Blood:重组人血小板生成素治疗妊娠期免疫性血小板减少症安全且有效

2017-06-23 MedSci MedSci原创

重组人血小板生成素(rhTPO)被推荐用于特发性血小板减少性紫癜(ITP)的辅助治疗。但其在妊娠期使用的疗效和安全性还未明确,山东大学附属齐鲁医院的研究人员们对其进行了探讨,并将该研究成功发表在最新一期的Blood上。被纳入研究的ITP孕妇符合以下条件:血小板计数< 30×109L,目前有出血症状,对糖皮质激素和/或静脉注射免疫球蛋白(IVIG)响应较差,血小板输注无效。31例患者接受rhT

重组人血小板生成素(rhTPO)被推荐用于特发性血小板减少性紫癜(ITP)的辅助治疗。但其在妊娠期使用的疗效和安全性还未明确,山东大学附属齐鲁医院的研究人员们对其进行了探讨,并将该研究成功发表在最新一期的Blood上。

被纳入研究的ITP孕妇符合以下条件:血小板计数< 30×109L,目前有出血症状,对糖皮质激素和/或静脉注射免疫球蛋白(IVIG)响应较差,血小板输注无效。31例患者接受rhTPO,初始剂量300U/kg,每日一次,维持14天。

结果发现,有23例(74.2%)患者发生了响应,包括10例完全应答(> 100×109/L),剩余13例治疗后的血小板水平在30-100×109/L之间。研究还发现,rhTPO能显著改善出血症状,即使在无响应的患者中也能。rhTPO耐受性良好。不良反应:只有一例患者在注射部位出现头晕、疲劳和疼痛症状。在中位随访53(39-68)周期间,婴儿均未出现先天性疾病或发育迟缓。

总而言之,对妊娠期ITP患者来讲,rhTPO是一个潜在的安全且有效的治疗方法。本研究为妊娠期IPT患者临床应用rhTPO和其他血小板生成剂及管理的进一步研究铺平了道路。

注:特比澳是一种重组人血小板生成素注射液,临床适应症为:

1.本品适用于治疗实体瘤化疗后所致的血小板减少症,适用对象为血小板低于50×109/L且医生认为有必要升高血小板治疗的患者。

2.本品用于特发性血小板减少性紫癜(ITP)的辅助治疗,适用对象为血小板低于20×109/L的糖皮质激素治疗无效(包括初始治疗无效、或有效后复发而再度治疗无效的未接受脾切除治疗的患者。

本品仅用于血小板减少及临床状态具有增加出血风险的患者,不应用于试图使血小板计数升至正常数值的目的。

原始出处:

Kong Z, Qin P,et al.A novel recombinant human thrombopoietin therapy for the management of immune thrombocytopenia in pregnancy.Blood. 2017 Jun 19. pii: blood-2017-01-761262. doi: 10.1182/blood-2017-01-761262. [Epub ahead of print]

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    2017-06-23 清风拂面

    谢谢分享,学习了

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