Abstract
BackgroundWhile childhood maltreatment (CMT) is associated with higher rates of chronicity and recurrence in depression, whether CMT results in poorer outcomes with antidepressant medication remains unclear. MethodsWe performed secondary analyses with data from the large, representative, multisite trial Combining Medications to Enhance Depression Outcomes (CO-MED). CO-MED was a randomized, single-blinded, placebo-controlled study with 665 individuals (663 assessed for CMT) with chronic and/or recurrent Major Depressive Disorder (MDD). CMT was determined by a brief self-reported questionnaire assessing the four types of CMT defined by the Centers for Disease Control and Prevention: sexual abuse, emotional abuse, physical abuse, and neglect. Repeated measures and logistic regression analyses were used. ResultsIndividuals with CMT did not have a differential improvement of depressive symptoms when compared to those without CMT (adjusted p=.203 for continuous analysis; adjusted p=.320 for remission rates). Neither type of antidepressant medication (adjusted p=.302) nor the age at which CMT occurred (adjusted p=.509) affected depressive symptom outcomes. There was no difference in functional improvement between individuals with and without CMT (adjusted p=.228). A history of CMT was associated with greater antidepressant side effects (p=.009). LimitationsThis study investigated treatment-seeking individuals with chronic and/or recurrent MDD. Intensity and duration of CMT were not assessed. ConclusionIn a sample of treatment-seeking outpatients with chronic and/or recurrent MDD, a history of CMT was not associated with differential symptomatic or functional response to pharmacological treatment. However, those with CMT reported greater antidepressant side effect burden.
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