Trial of Exercise Therapy in Familial Adenomatous Polyp (FAP)

"* Exercise: Endurance exercise therapy comprising treadmill walking administered by exercise physiologists via a study-kit which includes a smart-watch (activity tracker), heart rate monitor, blood pressure cuff, body composition scale, and etablet)~* Exercise escalation trial testing 3 exercise levels (150, 225, and 300 minutes per week), with one de-escalation exercise of 90 minutes per week, if required.~* The phase 1b trial will evaluate the highest feasible exercise level and one exercise below identified in the phase 1a study."