Comparative study of the efficacy and safety between Blonanserin (cas 132810-10-7) and risperidone for the treatment of schizophrenia in Chinese patients: A double-blind, parallel-group multicenter randomized trial

Add time:08/31/2019    Source:sciencedirect.com

This randomized, double-blind study compared the efficacy and safety of Blonanserin (cas 132810-10-7) and risperidone to treat Chinese schizophrenia patients aged ≥18 and < 65 years. Patients with Positive and Negative Syndrome Scale (PANSS) total scores ≥70 and ≤ 120 were randomized to receive blonanserin or risperidone using a gradual dose-titration method (blonanserin tablets: 8–24 mg/day; risperidone tablets: 2–6 mg/day), twice daily. Treatment populations consisted of 128 blonanserin-treated patients and 133 risperidone-treated patients. Intention-to-treat analysis was performed using the last observation carried forward method. Reductions of PANSS total scores by blonanserin and risperidone treatment were −30.59 and −33.56, respectively. Risperidone treatment was associated with elevated levels of serum prolactin (67.16% risperidone versus 52.31% blonanserin) and cardiac-related abnormalities (22.39% risperidone versus 12.31% blonanserin), and blonanserin patients were more prone to extrapyramidal side effects (48.46% blonanserin versus 29.10% risperidone). In conclusion, blonanserin was as effective as risperidone for the treatment of Chinese patients with schizophrenia. The overall safety profiles of these drugs are comparable, although blonanserin was associated with a higher incidence of EPS and risperidone was associated with a higher incidence of prolactin elevation and weight gain. Thus, blonanserin is useful for the treatment of Chinese schizophrenia patients.

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