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Vitamin D Dynamics in Women

StatusRecruiting
PhaseNot specified
Started
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Record History

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  1. Re-verified, no change to tracked fieldsv8
  2. Trial status: Active, Not Recruiting to Recruitingv7 Show 6 more changesShow less
    • Primary completion date: Jul 2026 to May 2028
    • Start date: Jul 2015 to Oct 28, 2024
    • Primary endpoints: 2 to 3
    • Study completion date: Jul 2026 to May 2029
    • Secondary endpoint revised
    • Site details revised
  3. Enrollment target: 18 to 160v6 Show 6 more changesShow less
    • Primary and study completion dates: Jul 2019 to Jul 2026
    • Trial status: Completed to Active, Not Recruiting
    • Interventions: Delivery-25(OH) Vitamin D (Other), Delivery-Vitamin D (Other), Delivery-placental transfer (Other), Vitamin D dynamics-nonpregnant (Other)… to Vitamin D dynamics-nonpregnant (Other), Vitamin D dynamics-pregnant (Other)
    • Study description shortened, about 31 words
    • Study arms: 5 to 2
    • Eligibility criteria shortened, about 4 words
  4. Trial status: Recruiting to Completedv5 Show 4 more changesShow less
    • Enrollment target: estimated 20 to confirmed 18
    • Primary completion date changed from estimate of Apr 2019 to Jul 2019
    • Study completion date changed from estimate of Jun 2019 to Jul 2019
    • Site details revised
  5. Trial status: Active, Not Recruiting to Recruitingv4 Show 10 more changesShow less
    • Enrollment target: 10 to 20
    • Primary completion date: Aug 2016 to Apr 2019
    • Primary endpoints: 1 to 2
    • Study completion date: Dec 2017 to Jun 2019
    • Interventions: Non-pregnant (Other), Pregnant (Other) to Delivery-25(OH) Vitamin D (Other), Delivery-Vitamin D (Other), Delivery-placental transfer (Other), Vitamin D dynamics-nonpregnant (Other)…
    • Eligibility criteria expanded, about 15 words
    • Secondary endpoints: details revised at 1 of 1 entry
    • Study description expanded, about 161 words
    • Site details revised
    • Study arms: 2 to 5
Show 2 earlier versionsHide 2 earlier versions
  1. Trial status: Recruiting to Active, Not Recruiting
    • Enrollment target: estimated 20 to confirmed 10
    • Site details revised
    v3
  2. Eligibility criteria expanded, about 7 words
    • Study description expanded, about 3 words
    v2
  1. Study First Submitted
  • Stopped: an ongoing trial was terminated, suspended or withdrawn.
  • Notable: the trial’s plan changed such as a big move in its timeline or size, a new primary endpoint, sponsor or phase, or recruiting opened or resumed.
  • Minor: routine progress and housekeeping, such as sites added or enrollment closed.
The goal of this project is to utilize stable isotopically labeled vitamin D3 and state of the art mass spectrometric methodology to assess vitamin D dynamics during pregnancy in relation to relation to obesity and vitamin D binding protein genotype. At the conclusion of this study, the investigators will have obtained novel information on the absorption and utilization of vitamin D in women and the degree to which vitamin D utilization during pregnancy is impacted by genetic ancestry, vitamin D binding protein concentration and genotype and by excess adiposity. The long-term goal is to better understand the unique metabolism of vitamin D during pregnancy.
Trial Details
NCT Number NCT02705287
Lead Sponsor Cornell University
Collaborators: University of Rochester
Conditions
(from sponsor)		 Pregnancy
Enrollment 160 participants
Start Date
Primary Completion (estimated)
Study Completion (estimated)
Updated on ClinicalTrials.gov