Gut:Tralokinumab能有效缓解中重度溃疡性结肠炎

2014-10-27 MedSci MedSci原创

白细胞介素13(IL-13)被认为是炎症性肠病溃疡性结肠炎的一个关键驱动因素。白细胞介素13的中和抗体Tralokinumab已被临床试验证实能够改善严重哮喘患者肺功能,但其是否对成人中重度溃疡性结肠炎患者同样安全、有效目前尚不清楚。最近,来自意大利、波兰、德国等多国际研究中心的科学家们进行了一项编号为NCT01482884的随机、双盲、安慰剂对照的IIa期临床试验,在成人中重度溃疡性结肠炎标准治

白细胞介素13(IL-13)被认为是炎症性肠病溃疡性结肠炎的一个关键驱动因素。白细胞介素13的中和抗体Tralokinumab已被临床试验证实能够改善严重哮喘患者肺功能,但其是否对成人中重度溃疡性结肠炎患者同样安全、有效目前尚不清楚。

最近,来自意大利、波兰、德国等多国际研究中心的科学家们进行了一项编号为NCT01482884的随机、双盲、安慰剂对照的IIa期临床试验,在成人中重度溃疡性结肠炎标准治疗的同时辅以Tralokinumab添加疗法,来评估白细胞介素13中和抗体Tralokinumab治疗成人中重度溃疡性结肠炎的疗效和安全性。

研究将未住院的成人中重度溃疡性结肠炎患者(Mayo总得分≥6)随机分配到Tralokinumab 300mg添加治疗组或安慰剂组(皮下给药,每2周共12周)。该临床试验的主要终止点是添加治疗8周后的临床治疗率。次要的疗效终点包括治疗8周后临床缓解率和粘膜愈合率以及Mayo总得分、改良的Riley总得分、Mayo部分得分和疾病活动标记等方面的变化。

该研究发现,Tralokinumab添加治疗组的临床治疗率为38%(21/56),安慰剂组则为33%(18/55)(P=0.406)。Tralokinumab添加治疗组的临床缓解率、粘膜愈合率分别为18%(10/56)、32%(18/56),安慰剂组则分别为6%(3/55)(P=0.033)、20%(11/55)(P=0.104)。治疗8周后Tralokinumab添加治疗组和安慰剂组在Mayo总得分、改良的Riley总得分两方面的变化相似(两组最小二乘均方差分别为:-0.49(P=0.394)、0.25(P=0.449))。治疗4周后Tralokinumab添加治疗组Mayo部分得分低于安慰剂组(两组最小二乘均方差为:-0.90(P=0.041))。研究未观察到疾病活动标记的一致性变化趋势。此外,研究还发现Tralokinumab添加治疗组具有可接受的安全特性。

这项多中心IIa期随机双盲对照研究认为,Tralokinumab添加疗法并没有显著提高成人中重度溃疡性结肠炎临床治疗率。然而,较之安慰剂组,Tralokinumab添加治疗组较高的临床缓解率至少可以说明Tralokinumab添加疗法可以使部分成人中重度溃疡性结肠炎患者受益,而且Tralokinumab的耐受性良好。

原始出处:

Danese S, Rudziński J, Brandt W, Dupas JL, Peyrin-Biroulet L, Bouhnik Y, Kleczkowski D, Uebel P, Lukas M, Knutsson M, Erlandsson F, Hansen MB, Keshav S. Tralokinumab for moderate-to-severe UC: a randomised, double-blind,placebo-controlled, phase IIa study. Gut. 2014 Oct 10. pii: gutjnl-2014-308004. doi: 10.1136/gutjnl-2014-308004. [Epub ahead of print]

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    2015-06-20 snf701207
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    2015-10-12 nymo
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    2015-10-01 bsmagic9140
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