| Recruiting | 4 | 730 | Canada, US | Beta-lactam antibiotic, β-lactam, Aminoglycoside, AG | Chris Goss, University of Washington, Medical University of South Carolina, Cystic Fibrosis Foundation | Cystic Fibrosis, Cystic Fibrosis Pulmonary Exacerbation | 11/26 | 11/26 | | |
| Completed | N/A | 116 | US | | Chris Goss, University of Washington, University of Arkansas, Harvard University, Cystic Fibrosis Foundation | Cystic Fibrosis | 12/23 | 12/23 | | |