Comparison of Bioavailability of Liposomal and Traditional Formulation of Vitamin D3
1 other identifier
interventional
27
1 country
1
Brief Summary
The aim of the study was to compare the profiles of 25-hydroxyvitamin D serum concentration in healthy adults after 4 weeks of using vitamin D supplementation either in a liposomal or a traditional formulation.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at below P25 for not_applicable
Started Feb 2023
Shorter than P25 for not_applicable
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
February 17, 2023
CompletedPrimary Completion
Last participant's last visit for primary outcome
June 6, 2023
CompletedStudy Completion
Last participant's last visit for all outcomes
June 6, 2023
CompletedFirst Submitted
Initial submission to the registry
August 21, 2023
CompletedFirst Posted
Study publicly available on registry
August 24, 2023
CompletedAugust 25, 2023
August 1, 2023
4 months
August 21, 2023
August 24, 2023
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Level of 25-hydroxycholecalciferol
Comparison of the level of 25(OH)D3 achieved in the blood
Baseline, 2 weeks, 4 weeks
Study Arms (2)
Liposomal Vitamin D
EXPERIMENTALDaily oral dose of liposomal vitamin D for 4 weeks
Traditional Vitamin D
ACTIVE COMPARATORDaily oral dose of traditional vitamin D for 4 weeks
Interventions
2000 IU of cholecalciferol in liposomal formulation
2000 IU of cholecalciferol in traditional formulation
Eligibility Criteria
You may qualify if:
- Women and men, 18-60 years old.
- Signed informed consent.
- No injuries or hospitalizations within the last 3 months.
- No vitamin D supplementation for the 2 months prior to the study initiation.
- Refraining for the period of the clinical trial from consuming foods additionally fortified with vitamin D and dietary supplements containing vitamin D
- Refraining for the period of the clinical trial from the use of cosmetic therapies that use prolonged body illumination
You may not qualify if:
- Unwilling to give consent
- Injuries within the last 3 months
- Obesity, BMI above 30
- Bariatric surgery
- Cystic fibrosis, celiac disease, Crohn's disease
- Metabolic diseases
- Drugs reducing cholesterol absorption, thiazide diuretics, glucocorticosteroids, anticonvulsants, calcium-containing preparations,
- Planned prolonged exposure to sunlight during the study period
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Gdański Uniwersytet Medyczny
Gdansk, 80-211, Poland
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- DOUBLE
- Who Masked
- PARTICIPANT, INVESTIGATOR
- Purpose
- OTHER
- Intervention Model
- CROSSOVER
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
August 21, 2023
First Posted
August 24, 2023
Study Start
February 17, 2023
Primary Completion
June 6, 2023
Study Completion
June 6, 2023
Last Updated
August 25, 2023
Record last verified: 2023-08
Data Sharing
- IPD Sharing
- Will not share