Eur Respir J:FK506治疗肺动脉高压耐受性如何?

2017-10-11 王淳 环球医学

2017年9月,发表在《Eur Respir J》的一项由美国科学家进行的单中心、随机、双盲、安慰剂对照试验,考察了FK506(他克莫司)治疗肺动脉高压(PAH)的安全性和耐受性。

2017年9月,发表在《Eur Respir J》的一项由美国科学家进行的单中心、随机、双盲、安慰剂对照试验,考察了FK506(他克莫司)治疗肺动脉高压(PAH)的安全性和耐受性

PAH是一种致命的疾病,其特征为闭塞性肺血管病变。在啮齿类动物PAH模型中,骨形态发生蛋白受体2(BMPR2)传导通路被FK506激活可逆转闭塞性血管病变。研究人员确定了低水平FK506治疗在稳定的PAH患者中的安全性和耐受性。

研究人员进行了一项为期16周的单中心、随机、双盲、安慰剂对照、2a期试验,试验对象为纽约心脏协会功能分级为2/3级症状的PAH患者,使用3个FK506目标剂量(<2、2~3和3~5ng/mL)。

23例患者随机分组,20例完成了试验。FK506的耐受性良好,恶心/腹泻为最常报道的不良事件,静脉注射前列环素治疗的患者未观察到感染。与健康对照相比,PAH患者的外周血单核细胞中具有显着性低的BMPR2表达(13例;P=0.005),FK506治疗后得到改善。虽然观察到一些患者对BMPR2表达的明显增加产生应答,以及6分步行距离和心衰的血清学以及超声心动图参数得到改善,但这些改变并不显着。低水平FK506在PAH患者中的耐受性良好,可增加BMPR2。这些结果支持了在2b期有效性试验中研究FK506。

原始出处:

Edda Spiekerkoetter, Yon K. Sung, Deepti Sudheendra, et al. Randomised placebo-controlled safety and tolerability trial of FK506 (tacrolimus) for pulmonary arterial hypertension. European Respiratory Journal 2017 50: 1602449; DOI: 10.1183/13993003.02449-2016.

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