Pilot Trial of ExACT (Exercise as Airway Clearance Therapy) for People With Cystic Fibrosis

"Arm-2 (ExACT): Participants will be advised to replace routine chest physiotherapy sessions with exercise combined with coughs and huffs - also referred to as forced expiratory techniques (FET). The undertaking of ExACT at least once per day is expected.~Written and verbal instruction will be provided on the type, duration, frequency and intensity of exercise that is considered adequate replacement for routine chest physiotherapy. A compendium of allowable activity types, and the required times at different intensities that are considered to replace chest physiotherapy for ACT The research team will support exercise advice in line with standard care if subjects request this. The trial has no other changes to CF care. All medications, nutritional support and other treatments continue."