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New treatment option for Hypovitaminosis D
Official title Evaluating Response to Vitamin D3 and K2 Supplementation in Healthcare Personnel
ClinicalTrials.gov ID: NCT07199829
What this study is testing
- What it's testing
- The main purpose of this research study is to learn about the effects of supplemental vitamin D3 and vitamin K2 on blood levels and the gut microbial community, called the gut microbiome. There are many influences on blood levels of vitamin D and K to include your dietary intake, lifestyle behaviors (physical activity, sleep), genetic alterations in metabolism of these vitamins, and the gut microbial abundance and diversity.
- You might receive a placebo (an inactive treatment) instead of the study drug.
A plain-language read of the study's public ClinicalTrials.gov listing. The study team confirms the details.
Who can take part
Ages 18 to 69. Healthy volunteers may be eligible.
You may be able to join if
- able to read and understand English
- 25 OHD serum level equal to or less than 30 ng/mL
- willing to discontinue vitamin D3 and/or K2 supplements for 4.5 months
- military beneficiary (Active Duty, Retired, Dependent)
- remaining employed at workplace for 6 months
You likely can't join if
- Diagnosed medical condition that prevents nutrient absorption from food (e.g. Inflammatory Bowel Disease, Celiac Disease, post-Roux-en-Y/Gastric...
- Pregnant or breastfeeding
- Current antibiotic use or within past 3 months
- Current anticoagulant use or within past 3 months
- Current weight loss or fat malabsorption medication use (e.g. Glucagon-Like Peptide 1 agonists, Orlistat)
- Allergies or sensitivities to methylcellulose, vitamin D (D3, D2), or vitamin K (K2, Menaquinone-4, Menaquinone-7)
The study team makes the final eligibility decision.
Where it's taking place
- Tacoma, Washington, United States
Questions & answers
Do participants get paid in this trial?
This listing doesn't specify compensation. Many trials still reimburse travel or offer a stipend, so it's worth asking the study team when you connect.
Is it free to join, and do I need insurance?
Searching and applying through BridgeMD is free. In clinical trials the study-related treatment and visits are generally provided at no cost to you. You usually don't need insurance to take part - confirm specifics with the study team.
How long does this study last?
The listing doesn't state an exact length. The study team walks you through the schedule and number of visits before you decide to enroll.
Who can join this trial?
This study is enrolling all sexes, 18 years to 69 years. Healthy volunteers may be eligible. The study team makes the final eligibility decision.
Where is this trial taking place?
Study sites include Tacoma, Washington, United States. Enter your location above to see the nearest site and check your eligibility.
Explore other conditions
BridgeMD is an information and trial-matching tool - not medical advice, and not the study sponsor. Details come from ClinicalTrials.gov; the study team decides eligibility.