去甲氯氮平1. RESULTS: Significant differences were found between the plasma concentrations of clozapine and desmethylclozapine and clinical efficacy, especially desmethylclozapine plasma concentration. 结果:氯氮平及去甲氯氮平血药浓度与临床疗效有明显关系 ,尤以去甲氯氮平血药浓度与临床疗效关系更为密切。