World Health Organization site
Skip Navigation Links

Main
Note: This record shows only 22 elements of the WHO Trial Registration Data Set. To view changes that have been made to the source record, or for additional information about this trial, click on the URL below to go to the source record in the primary register.
Register: ClinicalTrials.gov
Last refreshed on: 19 February 2015
Main ID:  NCT01126528
Date of registration: 18/05/2010
Prospective Registration: Yes
Primary sponsor: Johns Hopkins Bloomberg School of Public Health
Public title: Antenatal Vitamin D3 Supplementation in Bangladesh: Randomized Controlled Trial AViDD-2
Scientific title: The Effect of Antenatal Vitamin D Supplementation on Maternal-fetal Vitamin D Status and Neonatal Immune Function: a Randomized Controlled Trial in Bangladesh
Date of first enrolment: August 2010
Target sample size: 160
Recruitment status: Completed
URL:  http://clinicaltrials.gov/show/NCT01126528
Study type:  Interventional
Study design:  Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor), Primary Purpose: Prevention  
Phase:  Phase 2
Countries of recruitment
Bangladesh
Contacts
Name:     Rubhana Raqib, PhD
Address: 
Telephone:
Email:
Affiliation:  International Centre for Diarrhoeal Disease Research, Bangladesh
Name:     Daniel Roth, MD
Address: 
Telephone:
Email:
Affiliation:  Johns Hopkins Bloomberg School of Public Health
Name:     Abdullah Baqui, MBBS
Address: 
Telephone:
Email:
Affiliation:  JHSPH; ICDDR,B
Key inclusion & exclusion criteria

Inclusion Criteria:

- Women aged 18 to <35 years.

- Current residence in Dhaka at a fixed address

- Plans to have the delivery performed at the Shimantik maternity center, and to stay
in Dhaka throughout the pregnancy and for at least one month past the date of
delivery.

- Gestational age of 26th to 29th (inclusive), estimated based on the first day of the
last menstrual period (LMP).

Exclusion Criteria:

- Use of any dietary supplement containing more than 400 IU/day (10 mcg/day) of vitamin
D within the month prior to enrolment, or refusal to stop taking supplemental vitamin
D at any dose after enrollment.

- Current use of anti-convulsant or anti-mycobacterial (tuberculosis) medications.

- Severe anemia (hemoglobin concentration < 70 g/L).

- Complicated medical or obstetric history that may increase the risk of preterm birth
or labor/delivery complications, based on self-report or clinical assessment by
physician (e.g., cardiovascular disease, uterine hemorrhage, placenta previa,
threatened abortion, hypertension, preeclampsia, preterm labor, or multiple
gestation).

- Prior history of delivery of an infant with a major congenital anomaly, birth
asphyxia, or perinatal death (stillbirth or death within first week of life).



Age minimum: 18 Years
Age maximum: 34 Years
Gender: Female
Health Condition(s) or Problem(s) studied
Pregnancy
Intervention(s)
Dietary Supplement: Vitamin D3
Dietary Supplement: Placebo control
Primary Outcome(s)
Serum 25-hydroxyvitamin D concentration [Time Frame: Maternal: during 3rd trimester; Neonatal (cord blood)]
Secondary Outcome(s)
Neonatal immune function [Time Frame: Cord blood]
Infant growth [Time Frame: Postnatal observational follow-up phase]
Neonatal serum calcium [Time Frame: 1st week postnatal]
Serum calcium concentration [Time Frame: Maternal:3rd trimester; Cord blood.]
Urine Ca:Cr ration [Time Frame: Maternal- 3rd trimester]
Infant and maternal postnatal vitamin D status [Time Frame: Postnatal observational follow-up phase]
Secondary ID(s)
JHU-IRB2481
02829-5
Source(s) of Monetary Support
Please refer to primary and secondary sponsors
Secondary Sponsor(s)
International Centre for Diarrhoeal Disease Research, Bangladesh
Ethics review
Results
Results available:
Date Posted:
Date Completed:
URL:
Disclaimer: Trials posted on this search portal are not endorsed by WHO, but are provided as a service to our users. In no event shall the World Health Organization be liable for any damages arising from the use of the information linked to in this section. None of the information obtained through use of the search portal should in any way be used in clinical care without consulting a physician or licensed health professional. WHO is not responsible for the accuracy, completeness and/or use made of the content displayed for any trial record.
Copyright - World Health Organization - Version 3.6 - Version history