In this randomized clinical trial of 150 participants with treatment-resistant unipolar depression, 12 weeks of 20 mg/d of simvastatin added to standard care did not show a statistically significant benefit compared with placebo added tostandard care on the overall course of depressive symptoms.
Key Points Question Does adjunctive treatment with 20 mg/d of simvastatin lead to an improvement in depressive symptoms in adults with treatment-resistant depression? Findings In this randomized clinical trial of 150 participants with treatment-resistant unipolar depression, 12 weeks of 20 mg/d of simvastatin added to standard care did not show a statistically significant benefit compared with placebo added to standard care on the overall course of depressive symptoms. Meaning In this study, simvastatin was not beneficial for the treatment of symptoms of treatment-resistant depression compared with standard care.