Clinical Study on the Bioequivalence of Vitamin D in Healthy Adults
A Randomized, Examiner-blind Comparator-controlled Crossover Bioequivalence Study on Vitamin D in Healthy Adults
1 other identifier
interventional
9
1 country
1
Brief Summary
The objective of this clinical study is to evaluate and compare the bioequivalence between a single oral dose of vitamin D3 gummy vitamin versus vitamin D3 tablet in healthy adults.
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 Dec 2016
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
December 26, 2016
CompletedPrimary Completion
Last participant's last visit for primary outcome
March 27, 2017
CompletedStudy Completion
Last participant's last visit for all outcomes
March 27, 2017
CompletedFirst Submitted
Initial submission to the registry
May 2, 2018
CompletedFirst Posted
Study publicly available on registry
June 12, 2018
CompletedJune 12, 2018
June 1, 2018
3 months
May 2, 2018
June 8, 2018
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Mean Absorption
A comparison of mean absorption of the two vitamin formulations (gummy vs. tablet)
baseline, 3, 6, 10, 24 and 48 hours
Secondary Outcomes (1)
Absorption Rate
0 to 48 hours
Study Arms (2)
Vitafusion Extra Strength Vitamin D3 Gummy
EXPERIMENTALA single oral dose of gummy vitamin D3 to monitor Vitamin D blood levels
Nature Made Vitamin D3 Tablet
ACTIVE COMPARATORA single oral dose of tablet vitamin D3 to monitor Vitamin D blood levels
Interventions
Eligibility Criteria
You may qualify if:
- Females not of childbearing potential (i.e., hysterectomy, oophorectomy, bilateral tubal ligation or postmenopausal) or females of childbearing potential that agree to use a medically approved method of birth control such as hormonal contraceptives, double-barrier, non-hormonal intrauterine devices, non-heterosexual lifestyle or agrees to use contraception if planning on changing to heterosexual partner(s) and/or vasectomy of partner
- BMI 18.5 to 29.9 kg/m2
- Agrees to maintain current level of physical activity throughout the study
- Agrees to wear sunblock of at least SPF 45 during the study and not to have excessive sun exposure (no more than 1 hour without sunblock)
You may not qualify if:
- Women who are pregnant to be determined by UPT (urine pregnancy test), breastfeeding, or planning to become pregnant during the course of the study
- Duodenal ulcer or gastric ulcer, gastritis, hiatus hernia, or GERD within the past 3 months
- Significant gastrointestinal disease, history of malabsorption, or history of irritable bowel syndrome and related disorders
- Unstable medical conditions as determined by the principal investigator
- Clinically significant abnormal laboratory results on CBC or BMP at screening
- Cancer chemotherapy/radiation treatment within the 3 months prior to enrollment
- Metabolic disease
- History of kidney stones
- Use of prescription or over the counter products known to interact with vitamin D within 72 hours of randomization and during the trial such as aspirin and NSAIDs, aluminum, iron and proton pump inhibitors
- Use of acute over the counter medication within 72 hours of test product dosing
- Smokers
- Consumption of more than 2 alcoholic drinks per day
- Drug abuse within the past year
- Use of medicinal marijuana
- Immunocompromised individuals such as individuals that have undergone organ transplantation or individuals diagnosed with human immunodeficiency virus (HIV)
- +10 more criteria
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Church & Dwight Co., Inc.
Princeton, New Jersey, 08543, United States
MeSH Terms
Interventions
Intervention Hierarchy (Ancestors)
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- SINGLE
- Who Masked
- INVESTIGATOR
- Purpose
- OTHER
- Intervention Model
- CROSSOVER
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
May 2, 2018
First Posted
June 12, 2018
Study Start
December 26, 2016
Primary Completion
March 27, 2017
Study Completion
March 27, 2017
Last Updated
June 12, 2018
Record last verified: 2018-06
Data Sharing
- IPD Sharing
- Will not share