Kratschmer Christina, Curiel David T, Ciorba Matthew A
Inflammatory Bowel Diseases Center, Division of Gastroenterology, Department of Medicine.
Department of Radiation Oncology, Washington University in Saint Louis, Saint Louis, Missouri, USA.
Curr Opin Gastroenterol. 2025 Jul 1;41(4):201-207. doi: 10.1097/MOG.0000000000001099. Epub 2025 Apr 25.
PURPOSE OF REVIEW: Tissue-directed therapies (TDTs) provide potential advantages, including improved tolerance, safety, and efficacy. This review provides a conceptual framework for understanding intestinal TDT and summarizes the current landscape of TDT in inflammatory bowel disease (IBD). RECENT FINDINGS: Vedolizumab, a mAb targeting the gut homing α4β7 integrin, served as revolutionary proof-of-principle for the power of advanced TDT in IBD. The development of other monoclonal antibodies targeting cell adhesion molecules followed including abrilumab (α4β7), etrolizumab (β7), and ontamalimab (MAdCAM-1). MORF-057, an oral small molecule inhibitor of α4β7, is now in development for ulcerative colitis. Efforts have also been made toward gut specific JAK inhibitors. Microbiome-based therapies, including engineered probiotics, bacteriophages, and postbiotics, are gaining interest. There are also a number of innovative drug delivery methods, including engineered yeast, hydrogels, and nanoparticles, and viral-based gene therapy. SUMMARY: Gut-targeted therapies range from novel variations on traditional drugs (i.e., mAbs and small molecules) to microbiome-based therapeutics and engineered delivery systems. They can be used alone or in combination with currently available therapies. Future directions should focus on the development of tried-and-true modalities (mAbs, small molecules) as well as the microbiome and more innovative delivery systems.
综述目的:组织定向疗法(TDTs)具有潜在优势,包括耐受性、安全性和疗效的改善。本综述提供了一个理解肠道TDT的概念框架,并总结了炎症性肠病(IBD)中TDT的当前情况。 最新发现:维多珠单抗是一种靶向肠道归巢α4β7整合素的单克隆抗体(mAb),为先进TDT在IBD中的作用提供了革命性的原理验证。随后开发了其他靶向细胞粘附分子的单克隆抗体,包括阿柏西普(α4β7)、依曲珠单抗(β7)和奥他利单抗(黏膜地址素细胞粘附分子-1)。MORF-057是一种α4β7的口服小分子抑制剂,目前正在进行溃疡性结肠炎的研发。也在努力开发肠道特异性的Janus激酶(JAK)抑制剂。基于微生物群的疗法,包括工程益生菌、噬菌体和后生元,正受到越来越多的关注。还有许多创新的药物递送方法,包括工程酵母、水凝胶和纳米颗粒,以及基于病毒的基因疗法。 总结:肠道靶向疗法的范围从传统药物(即单克隆抗体和小分子)的新型变体到基于微生物群的疗法和工程递送系统。它们可以单独使用,也可以与现有疗法联合使用。未来的方向应侧重于开发经过验证的疗法(单克隆抗体、小分子)以及微生物群和更具创新性的递送系统。
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