Clinical trials: Cholecalciferol
Dermatologic Disease
Effect of Vitamin D Injection on Hypertrophic Scars and Keloids
Scars and keloids cause patients severe morbidity and psychological distress. Hypertrophic scars rise above the skin but stay within the scar boundaries, while keloids expand.
- Trial name
- NCT06301178
- Testing
- Cholecalciferol
- Where
- Egypt
- Volunteers
- 35 people
- Sponsor
- Mostafa Bahaa
Cardiovascular Diseases, Vitamin D Deficiency
The Effect of Vitamin D Statues on Endothelial Function
In the United States, cardiovascular disease causes over one-third of all deaths and vitamin D deficiency is an epidemic. An increasing body of data suggests that low vitamin D status adversely impacts the cardiovascular system.
- Trial name
- CVD Cookie (NCT01049048)
- Testing
- Vitamin D3
- Where
- United States
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison
Acceleration of Tooth Movement
The Effect of Platelet-rich Fibrin and Vitamin Dꝫ Injections on Canine Retraction
the aim of this study is to assess and compare the effect of PRF and vitamin Dꝫ injection on the rate of canine retraction and to determine the bone thickness changes correlated with the two techniques.
- Trial name
- NCT06071455
- Testing
- Platelet-rich fibrin, Vitamin D3
- Where
- Egypt
- Volunteers
- 14 people
- Sponsor
- Beni-Suef University
Male Prisoner
Monocentric Randomized Study, Assessing the Interests of the Determination of Vitamin D in Prison Population. (Vitamine D)
The study will be proposed to man entering the prison of La Roche sur Yon. Participants will be randomized into two arms: one arm realize a dosage of vitamin D at the entrance and 6 months after the entry and the second arm will…
- Trial name
- NCT02044133
- Testing
- Dosage Vitamine D
- Where
- France
- Volunteers
- 54 people, healthy volunteers welcome
- Sponsor
- Centre Hospitalier Departemental Vendee
Type 2 Diabetes
The Dietary Guidelines 3 Diets Study
The goal of this project is to use a two-stepped study to examine both the adoption of the three dietary patterns as presented by the United States Dietary Guidelines (USDG) and testing of a refined, culturally tailored one-year…
- Trial name
- DG3D (NCT04981847)
- Testing
- Dietary Intervention Meetings
- Where
- United States
- Volunteers
- 63 people, healthy volunteers welcome
- Sponsor
- University of South Carolina
Biomarker Change Linked to Breast Cancer
Changes in Biomarkers Using Prostaglandin Inhibitors
This is a biomarker study with the goal of measuring changes in proteins and gene methylation. This study is not intended for use in diagnosing, mitigating, treating, curing, or preventing disease.
- Trial name
- NCT01769625
- Where
- United States
- Volunteers
- 31 people, healthy volunteers welcome
- Sponsor
- Hartford Hospital
Chronic Kidney Disease (CKD), Secondary Hyperparathyroidism
A Study of PLS240 in Pediatric Participants With Secondary Hyperparathyroidism and Chronic Kidney Disease on Hemodialysis
Approximately 56 participants who are 1 month old to 17 years old will be enrolled in this study. The total duration for this study will be 38 weeks (or up to 42 weeks when participants require a washout period due to prior…
- Trial name
- NCT07890584
- Testing
- PLS240, Standard of Care
- Where
- United States
- Volunteers
- 56 people
- Sponsor
- Pathalys Pharma
Healthy
Pharmacokinetic Study: Effect of 25(OH)D and Vitamin D3 on Serum 25(OH)D
We compare the effect of HyD (25-hydroxyvitamin D) and vitamin D3 in their effect on 25-hydroxyvitamin D plasma levels over a course of 4 month. This is a pharmacokinetic study including 35 postmenopausal women.
- Trial name
- NCT00718276
- Testing
- 25(OH)D, vitamin D3
- Where
- Switzerland
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- University of Zurich
Breast Cancer Prevention, Mammographic Density
RANKL Inhibition and Breast Tissue Biomarkers
A robust knowledge of how to reduce breast density could play a key role in breast cancer prevention in premenopausal women, but viable preventative targets to reduce breast density-associated breast cancer risk are yet to be…
- Trial name
- NCT03629717
- Testing
- Ultrasound-guided core needle biopsy, Denosumab, Blood draw
- Where
- United States
- Volunteers
- 10 people
- Sponsor
- Washington University School of Medicine
Crohns Disease
Vitamin D Treatment for Crohn´s Disease
The purpose of this study is to examine whether vitamin D treatment is effective in Crohn's disease.
