Study Vitamin D in Healthy Individuals
Completed
Conditions studied: Vitamin D Deficiency
In brief
To obtain sufficient specimens and correlating clinical data from a well-controlled prospective clinical trial collecting specimens from healthy subjects t on vitamin D assays, and to establish a collection of specimens that will support future assay discovery and validation efforts.
Key facts
- Study ID
- NCT02250625
- Run by
- Fujirebio Diagnostics, Inc.
- People needed
- 482
- Starts
- 2014-05-01
- Expected to finish
- 2015-04-01
- Last updated by the study team
- 2015-05-22
Who can join
Age: any. Sex: any. Healthy volunteers: accepted.
You may qualify if…
- Males and females, age≥ 18 years Able to understand and willing to provide informed consent
You may not qualify if…
- Males and females, age <18 years Current use of dietary supplements (tablet, liquid gel or liquid form only) containing high concentrations, greater than 2,000 IU per day, of vitamin D.
- Has a history of vitamin D deficiency Has a history or current diagnosis of any clinically significant cardiac, respiratory, neurological, immunological, hematological, liver disease, renal disease, gastrointestinal (GI) disorder, including any history of peptic or gastric ulcers or GI bleeding, or any other condition which, in the opinion of the investigator is considered chronic.
- Personal history of seizures Personal history of bariatric surgery Personal history of parathyroid and thyroid disease Pregnancy or lactation Is receiving systemic chemotherapy or radiation treatment, has an active malignancy of any type, or has been diagnosed with cancer within 5 years before screening other than basal or squamous cell skin cancers or in-situ cervical cancer.
- Family history of parathyroid or calcium regulatory disease Medications known to affect absorption e.g. drugs that inhibit cholesterol absorption Medications known to increase catabolism such as anticonvulsants, glucocorticoids, HAART (AIDS treatment) and anti-rejection medications Unable to provide informed consent
Where it is running
- Open Medicine Institute — Mountain View, California, United States
Full record on ClinicalTrials.gov
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