Clinical trials: Deficiency, Vitamin D
Hemodialysis Complication, Vitamin D Deficiency
Cholecalciferol on Hemodialysis Patients
Screening the prevalence of vitamin D deficiency among Egyptian hemodialysis patients on a single center (Ain Shams University hospital).
- Conditions
- Hemodialysis Complication, Vitamin D Deficiency, Vascular Calcification
- Trial name
- NCT03602430
- Testing
- Cholecalciferol
- Where
- Egypt
- Volunteers
- 60 people
- Sponsor
- Ain Shams University
Preterm Birth, Preterm Labor
Correlation Between Maternal Vitamin D Level And Preterm Birth
Assessment of correlation between vitamin D level and prevalence of preterm births remains limited. The exact role of vitamin D in preterm birth has not yet been clearly defined ,where some studies showed vitamin D deficiency…
- Conditions
- Preterm Birth, Preterm Labor, Vitamin D Deficiency
- Trial name
- NCT03638037
- Testing
- Vitamin D measurement
- Where
- Egypt
- Volunteers
- 138 people
- Sponsor
- Ain Shams Maternity Hospital
Obesity, Vitamin D Deficiency
Vitamin D Supplementation in Psychiatric Illnesses
Children and adolescents with psychiatric illnesses who are treated with medications called second generation antipsychotic agents (SGA) often gain excessive weight during their treatment with these medications.
- Conditions
- Obesity, Vitamin D Deficiency, Psychosis, Schizophrenia
- Trial name
- VDSS (NCT01004354)
- Testing
- Ergocalciferols
- Where
- United States
- Volunteers
- 12 people
- Sponsor
- University of Massachusetts, Worcester
Obesity (Disorder), Obesity
Effect of Vitamin D on Body Composition and Functionality of Older Adults
Older adults with obesity often experience a gradual loss of muscle mass and muscle strength, a condition sometimes described as sarcopenic obesity.
- Conditions
- Obesity (Disorder), Obesity, Sarcopenia, Sarcopenia in Elderly
- Trial name
- NCT07275177
- Testing
- Vitamin D
- Where
- Mexico
- Volunteers
- 29 people
- Sponsor
- Universidad Autónoma Benito Juárez de Oaxaca
Hemodialysis Complication, Shoulder Joint Disorder
The Effect of Baduanjin on Shoulder Function in Maintenance Hemodialysis Patients
The aim of this study is to examine the effect of 18-month Baduanjin exercise on shoulder joint function in maintenance hemodialysis (MHD) patients.
- Conditions
- Hemodialysis Complication, Shoulder Joint Disorder, CKD-MBD
- Trial name
- NCT06314321
- Testing
- Baduanjin exercise
- Where
- China
- Volunteers
- 60 people
- Sponsor
- Affiliated Hospital of Nantong University
Vitamin D Deficiency, Scleroderma, Systemic
Immunomodulating Effects of Supplementation With 25-OH Vitamin D
Introduction. The thickening fibrotic of the skin in systemic sclerosis (SSc) could reduce endogenous availability of Vitamin D by sun exposition.
- Trial name
- SCLERODERMA (NCT04822038)
- Testing
- Vitamin D3, Dietary recommendations
- Where
- Mexico
- Volunteers
- 49 people, healthy volunteers welcome
- Sponsor
- Coordinación de Investigación en Salud, Mexico
Renal Osteodystrophy
Systematic Study of Parameters of Chronic Kidney Disease Mineral and Bone Disorder (CKD-MBD)
Bone and mineral disease is a key problem in patients with kidney disease. The available clinical parameters are non-specific, unproven for the assessment of the bone metabolism and do not reflect the complexity and diversity of…
- Trial name
- BoneX (NCT02556216)
- Where
- Germany
- Volunteers
- 100 people
- Sponsor
- Hannover Medical School
Vitamin D Deficiency, Osteopenia
Monitored vs Standard Supplementation of Vitamin D in Preterm Infants
The purpose of this study is to determine wheather the monitored vitamin D (vit D) therapy is safer and more effective than standard therapy in pretrem infants.
- Conditions
- Vitamin D Deficiency, Osteopenia, Nephrolithiasis, Drug Overdose
- Trial name
- MOSVID (NCT03087149)
- Testing
- monitored vit D supplementation, standard vit D supplementation
- Where
- Poland
- Volunteers
- 109 people
- Sponsor
- Princess Anna Mazowiecka Hospital, Warsaw, Poland
Vitamin D Deficiency
Improving the Understanding of the Response to Vitamin D Supplementation
It is the investigators hypothesis that the current method of evaluating vitamin D status, measuring circulating 25-hydroxy vitamin D is not providing the full metabolic picture, and is therefore inadequate.
- Trial name
- NCT01465178
- Testing
- cholecalciferol
- Where
- United States
- Volunteers
- 62 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison
Overweight and Obesity, Overweight Adolescents
Efficacy of Oral Vitamin D Supplementation in Adolescents and Young Adults.
This study assesses whether oral supplementation with vitamin D contributes to the reduction of body mass index and lipid profile in adolescents and young adults.
- Conditions
- Overweight and Obesity, Overweight Adolescents, Vitamin D Deficiency
- Trial name
- SIMBAIII (NCT04377386)
- Testing
- 1000 IU D vitamin, 200 IU D vitamin
- Where
- Colombia
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Fundación Cardiovascular de Colombia
Vitamin D Deficiency
The Genetic Effects on Vitamin D Supplementation
Vitamin D is essential for skeletal growth and bone health, deficiency causes rickets and osteomalacia. In the UK 29% of adults have vitamin D deficiency. It is recommended all adults take 10µg vitamin D supplement daily.
