Status:
COMPLETED
A Study to Investigate the Effect of Vitamin D3 Supplementation on Asthma Symptoms in Adults With Asthma (VITDAS)
Lead Sponsor:
University of Chester
Conditions:
Asthma
Vitamin D Deficiency
Eligibility:
All Genders
18-65 years
Phase:
NA
Brief Summary
Asthma is a disease characterised by chronic inflammation of the airways leading to symptoms including periods of shortness of breath, wheezing and a tight chest due to airway narrowing in affected pa...
Detailed Description
Recruitment and sampling strategy: Participants will be recruited from the University of Chester (staff and students) and surrounding areas, United Kingdom (UK) only. Emails, posters and social media...
Eligibility Criteria
Inclusion
- Males or females aged 18 years to 65 years
- Asthma diagnosed by a general practitioner
- Taking inhaled therapy to treat asthma that is required at least two times per week
Exclusion
- Taking vitamin D supplements or supplements containing calcium
- History of asthma requiring treatment with intubation and mechanical ventilation within the past five years
- Require inhaled asthma therapy more than four times per day
- Respiratory tract infection within the past four weeks
- Suffering from chronic diseases of the lung (other than asthma), heart, liver, kidney, endocrine or nervous system or immunodeficiency
- History of smoking within the past year or \> 10 years total
- Been on a sun holiday within a month of taking part in the study or during the study. For the purpose of this study a sun holiday is defined as: spending one week or more in a hotter climate with the intention of sun-bathing
- Unable to communicate in English
Key Trial Info
Start Date :
October 28 2019
Trial Type :
INTERVENTIONAL
Allocation :
ACTUAL
End Date :
April 1 2022
Estimated Enrollment :
32 Patients enrolled
Trial Details
Trial ID
NCT04117581
Start Date
October 28 2019
End Date
April 1 2022
Last Update
November 4 2022
Active Locations (1)
Enter a location and click search to find clinical trials sorted by distance.
1
University of Chester
Chester, Chesire, United Kingdom, CH1 4BJ