- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02563015
Can Correction of Low Vitamin D Status in Infancy Program for a Leaner Body Composition?
Novel Functional Outcomes of Vitamin D in Infancy; Can Correction of Low Vitamin D Status Program for a Leaner Body Composition Phenotype?
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Neonates from hospitals in the greater Montreal area will be studied. Neonates will be screened for low vitamin D status within 48 h of birth for 25(OH)D to enable rapid entry into study groups. Those with serum 25(OH)D <50 nmol/L will be randomized to 400 or 1000 IU/d until 1 y of age. Those with 25(OH)D >50 nmol/L will be provided standard of care (400 IU/d) and form a reference group.
Treatment period: Trial is 1 week to 12 months of age; follow-up to 3 years of age.
Frequency and duration of follow up: 1 week (baseline), 3, 6 and 12 months of age for the trial; then 2 and 3 years of age for the follow-ups.
At baseline (1 wk), 3, 6, 12, 24 and 36 mo of age, infants will be seen at our research unit for measurement of anthropometry, body composition and bone as well as blood sampling, skin pigmentation and surveys for diet, activity and demographic information.
Anthropometry - All measurements in infancy will be obtained nude and for 24 to 36 mo the child wearing standardized light clothing, dry diaper and no shoes. Weight will be taken using an electronic scale with a dynamic weighing program (Mettler-Toledo Inc., Switzerland). Length (0.1 cm) will be measured using an infantometer until 24 mo of age (O'Learly Length Boards, Ellard Instrumentation Ltd., US) and height at 36 mo will be measured using a stadiometer (Seca Medical Scales and Measuring Systems, US). Head circumference will be measured (0.1 cm) using a non-stretchable tape (Perspective Enterprises, US) to complete the anthropometric panel. Weight-for-age, height-for-age, and BMI-for-age Z-sores will be calculated using WHO software (WHO AnthroPlus, Switzerland). Mother's weight and height will be measured, while she is still breastfeeding, wearing standard clothing using a calibrated balance-beam scale (Detecto, Webb City, MO, USA) and a wall-mounted stadiometer (Seca model 226; new manufacturer Ayrton226 Hite-Rite Precision Mechanical Stadiometer) to calculate BMI.
Body Composition Measurements - Body composition will be assessed using a fan-beam DXA (APEX version 13.3:3, Hologic 4500A Discovery Series, Bedford, MA). Each infant will wear a light sleeper with no metal or plastic components and a diaper and be scanned using the infant whole body software; at 24 and 36 mo standardized light clothing will be worn and scans captured using whole body software. Whole body scans provide lean mass (g and % of weight), fat mass (g and %), BMC and BMD. Lumbar vertebra 1-4 and forearm BMC and BMD will be captured. Mother's body composition will be measured, while she is still breastfeeding, using BIA (Foot-to-foot tetrapolar Tanita TBF-310, Tanita Corp., Tokyo, Japan) as a rapid assessment.
Biochemistry Measurements - Capillary blood samples (0.5 ml) will be collected at screening; but venous sampling (1.0 ml: yields ~500-600 μl serum) used thereafter; samples will be centrifuged (2235 x g for 20 min at 4°C) to obtain serum (for biochemistry) and buffy coat (white blood cells for DNA) and stored frozen at -80°C until analysis. One 5 ml sample will be taken from parents at baseline (fasting) for measurement of serum 25(OH)D and buffy coat saved for future epigenetic work. For infant screening and maternal serum, total 25(OH)D will be measured using a dedicated auto-analyzer in the PI's laboratory (25 μl; 150 μl "dead volume" that is recovered, Liaison Diasorin Inc.); this assay will also be used for safety assessments at 3 and 6 mo, but is not to be used in analyzing the trial data outcomes as it does not capture all of the metabolites. Liquid chromatography tandem mass spectrometry (LC-MS/MS by Dr. Jones', Queen's Univ.) will be used to measure of 25(OH)D3, 3-epi- 25(OH)D3, and 24,25(OH)2D for all time-points from baseline to 36 mo. In addition, 1,25(OH)2D (100 μl serum) will be similarly measured using an adapted LC-MS/MS method. Both laboratories are certificated by the Vitamin D External Quality Assessment Scheme and will continue to participate in the National Institute of Standards and Technology quality assurance program. Blood-ionized calcium will be measured immediately using our portable unit (ABL80 FLEX Radiometer Medical A/S, Denmark) and compared to published standards (90). Remaining sample will be used for IGF-1 (20 μl) using Liaison (Diasorin Inc.); PTH (25 μl; Immutopics Inc CAT#60-3100) and IGFBP3 (20 μl; R&D Systems CAT#SGB300) will be measured by ELISA. Sample for IGFBP3 will be pre-treated with protease inhibitors prior to storage. Plasma total calcium and phosphate (150 μl) and urinary calcium and phosphate:creatinine will be measured in a spot sample collected at each visit during the trial; Beckman Coulter UniCel DxC600 autoanalyzer. We will reserve remaining sample for later measurement of C-telepeptide, propeptide of type 1 collagen (P1NP) as biomarkers related to bone.
