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The use of the blonanserin patch (BLO-P) for schizophrenia treatment was approved in Japan in 2019. This systematic review of trials in Japan assessed the efficacy and safety profile of BLO-P compared with other antipsychotics. The systematic review included 6-week, double-blind, randomized, placebo-controlled, phase 3 trials in Japan that included patients with acute schizophrenia. Pooled data for patients receiving BLO-P 40 and 80 mg/day (BLO-P40+80) were compared with pooled data for patients receiving asenapine 10 and 20 mg/day (ASE10+20) and data for those receiving brexpiprazole 2 mg/day (BRE2) and paliperidone extended-release 6 mg/day (PAL-ER6). All the investigated treatments were superior to placebo in reducing the Positive and Negative Syndrome Scale (PANSS) total score; the Hedges' g values (95% confidence interval) for BLO-P40+80, ASE10+20, BRE2, and PAL-ER6 were-0.40 (-0.58,-0.22),-0.61 (-0.79,-0.42),-0.33 (-0.60,-0.07), and-0.69 (-0.93,-0.45), respectively. There were differences among the antipsychotics in the incidence of various individual adverse events. BLO-P40+80 may have a good efficacy/safety/tolerability profile for the treatment of patients with acute schizophrenia. © Georg Thieme Verlag KG Stuttgart · New York.


Taro Kishi, Reiji Yoshimura, Yuki Matsuda, Kenji Sakuma, Nakao Iwata. Blonanserin patch vs. Other Antipsychotics for Acute Schizophrenia: A Systematic Review of Double-blind, Randomized, Placebo-controlled, Phase 3 Trials in Japan. Pharmacopsychiatry. 2020 Apr;53(3):122-132

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PMID: 32000271

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