946998.

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