OBJECTIVES: To evaluate quetiapine XR in patients with anxious depression, as defined by HAM-A total and HAM-D anxiety/somatisation factor scores. METHODS: Post hoc analyses of pooled data from two 6-week, double-blind, randomised, placebo-controlled studies of adjunctive quetiapine XR (150 or 300 mg/day) in patients with MDD and inadequate response to antidepressants. Patients were stratified in a primary analysis using HAM-A (HAM-A total score at baseline ≥ 20 ["high"] or < 20 ["low"]) and a secondary analysis using HAM-D (anxious depression defined as HAM-D anxiety/somatisation factor score ≥ 7). Outcomes included change in MADRS total score. RESULTS: In patients with high anxiety levels (HAM-A total score ≥ 20), reductions in MADRS total score were -15.20 (P = 0.122) and -15.92 (P < 0.05) for quetiapine XR 150 and 300 mg/day, respectively, vs. placebo (-13.49). In patients with low levels of anxiety (HAM-A total score < 20), both quetiapine XR doses (P < 0.001) improved MADRS total scores vs. placebo. In the secondary analysis, quetiapine XR 150 (P < 0.01) and 300 mg/day (P < 0.001) improved MADRS total score vs. placebo in patients with HAM-D anxiety/somatisation factor score ≥ 7. CONCLUSIONS: Adjunct quetiapine XR demonstrates efficacy in patients with anxious and non-anxious depression, assessed using HAM-A total score, and anxious depression assessed using HAM-D anxiety/somatisation factor score.
RCT Entities:
OBJECTIVES: To evaluate quetiapine XR in patients with anxious depression, as defined by HAM-A total and HAM-D anxiety/somatisation factor scores. METHODS: Post hoc analyses of pooled data from two 6-week, double-blind, randomised, placebo-controlled studies of adjunctive quetiapine XR (150 or 300 mg/day) in patients with MDD and inadequate response to antidepressants. Patients were stratified in a primary analysis using HAM-A (HAM-A total score at baseline ≥ 20 ["high"] or < 20 ["low"]) and a secondary analysis using HAM-D (anxious depression defined as HAM-D anxiety/somatisation factor score ≥ 7). Outcomes included change in MADRS total score. RESULTS: In patients with high anxiety levels (HAM-A total score ≥ 20), reductions in MADRS total score were -15.20 (P = 0.122) and -15.92 (P < 0.05) for quetiapine XR 150 and 300 mg/day, respectively, vs. placebo (-13.49). In patients with low levels of anxiety (HAM-A total score < 20), both quetiapine XR doses (P < 0.001) improved MADRS total scores vs. placebo. In the secondary analysis, quetiapine XR 150 (P < 0.01) and 300 mg/day (P < 0.001) improved MADRS total score vs. placebo in patients with HAM-D anxiety/somatisation factor score ≥ 7. CONCLUSIONS: Adjunct quetiapine XR demonstrates efficacy in patients with anxious and non-anxious depression, assessed using HAM-A total score, and anxious depression assessed using HAM-D anxiety/somatisation factor score.
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