Demographic, Dietary and Activity Surveys - At screening/baseline, parents will be asked to complete a demographic survey regarding their anthropometry, ethnicity and race, income and education using the same descriptors as defined by Statistics Canada. Infant dietary intake over the study period will be assessed using 3-day diet records completed by parents after each visit. While infants are breastfed, milk intake will be assessed by test-weighing of the infant before and after breast feeding for a 24-hour period using a portable electronic scale (Tanita Corporation Inc., US). This will provide nutrient intakes to help explain growth. Dietary intake from other foods is documented using household measurement items and recorded on the 3-day record. All nutrient analysis will be completed using the Nutritionist Pro software version 4.7.0 (Axxya Systems LLC, Stafford, TX) and the most recent Canadian Nutrient File database (Health Canada). At 2 and 3 y of age, the Habitual Activity Estimation Scale Questionnaire (HAES) will be completed by parents for a weekday (Tuesday, Wednesday, or Thursday) and weekend day (Saturday) over the past 2 weeks. Parents divide their child's day into 4 segments (wake-up to breakfast, breakfast to lunch, lunch to dinner, dinner to bedtime). For each time interval, the % time spent in each activity level is used to estimate overall level of physical activity. The 4 activity levels as established by the HAES questionnaire are: "inactive" (lying down, sleeping, resting), "somewhat inactive" (sitting, watching television, activities done mostly sitting down), "somewhat active" (walking, playing with toys), and "very active" (activities that make a child "breathe hard and sweat," like running and skipping).
Skin pigmentation and UVB exposure - Skin color (type) for the infant will be established by taking the average of three measurements at each site for constitutive pigmentation at the inner upper arm and facultative pigmentation (UVB exposure) at the forehead, mid-forearm and lower leg using a spectrophotometer (CM-700d/600d, Konica Minolta, USA). Individual typological angle (ITAo) will be calculated with the L* and b* values. Using constitutive pigmentation, infants will be classified into skin types (I-III: white; IV-VI: non-white) based on Fitzpatrick descriptions. Sun exposure, winter travel and use of sun block will also be surveyed. Sun exposure is expressed as a percentage of body surface area (BSA) exposed and then sun index calculated for each child by multiplying the percent BSA exposed by the time spent outside (min/d); this index does not include sun block.
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
-
-
Quebec
-
Sainte Anne de Bellevue, Quebec, Canada, H9X 2E3
- Mary Emily Clinical Nutrition Research Unit
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Term;
- Healthy;
- Appropriate weight for gestational age;
- Infants born to mothers with otherwise healthy pregnancy and free of medications that impact vitamin D metabolism (except vitamin/mineral supplements) or fetal growth and intent to breastfeed to at least 3 months;
- Infants born to mothers with gestational diabetes (screened for vitamin D status at birth and randomized to 400 or 1000 IU/d vitamin D under an ancillary arm of this study following the same protocol).
Exclusion Criteria:
- Preterm;
- Small for gestational age;
- Maternal smoking in pregnancy, diabetes (types 1 or 2), preeclampsia, celiac disease, inflammatory bowel disease and medications that impact vitamin D/mineral metabolism.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Quadruple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Cholecalciferol 400
400 IU orally per day
|
liquid drops
Other Names:
|
Experimental: Cholecalciferol 1000
1000 IU orally per day
|
liquid drops
Other Names:
|
Active Comparator: Reference 400
400 IU orally per day
|
liquid drops
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Lean mass
Time Frame: 3 years
|
Whole body lean mass
|
3 years
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
25(OH)D
Time Frame: 3 years
|
Concentration of serum 25(OH)D
|
3 years
|
Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Hope Weiler, PhD., McGill University
Publications and helpful links
General Publications
- Weiler HA, Attar A, Farahnak Z, Sotunde OF, Razaghi M, Gharibeh N, Khamessan A, Vanstone CA. Vitamin D Status of Infants of Mothers with Gestational Diabetes: Status at Birth and a Randomized Controlled Trial of Vitamin D Supplementation across Infancy. J Nutr. 2022 Sep 23;152(11):2441-50. doi: 10.1093/jn/nxac194. Online ahead of print.
- Razaghi M, Gharibeh N, Vanstone CA, Sotunde OF, Khamessan A, Wei SQ, McNally D, Rauch F, Jones G, Kimmins S, Weiler HA. Correction of neonatal vitamin D status using 1000 IU vitamin D/d increased lean body mass by 12 months of age compared with 400 IU/d: a randomized controlled trial. Am J Clin Nutr. 2022 Jun 7;115(6):1612-1625. doi: 10.1093/ajcn/nqab431.
- Weiler HA, Vanstone CA, Razaghi M, Gharibeh N, Patel S, Wei SQ, McNally D. Disparities in Vitamin D Status of Newborn Infants from a Diverse Sociodemographic Population in Montreal, Canada. J Nutr. 2022 Jan 11;152(1):255-268. doi: 10.1093/jn/nxab344.
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
- Glucose Metabolism Disorders
- Metabolic Diseases
- Endocrine System Diseases
- Diabetes Mellitus
- Nutrition Disorders
- Avitaminosis
- Deficiency Diseases
- Malnutrition
- Pregnancy Complications
- Vitamin D Deficiency
- Diabetes, Gestational
- Physiological Effects of Drugs
- Micronutrients
- Vitamins
- Bone Density Conservation Agents
- Calcium-Regulating Hormones and Agents
- Vitamin D
- Cholecalciferol
Other Study ID Numbers
- HW-15-01
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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