Journal of affective disorders · 2019
Cariprazine for the treatment of bipolar mania with mixed features: A post hoc pooled analysis of 3 trials.
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McIntyre Roger S, Masand Prakash S, Earley Willie, Patel Mehul
Аннотация
BACKGROUND: When bipolar I disorder (BP-I) mania is accompanied by subsyndromal depressive symptoms, a more complicated illness presentation results. To qualify for the mixed features specifier during mania, the DSM-5 requires ≥3 "non-overlapping" depressive symptoms (DS); notwithstanding, concerns of this definition's ecological validity and implications for timely diagnosis remain.
METHODS: Herein, patients were pooled from three similarly-designed pivotal trials of cariprazine compared to placebo for BP-I mania (NCT00488618/NCT01058096/NCT01058668) in post hoc analyses of mixed features using three criteria: ≥3 DS (DSM-5), ≥2 DS, and Montgomery-Åsberg Depression Rating Scale (MADRS) total score ≥10. Efficacy of cariprazine compared to placebo was assessed (Week 3) by Young Mania Rating Scale (YMRS) and MADRS scores and rates of mania response and remission.
RESULTS: In pooled patients (N = 1037), cariprazine significantly improved mean YMRS scores compared to placebo for each criterion; LSMDs were ≥3 DS = -3.79 (P = .0248), ≥2 DS = -2.91 (P = .0207), and ≥10 MADRS = -5.49 (P < .0001). More cariprazine- than placebo-treated patients met YMRS response and remission criteria, reaching significance for response in ≥2 DS (34% versus 47%; number-needed-to-treat [NNT] = 8, P = .0483) and ≥10 MADRS (31% versus 57%, NNT = 4, P < .0001) and for remission in ≥2 DS (27% versus 39%, NNT = 9, P = .0462), ≥10 MADRS (23% versus 44%, NNT = 5, P < .0001). Depressive symptoms were improved compared to placebo, reaching statistical significance in the MADRS ≥10 subgroup (LSMD = -1.59, P = .0082).
LIMITATIONS: Post hoc analysis, MADRS < 18 entry criterion may have prevented assessment of MADRS changes.
CONCLUSIONS: Cariprazine significantly reduced manic and depressive symptoms in patients with mixed features with differential efficacy across the subgroups analyzed herein.
METHODS: Herein, patients were pooled from three similarly-designed pivotal trials of cariprazine compared to placebo for BP-I mania (NCT00488618/NCT01058096/NCT01058668) in post hoc analyses of mixed features using three criteria: ≥3 DS (DSM-5), ≥2 DS, and Montgomery-Åsberg Depression Rating Scale (MADRS) total score ≥10. Efficacy of cariprazine compared to placebo was assessed (Week 3) by Young Mania Rating Scale (YMRS) and MADRS scores and rates of mania response and remission.
RESULTS: In pooled patients (N = 1037), cariprazine significantly improved mean YMRS scores compared to placebo for each criterion; LSMDs were ≥3 DS = -3.79 (P = .0248), ≥2 DS = -2.91 (P = .0207), and ≥10 MADRS = -5.49 (P < .0001). More cariprazine- than placebo-treated patients met YMRS response and remission criteria, reaching significance for response in ≥2 DS (34% versus 47%; number-needed-to-treat [NNT] = 8, P = .0483) and ≥10 MADRS (31% versus 57%, NNT = 4, P < .0001) and for remission in ≥2 DS (27% versus 39%, NNT = 9, P = .0462), ≥10 MADRS (23% versus 44%, NNT = 5, P < .0001). Depressive symptoms were improved compared to placebo, reaching statistical significance in the MADRS ≥10 subgroup (LSMD = -1.59, P = .0082).
LIMITATIONS: Post hoc analysis, MADRS < 18 entry criterion may have prevented assessment of MADRS changes.
CONCLUSIONS: Cariprazine significantly reduced manic and depressive symptoms in patients with mixed features with differential efficacy across the subgroups analyzed herein.