| Completed | 2 | 48 | Canada | Intravenous immunoglobulin (IVIG), Gamunex, CBS IGIV-nex, Privigen, Octagam, Normal Saline, Saline, Sodium Chloride | Ottawa Hospital Research Institute, CSL Behring, Grifols Biologicals, LLC | Chronic Obstructive Pulmonary Disease | 11/19 | 11/19 | | |