July 2019N Engl J MedAt the same time, two clinical research results on the latest renal anemia treatment drug roxastat-the treatment of renal anemia in patients with dialysis and non-dialysis chronic kidney disease, led by the team of Professor Chen Nan, Department of Nephrology, Ruijin Hospital affiliated to Shanghai Jiao Tong University School of Medicine, and participated by 29 hospitals across the country, were published [Study 1: Chen N, Hao C, Liu B C, et al. Roxadustat treatment for anemia in patients undergoing long-term dialysis. N Engl J Med, 2019, 381 (11): 1011-1022; Study 2: Chen N, Hao C, Peng X, et al. Roxadustat for anemia in patients with kidney disease not receiving dialysis [J]. N Engl J Med, 2019, 381 (11): 1001 – 1010][1,2]Prof. Kaplan's review was distributed at the same time[3]。