Cystic fibrosis drug development faces major challenges including a limited worldwide patient population that makes recruitment difficult, the need for specialized trial sites, and the complex nature of the disease. Covance has experience conducting over 20 cystic fibrosis studies and can help overcome these challenges through their relationships with patient advocacy groups to enhance enrollment, expertise in locating optimal specialized sites, and experience designing studies that accommodate the needs of pediatric and adult cystic fibrosis patients.