Primary Sjögren's syndrome (SJp) affects 0.1% of the population. This systemic autoimmune disease systemic is characterized by disabling dryness, fatigue and pain, and systemic complications in 30% of patients. No treatment has proven effective in this disease. In open studies, some efficacy was observed with hydroxychloroquine but no RCT versus placebo has ever been done.~Thus, the primary purpose of this study is to evaluate the efficacy and safety of hydroxychloroquine (400mg/ day) on dryness, pain, and fatigue, assessed by the patient using visual analogical scales (VAS).~Response is defined by the improvement of 30% or more of at least 2 out of 3 of the following VAS : most disabling dryness, fatigue, and pain.
Primary Sjögren's syndrome (SJp) affects 0.1% of the population. This systemic autoimmune disease systemic is characterized by disabling dryness, fatigue and pain, and systemic complications in 30% of patients. No treatment has proven effective in this disease. In open studies, some efficacy was observed with hydroxychloroquine but no RCT versus placebo has ever been done.~Thus, the primary purpose of this study is to evaluate the efficacy and safety of hydroxychloroquine (400mg/ day) on dryness, pain, and fatigue, assessed by the patient using visual analogical scales.