NCT02621827

Vitamin D Half-life in Pregnancy and Lactation

• Status: Completed
• Phase: N/A
• Study type: Interventional
• Enrollment: 49 (actual)
• Sponsor: Medical Research Council · Other Government
• Sex: Female
• Age: 18 Years – 45 Years
• Healthy volunteers: Accepted

Summary

This study measures the plasma half-life of 25-hydroxyvitamin D3 (25(OH)D3) in non-pregnant-non-lactating women, pregnant women at 30 wk gestational age and at 3 months post-partum in women who are exclusively breast-feeding.

Conditions

• Pregnancy
• Lactation

Interventions

Type	Name	Description
OTHER	Oral dose of stable isotope labeled 25(OH)D3	At each measurement, women are given an oral dose of stable isotope labelled 25(OH)D3. Blood and urine samples are collected at baseline and on day 21 post-dose. Additional blood samples are collected post-dose on days 6,9,24,27 and 30.

Timeline

• Start date: 2011-11-01
• Primary completion: 2012-10-01
• Completion: 2013-05-01
• First posted: 2015-12-04
• Last updated: 2015-12-04