Rituximab is FDA approved for treatment of moderate to severe pemphigus, but 20% may relapse in 1st Yr. Study of 87 pts shows the efficacy of repeat 6 mos RTX in A) those with persistent Dz activity and B) anyone w/ predictors of relapse (PDAI score, DSG1 or DSG3 abs)… https://t.co/IhqdGWVcdp https://t.co/MKhDpa5zHv