Objectives: To describe the incidence, severity and progression of proteinuria over the first 6 months of masitinib treatment in tumour-bearing dogs without pre-existing proteinuria. To describe the effect of treatment on urine protein:creatinine and renal parameters in patients with pre-existing proteinuria.
Materials And Methods: Records were reviewed from patients receiving masitinib for neoplasms between June 1, 2010, and May 5, 2019.