Clinical trials: Cholecalciferol
Menopause, Osteopenia
Third Year Evaluation on Genistein Efficacy and Safety
BACKGROUND: Recent evidences showed that the phytoestrogen genistein positively affects bone metabolism with no clinically significant adverse effects in a cohort of osteopenic, postmenopausal women.
- Trial name
- NCT00626769
- Testing
- aglycone genistein
- Volunteers
- 138 people
- Sponsor
- University of Messina
Osteoporosis
To Evaluate the Efficacy and the Safety of Monthly Versus Weekly Oral Risedronate With Vitamin D in Compliance, Improvement of Vitamin D and BMD in Korean Postmenopausal Osteoporotic Women
The purpose of this study is to evaluate the Efficacy and the Safety of Monthly(RisenexM group) versus Weekly Oral risedronate(Risenexsplus group) in Korean postmenopausal osteoporotic women(Phase IV)
- Trial name
- NCT01904110
- Testing
- Risedronate/Cholecalciferol combination(montly), Risedronate/Cholecalciferol combination(weekly)
- Where
- South Korea
- Volunteers
- 196 people
- Sponsor
- Hanlim Pharm. Co., Ltd.
Healthy
Assessment of the Efficacy of Vitamin D-fortified Bread in Healthy Adults
The aim of this study is to evaluate the efficacy of daily intake of fortified bread with vitamin D on serum 25-hydroxyvitamin D level, glycemic and lipidemic status in healthy subjects compared to vitamin D supplement.
- Trial name
- NCT02516254
- Testing
- fortified bread, supplement
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- National Nutrition and Food Technology Institute
Vitamin D Deficiency
The Effect of Oral Vitamin D Versus Narrow-Band UV-B Exposure on the Lipid Profile
Participants in this study will be randomized to receive either oral vitamin D pills OR ultraviolet light treatment. The investigators will compare how these two methods of raising vitamin D levels will affect cholesterol levels.
- Trial name
- NCT01688102
- Testing
- Oral Vitamin D3, Ultraviolet Light
- Where
- United States
- Volunteers
- 118 people, healthy volunteers welcome
- Sponsor
- Rockefeller University
COVID-19 Respiratory Infection
COVID-19 Morbidity in Healthcare Workers and Vitamin D Supplementation
[Aim] Purpose of the study: to analyze the effect of vitamin D supplementation in reducing COVID-19 morbidity and severity in healthcare workers. The study will involve a minimum of 120 medical staff.
- Trial name
- NCT05037253
- Testing
- Vitamin D
- Where
- Russia
- Volunteers
- 128 people
- Sponsor
- Federal State Budgetary Institution, V. A. Almazov Federal North-West Medical Research Centre, of the Ministry of Health
COVID-19
Effectiveness and Safety of Two Vitamin D3 Supplementation Regimens in Adults with Early-stage COVID-19
This study aimed to determine the effectiveness and safety of individualized vitamin D3 supplementation in adult patients with early-stage severe COVID-19.
- Trial name
- VDCOVID19ACUTE (NCT06585995)
- Testing
- vitamin D (cholecalciferol) supplementation
- Where
- Mexico
- Volunteers
- 216 people
- Sponsor
- Escuela Militar de Graduados de Sanidad, SEDENA
Vitamin D, Spinal Fusion
The Effect of Oral Vitamin D Supplements on Fusion Outcome in Patients Receiving Elective Lumbar Spinal Fusion
The process of bony fusion is a dynamic bone remodeling process and a variety of risk factors have been identified to contribute to pseudoarthrosis.Vitamin D deficiency has been reported to be associated with more…
- Conditions
- Vitamin D, Spinal Fusion, Lumbar Spine Disease
- Trial name
- NCT05023122
- Testing
- vitamin D3, calcium
- Where
- Taiwan
- Volunteers
- 34 people
- Sponsor
- Show Chwan Memorial Hospital
Vitamin D Deficiency
The Effect of Vitamin D Supplements on Vitamin D Status, Cardiometabolic Health and Immune Defense in Danish Children
The main purpose of this study is to investigate whether and in which doses vitamin D intake is needed in order to maintain an adequate vitamin D status in 4-8 year-old Danish children during wintertime.
- Trial name
- ODIN Junior (NCT02145195)
- Testing
- Vitamin D3 (cholecalciferol)
- Where
- Denmark
- Volunteers
- 130 people, healthy volunteers welcome
- Sponsor
- University of Copenhagen
Pancreatitis, Chronic
Prospective Study of Efficacy of Intra-muscular Vitamin D3 in Tropical Calcific Pancreatitis
The purpose of this study is to determine the efficacy of 2 different doses of intramuscular (IM) vitamin D3 as compared to an oral replacement dose in normalizing vitamin D levels in the blood of patients with tropical calcific…
- Trial name
- NCT00956839
- Testing
- Vitamin D3 (Cholecalciferol)
- Where
- India
- Volunteers
- 40 people
- Sponsor
- Sanjay Gandhi Postgraduate Institute of Medical Sciences
CKD Stage 3, CKD Stage 4
Pharmacokinetics, Pharmacodynamics, Safety and Tolerability Evaluation of CTAP101 Extended-release Capsules in Pediatric Participants
The goal of this clinical trial is to evaluate safety, tolerability, and how CTAP101 Capsules work to treat Pediatric Participants with Secondary Hyperparathyroidism, Stage 3 or 4 Chronic Kidney Disease and Vitamin D…
- Conditions
- CKD Stage 3, CKD Stage 4, Secondary Hyperparathyroidism, VDI
- Trial name
- NCT07494045
- Testing
- CTAP101
- Where
- 5 sites in United States
- Volunteers
- 40 people
- Sponsor
- OPKO Health, Inc.
