Incidence of Rheumatoid Arthritis Onset in Patients with Arthralgia and Anti- Citrullinated Peptide Antibody Positivity: Pilotstudy on Effectiveness of Hydroxychloroquin Treatment

Lars Köhler¹, Timm Kirchhoff², Alexandra Jablonka², Reinhold E Schmidt² and Sonja Merkesda^2*

¹Niedersächsischer Praxisverbund arthros+, Tertiary Rheumatological Care Center,Joachimstr. 1, Hannover, 30159, Germany

²Clinic for Immunology and Rheumatology, Hannover Medical School, Working Group for Health Economics and Epidemiology, Carl-Neuberg-Str. 1, Hannover, 30625, Germany

^*Corresponding Author: Sonja Merkesda, Clinic for Immunology and Rheumatology, Hannover Medical School, E 6830, Carl-Neuberg-Str. 1, 30625 Hannover, Germany, Tel: +495115326656 Email: