Comparison of the Efficacy of Calcium-cholecalciferol Foodstuffs and Calcium-cholecalciferol Supplement
NCT00864539 · Status: COMPLETED · Phase: PHASE2/PHASE3 · Type: INTERVENTIONAL · Enrollment: 585
Last updated 2011-11-21
Summary
This study is conducted in two phases. At the first phase, the prevalence of vitamin D insufficiency in primary school-children in Tehran is determined during the cold seasons of 2008. Then, the efficacy of calcium-vitamin D-fortified milk, -orange juice and supplement is compared in six selected primary schools.
Conditions
- Vitamin D Status
- Healthy
Interventions
- DIETARY_SUPPLEMENT
-
fortified milk
daily intake of milk fortified with 100 IU vitamin D and 500 mg calcium/200 ml package for 10 weeks
- DIETARY_SUPPLEMENT
-
plain milk
daily intake of 200 ml plain milk
- DIETARY_SUPPLEMENT
-
fortified orange juice
daily intake of orange juice fortified with 100 IU vitamin D and 500 mg calcium/250 ml package
- DIETARY_SUPPLEMENT
-
plain orange juice
daily intake of 250 ml plain orange juice
- DIETARY_SUPPLEMENT
-
calcium-vitamin D supplement
daily calcium-vitamin D supplement (500 mg calcium + 200 IU vitamin D)
- DIETARY_SUPPLEMENT
-
Placebo
daily placebo
Sponsors & Collaborators
-
National Nutrition and Food Technology Institute
lead OTHER
Principal Investigators
-
Tirang R. Neyestani, Ph.D. · National Nutrition and Food Technology Research Institute, P.O. Box 19295-4741
Study Design
- Allocation
- NON_RANDOMIZED
- Purpose
- PREVENTION
- Masking
- SINGLE
- Model
- PARALLEL
Eligibility
- Min Age
- 9 Years
- Max Age
- 11 Years
- Sex
- ALL
- Healthy Volunteers
- Yes
Timeline & Regulatory
- Start
- 2007-11-30
- Primary Completion
- 2009-02-28
- Completion
- 2010-06-30
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