J Watch评论:当氯氮平不足以应对精神分裂症时,什么可以?

2015-03-02 高晓方 编译 医学论坛网

在一项对照研究中,电休克治疗对氯氮平耐药患者有益。 尽管氯氮平通常被视为精神分裂症难治病例的金标准治疗药物,但多达70%接受氯氮平治疗的患者应答不足。基于开放研究可喜的结果,研究者进行了一项纳入了39例住院精神分裂症患者的随机对照试验,这些患者在接受血浆水平≥350 ng/ml、12周以上的氯氮平治疗后,表现出持续存在的中度或更严重的精神病症状。 患者继续接受氯氮平治

在一项对照研究中,电休克治疗氯氮平耐药患者有益。

尽管氯氮平通常被视为精神分裂症难治病例的金标准治疗药物,但多达70%接受氯氮平治疗的患者应答不足。基于开放研究可喜的结果,研究者进行了一项纳入了39例住院精神分裂症患者的随机对照试验,这些患者在接受血浆水平≥350 ng/ml、12周以上的氯氮平治疗后,表现出持续存在的中度或更严重的精神病症状。

患者继续接受氯氮平治疗,并接或不接受为期8周的双向电休克治疗(ECT)(72%为男性,54%为白人;平均年龄:仅氯氮平组43岁,联合治疗组36岁)。对分组不知情的等级评定者每周进行评估。在治疗结束时(平均16次治疗),50%接受ECT治疗的患者达到应答标准(精神病症状减少≥40%),未接受ECT治疗者则为0%。仅氯氮平组的所有非应答者最终均接受ECT治疗;47%达到应答标准。未观察到对阴性症状的影响。不良反应少且轻微。

评论

由于该研究仅在治疗结束时评估了转归,故需扩展研究以确定所观察到的临床改善能否持续。如果20次治疗后出现较大幅度改善减弱,则维持ECT治疗可能有所帮助,但应该进行评估这个可能性的研究。对氯氮平无应答者,亦应研究经颅磁刺激的潜在获益。鉴于许多患者和家属不愿意接受ECT,临床医生应准备对此疗法提供足够多的教育以及完善的知情同意书。对于用氯氮平未能改善持续存在、干扰和损害症状的患者,上述结果提供了新的治疗方向。

原始出处:When Clozapine Is Insufficient for Schizophrenia, Then What? J Watch September 8, 2014


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    2015-03-06 225522zy

    很有用,学习了

    0

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    2015-03-04 bsmagic9138

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