Clinical trials: Deficiency, Vitamin D
Vitamin D Deficiency
Efficacy of the Dose Regimen of Oral Vitamin D 50,000 IU in the Treatment of Vitamin D Deficiency
Abstract: The main objective of the proposed study is to examine the Safety and Efficacy Evaluation of the Dose Regimen of Vitamin D 50,000 IU (Biodal) tablet supplementation in the treatment of population with vitamin D…
- Trial name
- NCT02192229
- Testing
- 50.000 IU vitamin D3 (Biodal 50,000 IU)
- Where
- Jordan
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Hayat Pharmaceutical Co. PLC
Vitamin D Deficiency, Osteopenia of Prematurity
The High Initial Dose of Monitored Vitamin D Supplementation in Preterm Infants.
The aim of this study will be to assess the effectiveness of monitored vit D supplementation in a population of preterm infants and to identify whether the proper vit D supplementation in preterm infants can reduce the incidence…
- Conditions
- Vitamin D Deficiency, Osteopenia of Prematurity, Nephrolithiasis, Metabolic Bone Disease
- Trial name
- HIDVID (NCT06199102)
- Testing
- cholecalciferol/ Devikap
- Where
- Poland
- Volunteers
- 130 people
- Sponsor
- Princess Anna Mazowiecka Hospital, Warsaw, Poland
Implant Stability With Vitamin D Deficiency
Stability of Dental Implants Placed in Patients With Vitamin D Deficiency Using Sequential Drilling Versus a New One Single Drilling Design
Vitamin D considers as the most potent effect on calcium level in blood it was found that vitamin D target mainly bone tissue intestine and kidney for calcium absorption In bone, vitamin D stimulates mainly the activity of…
- Trial name
- NCT03695562
- Testing
- sequential drilling technique
- Where
- Egypt
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Cairo University
Vitamin D Deficiency
Familial Clustering of Vitamin D Deficiency Via Shared Environment: The Korean National Health And Nutrition Examination Survey 2008-2012
Vitamin D deficiency is a modifiable risk factor for poor bone health. Familial correlation of serum 25-hydroxyvitamin D concentration (25(OH)D) was reported in twin- or family-based studies, mostly from Caucasian…
- Trial name
- NCT03349879
- Where
- South Korea
- Volunteers
- 28,551 people, healthy volunteers welcome
- Sponsor
- Yonsei University
Vitamin D Deficiency
Vitamin D Supplementation D_SAF Pilot Study
This study is a randomised control trial (RCT) pilot study to determine the appropriate vitamin D dose for the main study. The pilot study includes three matched groups, which will form two vitamin D supplementation groups (at…
- Trial name
- NCT04033796
- Testing
- 25,000 IU, 50,000 IU
- Where
- 2 sites in United Kingdom
- Volunteers
- 532 people, healthy volunteers welcome
- Sponsor
- University of Surrey
X-Linked Hypophosphatemia
Study of Longitudinal Observation for Patient With X-linked Hypophosphatemic Rickets/Osteomalacia in Collaboration With Asian Partners
Through observation of patients with X-linked hypophosphatemic rickets/osteomalacia (XLH) for up to 10 years, the study intends to collect data that allow achievement of the following objectives: 1.
- Trial name
- SUNFLOWER (NCT03745521)
- Testing
- no intervention
- Where
- Japan
- Volunteers
- 226 people
- Sponsor
- Kyowa Kirin Co., Ltd.
Vitamin D Deficiency
The Effect Of Vitamin D On Measures Of Bone Health And Gene Expression
Vitamin D deficiency is now recognized as one of the most common vitamin deficiencies in adults in the United States. Vitamin D deficiency has been connected to many chronic health diseases.
- Trial name
- NCT01696409
- Testing
- 400 IU vitamin D3, 2000 IU vitamin D3
- Where
- United States
- Volunteers
- 11 people, healthy volunteers welcome
- Sponsor
- Boston University
Cancer Cachexia, Vitamin D Deficiency
Vitamin D for Muscle Metabolic Function in Cancer Cachexia
The proposed study is aimed at examining mitochondrial function as a potential target of action of vitamin D on muscle metabolism, size, and strength in preventing the progression of cachexia.
- Trial name
- NCT03144128
- Testing
- Vitamin D
- Where
- United States
- Volunteers
- 1 people
- Sponsor
- David Travis Thomas
Vitamin D Deficiency
Treatment of Vitamin D Insufficiency
The purpose of this study is to answer the following questions: Does vitamin D increase calcium absorption, bone mass and muscle mass and function in women past menopause who have mildly low vitamin D levels? Do these benefits…
- Trial name
- NCT00933244
- Testing
- High Dose Vitamin D3, Low Dose Vitamin D3
- Where
- United States
- Volunteers
- 230 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison
Maxillary Transverse Deficiency Class I Malocclusion Vitamin D Deficiency Orthodontic Tooth Movement Adolescent Health
Effect of Serum Vitamin D on MARPE Treatment Response
A total of 30 patients are planned to be included in the study during the first half of 2025, who will apply to the clinic. In our clinical routine, approximately 30% of RME patients are treated using the MARPE method.
