Check out some of these Cochrane Reviews concerning cystic fibrosis:

Inhaled antibiotics for long-term therapy in cystic fibrosis

Macrolide antibiotics for cystic fibrosis

Oxygen therapy for cystic fibrosis

Oscillating devices for airway clearance in people with cystic fibrosis

Active cycle of breathing technique for cystic fibrosis

Physical training for cystic fibrosis

Oral calorie supplements for cystic fibrosis
  
Visit The Cochrane Library to search for more.