DBV Technologies S.A. is a clinical-stage biopharmaceutical company based in Châtillon, France, focused on research and development of epicutaneous immunotherapy products. Its pipeline includes Viaskin Peanut, which has completed a Phase 3 clinical trial for peanut allergy, and Viaskin Milk, in Phase 1/2 trials for immunoglobulin E (IgE) mediated or cow's milk protein allergy and eosinophilic esophagitis. Earlier-stage research programs include celiac disease, and the company is developing the Viaskin technology platform to potentially treat food allergy. DBV Technologies collaborates with Nestlé Health Science to develop MAG1C, a ready-to-use atopy patch test for diagnosing non-IgE mediated CMPA in infants and toddlers. The company was incorporated in 2002.