- Trial name
- NCT00132184
- Testing
- Vitamin D
- Where
- 4 sites in Denmark
- Volunteers
- 110 people
- Sponsor
- University of Aarhus
Spinal Cord Injury
Oral Colecalciferol Treatment in Spinal Cord Lesion
Low vitamin D is frequently seen in patients with spinal cord injury (SCI) in acute and chronic periods. Among its causes are insufficient sun exposure, limited oral intake, obesity, the effect of the drugs used on the absorption…
- Trial name
- NCT04400747
- Testing
- Vitamin D3
- Where
- Turkey (Türkiye)
- Volunteers
- 60 people
- Sponsor
- Istanbul Physical Medicine Rehabilitation Training and Research Hospital
Dry Eye, Dry Eye Syndromes
Efficacy and Safety Safety of Nutritears® in Adults With Dry Eye Syndrome
This is a prospective, randomized, double-blind, parallel, placebo-controlled, clinical interventional study. The purpose of this study is to evaluate the efficacy and safety of Nutritears®, a dietary supplement of OmniActive…
- Trial name
- NCT05481450
- Testing
- Blink NutriTears
- Where
- 3 sites in United States
- Volunteers
- 131 people, healthy volunteers welcome
- Sponsor
- Applied Science & Performance Institute
Clozapine Resistant Schizophrenia
Vitamin D for Schizophrenia
Background: Despite improvements in medications, treatment delivery and rehabilitation, schizophrenia outcomes remain suboptimal. There are a proportion of 30-40% treatment-resistant schizophrenia patients.
- Trial name
- NCT01759485
- Testing
- Vitamin D3
- Where
- Israel
- Volunteers
- 47 people
- Sponsor
- Geha Mental Health Center
Non.Alcoholic Fatty Liver Disease
Effect on Liver Histology of Vitamin D in Patients With Non-alcoholic Steatohepatitis
Non-alcoholic fatty liver disease (NAFLD) represents a spectrum of disorders characterized by predominantly macrovesicular hepatic steatosis occurring in individuals in the absence of significant alcohol consumption.
- Trial name
- NCT01623024
- Testing
- Vitamin D, Lifestyle counseling
- Where
- Italy
- Volunteers
- 200 people
- Sponsor
- University of Palermo
Reproductive Effects, Pregnancy
Vitamin D and Pregnancy: Camden Study
Vitamin D is present in food either naturally or by fortification and included in nutritional supplements. It is also synthesized photochemically by the skin from ultraviolet B radiation.
- Trial name
- NCT02032459
- Where
- United States
- Volunteers
- 1,141 people, healthy volunteers welcome
- Sponsor
- Rowan University
Urticaria, Angioedema
Vitamin D Levels in Subjects With Chronic Urticaria and Angioedema
The objective of this study is to perform an exploratory analysis to determine if a possible relationship between vitamin D and chronic urticaria and/or angioedema exists.
- Trial name
- NCT00876369
- Where
- United States
- Volunteers
- 50 people
- Sponsor
- University of Nebraska
Iron Deficiency Anemia of Pregnancy
Adiposity and Iron Requirements in Pregnancy
This study aims to explore how body fat influences the response to either 25 or 50 mg of daily iron supplements during pregnancy.
- Trial name
- ADIPREG (NCT06425796)
- Testing
- Adiposity and Iron Requirements in Pregnancy (ADIPREG)
- Where
- 3 sites in United Kingdom
- Volunteers
- 312 people, healthy volunteers welcome
- Sponsor
- University of Ulster
Pregnancy
Serum Vitamin D Levels and Pregnancy Rates in Women Undergoing Elective Frozen Embryo Transfer (eFET)
The aim of this study is determining the affects of serum vitamin D levels to implantation and clinical pregnancy rates in women undergoing elective vitrified/thawed embryo transfer.
- Trial name
- NCT02361710
- Testing
- frozen embryo transfer
- Where
- Turkey (Türkiye)
- Volunteers
- 200 people
- Sponsor
- Bahceci Clinic
Corona Virus Disease 19 (COVID-19)
The Effect of Novel D3 Use as a Mouthwash in COVID-19 Patients
The PI's goal of this [interventional/clinical trial] is to [explore the antiviral properties of vitamin D3 on saliva samples collected before and after the use of a vitamin D3 mouthwash] in [ adult participants, both genders…
- Trial name
- NCT07068282
- Testing
- Cholecalciferol (vitaminD3)
- Where
- Saudi Arabia
- Volunteers
- 25 people
- Sponsor
- King Faisal Specialist Hospital & Research Center
Healthy Volunteers
Effect of Calcium 500 mg and Vitamin D3 1000 IU Chewable Tablet on Intestinal Calcium Absorption
The purpose of this study is to demonstrate that the intestinal absorption of calcium from a novel calcium carbonate-vitamin D3 chewable tablet formulation (calcium 500 milligrams (mg) and vitamin D3 1000 International Units…
- Trial name
- NCT02338713
- Testing
- Calcichew D3, Noncarbonated Water
- Where
- France
- Volunteers
- 27 people, healthy volunteers welcome
- Sponsor
- Takeda
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