Osteopenia, Osteoporosis
A Study of Changes in Bone Mineral Density as a Function of Consuming Two Different Forms of Calcium Carbonate
The purpose of this study is to determine whether consuming calcium carbonate that has been micronized is more effective than the traditional form of calcium carbonate in maintaining or increasing bone mineral density in people…
- Trial name
- NCT01857154
- Testing
- Micronized Calcium Carbonate, Non-Micronized Calcium Carbonate, Vitamin D3
- Where
- United States
- Volunteers
- 160 people, healthy volunteers welcome
- Sponsor
- Integrative Health Technologies, Inc.
Anorexia Nervosa
Effects of Anorexia Nervosa on Peak Bone Mass
Teenage girls with anorexia nervosa (AN) are at risk for low bone density and low rates of bone accrual, raising concerns regarding acquisition of peak bone mass, an important determinant of future bone health and fracture risk.
- Trial name
- NCT01301183
- Testing
- RhIGF-1 with transdermal 17-beta estradiol
- Where
- United States
- Volunteers
- 75 people, healthy volunteers welcome
- Sponsor
- Massachusetts General Hospital
Systemic Lupus Erythematosus
The Effect of Calcitriol on Progress and Activity of Lupus Nephritis
The purpose of this study is to determine whether calcitriol is effective in the treatment of lupus nephritis.
- Trial name
- NCT01863641
- Testing
- calcitriol
- Where
- Iran
- Volunteers
- 50 people
- Sponsor
- Guilan University of Medical Sciences
Mild Cognitive Impairment
Effect of Vitamin D and Folic Acid on Mild Cognitive Impairment
The purpose of this study is to investigate the effects of Vitamin D3 combined with Folic Acid on mild cognitive impairment (MCI).
- Trial name
- NCT07486141
- Testing
- Vitamin D3 (800 IU/d) and Folic Acid(0.4mg/d), Vitamin D3 (1600 IU/d) and Folic Acid(0.4mg/d)
- Where
- China
- Volunteers
- 380 people
- Sponsor
- Capital Medical University
Chronic Obstructive Pulmonary Disease, Muscle Weakness
Cholecalciferol Supplementation in Strengthening Inspiratory Muscles in Cholecalciferol-Deficient Patients With Chronic Obstructive Pulmonary Disease
This phase IIb randomized trial studies how well cholecalciferol (vitamin D3) supplementation works in strengthening inspiratory muscles in cholecalciferol-deficient patients with chronic obstructive pulmonary disease (COPD).
- Trial name
- NCT02877641
- Testing
- Cholecalciferol, Laboratory Biomarker Analysis, Multivitamin
- Where
- United States
- Volunteers
- 4 people
- Sponsor
- Roswell Park Cancer Institute
Vitamin D Deficiency
Personalized Vitamin D Supplementation in European and African Americans
The proposed study is a randomized, double-blind, controlled, multi-center clinical trial of six months of daily oral vitamin D3 (cholecalciferol).
- Trial name
- NCT02362269
- Testing
- Vitamin D
- Where
- 2 sites in United States
- Volunteers
- 169 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison
Polycystic Ovary Syndrome, Vitamin D Deficiency
Vitamin D Increases Serum Levels of the Soluble Receptor for Advanced Glycation End Products in Women With PCOS
The purpose of this study is to investigate the mechanism that explain the beneficial clinical effect of vitamin D treatment in women with PCOS.
- Trial name
- NCT03644212
- Testing
- Vitamin D3
- Where
- United States
- Volunteers
- 79 people, healthy volunteers welcome
- Sponsor
- Maimonides Medical Center
Chronic Kidney Disease, Kidney Transplantation
Pilot Study Evaluating Doxercalciferol Replacement Therapy in Kidney Transplant Recipients
People with kidney transplants often develop bone disease. One reason for bone disease may be overactivity of a gland in the neck called the parathyroid gland.
- Trial name
- NCT00889629
- Testing
- Doxercalciferol, 25-OH Vitamin D3
- Where
- United States
- Volunteers
- 39 people
- Sponsor
- Mariana Markell
Osteoporosis Postmenopausal
Efficacy and Safety Study of Fosamax Plus D in Postmenopausal Women With Osteoporosis (0217A-263)
To demonstrate the efficacy/safety of Fosamax Plus D
- Trial name
- NCT00729651
- Testing
- alendronate sodium (+) cholecalciferol, Comparator: Alendronate sodium (Fosamax), Comparator: Calcium
- Volunteers
- 343 people
- Sponsor
- Organon and Co
Menstrual Cramps, Women's Health
A Study to Assess the Effect of My Happy Flo on Alleviating Period Symptoms and Heavy Flows.
This clinical study aims to evaluate the effectiveness of My Happy Flo, a dietary supplement, in alleviating period symptoms and heavy menstrual flows.
- Conditions
- Menstrual Cramps, Women's Health, Fatigue
- Trial name
- NCT06522672
- Testing
- My Happy Flo
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- My Happy Flo
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