- Trial name
- NCT06943443
- Testing
- Miniscrew-Assisted Rapid Palatal Expansion (MARPE) Treatment
- Where
- Turkey (Türkiye)
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Konya Necmettin Erbakan Üniversitesi
Osteogenesis Imperfecta, Rare Bone Disorders
Morphology in Oral Rare Syndromes & Artificial Intelligence for Clinical Diagnosis
MOSAIC aims to determine whether oro-dental morphological anomalies, particularly palatal morphology, associated with rare bone and cartilage diseases can be precisely characterized using 3D digital models analysed through…
- Conditions
- Osteogenesis Imperfecta, Rare Bone Disorders, Hypophosphatemia, X-Linked
- Trial name
- MOSAIC (NCT07666269)
- Testing
- intra-oral 3D optical impression
- Where
- France
- Volunteers
- 240 people, healthy volunteers welcome
- Sponsor
- University Hospital, Bordeaux
Chronic Kidney Disease 5D, Secondary Hyperparathyroidism Due to Renal Causes
A Study on Prevention Strategies for CKD-SHPT and Related Complications Based on General Vitamin D Supplementation
1. Study content: This is a multicentre, double-blind, randomised controlled study to determine the optimal dose and duration of treatment for the correction of vitamin D insufficiency or deficiency in patients with CKD5d; to…
- Conditions
- Chronic Kidney Disease 5D, Secondary Hyperparathyroidism Due to Renal Causes, Vitamin D Deficiency
- Trial name
- NCT05549154
- Testing
- High-dose vitamin D2 softgels, low-dose vitamin D2 softgels
- Where
- China
- Volunteers
- 372 people
- Sponsor
- First Affiliated Hospital Xi'an Jiaotong University
Vitamin D Deficiency
Effect of Vitamin D Oral Supplements on 25 OH Vitamin D Levels
Vitamin D deficiency is common world wide. 25 OH vitamin D level is the best indicator of vitamin D status. Vitamin D supplements are available as vitamin D2 or D3, in small daily or large weekly/monthly doses.
- Trial name
- NCT01170494
- Testing
- ergocalciferol 2000 IU orally, daily, ergocalciferol 25000 IU oraly every 2 weeks, ergocalciferol 50000 IU orally every 4 weeks
- Where
- Saudi Arabia
- Volunteers
- 279 people, healthy volunteers welcome
- Sponsor
- King Faisal Specialist Hospital & Research Center
Vitamin D2 Supplementation in Vitamin D Insufficiency
Optimal Doses of Ergocalciferol Supplementation for Treatment of Hypovitaminosis D in Adults
To investigate the optimal initial and maintenance doses of vitamin D2 supplementation for the treatment of vitamin D insufficiency in Thai adults, and to determine the prevalence of and risk factors for hypovitaminosis D among…
- Trial name
- NCT03228862
- Testing
- Ergocalciferol
- Where
- Thailand
- Volunteers
- 360 people, healthy volunteers welcome
- Sponsor
- Chulalongkorn University
Rotator Cuff Tear Arthropathy, Osteoporosis
COMPREHENSIVE® REVERSE SHOULDER Mini BasePlate
Evaluate Survivorship for the Biomet® Comprehensive® Reverse Shoulder Mini Baseplate.
- Conditions
- Rotator Cuff Tear Arthropathy, Osteoporosis, Osteomalacia, Joint; Destruction, Sacroiliac
- Trial name
- NCT02084693
- Testing
- COMPREHENSIVE
- Where
- 5 sites in South Korea
- Volunteers
- 100 people
- Sponsor
- Zimmer Biomet
Multiple Sclerosis, Relapsing-Remitting, Adult ALL
Investigating the Effects of Hydroxyvitamin D3 on Multiple Sclerosis
Investigating the effects of hydroxyvitamin D3 on clinical, radiologic and immunomodulatory markers in MS patients: A randomized, clinical trial- a pilot study
- Conditions
- Multiple Sclerosis, Relapsing-Remitting, Adult ALL, Vitamin D3 Deficiency
- Trial name
- NCT05340985
- Testing
- 25(OH)D3, vitamin D3
- Volunteers
- 54 people
- Sponsor
- Tehran University of Medical Sciences
Lower Urinary Tract Symptoms, Vitamin D Deficiency
Uroflowmetry Results and Vitamin D Levels
The investigators aimed to evaluate the relationship between LUTS and vitamin D with uroflowmetry parameters in female patients. They found no relation between vitamin D levels and LUTS in respect to uroflowmetry.
- Conditions
- Lower Urinary Tract Symptoms, Vitamin D Deficiency, Calcium Deficiency
- Trial name
- NCT04405141
- Volunteers
- 186 people
- Sponsor
- Umraniye Education and Research Hospital
X-linked Hypophosphatemia
X-linked Hypophosphatemia and FGF21
Fibroblast Growth Factor 23 and Fibroblast Growth Factor 21 are two endocrine Fibroblast Growth Factors, requiring Klotho as a co-factor to promote their systemic actions.
- Trial name
- XLH 21 (NCT03596554)
- Testing
- Descriptive study
- Where
- 3 sites in France
- Volunteers
- 39 people
- Sponsor
- Hospices Civils de Lyon
Vitamin D Deficiency
Determination of Vitamin D Dose to Maintain Sufficiency Amongst Indian and Malay Women in the Tropics
Much research on vitamin D status has focused on seasonal variations in serum 25(OH)D levels in populations living at high altitudes and those of light-skinned Caucasian extraction, with little work done in multi ethnic…
- Trial name
- NCT02389179
- Testing
- Vitamin D3
- Where
- Malaysia
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Sharifah Faradila bt Wan Muhamad Hatta
Hypovitaminosis D
High Dose Preoperative Cholecalciferol Supplementation and Perioperative Vitamin D Status
A growing body of evidence suggests that robust postoperative immune function is associated with a lower risk of surgical site infections (SSIs).
- Trial name
- NCT01689779
- Testing
- 100,000 IU cholecalciferol
- Where
- United States
- Volunteers
- 60 people
- Sponsor
- Massachusetts General Hospital
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