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吡非尼酮胶囊在中国肺纤维化人群中的耐受性研究

2022-07-20 梅斯医学 梅斯医学

这项在真实世界进行的研究表明,对于BMI>25kg/m2或一氧化碳弥散量(DLCO)>30%的肺纤维化患者,吡非尼酮胶囊治疗后无进展生存率较高

特发性肺纤维化(IPF)是一种慢性、进行性和危及生命的纤维化性肺疾病,其特点是肺功能不可逆性下降,预计中位生存期为2-3年。

艾思瑞(吡非尼酮胶囊)是首个获批用于治疗特发性肺纤维化(IPF)的抗纤维化药物。大量国内外研究评估了吡非尼酮的疗效及安全性,但在中国真实世界的耐受性研究数据较少,为此,北京协和医院徐作军教授领导团队进行的一项回顾性调查,评估了艾思瑞(吡非尼酮胶囊)治疗中国肺纤维化患者的疗效及耐受性。

研究设计

研究团队对20147月至20188月就诊的176名因各类病因罹患肺纤维化、且服用艾思瑞(吡非尼酮胶囊)进行治疗的患者进行了单中心回顾性研究。受试者筛选标准为:患者≥18岁,经两名呼吸科医生和一名放射科医生确诊患有肺纤维化(包括:IPF、结缔组织疾病相关性间质性肺疾病及无法分类的间质性肺疾病);

所有患者均接受艾思瑞(吡非尼酮胶囊)治疗,起始剂量为300mg/天(一次1粒,每天3次),维持剂量为1800mg/天。治疗前排除恶性肿瘤、严重肝功能不全或肾功能不全患者。

主要研究结果

结果发现,患者病情进展与体重指数(BMI)<25kg/m2显著相关。由于大部分IPF受试者用力肺活量占预计值的百分比≥50%,研究团队按一氧化氮弥散量占预计值百分比的临界值为30%进行分层,结果显示,一氧化碳弥散量(DLCO)<30%的受试者死亡或疾病进展的相对风险较一氧化碳弥散量(DLCO≥30%的受试者提高至少2.19倍。

1不同BMI患者生存曲线

2DLco患者生存曲线   

   

艾思瑞(吡非尼酮胶囊)耐受性良好,大部分受试者吡非尼酮每天给药剂量为1200mg-1500mg之间,IPFCTD-ILDU-ILD分别仅有15.4%21.1%12.5%的受试者因不良反应而停止服用吡非尼酮,停药前持续服药时间分别为252天、340天和403天。

3各类患者不良事件发生情况

这项在真实世界进行的研究表明,对于BMI25kg/m2或一氧化碳弥散量(DLCO)>30%的肺纤维化患者,艾思瑞(吡非尼酮胶囊)治疗后无进展生存率较高,且持续服药时间长,进一步证实艾思瑞(吡非尼酮胶囊治疗中国肺纤维化患者具有良好的安全性和耐受性。

参考文献:

Fang C, et al. Real-world experiences: Efficacy and tolerability of pirfenidone in clinical practice. PLoS One. 2020 Jan 30;15(1):e0228390.

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    2022-07-21 chenfang193

    纤维化患者的**

    0

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