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AsthmaPhase 1SAVED-PNCT01921894

Vitamin D and Severe Asthma Exacerbations

A Phase 1 study testing Cholecalciferol in people with Asthma, run by University of Pittsburgh at 1 site in United States.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

This study of vitamin D is designed to assess both the safety and efficacy of potential doses (2,000 IU/day and 4,000 IU/day) in raising a vitamin D level to a normal range in a short period of time (e.g. 4 weeks or less) compared to 200 IU/day. Read more about this study

Who is it for?
Ages 6 to 14 years
Conditions the study is for
Asthma
What is being tested?
Cholecalciferol
Type of treatment
Pill or oral medicine
Could I receive a placebo?
No, everyone receives an active treatment
How many people
48 participants
Where
1 siteUnited States
Study dates
Aug 2013to Jan 2015
Phase
Phase 1
Are there results?
Yes, posted in the registrySummary in the doctors' view

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 6 to 14 years
  • All sexes
  • No healthy volunteers
  • Child

Who may be able to join

  • Be at least 6 years of age and younger than 15 years of age
  • Have physician-diagnosed asthma
  • Taking a medium dose of ICS (e.g. fluticasone 220mcg BID) for daily asthma control for at least 6 months in the prior year.
  • Have had a severe asthma exacerbation in the previous year, defined as an Emergency Department (ED) visit, hospitalization, or unscheduled clinic visit for asthma resulting in intramuscular, intravenous, or oral steroids.
  • Have bronchodilator responsiveness (BDR, an increase in FEV1 ≥12% from baseline after administration of inhaled albuterol) or (if no BDR) increased airway responsiveness to methacholine challenge
  • Have vitamin D insufficiency (a serum vitamin D (25(OH)D) level <30 ng/ml)
  • Have his/her parents give voluntary written consent to participate in the study

Who cannot join

  • Chronic respiratory disorder other than asthma (e.g., bronchiectasis).
  • Severe asthma, as evidenced by any of the following: a) chronic need for medication other than single controller therapy and inhaled β2-agonist, b) intubation for asthma at any time, and c) ≥2 hospitalizations or ≥6 severe asthma exacerbations in the previous year
  • History of cigarette smoking in the prior year or former smoking if ≥5 pack-years
  • Hepatic or renal disease, metabolic rickets, malabsorptive disorders, or other chronic diseases that would affect vitamin D metabolism
  • Immune deficiency, cleft palate or Down's syndrome, which might increase the child's likelihood of respiratory infections
  • Treatment with anticonvulsants or pharmacological doses of vitamin D (≥1,000 IU/day of vitamin D2 or D3)
Show all 11Show fewer
  • Chronic oral corticosteroid therapy
  • Inability to perform acceptable spirometry
  • Use of investigational therapies or participation in clinical trials 30 days before or during the duration of the study
  • Serum calcium >10.8 mg/dl
  • Serum 25(OH) D <10 ng/ml (severe vitamin D deficiency)

Trial locations and contacts

1 site in 1 country.

United States1 site
  • Children's Hospital of Pittsburgh of UPMC

    Pittsburgh, Pennsylvania, 15224

Other trials in United States

About this study

Official title: A Phase I Trial for Children With Vitamin D Insufficiency and High Risk of Severe Asthma Exacerbations

This study of vitamin D is designed to assess both the safety and efficacy of potential doses (2,000 IU/day and 4,000 IU/day) in raising a vitamin D level to a normal range in a short period of time (e.g. 4 weeks or less) compared to 200 IU/day.

In children with vitamin D insufficiency or deficiency who are at risk for severe asthma exacerbations, we hypothesize that both vitamin D supplementation with 4,000 IU/day and 2,000 IU/day will safely achieve normal vitamin D levels, but that the higher dose (4,000 IU/day) will result in a larger proportion of subjects achieving this level at 4 and 8 weeks.

Read the detailed description

Asthma is a major public health problem in the United States and worldwide. Severe disease exacerbations account for the majority of costs attributable to asthma in the United States. Vitamin D is an essential nutrient with significant immuno-modulatory effects. The observation that vitamin D insufficiency and asthma share risk factors such as urban residence, obesity, and African American ethnicity has generated significant interest in exploring a link between these two conditions.

This is an 8-week randomized, double-masked, controlled trial of vitamin D3 (2,000 IU/day and 4,000 IU/day) to achieve vitamin D sufficiency (a serum 25(OH)D ≥30 ng/ml in 60 school-aged children (ages 6 to 14 years) who have vitamin D insufficiency (a serum 25(OH)D <30 ng/ml) and are at risk for severe asthma exacerbations, but whose asthma that is well-controlled on medium-dose inhaled corticosteroid (ICS) at the end of a 4-week run-in period.

Conditions
Asthma
Being tested
Cholecalciferol
Keywords
asthma, vitamin D
Medical subject headings
Asthma

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • CholecalciferolDietary supplement

    Also called vitamin D3

    vitamin D supplementation with either 2,000 IU/day or 4,000 IU/day compared to vitamin D3 supplementation with 200 IU/day.

Study groups in NCT01921894
Study groupRoleWhat they receive
Cholecalciferol 4000 IUExperimentalCholecalciferol 4000 IU oral chewable tablet once daily for 8 weeks
Receives: Dietary Supplement: Cholecalciferol
Cholecalciferol 2000 IUExperimentalCholecalciferol 2000 IU oral chewable tablet once daily for 8 weeks
Receives: Dietary Supplement: Cholecalciferol
Cholecalciferol 200 IUActive comparatorCholecalciferol 200 IU oral chewable tablet once daily for 8 weeks
Receives: Dietary Supplement: Cholecalciferol

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Number of Participants With Sufficient Vitamin D Levels (≥30 ng/ml) After 8 Weeks of Supplementation

    The primary outcome of the proposed trial will be a sufficient (≥30 ng/ml) vitamin D level after 8 weeks of supplementation

    Measured: 8 weeks

  2. Number of Participants With Vitamin D Sufficiency (Vitamin D ≥30 ng/ml) After 4 Weeks of Supplementation

    The outcome is defined as the number of participants with a sufficient (≥30 ng/ml) vitamin D level after 8 weeks of supplementation

    Measured: 4 weeks

Secondary outcomes (3)
  1. Number of Participants With Vitamin D Toxicity

    Participants with vitamin D toxicity, hypercalcemia (>10.8mg/dl) and/or an elevated urine Ca/Cr ratio (>0.37)

    Measured: 8 weeks

  2. Number of Participants With Elevated Urinary Calcium/Creatinine Ratio

    Elevated urinary calcium/creatinine ratio defined as UCa/UCr > 0.37 after either 4 weeks or 8 weeks of supplementation

    Measured: 4 and/or 8 weeks

  3. Number of Participants With FEV1 < 80% of Predicted

    Forced expiratory volume in 1 second (FEV1) as percent predicted (with reference values used according to the child's age, gender and ethnicity).

    Measured: 8 weeks

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted13 Aug 2013 (estimated)
  2. Study startAug 2013
  3. Primary completionJan 2015
  4. Study completionJan 2015

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 1
Primary purpose
Prevention
Allocation
Randomised
Intervention model
Parallel groups
Masking
Triple blind
Who is masked
Participant, Care provider, Investigator
Enrolment
48 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT01921894
Sponsor's protocol ID
SAVED-P
Acronym
SAVED-P
Status last verified
Feb 2017
First submitted
9 Aug 2013
Last updated
23 Mar 2017
Data monitoring committee
No
Individual data sharing
No

Questions about this trial

What is this clinical trial studying?

A Phase 1 study testing Cholecalciferol in people with Asthma, run by University of Pittsburgh at 1 site in United States.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 7 inclusion and 11 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 23 Mar 2017. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in United States. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 1 studies test a treatment in a small group of people for the first time or in a new way, mainly to check safety and find the right dose.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

Yes. Results are posted in the registry (first posted 23 Mar 2017). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Number of Participants With Sufficient Vitamin D Levels (≥30 ng/ml) After 8 Weeks of Supplementation (time frame: 8 weeks). The study lists 2 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 23 Mar 2017.

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Vitamin D and Severe Asthma Exacerbations | AzTrials