Status:
COMPLETED
DO IT Trial: Vitamin D Outcomes and Interventions In Toddlers
Lead Sponsor:
The Hospital for Sick Children
Collaborating Sponsors:
Mount Sinai Hospital, Canada
Unity Health Toronto
Conditions:
Respiratory Tract Infections
Asthma
Eligibility:
All Genders
1-5 years
Phase:
PHASE3
Brief Summary
Vitamin D can be made in the skin by exposure to sunlight and can be found in certain foods. Vitamin D levels are alarmingly low in many North American children. Several health issues have been linked...
Eligibility Criteria
Inclusion
- Healthy children by parental report
- Have reached their 1st birthday but not past their 6th birthday
- Present to a TARGet Kids! practice for routine primary healthcare prior to viral season (September through November)
- Parents provide informed consent to participate.
Exclusion
- Children with gestational age \< 32 weeks
- Children with chronic illness (except for asthma) on parental report which is known to interfere with vitamin D metabolism and increase the risk of respiratory infection
- Children with a sibling participating in the study to reduce clustering effects.
Key Trial Info
Start Date :
September 1 2011
Trial Type :
INTERVENTIONAL
Allocation :
ACTUAL
End Date :
October 1 2015
Estimated Enrollment :
703 Patients enrolled
Trial Details
Trial ID
NCT01419262
Start Date
September 1 2011
End Date
October 1 2015
Last Update
June 14 2019
Active Locations (2)
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1
St. Michael's Hospital
Toronto, Ontario, Canada, M5B 1W8
2
Hospital for Sick Children
Toronto, Ontario, Canada, M5G 1X8