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Lancet Psychiat:氘代丁苯那嗪用于迟发性运动障碍

2017-06-29 zhangfan MedSci原创

每日24-37mg的氘代丁苯那嗪可显著减少迟发性运动障碍并且具备较高的安全性以及耐受性,该结果有助于实现运动障碍患者的个体化治疗

迟发性运动障碍的临床治疗往往使用多巴胺受体拮抗剂,如典型和非典型抗精神病药。适当的临床治疗后可在临床医生指导下逐渐减少剂量直至停药。近日研究人员对氘代丁苯那嗪-一种新型的囊泡单胺转运体抑制剂-的安全性、耐受性以及疗效进行评估。

该III期研究在美国以及欧洲的75个医疗中心进行。18-80岁的迟发性运动障碍患者随机接受3个剂量的氘代丁苯那嗪(12 mg/d, 24 mg/d或36 mg/d)或安慰剂。所有患者首先均接受口服氘代丁苯那嗪12mg/d,持续 4周的治疗,之后开始随机试验,持续8周。主要终点是异常不自主运动评分变化(AIMS)。

研究招募了298名患者,其中安慰剂74人,氘代丁苯那嗪12 mg/d (n=75), 24 mg/d (n=74)以及 36 mg/d (n=75); 其中意向治疗患者222人,293人完成安全性评估 。12周后AIMS分数变化如下:氘代丁苯那嗪36 mg/d组:-3.3;24 mg/d组:-3.2,12mg/d组:-2.1,安慰剂组:-1.4,相对于安慰剂,治疗的差异性分别为-1.9(SE 0.58,95% CI -3.09—-0.79;p=0·001), -1.8 (0.60,-3.00 —-0.63;p=0.003)以及-0.7 (0.57,-1.84—0.42;p=0.217)。各组间不良事件率相近:36 mg vs 24 mg vs 12 mg vs安慰剂=51% vs 44% vs 49% vs 47%。36 mg组、24 mg组、12mg组以及安慰剂组分别报告了4例(5%)、6例(8%)、2例(3%)以及4例(6%)严重不良事件。24mg组以及36mg组均有1例患者死亡但与药物治疗不相关。

研究表明,每日24-37mg的氘代丁苯那嗪可显著减少迟发性运动障碍并且具备较高的安全性以及耐受性,该结果有助于实现运动障碍患者的个体化治疗。

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