AzTrials
AzTrials

Vitamin D DeficiencyPhase 2/3NCT01240265

Vitamin D Supplementation in Breastfeeding Women

A Phase 2/3 study testing Vitamin D3 in people with Vitamin D Deficiency and Rickets, run by Mayo Clinic 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
Search all trials

Trial summary

Adequate vitamin D is essential for proper infant growth and development. However, human milk is low in vitamin D, and most infants do not receive recommended supplementation. Our aim is to assess the feasibility of providing adequate vitamin D to breastfed infants through maternal vitamin D supplementation. Read more about this study

Who is it for?
Ages 1 month to 50 yearsHealthy volunteers can take part
What is being tested?
Vitamin D3
Type of treatment
Pill or oral medicine
Could I receive a placebo?
No, everyone receives an active treatment
How many people
80 participants
Where
1 siteUnited States
Study dates
Dec 2010to Aug 2011
Phase
Phase 2/3
Are there results?
None posted in the registry

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 1 month to 50 years
  • All sexes
  • Healthy volunteers accepted
  • Child, Adult

Who may be able to join

  • Currently lactating mothers at least 18 years of age
  • Willing to continue exclusively breastfeeding their infant throughout the study interval
  • The infant is 1-6 months of age at the beginning of the study
  • Willing and able to participate in all aspects of the study
  • Mother and infant are in good health, as determined by the study investigator
  • Have been provided with, understand, and have signed the informed consent for themselves and their child.

Who cannot join

  • Have recently travelled (within the preceding 30 days) or plan to travel south of 35 degrees north latitude during the study interval
  • Have recently or plan to engage in indoor tanning
  • Are currently taking medications that affect vitamin D metabolism, like steroids, anticonvulsants, or barbiturates
  • Are nursing multiple infants (e.g. twins)
  • Are taking greater than the daily recommended intake of 1000 mg elemental calcium as calcium supplements
  • Are taking greater than the standard daily dose of 400 IU of vitamin D found in prenatal vitamins
Show all 9Show fewer
  • Infant weight below 1.67 kg
  • Mothers with baseline 25(OH)D levels >70 ng/ml, and/or infants with baseline 25(OH)D levels >70 ng/ml
  • History of kidney stones

Trial locations and contacts

1 site in 1 country.

United States1 site
  • Mayo Clinic in Rochester

    Rochester, Minnesota, 55905

Other trials in United States

About this study

Official title: Maternal Oral Vitamin D Supplementation Via Daily or Monthly Regimens and the Effect on Levels of Vitamin D in Human Milk and Infant Serum

Adequate vitamin D is essential for proper infant growth and development. However, human milk is low in vitamin D, and most infants do not receive recommended supplementation. Our aim is to assess the feasibility of providing adequate vitamin D to breastfed infants through maternal vitamin D supplementation. Forty non-pregnant, lactating women at least 18 years of age with exclusively breastfed infants between the ages of 1 and 6 months will be randomized to receive oral vitamin D as either 5,000 IU daily for 28 days or 150,000 IU as a single dose. Maternal serum calcium, phosphorus, vitamin D and 25(OH)D; maternal urinary calcium; maternal milk vitamin D and 25(OH)D will be measured on days 0, 1, 3, 7, 14, and 28 of the study; and infant serum vitamin D and 25(OH)D will be measured on days 0 and 28.

Being tested
Vitamin D3
Keywords
Vitamin D deficiency, Rickets, Infant, Nutrition
Medical subject headings
Vitamin D Deficiency, Rickets, Infant Nutrition Disorders

What participants receive

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

  • Vitamin D3Dietary supplement

    Also called Cholecalciferol

    150,000 IU orally given once

  • Vitamin D3Dietary supplement

    Also called Cholecalciferol

    5000 IU given orally daily for 28 days

Study groups in NCT01240265
Study groupRoleWhat they receive
Vitamin D 150,000 units onceExperimentalSingle dose of vitamin D3 150,000 IU given orally once
Receives: Dietary Supplement: Vitamin D3
Vitamin D 5000 units dailyExperimentalVitamin D3 5000 IU daily given orally for 28 days
Receives: Dietary Supplement: Vitamin D3

What is being measured

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

  1. The number of days of detectable milk vitamin D concentrations

    To compare the number of days of detectable milk vitamin D concentrations and incremental area under the curve between two dosing regimens of oral cholecalciferol in lactating mothers.

    Measured: 28 days

Secondary outcomes (1)
  1. Infant serum 25(OH)D concentration

    To compare the change in serum 25(OH)D concentrations in infants receiving milk from mothers supplemented with either 5,000 IU daily or 150,000 IU monthly cholecalciferol

    Measured: 28 days

Timeline

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

  1. First posted15 Nov 2010 (estimated)
  2. Study startDec 2010
  3. Primary completionAug 2011
  4. Study completionAug 2011

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 2/3
Primary purpose
Prevention
Allocation
Randomised
Intervention model
Parallel groups
Masking
None (open label)
Enrolment
80 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT01240265
Sponsor's protocol ID
10-004130
Status last verified
Apr 2013
First submitted
10 Nov 2010
Last updated
30 Apr 2013
Results posted
No
Data monitoring committee
No

Publications

  • Ketha H, Thacher TD, Oberhelman SS, Fischer PR, Singh RJ, Kumar R. Comparison of the effect of daily versus bolus dose maternal vitamin D3 supplementation on the 24,25-dihydroxyvitamin D3 to 25-hydroxyvitamin D3 ratio. Bone. 2018 May;110:321-325. doi: 10.1016/j.bone.2018.02.024. Epub 2018 Feb 24.

    PubMed 29486367
  • Oberhelman SS, Meekins ME, Fischer PR, Lee BR, Singh RJ, Cha SS, Gardner BM, Pettifor JM, Croghan IT, Thacher TD. Maternal vitamin D supplementation to improve the vitamin D status of breast-fed infants: a randomized controlled trial. Mayo Clin Proc. 2013 Dec;88(12):1378-87. doi: 10.1016/j.mayocp.2013.09.012.

    PubMed 24290111

Questions about this trial

What is this clinical trial studying?

A Phase 2/3 study testing Vitamin D3 in people with Vitamin D Deficiency and Rickets, run by Mayo Clinic 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 6 inclusion and 9 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 30 Apr 2013. 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 combined 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.

Phase 3 studies compare the treatment with the current standard treatment or a placebo in a large group, to confirm how well it works and watch for side effects.

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

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

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?

The number of days of detectable milk vitamin D concentrations (time frame: 28 days). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT01240265, which also lists 2 linked publications.

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 30 Apr 2013.

Free account

Log in to keep searching

You’ve used your 3 free searches. AzTrials is free: log in or create a free account to keep searching clinical trials and save the ones you want to follow.

Create a free accountLog in