DANBURY, Conn. and WESTLAKE VILLAGE, Calif., June 03, 2026 (GLOBE NEWSWIRE) -- MannKind Corporation (Nasdaq: MNKD), a biopharmaceutical company focused on developing innovative, patient-centric therapies for chronic diseases, today announced key clinical execution milestones in the development of nintedanib DPI for idiopathic pulmonary fibrosis (IPF), including the completion of patient randomization in the U.S. Phase 1b INFLO-1 clinical trial and enrollment of the first patient in the global