Asthma in the Elderly: The Role of Vitamin D

Status

Completed

Phases

Phase 3

Study type

Interventional

Source

ClinicalTrials.gov

Registry ID

NCT01730976

Enrollment

Registered

2012-11-21

Start date

2012-11-30

Completion date

2013-03-31

Last updated

2014-09-10

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Asthma in the Elderly

Keywords

asthma, elderly, vitamin D

Brief summary

We will study whether taking vitamin D improves asthma control and spirometric values in elderly asthmatics.

Interventions

DIETARY_SUPPLEMENTVitamin D 2,000 I.U.

Study design

Allocation

Intervention model

SINGLE_GROUP

Primary purpose

TREATMENT

Masking

NONE

Eligibility

Sex/Gender

ALL

Age

65 Years to No maximum

Healthy volunteers

Inclusion criteria

* Asthma, age of 65 years old or older

Exclusion criteria

* Current smokers, subjects who smoked more than 10 pack/year, subjects taking digoxin, subjects with liver disease

Design outcomes

Primary

Measure	Time frame
Improvement in Asthma Control Test (ACT) score	Three months

Secondary

Measure	Time frame
Improvement in pulmonary function tests values (FEV1%, etc.)	Three months

Other

Measure	Time frame
Serum vitamin D and calcium levels	Three months

Countries

United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Mar 19, 2026