Head-to-head comparisons of medication uses, side effects, warnings, and more.
Vanrafia (atrasentan)
Filspari (sparsentan)
Vanrafia (atrasentan)
Filspari (sparsentan)
Summary of Vanrafia vs. Filspari
Summary for Endothelin receptor antagonist
Prescription only
Vanrafia (atrasentan) is a medication used to lower protein levels in the urine in adults with immunoglobulin A nephropathy (IgAN). It works as an endothelin receptor antagonist to help reduce stress on the kidneys. Vanrafia (atrasentan) comes as a tablet that’s taken by mouth once a day. Common side effects include swelling in the arms or legs and low red blood cells.
Summary for Endothelin receptor antagonist and angiotensin II receptor blocker
Prescription only
Filspari (sparsentan) is a medication that works well to lower urine protein levels in people with immunoglobulin A nephropathy (IgAN). It's not known if this means Filspari (sparsentan) slows down worsening kidney function, but this is something that's currently being studied. Filspari (sparsentan) is taken by mouth, typically once daily. Some of the more common side effects it can cause include swelling in the arms and legs, low blood pressure, and dizziness.