Clinical trials: Hypovitaminosis
Pregnancy, Vitamin D Deficiency
Trial of Vitamin D Supplements to Raise Calcidiol Levels of Pregnant Women in Mongolia
A double-blind randomized, placebo-controlled trial comparing the impact of 600 IU, 2000 IU, or 4000 IU of Vitamin D3 on third trimester 25(OH)D levels and change from baseline.
- Trial name
- NCT02395081
- Testing
- 600 IU Vitamin D3 in prenatal vitamin, 2000 IU Vitamin D3 in prenatal vitamin, 4000 IU Vitamin D3 in prenatal vitamin
- Where
- Mongolia
- Volunteers
- 360 people, healthy volunteers welcome
- Sponsor
- Brigham and Women's Hospital
Non-Alcoholic Fatty Liver Disease, Fat Soluble Vitamin Deficiencies and Disorders
Study on the Correlation Between Fat Soluble Vitamins and Non-alcoholic Fatty Liver Disease
Excessive or insufficient levels of vitamins in the body can affect health. With the prevalence of obesity and MetS, NAFLD has become the leading cause of chronic liver disease and abnormal liver biochemical indicators in health…
- Trial name
- NCT06512701
- Where
- China
- Volunteers
- 4,000 people, healthy volunteers welcome
- Sponsor
- First Affiliated Hospital of Zhejiang University
Vitamin D Deficiency
Bioavailability of Vitamin D Encapsulated in Casein Micelles, Compared to Its Bioavailability in a Synthetic Emulsifier Currently Used for Supplementation and Enrichment.
Background: Vitamin D3 (VD) is an oil soluble vitamin formed in the skin during exposure to UV light. It is essential for bone and calcium metabolism, insulin reactivity, immune system etc.
- Trial name
- VD (NCT01807845)
- Testing
- enriched skimmilk with VD, Skimmilk enriched with VD wherein the VD will be emulsified using Tween 80
- Where
- Israel
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Rambam Health Care Campus
Vitamin D Deficiency
The Effect of Vitamin D3 Therapy on Vitamin D Status in Pregnant Women With Vitamin D Deficient and Insufficient
This study is a randomized controlled trial which compares the effect of vitamin D3 therapy 5,000 IU daily and 50,000 IU on 25(OH)D and 1,25(OH)2D, VDBP, and 24,25(OH)2D maternal serum levels in pregnant women with vitamin D…
- Trial name
- NCT06054919
- Testing
- Cholecalciferol
- Where
- Indonesia
- Volunteers
- 52 people, healthy volunteers welcome
- Sponsor
- Universitas Indonesia
Vitamin D Deficiency, Cystic Fibrosis
Efficacy of Intensive Cholecalciferol Monitoring and Supplementation on Serum vitD Levels in Pediatric Patients With CF
Cystic fibrosis (CF) is an autosomal recessive disease caused by alterations in the Cystic Fibrosis Transmembrane Conductance Regulator (CFTR) gene, characterized by multisystemic alterations, mainly in the lung, intestine…
- Conditions
- Vitamin D Deficiency, Cystic Fibrosis, Bone Density, Low, Inflammation Chronic
- Trial name
- NCT05276960
- Testing
- Cholecalciferol Pill
- Where
- Mexico
- Volunteers
- 40 people
- Sponsor
- Hospital Infantil de Mexico Federico Gomez
Vitamin D Deficiency, Nasal Polyposis
Effect of Vitamin d Deficiency in Chronic Rhinosinusitis With Nasal Polyposis
Aim of the work 1. To determine if chronic rhinosinusitis with nasal polyps' (CRSwNP) populations are vitamin D deficient. 2. To determine the possible anti-inflammatory effect of vitamin D supplementation (clinically \&…
- Trial name
- NCT04529668
- Testing
- vitamin D supplementation, usual therapy for nasal polyposis
- Where
- Egypt
- Volunteers
- 50 people
- Sponsor
- Ain Shams University
Vitamin A Deficiency, Idiopathic Scoliosis
Effect of Vitamin A Supplementation on Idiopathic Scoliosis
This study aims to investigate whether vitamin A supplementation can influence spinal curve magnitude in idiopathic scoliosis children and potentially prevent its de novo development.
- Trial name
- NCT07335991
- Testing
- Vitamin A, Nutritional Education
- Where
- China
- Volunteers
- 140 people
- Sponsor
- Second Affiliated Hospital of Wenzhou Medical University
Hypophosphatasia (HPP)
Extension Study of Protocol ENB-006-09 - Study of Asfotase Alfa in Children With Hypophosphatasia (HPP)
This clinical trial studies the long term safety and efficacy of asfotase alfa in children with HPP who completed Study ENB-006-09 (NCT00952484).
- Trial name
- NCT01203826
- Testing
- Asfotase Alfa
- Where
- 2 sites in United States, Canada
- Volunteers
- 12 people
- Sponsor
- Alexion Pharmaceuticals, Inc.
Vitamin A Deficiency
Effect of Daily Consumption of Orange Maize on Breast Milk Retinol in Lactating Zambian Women
The purpose of the study is to determine whether daily consumption of beta-carotene biofortified maize will increase breast milk retinol concentration in lactating Zambian women.
