- has a dianosis of Myositis. Our goal is to colledt preliminary data to see if there is a trend for the efficacy of atorvastatin in ameliorating SLE disease activity and to evaluate TLRs(Toll-like receptor) in SLE patients. A p value of <0.05 will be considered statistically significant. Our baseline and at subsequent visits, we will have 80% power to detect a minimum of 34%-39% difference for most of the continous variables measured at different intervals.