** Shares of biotech firm Maze Therapeutics MAZE.O rise 3.1% to $50.50 premarket
** Co says its experimental drug MZE829 reduced protein in urine, a key sign of kidney damage, in a mid‑stage study
** Drug targets APOL1‑mediated kidney disease, an inherited kidney condition that can lead to kidney failure
** Study showed an average 35.6% drop in urine protein after 12 weeks; about half of patients saw drops of over 30%, co says
** Adds larger reductions were seen in patients with a severe kidney scarring condition and those without diabetes
** Co says it plans a larger, late‑stage study of MZE829 following the results
** As of last close, stock was up ~18% YTD
(Reporting by Sahil Pandey in Bengaluru)
((Sahil.Pandey@thomsonreuters.com))