International journal of clinical practice · 2017
Global improvement with cariprazine in the treatment of bipolar I disorder and schizophrenia: A pooled post hoc analysis.
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Durgam Suresh, Earley Willie, Lu Kaifeng, Németh György, Laszlovszky István, Volk Stephen, Litman Robert E
Аннотация
INTRODUCTION: Global rating scale measures are useful for assessing the clinical relevance of patient change. Cariprazine, a dopamine D3 and D2 receptor partial agonist, is FDA-approved for the adult treatment of acute manic/mixed episodes of bipolar I disorder and schizophrenia. Post hoc evaluations of Clinical Global Impressions-Severity (CGI-S) scores from the cariprazine pivotal trials in both indications were conducted.
METHODS: Data from 3 bipolar mania and 3 schizophrenia trials were pooled by indication (bipolar disorder = 1033; schizophrenia = 1466). Cariprazine- and placebo-treated patients were categorised by baseline CGI-S scores; the proportion of patients who improved from more severe categories at baseline to less severe categories at end-point was evaluated using a logistic regression model. Correlations between Young Mania Rating Scale and Positive and Negative Syndrome Scale total score changes and category shifts were also evaluated.
RESULTS: In both disease states, more cariprazine- than placebo-treated patients had improved CGI-S scores at end-point; more placebo-treated patients had worse end-point scores. More cariprazine- vs placebo-treated patients shifted from the extremely/severely ill to mildly ill/better category (bipolar disorder = 55% vs 36%, odds ratio [OR] = 2.1; P = .09; schizophrenia = 42% vs 18%, OR = 3.4, P<.01). ORs was statistically significant in favour of cariprazine in shifts from marked and moderate illness to borderline/normal in both indications (P < .05). Correlations between rating scale improvement and category shift were greatest in patients with extreme/severe baseline illness for bipolar disorder (-0.853) and schizophrenia (-0.677).
CONCLUSIONS: Post hoc analyses showed that more cariprazine- than placebo-treated patients with bipolar mania or schizophrenia had statistically significant and clinically meaningful CGI-S improvement.
METHODS: Data from 3 bipolar mania and 3 schizophrenia trials were pooled by indication (bipolar disorder = 1033; schizophrenia = 1466). Cariprazine- and placebo-treated patients were categorised by baseline CGI-S scores; the proportion of patients who improved from more severe categories at baseline to less severe categories at end-point was evaluated using a logistic regression model. Correlations between Young Mania Rating Scale and Positive and Negative Syndrome Scale total score changes and category shifts were also evaluated.
RESULTS: In both disease states, more cariprazine- than placebo-treated patients had improved CGI-S scores at end-point; more placebo-treated patients had worse end-point scores. More cariprazine- vs placebo-treated patients shifted from the extremely/severely ill to mildly ill/better category (bipolar disorder = 55% vs 36%, odds ratio [OR] = 2.1; P = .09; schizophrenia = 42% vs 18%, OR = 3.4, P<.01). ORs was statistically significant in favour of cariprazine in shifts from marked and moderate illness to borderline/normal in both indications (P < .05). Correlations between rating scale improvement and category shift were greatest in patients with extreme/severe baseline illness for bipolar disorder (-0.853) and schizophrenia (-0.677).
CONCLUSIONS: Post hoc analyses showed that more cariprazine- than placebo-treated patients with bipolar mania or schizophrenia had statistically significant and clinically meaningful CGI-S improvement.