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Vitamin and Asthma Study

This study has been completed.
Information provided by (Responsible Party):
Yanbin Dong, Georgia Health Sciences University Identifier:
First received: October 3, 2011
Last updated: October 22, 2012
Last verified: October 2012
The study looks at how vitamin D supplement will improve the severity of asthma and lung function as well as biomarkers in asthmatic children.

Condition Intervention Phase
Drug: Vitamin D
Phase 4

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Open Label
Primary Purpose: Treatment

Resource links provided by NLM:

Further study details as provided by Yanbin Dong, Georgia Health Sciences University:

Primary Outcome Measures:
  • Change in Pulmonary Function Test (PFT) after vitamin D supplementation [ Time Frame: 4 weeks ]
  • Change in Asthma Control Test (ACT) scores after vitamin D supplementation [ Time Frame: 4-week ]

Enrollment: 10
Study Start Date: December 2010
Study Completion Date: September 2011
Primary Completion Date: September 2011 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: 2000 IU vitamin D Daily Drug: Vitamin D
Vitamin D 2000 IU daily pill Vitamin D 400 IU daily pill
Placebo Comparator: 400 IU Vitamin D pill Drug: Vitamin D
Vitamin D 2000 IU daily pill Vitamin D 400 IU daily pill


Ages Eligible for Study:   7 Years to 17 Years   (Child)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • History of asthma (under control)otherwise in good general health

Exclusion Criteria:

  • Poorly controlled asthma
  • Taking daily multivitamin or vitamin D supplementation
  • Taking oral steroid medication
  • History of bronchopulmonary dysplasia or chronic lung disease, extreme prematurity, congenital heart disease, significant renal dysfunction or primary kidney disease, endocrinologic abnormalities of calcium metabolism or parathyroid disorders
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Please refer to this study by its identifier: NCT01447173

United States, Georgia
Pediatrics Allergy Clinic at Georgia Health Sciences University
Augusta, Georgia, United States, 30912
Sponsors and Collaborators
Augusta University
  More Information

Responsible Party: Yanbin Dong, Professor, Georgia Health Sciences University Identifier: NCT01447173     History of Changes
Other Study ID Numbers: VDAS
Study First Received: October 3, 2011
Last Updated: October 22, 2012

Keywords provided by Yanbin Dong, Georgia Health Sciences University:
Pulmonary Function Test
Vitamin D

Additional relevant MeSH terms:
Bronchial Diseases
Respiratory Tract Diseases
Lung Diseases, Obstructive
Lung Diseases
Respiratory Hypersensitivity
Hypersensitivity, Immediate
Immune System Diseases
Vitamin D
Growth Substances
Physiological Effects of Drugs
Bone Density Conservation Agents processed this record on May 25, 2017