ORIGINAL RESEARCH
Assessing Rates and Predictors of Tachyphylaxis During the Prevention of Recurrent Episodes of Depression With Venlafaxine ER for Two Years (PREVENT) Study
Background: Antidepressant tachyphylaxis describes the return of apathetic depressive symptoms, such as fatigue and decreased motivation, despite continued use of a previously effective treatment. Methods: Data were collected from a multiphase, double-blind, placebo-controlled study that...