Company is on track to file the Phase 3 protocol in the fourth quarter of 2025 SAN FRANCISCO, Dec. 15, 2025 (GLOBE NEWSWIRE) -- FibroGen, Inc. (NASDAQ: FGEN) today announced that the Office of Orphan Products Development of the U.S. Food and Drug Administration (FDA) has granted roxadustat Orphan Drug Designation for the treatment of myelodysplastic syndromes (MDS). “The Orphan Drug Designation granted to roxadustat for MDS underscores the significant treatment gap in this indication, and highlights patient ...