Study design (if review, criteria of inclusion for studies)
Interventional - Allocation: Randomized|Intervention Model: Parallel Assignment|Masking: Triple (Participant, Care Provider, Investigator)|Primary Purpose: Supportive Care
Participants
Vitamin D Deficiency|Cystic Fibrosis|Bone Density, Low|Inflammation Chronic|Cystic Fibrosis in Children|Cystic Fibrosis Pulmonary Exacerbation - 5 Years to 18 Years (Child, Adult)
Interventions
Drug: Cholecalciferol Pill
Outcome measures
Change in VitD Levels|Changes in the number of Pulmonary exacerbations|Changes in the Bone mineral density