沙美特罗替卡松粉吸入剂的药物过量

2025-03-13 11:27:48
推荐回答(1个)
回答1:

有关舒利迭®,沙美特罗和/或与丙酸氟替卡松使用时,药物过量的资料如下:沙美特罗替卡松粉吸入剂:大鼠吸入沙美特罗3.6 mg/kg(相当于成人和儿童按照mg/m[sup]2[/sup]计算的日推荐最大吸入剂量的约290倍和140倍)和丙酸氟替卡松1.9 mg/kg(相当于成人和儿童按照mg/m[sup]2[/sup]计算的日推荐最大吸入量的约15倍和35倍)单剂联合使用没有发生死亡。沙美特罗:沙美特罗过量可能出现β肾上腺素过度刺激的体征与症状,和(或)发生【不良反应】列出的任何体征或症状,或这些体征症状加重。例如,惊厥,心绞痛,高血压或血压过低,达到200次/分的心动过速,心律失常,神经过敏,头痛,震颤,肌肉抽筋,口干,心悸,恶心,头晕,乏力,精神萎靡及失眠。沙美特罗过量可能加重与β肾上腺素受体激动剂相关的药理学副作用,包括心动过速和(或)心律失常,震颤,头痛,肌肉抽筋。沙美特罗过量可能导致有临床意义的QTc间期延长,后者产生室性心律失常。过量使用的其他表现可能包括低钾症和高糖血症。与所有拟交感神经药物相同,滥用沙美特罗可能引发的心脏骤停甚至死亡。治疗包括停用沙美特罗及适当的对症治疗。可以考虑合理使用心脏选择性的β肾上腺素受体阻滞剂,但要考虑到这种治疗可能产生支气管痉挛。无足够的证据证明透析是否对沙美特罗使用过量有益。在过量使用的情况下建议心脏监护。大鼠吸入2.9mg/kg沙美特罗(相当于成人和儿童按照mg/m[sup]2[/sup]计算的每日最大推荐吸入剂量的约240和110倍)没有发生死亡。狗吸入0.7mg/kg沙美特罗(相当于成人和儿童按照mg/m[sup]2[/sup]计算的日推荐最大吸入剂量的约190和90倍)没有发生死亡。给予小鼠口服150mg/kg沙美特罗(相当于成人和儿童按照mg/m[sup]2[/sup]计算的日推荐最大吸入剂量的6100和2900倍)没有发生死亡;给予小鼠口服1000mg/kg沙美特罗(相当于成人和儿童按照mg/m[sup]2[/sup]计算的日推荐最大吸入剂量的81000和38000倍)没有发生死亡。丙酸氟替卡松:急性吸入丙酸氟替卡松超过推荐剂量时会导致暂时性肾上腺功能抑制。由于肾上腺功能通常于数日内恢复,无需紧急处理。慢性丙酸氟替卡松过量可能会导致肾上腺功能亢进的症状/体征。健康受试者单剂吸入4000mg的丙酸氟替卡松干粉和单剂吸入1760 或 3520mg丙酸氟替卡松干粉都能良好耐受。健康受试者每天两次吸入1320mg丙酸氟替卡松干粉,持续7到15天也能良好耐受。健康受试者每天重复口服高达80 mg,连续10天和病人每天口服高达20mg,连续42天都能良好耐受。不良反应的程度都是轻到中度,不良反应的发生率在治疗药物组和安慰剂组之间相似。小鼠的半数致死量]1000 mg/kg (相当于成人和儿童按照mg/m[sup]2[/sup]计算的日推荐最大吸入剂量的约4100倍和9600倍),大鼠的皮下注射半数致死量]1000 mg/kg(相当于成人和儿童按照mg/m[sup]2[/sup]计算的日推荐最大吸入剂量的约8100倍和19200倍)如果长期持续使用超过推荐剂量的舒利迭,可能导致明显的肾上腺功能抑制。非常罕见急性肾上腺危象的报道,主要发生于长期(几个月或几年)使用超过推荐剂量的儿童中。观察到的特征是低血糖伴随意识降低和/或惊厥。可能触发急性肾上腺危象的情况包括发生外伤、外科手术、感染或任何快速减少丙酸氟替卡松成分剂量。不推荐患者使用超过推荐剂量的舒利迭®。患者由医生定期再评估,并将药量逐渐调整至能有效控制哮喘的最低维持剂量。(参见【用法用量】部分)

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