Grifols ((MCE:GRF, MCE:GRF.P, NASDAQ:GRFS), a global healthcare company and leading producer of plasma-derived medicines, today announced that the first patients have been dosed in two separate Phase 3 trials aiming to expand the U.S. labels for its signature immunoglobulin therapeutics, GAMUNEX®-C, an intravenous immunoglobulin (IVIg), and XEMBIFY®, its subcutaneous immunoglobulin (SCIg).