Dr. Loïc Guillevin is a world-renowned physician and preeminent authority in the field of vasculitis and autoimmune diseases with international recognition for his clinical expertise. He served as Professor of Medicine and Therapeutics at Université Paris Descartes from 1989 to 2020 and was Head of the Department of Internal Medicine at Hôpital Cochin, AP-HP from 2003 to 2013. As Head of the National Reference Center for Vasculitis and Scleroderma in France, he established specialized care pathways for rare systemic diseases affecting thousands of patients nationwide. Dr. Guillevin's distinguished career began with his medical doctorate from Sorbonne Université and has been defined by his commitment to advancing diagnostic criteria and therapeutic protocols for complex autoimmune conditions.
Dr. Guillevin's groundbreaking research has fundamentally transformed global approaches to vasculitis management through seminal clinical trials that established evidence-based treatment standards. His leadership of the French Vasculitis Study Group produced landmark investigations including RATTRAP and CHUSPAN2, which redefined therapeutic strategies for necrotizing systemic vasculitis and rare autoimmune syndromes. His work on treatment protocols for microscopic polyangiitis, polyarteritis nodosa, and Churg-Strauss syndrome has been incorporated into international guidelines, significantly improving patient outcomes while reducing treatment-related complications. As principal investigator for numerous multicenter trials, Dr. Guillevin pioneered innovative therapeutic approaches that balance efficacy with safety in autoimmune disease management.
Beyond his research achievements, Dr. Guillevin has been instrumental in building international networks for rare disease research as an editor expert for Orphanet and coordinator of expert networks across Europe. His mentorship has shaped generations of rheumatologists and internal medicine specialists throughout France and influenced clinical practice worldwide through his extensive publications and guidelines. In recognition of his exceptional contributions to autoimmune disease management, Dr. Guillevin received an honorary doctorate from Université catholique de Louvain. Now serving as Professor Emeritus at Hôpital Cochin and Université de Paris, he continues to influence the field through his editorial work and participation in global initiatives to advance diagnosis and treatment of systemic autoimmune conditions.
