Pharmaceutical The UK’s National Institute for Health and Care Excellence (NICE) has published final draft guidance recommending that Filspari (sparsentan) can be used in the National Health Service (NHS) in England as an option to treat primary IgA nephropathy in adults with a urine protein excretion of 1.0g/day or more, or a urine protein-to-creatinine ratio of 0.75g/g or more. 23 May 2025