Establishing the Vitamin D Requirements During Lactation
Public ClinicalTrials.gov record NCT00412074. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
The purpose of this study is to determine the effectiveness and safety of maternal and infant vitamin D supplementation as a function of ethnicity and latitude in the prevention of vitamin D deficiency in the breastfeeding mother-infant pair. The findings of this study will generate important new information for health care professionals and policy makers with regard to vitamin D requirements and the potential benefit to both mother and infant
Study identification
- NCT ID
- NCT00412074
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 3
- Enrollment
- 460 participants
Conditions and interventions
Conditions
Interventions
- 400 IU Vitamin D3 (cholecalciferol) Drug
- 2400 IU Vitamin D3 (cholecalciferol) Drug
- 6400 IU Vitamin D3 (cholecalciferol) Drug
Drug
Eligibility (public fields only)
- Age range
- 18 Years to 45 Years
- Sex
- Female
- Healthy volunteers
- Accepts healthy volunteers
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Jul 31, 2006
- Primary completion
- Sep 30, 2012
- Completion
- Sep 30, 2012
- Last update posted
- Jun 3, 2018
2006 – 2012
United States locations
- U.S. sites
- 2
- U.S. states
- 2
- U.S. cities
- 2
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| University of Rochester Medical Center | Rochester | New York | 14642 | — |
| Medical University of South Carolina | Charleston | South Carolina | 29425 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
Recently updated Vitamin D Deficiency trials
Other public records listing Vitamin D Deficiency. Sorted by last update posted; newest first. Not a recommendation.
- NCT04677816: Impact of Vitamin D Supplementation on the Rate of Pathologic Complete Response in Vitamin D Deficient Patients Recruiting
- NCT03613116: High-dose Vitamin D Supplements in Older Adults Active, not recruiting
- NCT04355572: Evaluation of the Clinical and Psychological Impact of Vitamin D Replacement in Adolescent Females at Risk for Polycystic Ovarian Syndrome (PCOS) Recruiting
- NCT03348280: Vitamin D and Immune Mechanisms of Hypertension in Type 2 Diabetics Active, not recruiting
- NCT05694689: Randomized Trial of Enteral Vitamin D Supplementation in Infants < 28 Weeks Gestational Age or <1000 Grams Birth Weight Recruiting
- NCT05459298: ViDES Trial (Vitamin D Extra Supplementation) Active, not recruiting
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT00412074, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Jun 3, 2018 · Synced Sep 1, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT00412074 live on ClinicalTrials.gov.