在安慰剂控制的研究中,在ritlecitinib 50 mg组中,与安慰剂相比,在Ritlecitinib 50 mg组中,与感染相关的不良反应的患者百分比为1.5%。所有疱疹带状疱疹事件都不严重; 1患者接受Ritlecitinib 200/50 mg(每天200 mg一次,持续4周,每天50 mg一次)经历了一场水痘带状疱疹病毒感染的事件,该事件符合标准作为机会性感染(多多极性疱疹带状疱疹)。In study AA-I, for up to 48 weeks, 2.3% of patients (2.61 per 100 patient-years) treated with ritlecitinib 50 mg or higher reported herpes zoster Among all patients treated with ritlecitinib in the integrated safety analysis, including the long-term study and a study in vitiligo, the rate of herpes zoster was 1.05 per 100 patient-years in patients treated with ritlecitinib 50 mg或更高。
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