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Gastroenterology:克罗恩病患者肠道长达1年的深度缓解可以有效延缓疾病复发

2020-08-10 MedSci原创 MedSci原创

克罗恩病(CD)是胃肠道的一种慢性自身免疫性疾病,随着时间的推移,会导致肠损伤的积累和肠腔狭窄的发生,并出现脓肿和瘘管等并发症。

        克罗恩病(CD)是胃肠道的一种慢性自身免疫性疾病,随着时间的推移,会导致肠损伤的积累和肠腔狭窄的发生,并出现脓肿和瘘管等并发症。尽管治疗CD的药物治疗取得了进步,比如生物制剂的引入,但许多患者仍处于疾病进展状态,需要进行手术和住院治疗。在其他免疫介导的疾病(例如类风湿关节炎)中,研究表明,早期有效的治疗可以改善患者的长期结局,那么在CD的临床试验的事后分析中,研究人员发现对患有中至重度CD且疾病持续时间较短的患者,使用抗肿瘤坏死因子生物制剂(anti-TNF)进行早期干预与较高的临床反应和缓解率相关。 此外,一项著名的STRIDE(“选择炎症性肠病的治疗目标”)计划就CD治疗策略达成了专家共识,并强调了治疗以肠道深层缓解为治疗目标。那么本项研究就旨在探究长时间的肠道深度缓解对于疾病发展的影响。

        研究人员对接受严格控制管理的122例CD患者进行了相关试验,他们均为中度至重度CD患者。50%的患者(n = 61)被随机分配到严格的控制策略(根据粪便中钙卫蛋白的水平,C反应蛋白的血清水平和症状而增加治疗),并将50%的患者分配为常规治疗。患者在随访期末未达到深度缓解定义为:CD内镜严重度评分低于4,未经历深溃疡或类固醇治疗,持续8周或更长时间。主要结局是主要不良结局的综合结果:新的内瘘或脓肿,狭窄,肛周瘘或脓肿或CD住院或手术。

        结果显示:随访期间总共发生了34例严重不良后果(27.9%)。在研究结束时,深度缓解的患者在随访期间出现严重不良预后的情况明显减少(P= .01)。当我们对潜在的混杂因素进行调整后,深度缓解(调整后的危险比为0.19; 95%置信区间为0.07-0.31)与较低的重大不良后果风险显着相关。

        本项研究证实,中度至重度CD的深层缓解的诱导与3年内疾病进展风险的降低相关。

 

原始出处:

Ryan C. Ungaro. Et al. Deep Remission at 1 Year Prevents Progression of Early Crohn’s Disease. Gastroenterology.2020.

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    2021-02-20 许安
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