- Trial name
- NCT01922713
- Testing
- white maize and a corn oil capsule, orange maize and a corn oil capsule, white maize and a vitamin A capsule
- Where
- Zambia
- Volunteers
- 149 people, healthy volunteers welcome
- Sponsor
- University of California, Davis
Postmenopausal Osteoporosis, Postmenopause
Frequency of Hyperparathyroidism in Postmenopausal Osteoporosis and Its Treatment
Recently, an increase in the prevalence of hyperparathyroidism and hypovitaminosis D in postmenopause women has been occurring in Mexico and the world.
- Conditions
- Postmenopausal Osteoporosis, Postmenopause, Hyperparathyroidism, Secondary, Hypovitaminosis D
- Trial name
- NCT05347082
- Testing
- Cholecalciferol
- Where
- Mexico
- Volunteers
- 47 people
- Sponsor
- Hospital Regional 1o de Octubre
Vitamin D Deficiency
Vitamin D and HIV-Cardiovascular Disease in Children and Young Adults
The relationship of Vitamin D levels in children and young adults to atherosclerosis.
- Trial name
- NCT01410305
- Where
- 2 sites in United States
- Volunteers
- 290 people, healthy volunteers welcome
- Sponsor
- University Hospitals Cleveland Medical Center
Renal Insufficiency, Chronic, Renal Osteodystrophy
Kidney Yin/Yang Replenishment on Patients With Renal Osteodystrophy
Patients with serious chronic renal insufficiency usually develop secondary osteoporosis or bone loss, especially those with chronic dialysis, and the degree of bone loss is corrected with decrease of renal function.
- Trial name
- NCT01665651
- Testing
- Yougui granules, Zuogui granules
- Where
- 3 sites in China
- Volunteers
- healthy volunteers welcome
- Sponsor
- Bing Shu
Chronic Kidney Disease-Mineral and Bone Disorder
Relationship Between Serum 1,25-dihydroxy Vitamin D and Markers of Bone Metabolism in Renal Dysfunction Patients
This cross-sectional study was conducted, including those subjects tested for 1,25(OH)2D during Jan 2015-Dec 2021. Estimated glomerular filtration rate (eGFR) was calculated and subjects were classified into chronic kidney…
- Trial name
- NCT05399251
- Volunteers
- 1,553 people
- Sponsor
- Aga Khan University Hospital, Pakistan
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
Diabetes Mellitus Type 2, Vitamin D Deficiency
Vitamin D Supplementation in Patients With Diabetes Mellitus Type 2
Background and Objectives : The presence of vitamin D deficiency in patients with type 2 diabetes mellitus (T2DM) is associated with an increased risk of cardiovascular disease (CVD).
- Trial name
- DIMENSION (NCT01741181)
- Testing
- Vitamin D supplementation
- Where
- Singapore
- Volunteers
- 64 people
- Sponsor
- Tan Tock Seng Hospital
Vitamin D Deficiency
Reference Interval of Vitamin D of Coastal Fishermen in Cox's Bazar District of Bangladesh
Lack of adequate sun exposure due to urbanization is prone to hypovitaminosis D. Vitamin D (25-hydroxyvitamin D) deficiency is now a major health concern in the western world.
- Trial name
- NCT04986319
- Testing
- Serum vitamin D assay
- Where
- 2 sites in Bangladesh
- Volunteers
- 556 people, healthy volunteers welcome
- Sponsor
- Bangladesh Institute of Research and Rehabilitation in Diabetes, Endocrine and Metabolic Disorders
Overactive Bladder, Vitamin D Deficiency
The Role of Urinary RhoA, NGF, and BDNF Levels in Overactive Bladder and Vitamin D Deficiency
The primary aim of this study is to evaluate the role of three specific urinary proteins-RhoA, Nerve Growth Factor (NGF), and Brain-Derived Neurotrophic Factor (BDNF)-as potential biomarkers for the diagnosis and follow-up of…
- Trial name
- NCT07513363
- Testing
- Urotherapy
- Where
- Turkey (Türkiye)
- Volunteers
- 52 people, healthy volunteers welcome
- Sponsor
- Tarik Emre Sener
Vitamin D Deficiency, End-stage Renal Disease
Impact of Vitamin D Repletion in Hemodialysis Patients
Dialysis patients often suffer from defects in their immune system (that part of the body which fights infection). Evidence suggests that Vitamin D deficiency may have a negative effect on immunity, and many dialysis patients are…
- Trial name
- NCT01175798
- Testing
- Cholecalciferol
- Where
- United States
- Volunteers
- 116 people
- Sponsor
- Mehrotra, Anita, M.D.
X-linked Hypophosphatemia (XLH)
Study to Assess the Safety, Pharmacokinetics and Efficacy of KRN23 in Adult Chinese Patients With XLH
The purpose of this study is to assess the safety, pharmacokinetics and efficacy of KRN23 in adult Chinese patients with XLH
- Trial name
- NCT04842019
- Testing
- KRN23
- Where
- 5 sites in China
- Volunteers
- 18 people
- Sponsor
- Kyowa Kirin Co., Ltd.
Vitamin D Deficiency
Determination of Effective Vitamin D Replacement and Monitoring Strategies in Vitamin D Deficiency State
The purpose of the study is determination of effective vitamin D replacement strategy in vitamin D deficiency states with currently available preparations in Pakistan \& to determine the cost effective monitoring strategy with…
- Trial name
- EVIREST-D (NCT01430793)
- Testing
- Vitamin D3 600,000 units IM, Vitamin D3 600,000 Orally, Vitamin D3 200,000 units IM
- Where
- Pakistan
- Volunteers
- 99 people
- Sponsor
- Aga Khan University
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