Eligibility Module
The Eligibility Module contains detailed information about who can participate in the clinical trial. This includes eligibility criteria, age restrictions, gender requirements, healthy volunteer status, and study population descriptions, helping researchers understand who is eligible to participate in the study.
Eligibility Module path is as follows:
Study -> Protocol Section -> Eligibility Module
Eligibility Module
Ignite Creation Date:
2025-12-24 @ 7:36 PM
Ignite Modification Date:
2025-12-24 @ 7:36 PM
NCT ID:
NCT04885803
Eligibility Criteria:
Inclusion Criteria:
* Adults, ages 18-70 years old
* Either male or female
* Taking less than 2,000 IU of vitamin D daily as a supplement during the 30 days before starting the study
* Ability to swallow a pill of typical size or a liquid less than 1 mL daily for 30 days
* Ability to speak, read, and understand English
* Access to smart phone or smart device with internet access for study-related communications
* Ability to do 3 at-home vitamin D finger prick blood tests on 3 separate days. The kits and supplies will be given to you.
* Ability to drop off finished blood tests at a UPS store or UPS drop box, or schedule a UPS pickup at your home, on each of the same days as you do the blood tests
Exclusion Criteria:
* Females who are pregnant
* Taking, on average, more than 2,000 IU of vitamin D daily within 30 days before the study
* Currently have COVID-19 infection
* History of COVID-19 infection or positive COVID-19 test in last 60 days
* People with a diagnosis of Cystic Fibrosis
* People with a diagnosis of Crohn's Disease
* People diagnosed with Celiac Disease
* People with known diagnosis or history of any kidney related disease Including, but not limited to: Chronic kidney disease; End stage renal disease; Polycystic kidney disease; Lupus nephritis; Kidney cancer, Alport syndrome; Amyloidosis; Goodpasture syndrome; and Wegener's granulomatosis
* People with known diagnosis or history of any liver related disease Including, but not limited to: Hepatitis A; Hepatitis B; Hepatitis C; Fatty liver disease; Cirrhosis of the liver; Liver cancer; Hemochromatosis; Wilson disease
Healthy Volunteers:
True
Sex:
ALL
Minimum Age:
18 Years
Maximum Age:
70 Years
Study:
NCT04885803
Study Brief:
Protocol Section:
NCT04885803