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Vitamin D DeficiencyPhase 2NCT02613884

Safety, Efficacy, and Feasibility of High-dose Cholecalciferol in Pediatric Patients With Cystic Fibrosis

A Phase 2 study testing Treatment in people with Vitamin D Deficiency, run by Johns Hopkins All Children's Hospital 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

Children with Cystic Fibrosis, ages greater than and equal to 36 months of age and less than or equal to 18 years of age, with a 25OHD level less than 30 ng/dL will be asked to participate in this study. Read more about this study

Who is it for?
Ages 36 months to 18 yearsHealthy volunteers can take part
Conditions the study is for
Vitamin D Deficiency
What is being tested?
Treatment
Type of treatment
Pill or oral medicine
Could I receive a placebo?
No, everyone receives an active treatment
How many people
26 participants
Where
1 siteUnited States
Study dates
Nov 2016to 25 Nov 2019
Phase
Phase 2
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 36 months to 18 years
  • All sexes
  • Healthy volunteers accepted
  • Child, Adult

Who may be able to join

  • Children with Cystic Fibrosis >36 months of age
  • Serum/blood 25OHD level < 30 ng/dL
  • Ability to provide valid informed consent to be a part of the study

Who cannot join

  • Any history of kidney disease, kidney stones or on dialysis
  • Any history of hypercalcemia
  • Any history of hypercalciuria
  • Pregnancy at time of enrollment
  • Any history of parathyroid disorders
  • Inability to swallow pills by mouth

Trial locations and contacts

1 site in 1 country.

United States1 site
  • Johns Hopkins All Children's Hospital

    St. Petersburg, Florida, 33701

Other trials in United States

About this study

Children with Cystic Fibrosis, ages greater than and equal to 36 months of age and less than or equal to 18 years of age, with a 25OHD level less than 30 ng/dL will be asked to participate in this study. Upon consent, they will be given oral cholecalciferol supplementation of 250,000 IU during their next CF clinic visit. The safety will be assessed by measuring a serum calcium level within 1 week of supplementation. Efficacy will be assessed using repeated 25OHD levels throughout the course of 12 months. Feasibility will be assessed with the previous two measures as well as a brief questionnaire administered via telephone within 1 week of supplementation.

Read the detailed description

Children and adults with Cystic Fibrosis (CF) are at risk of developing a vitamin D deficiency or insufficiency, defined as a 2,25-hydroxyvitamin D (25OHD) serum blood level <30 ng/dL. Greater than 85% of people with CF have pancreatic insufficiency, which contributes to poor absorption of fat soluble vitamins in addition to dietary fat. A 25OHD level greater than 30 ng/dL has been described as providing potential improvements to markers of inflammation in adults with CF and is known to improve bone mineral density and prevent bone fractures in all populations, including CF. This study will assess the safety of a one-time high dose of cholecalciferol or vitamin D3 along with the efficacy and feasibility.

Children between the ages of 3 years and 18 years (inclusive), with a 25OHD level <30 ng/dL will be provided with a vitamin D3 supplement of 250,000 international units (IU) observed in our CF clinic. We hypothesize that this one-time, oral, high dose of vitamin D3 will safely and effectively raise the 25OHD level to above 30 ng/dL.

Safety will be monitored with serum calcium levels 1 week following the dosage, since 25OHD has a half-life of 2-3 weeks and this serum calcium level measurement time-point would be in or near the middle of this range. Feasibility will be measured using a 5-question phone survey 1 week following the dosage (see appendix A - attached). Efficacy will be measured by the 25OHD level itself; if 25OHD levels are found to be between 30-100 ng/dL over the course of the study, the dose will have demonstrated effective in achieving the study's goal.

The purpose of this study is to show that 25OHD levels can be safely corrected with a one-time dose of vitamin D3 that can be safely and feasibly provided in the outpatient setting to children with CF.

Being tested
Treatment
Medical subject headings
Vitamin D Deficiency

What participants receive

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

  • TreatmentDrug

Study groups in NCT02613884
Study groupRoleWhat they receive
TreatmentExperimentalAll patients with a 25OHD level <30 ng/dL will be given 250,000 IU D3 (cholecalciferol) orally at one point in time and during CF clinic.
Receives: Drug: Treatment

What is being measured

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

  1. Safety of a Single High-dose of Oral Cholecalciferol to Treat a Vitamin D Deficiency in Children With Cystic Fibrosis

    The safety of a single high-dose of oral cholecalciferol will be assessed using a serum calcium measurement after administration of treatment. Instances of hypercalcemia will be assessed at 1 week and at 3 months post-treatment. The treatment will be considered to be safe if the serum calcium level does not exceed 14 mg/dL.

    Measured: 1 week, 3 months

Secondary outcomes (2)
  1. Efficacy of a Single High-dose of Oral Cholecalciferol in Treating a Vitamin D Insufficiency/Deficiency in Children With Cystic Fibrosis

    The efficacy of this treatment will be assessed by the 25OHD level measured after treatment at 3 months, 6 months, and 12 months. The treatment will be considered to be efficacious if the 25OHD level is greater than or equal to 30 ng/dL.

    Measured: 3 months, 6 months and 12 months

  2. Feasibility of Taking a 1-time High-dose of Cholecalciferol as Assessed by a 5-item Questionnaire

    CF patients with a 25OHD level <30 ng/dL who were given 250,000 IU D3. Feasibility will be measured using a 5-item Yes/No questionnaire where item 1 contains 5 sub-item yes/no questions which all relate to the experience of gastrointestinal symptoms. This was administered via telephone 1-week after administration of the treatment.

    Measured: 1 week

Timeline

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

  1. First posted25 Nov 2015 (estimated)
  2. Study startNov 2016
  3. Primary completion25 Nov 2019
  4. Study completion25 Nov 2019

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 2
Primary purpose
Treatment
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrolment
26 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT02613884
Sponsor's protocol ID
128487
Status last verified
Jan 2021
First submitted
20 Nov 2015
Last updated
3 Feb 2021
Data monitoring committee
Yes
FDA-regulated drug
Yes
Individual data sharing
No

Questions about this trial

What is this clinical trial studying?

A Phase 2 study testing Treatment in people with Vitamin D Deficiency, run by Johns Hopkins All Children's Hospital 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 3 inclusion and 6 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 3 Feb 2021. 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 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.

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 3 Feb 2021). 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?

Safety of a Single High-dose of Oral Cholecalciferol to Treat a Vitamin D Deficiency in Children With Cystic Fibrosis (time frame: 1 week, 3 months). 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 3 Feb 2021.

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