Laux G
Psychiatrische Universitätsklinik, Bonn.
Nervenarzt. 1995 May;66(5):311-22.
Benzodiazepines are the psychotropics most frequently prescribed despite an impressive reduction in use in the last 10 years. Their main pharmacodynamic effects (anxiolytic, sedative, anticonvulsive, muscle-relaxing, amnestic) are the basis for various therapeutic applications and indications. The most important differences among the variety of benzodiazepines are pharmacokinetic ones (elimination half-life, formation of pharmacologically active metabolites). Established indications are anxiety and sleep disorders, seizures, epilepsy, premedication and sedation in emergency medicine. In recent years it has also been proven to be effective in the treatment of panic disorder and catatonia. Among the side effects seen most frequently are impairments of cognitive and psychomotor function as well as rebound phenomena. Discussions have recently focused on the incidence of abuse and dependence as well as case reports on severe amnesia. Alternative medications like neuroleptics in low dosage and antidepressants seem to be predominantly unfavorable due to the fact that they are tolerated less well and sometimes have severe side effects. A clear-cut indication and time-limited prescription can reduce the number of benzodiazepine long-term users, and a comprehensive treatment concept must be the basis of rational prescription of benzodiazepines. The positive benefit-risk ratio as well as research perspectives [identification of receptor subtypes, development of highly selective ligands and partial (inverse) agonists] are reasons for assuming that the era of the benzodiazepines has not come to an end.
尽管在过去10年中苯二氮䓬类药物的使用量显著减少,但它们仍是最常被处方的精神药物。其主要药效学作用(抗焦虑、镇静、抗惊厥、肌肉松弛、遗忘)是各种治疗应用和适应症的基础。各种苯二氮䓬类药物之间最重要的差异在于药代动力学方面(消除半衰期、药理活性代谢物的形成)。既定适应症包括焦虑和睡眠障碍、癫痫发作、癫痫、急诊医学中的术前用药和镇静。近年来,它还被证明对治疗惊恐障碍和紧张症有效。最常见的副作用包括认知和精神运动功能受损以及反跳现象。最近的讨论集中在滥用和依赖的发生率以及严重失忆的病例报告上。低剂量抗精神病药物和抗抑郁药等替代药物似乎主要不利,因为它们耐受性较差,有时会有严重的副作用。明确的适应症和限时处方可以减少苯二氮䓬类药物长期使用者的数量,全面的治疗理念必须是苯二氮䓬类药物合理处方的基础。积极的效益风险比以及研究前景(受体亚型的鉴定、高选择性配体和部分(反向)激动剂的开发)是认为苯二氮䓬类药物时代尚未结束的原因。