There are currently 8 active clinical trials seeking participants for Vitamin D Deficiency research studies. The states with the highest number of trials for Vitamin D Deficiency participants are California, Massachusetts, New York and Wisconsin.
ViDES Trial (Vitamin D Extra Supplementation)
NCT05459298
Recruiting
The objective of the study is to compare supplementation with vitamin D at 800 IU/day to usual care for the first 28 days after birth with respect to 25 (OH) vitamin D levels and indicators of likely or plausible effects of vitamin D supplementation on the function or structure of the lung, bones, immune system, and brain in extremely premature (EP) infants who are \<28 weeks gestational age (GA) or \<1000 grams of birth weight (BW). The study results will be analyzed as intention to treat Bayes... Read More
Gender:
ALL
Ages:
Between 24 hours and 96 hours
Trial Updated:
12/04/2024
Locations: The University of Texas Health Science Center at Houston, Houston, Texas
Conditions: Vitamin D Deficiency
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Vitamin D Deficiency in Adults Following a Major Burn Injury
NCT05084248
Recruiting
This is a single site double blind randomized controlled trial of replacing Vitamin D for Vitamin D-deficient burn patients at a current recommended dose (400 IU daily) versus a higher dose (4000 IU daily). Capsules will be made in a compounding pharmacy and will look identical. Randomized controlled trial. People who meet the selection criteria will be randomized to either low or high dosage of Vitamin D. Treatment arm is high dose Vitamin D (4000 IU), and control is low dose Vitamin D (400 IU... Read More
Gender:
ALL
Ages:
18 years and above
Trial Updated:
10/15/2024
Locations: Parkland Health and Hospital Systems, Dallas, Texas
Conditions: Vitamin D Deficiency, Burns
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High Dose Interval Vitamin D Supplementation in Patients With Inflammatory Bowel Disease Receiving Biologic Therapy
NCT04331639
Recruiting
The investigators will be administering oral high dose interval vitamin D, concurrently when participants are receiving biologic therapy for their inflammatory bowel disease. The investigators will be collecting some additional bloodwork and questionnaires at the time of participants infusions.
Gender:
ALL
Ages:
Between 5 years and 25 years
Trial Updated:
08/19/2024
Locations: Boston Children's Hospital, Boston, Massachusetts
Conditions: Inflammatory Bowel Disease, Crohn Disease, Ulcerative Colitis, Vitamin D Deficiency
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Vitamin D and Immune Mechanisms of Hypertension in Type 2 Diabetics
NCT03348280
Recruiting
This trial will evaluate whether a particular type of circulating white blood cell, monocytes, from type 2 diabetics with high blood pressure and vitamin D deficiency vs. sufficiency will induce hormones that increase blood pressure.
Gender:
ALL
Ages:
Between 25 years and 80 years
Trial Updated:
07/23/2024
Locations: Barnes-Jewish & Washington University Diabetes Center, Saint Louis, Missouri +1 locations
Conditions: Diabetes Mellitus, Type 2, Hypertension, Vitamin D Deficiency
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Impact of Vitamin D Supplementation on the Rate of Pathologic Complete Response in Vitamin D Deficient Patients
NCT04677816
Recruiting
A two arm pilot study investigating the rate of pathologic complete response in patients with vitamin D deficiency and triple negative breast cancer undergoing standard neoadjuvant chemotherapy + vitamin D supplementation, including an observational arm to describe response in patients who are not deficient. Investigators hypothesize that vitamin D supplementation during neoadjuvant chemotherapy in operable triple negative breast cancer patients with vitamin D deficiency, will increase the rate... Read More
Gender:
All
Ages:
18 years and above
Trial Updated:
05/16/2024
Locations: Wake Forest Baptist Health Sciences, Winston-Salem, North Carolina
Conditions: Triple Negative Breast Cancer, Vitamin D Deficiency, Invasive Breast Cancer
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Randomized Trial of Enteral Vitamin D Supplementation in Infants < 28 Weeks Gestational Age or <1000 Grams Birth Weight
NCT05694689
Recruiting
The objective of the study is to compare supplementation with vitamin D at 800 IU/day to usual care for the first 28 days after birth with respect to 25 (OH) vitamin D levels and indicators of likely or plausible effects of vitamin D supplementation on the function or structure of the lung, bones, immune system, and brain in extremely premature (EP) infants who are <28 weeks gestational age (GA) or <1000 grams of birth weight (BW). The study results will be analyzed as intention to treat Bayesia... Read More
Gender:
All
Ages:
Between 24 hours and 96 hours
Trial Updated:
05/07/2024
Locations: The University of Texas Medical Branch, Galveston, Texas
Conditions: Vitamin D Deficiency
Register for Updates
Vitamin D Sulfates in Breastmilk
NCT06203041
Recruiting
Infants The purpose of this study is to measure breastmilk's vitamin D sulfate nutritional value in infant's saliva and digesta (gut). Breastfeeding Mothers The purpose of this study is to measure Vitamin D sulfates in freshly expressed breastmilk samples before and after 28 days of Vitamin D supplementation in lactating mothers.
Gender:
All
Ages:
Between 1 month and 60 years
Trial Updated:
02/03/2024
Locations: Mayo Clinic Rochester, Rochester, Minnesota
Conditions: Vitamin D Deficiency, Breast Milk Collection
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Effect of Vitamin D Status and Repletion on Postoperative Total Joint Arthroplasty Complications
NCT04229368
Recruiting
Vitamin D status has been shown to have an effect on post-operative outcomes in total joint arthroplasty. The goal of this study is to determine if pre-operative supplementation and correction of Vitamin D deficiency can reduce postoperative complications.
Gender:
All
Ages:
18 years and above
Trial Updated:
08/14/2023
Locations: Brigham and Women's Hospital, Boston, Massachusetts
Conditions: Hip Arthropathy, Knee Arthropathy, Vitamin D Deficiency
Register for Updates