Repurposing losartan for fibrostenosing Crohn’s disease: a compelling preclinical rationale - Takeaways - MDSpire

Repurposing losartan for fibrostenosing Crohn’s disease: a compelling preclinical rationale

  • By

  • Luca Massimino

  • Virginia Solitano

  • Federica Ungaro

  • September 23, 2025

  • 0 min

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  • 1

    Losartan, an angiotensin receptor blocker, shows promise in treating intestinal fibrosis associated with Crohn's disease.

  • 2

    The study demonstrated that losartan reduces inflammation and fibrosis in preclinical models of Crohn's disease.

  • 3

    Losartan effectively suppressed pro-fibrotic molecules and inhibited fibroblast-to-myofibroblast differentiation in vitro.

  • 4

    In SAMP mice, losartan treatment prevented fibrosis relapse after steroid-induced remission, highlighting its therapeutic potential.

  • 5

    The findings support the need for clinical trials on RAS-targeting therapies as adjuncts to current IBD treatments.

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