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Peptide Therapy GuideClear peptide education

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IBD Peptides 2026 Update: Comparison of Mechanisms and Trial Results

BPC-157 VEGFR-2 upregulation, tight junction protein synthesis (occludin, claudin-1), angiogenesis Phase 2 RCT: 58% clinical response in Crohn's at 10mcg/kg SC daily (University of Zagreb, 2025) Subcutaneous injection No FDA-approved formulation; requires comp

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  • BPC-157
  • VEGFR-2 upregulation, tight junction protein synthesis (occludin, claudin-1), angiogenesis
  • Phase 2 RCT: 58% clinical response in Crohn's at 10mcg/kg SC daily (University of Zagreb, 2025)
  • Subcutaneous injection
  • No FDA-approved formulation; requires compounding under research protocols
  • KPV Tripeptide
  • NF-κB inhibition via nuclear translocation, blocks inflammatory gene transcription
  • Phase 2 RCT: 64% endoscopic improvement in UC at 5mg TID oral (NCT04532476, 2025)
  • Oral (delayed-release)
  • Rapid gastric degradation without enteric coating; not bioavailable as sublingual or unprotected oral
  • Thymosin Beta-4
  • Actin monomer binding, promotes cell migration and wound healing, ECM remodeling
  • Pilot study: 61% MRI-based fistula improvement in perianal Crohn's at 30mg SC twice weekly (Johns Hopkins, 2025)
  • Does not achieve complete fistula closure; adjunct only to standard therapy