This is an exploratory study designed to generate preliminary data in evaluating the efficacy of mepolizumab (Nucala) in the treatment of EF using mean change in the Rodnan Skin score (mRSS) before and after treatment. The study is powered at 90% to detect a 4 point change in the mRSS at a 5% significant level with a minimum target accrual of 6 patients.
This is a proof of concept pilot study to investigate the efficacy of mepolizumab in the treatment of eosinophilic fasciitis.