Home/Clinical Trials – Press Announcements Clinical Trials – Press Announcements Protagonist Therapeutics (PTGX) Announces FDA Granted Orphan Drug Designation for PTG-300 for Treatment of Beta-Thalassemia Montco biopharm firm begins human studies of iron overload therapy La Jolla Pharmaceutical Company Announces Initiation of Multicenter, Randomized, Phase 2 Clinical Study of LJPC‑401 in Patients with Hereditary Hemochromatosis