Study of Vitamin D Fortification of Milk and Oil

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Total Enrollment

448 participants

Study Classification

OBSERVATIONAL

Study Start Date

2020-10-13

Study Completion Date

2022-12-31

Brief Summary

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It is a two-year longitudinal effectiveness study. A comparative study with a case-control design. Study will be conducted in Pune city. A total of up to 100 families (50 families per group) will be recruited. The test group will consist of families consuming fortified milk and oil and the control group will consist of families consuming non fortified milk and oil. Individuals between the age 5-18 years, 18-50 years and more than 50 years will be enrolled. Families which intend to stay in the city for the next 2 years, willing to continue with the same brand of milk and oil for the next 2 years, children living with their biological parents and families willing to sign consent form, will be enrolled in the study. Individuals having chronic illnesses likely to affect vitamin D concentrations and those allergic to milk will be excluded.

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Detailed Description

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Study design: A two-year longitudinal effectiveness study Sample selection: Hundred families will be selected for this study, 50 in each group.

For the test group, people/families buying the standardized milk habitually will be identified and offered the study, an ethics approval would be obtained before commencing the study. After a consent is signed, a home visit will be made and family will be given information about the study.

Individuals from families who consume standardized fortified milk + fortified oil will be offered the study. The control group will consist of families consuming unfortified milk and oil. Thus, families habitually consuming unfortified milk and oil (from 'ghanas') will be offered the study.

Conditions

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Healthy Individuals

Study Design

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Observational Model Type

CASE_CONTROL

Study Time Perspective

PROSPECTIVE

Study Groups

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Fortified Arm

Individuals from families who are consume fortified milk + oil

No interventions assigned to this group

Unfortified Arm

families habitually consuming unfortified milk and oil

No interventions assigned to this group

Eligibility Criteria

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Inclusion Criteria

Inclusion Criteria: Age between 5 to 80 years at the time of enrolment, Intention to stay in the city for the next two years, Families willing to continue with same brand of oil and milk for next two years after enrolment, Children living with their biological mothers/parents, Families willing to sign a consent form.

Exclusion Criteria: History of illness involving calcium or bone metabolism, including stones of the urinary tract, Currently taking vitamin D supplements as treatment of any disease, Receiving immunosuppressive therapy (oral corticosteroids, chemotherapy) during the previous year, Known history of lactose intolerance or other contra-indications or a version to milk intake, Known hypercalcemia or hypercalciuria, Diabetes mellitus or past/current history of renal stones, and any known systemic, endocrine or metabolic disorder, Medications known to interact with vitamin D metabolism (steroids, thiazide diuretics, phenytoin, phenobarbitone, and antitubercular drugs), Hypersensitivity or allergy to any of the components used in nonfortified or fortified milk or oil, Any other reason which in the opinion of a Principal Investigator would interfere with the study shall be excluded.

Minimum Eligible Age

5 Years

Maximum Eligible Age

80 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes