A new treatment option for complex perianal fistulas in Crohn's disease patients; introduction of darvadstrocel (allogeneic expanded adipose-derived mesenchymal stem cells) and its development in Japan

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  • クローン病に伴う複雑痔瘻に対する新たな治療：ダルバドストロセル（脂肪組織由来間葉系幹細胞）の国内開発紹介

Abstract

<p>Crohn's disease (CD) is a chronic and relapsing inflammatory bowel disease affecting the entire gastrointestinal tract. The prevalence of CD among Japanese people is increasing. One of the most frequent complications of CD is perianal fistulas. People living with CD may experience complex perianal fistulas, which can cause intense pain, bleeding, swelling, infection, and anal discharge. Despite medical and surgical advancements, complex perianal fistulas in CD remain challenging for clinicians to treat. CD patients living with perianal fistulas reported a negative impact on many aspects of their quality of life.</p><p>Darvadstrocel is a cell therapy product containing a suspension of allogeneic expanded adipose-derived mesenchymal stem cells. It has been approved in Europe and Japan for the treatment of complex perianal fistulas that have shown an inadequate response to at least one conventional or biologic therapy in adult patients with non-active/mildly active luminal CD. By exhibiting immunomodulatory and local anti-inflammatory effects at the site of inflammation, it offers a new treatment option for complex perianal fistulas in CD patients.</p><p>In this presentation, the characteristic of darvadstrocel, the summary of results from the pivotal phase 3 studies in Europe and Japan, and the development strategy in Japan will be introduced.</p>

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