Palisade Bio Reports Positive Phase 1a Results for PALI-2108, a First-in-Class Terminal Ileum and Colon-Targeted PDE4 B/D Inhibitor for Fibrostenotic Crohn’s Disease and Ulcerative Colitis

Carlsbad, CA, May 27, 2025 — Palisade Bio, Inc. (Nasdaq: PALI) (“Palisade”, “Palisade Bio”, or the “Company”), a clinical-stage biopharmaceutical company focused on developing and advancing novel therapeutics for patients living with autoimmune, inflammatory, and fibrotic diseases, today announced positive topline results from its completed Phase 1 studies of PALI-2108, a novel, locally-activated, terminal ileum and colon-targeted phosphodiesterase-4 B/D (PDE4 B/D) inhibitor being developed for fibrostenotic Crohn’s disease (FSCD) and moderate to severe ulcerative colitis (UC).