SOUTH SAN FRANCISCO, Calif.–(BUSINESS WIRE)–Genentech, a member of the Roche Group (SIX: RO, ROP; OTCQX: RHHBY), announced today late-breaking oral presentation data from the ongoing Phase III IMAgINATION study in adults with primary IgA nephropathy (IgAN) receiving optimized standard of care, demonstrating that investigational sefaxersen achieved a statistically significant and clinically meaningful 43.1% reduction in proteinuria (95% confidence interval [CI]: 32.5 – 52.0, P<0.0001), relat