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Completed Not applicable Interventional Accepts healthy volunteers

Clinical Study on the Bioequivalence of Vitamin D in Healthy Adults

ClinicalTrials.gov ID: NCT03552666

Public ClinicalTrials.gov record NCT03552666. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Jun 25, 2026, 11:06 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Randomized, Examiner-blind Comparator-controlled Crossover Bioequivalence Study on Vitamin D in Healthy Adults

Study identification

NCT ID
NCT03552666
Recruitment status
Completed
Study type
Interventional
Phase
Not applicable
Lead sponsor
Church & Dwight Company, Inc.
Industry
Enrollment
9 participants

Conditions and interventions

Interventions

  • vitamin D3 Dietary Supplement

Dietary Supplement

Eligibility (public fields only)

Age range
18 Years to 45 Years
Sex
All
Healthy volunteers
Accepts healthy volunteers

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Dec 25, 2016
Primary completion
Mar 26, 2017
Completion
Mar 26, 2017
Last update posted
Jun 11, 2018

2016 – 2017

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
Church & Dwight Co., Inc. Princeton New Jersey 08543

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT03552666, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Jun 11, 2018 · Synced Jun 25, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT03552666 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →