Provided herein are methods of treating IgA
nephropathy, comprising administering a therapeutically effective amount of atrasentan, or a pharmaceutically acceptable salt thereof, to a subject in need thereof Also provided herein are methods of decreasing
renal inflammation and / or
fibrosis, decreasing the occurrence of hematuria, stabilizing eGFR. decreasing the number of IgA-
nephropathy associated
disease flares, delaying the onset of ESRD, decreasing
proteinuria, and decreasing fatigue in a subject having IgA
nephropathy, comprising administering a therapeutically effective amount of atrasentan, or a pharmaceutically acceptable salt thereof, to the subject. In some embodiments, the subject has not been previously diagnosed with one or more of
diabetic nephropathy, HIV / AIDS, HIV-related nephropathy,
prostate cancer, or acute
kidney failure