- Trial name
- NCT05802433
- Testing
- Vitamin D3 supplement
- Where
- United Kingdom
- Volunteers
- 67 people, healthy volunteers welcome
- Sponsor
- St. Mary's University, Twickenham
Pituitary ACTH Hypersecretion, Acromegaly
Vitamin D Metabolism in Patients With Endocrine Disorders
This prospective controlled interventional study aims to reveal the diversity of vitamin D metabolism in patients with certain endocrine disorders (Cushing's disease, acromegaly, primary hyperparathyroidism, diabetes mellitus…
- Conditions
- Pituitary ACTH Hypersecretion, Acromegaly, Diabetes Mellitus, Type 1, Primary Hyperparathyroidism
- Trial name
- NCT04844164
- Testing
- Cholecalciferol 15000 UNT/ML Oral Solution
- Where
- Russia
- Volunteers
- 261 people, healthy volunteers welcome
- Sponsor
- Endocrinology Research Centre, Moscow
Chronic Obstructive Pulmonary Disease
This Study Include Chronic Obstructive Pulmonary Disease(COPD) Patients . Patients Were Vitamin D Deficient Age Range 40 to 80 Years, Smokers Patients Were Advised to Take Either Placebo or Vitamin D3 . Antioxidant Enzymes Were Assessed at Baseline and at 26th Weeks.
Vitamin D3 supplementation dose not increase plasma antioxidant enzymes level in COPD patients was the null hypothesis of the research.
- Trial name
- BSMMU (NCT04011930)
- Testing
- cholecalciferol
- Where
- Bangladesh
- Volunteers
- 40 people
- Sponsor
- Bangabandhu Sheikh Mujib Medical University, Dhaka, Bangladesh
X-linked Hypophosphatemia
Foot Disorders in X-linked Hypophosphatemia
This study aimed to characterize foot pathologies using X-rays and clinical examination and assess related outcome scores in adolescents and adults with X-linked Hypophophatemia
- Trial name
- NCT06067932
- Testing
- Foot X rays, Clinical examination + scores
- Where
- Austria
- Volunteers
- 28 people
- Sponsor
- Orthopedic Hospital Vienna Speising
Epilepsy
Effect of Vitamin D3 Supplementation on Cardiac Autonomic Nerve Function in Male Epileptic Patients With Hypovitaminosis D
The goal of this clinical trial is to see the effect of vitamin D3 supplementation on cardiac autonomic nerve function in male epileptic patients with hypovitaminosis D that weather vitamin D improves heart rate variability or…
- Trial name
- NCT07085598
- Testing
- Vitamin D
- Where
- Bangladesh
- Volunteers
- 15 people
- Sponsor
- Bangladesh Medical University
Vitamin D Deficiency
Vitamin D and Muscle Strength and Surface (Electromyography) EMG
Vitamin D deficiency is widely prevalent in India. Serum 25(OH)D levels are <20 ng /ml in up to 90% of them. Recently, in a randomized control trial, investigators have shown that dual cholecalciferol and calcium supplementation…
- Trial name
- NCT01190683
- Testing
- Cholecalciferol, Calcium Carbonate, cholecalciferol and calcium carbonate
- Volunteers
- 170 people, healthy volunteers welcome
- Sponsor
- Indian Council of Medical Research
Chronic Kidney Disease, Renal Osteodystrophy
Serum Sclerostin Levels, Cardiovascular Parameters and Carpal Tunnel Syndrome in Maintenance Hemodialysis Patients
Sclerostin, the product of the SOST gene, located on chromosome 17, locus q11.2 in humans, was originally believed to be a non-classical Bone morphogenetic protein (BMP) antagonist.Sclerostin was recently identified as a…
- Conditions
- Chronic Kidney Disease, Renal Osteodystrophy, Left Ventricular Hypertrophy
- Trial name
- NCT01382966
- Where
- Turkey (Türkiye)
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- RFM Renal Treatment Services
Vitamin D Status
Hypovitaminosis D Prediction Score
Vitamin D has effects on many tissues, and hypovitaminosis D is frequent. In a French survey conducted among 1587 adults, vitamin D insufficiency (<30ng/ml) has been reported in 80% of subjects, including 43% with moderate…
- Trial name
- SCOPYD (NCT02822651)
- Testing
- Blood sampling, self-administered questionnaire
- Where
- France
- Volunteers
- 2,592 people, healthy volunteers welcome
- Sponsor
- Hospices Civils de Lyon
Breast Cancer, Endocrine Therapy
Relationship Between Body Composition, Food Consumption, and Micro and Macronutrients With Gene Expression in Breast Cancer
The protocol involves measurement of 25 hidroxy vitamin D, gene expression of cytochrome and vitamin D receptor , endoxifen, tamoxifen, exemestane, and other metobolites related to nutrition and endocrine metabolism.
- Conditions
- Breast Cancer, Endocrine Therapy, Endocrine Therapy Adverse Reaction, Vitamin D Deficiency
- Trial name
- NUTRIBREAST (NCT04389424)
- Testing
- Tamoxifen, Exemestane, Anastrozole
- Where
- Mexico
- Volunteers
- 300 people
- Sponsor
- Instituto Jalisciense de Cancerologia
Diabetes Mellitus Type 2, Hypovitaminosis D
Diabetes Intervention Trial With Vitamin D in Subjects of Nordic and Sub-Indian Ethnicity
The aim of this 6 months study is to evaluate the metabolic effects of 400.000-600.000 IU of vitamin D supplementation in subjects with type 2 diabetes and hypovitaminosis D.
- Trial name
- DIVINE (NCT00992797)
- Testing
- Cholecalciferol, Orange juice
- Where
- Norway
- Volunteers
- 60 people
- Sponsor
- University Hospital, Aker
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