Clinical trials: Deficiency, Vitamin D
Infertility, Female, Vitamin D Deficiency
Vitamin D Status Among Infertile Women in Sweden
The goal of this prospective cohort study is to learn about the overall and seasonal prevalence of vitamin D insufficiency and its determinants in a population of women with infertility who will go through in vitro fertilization…
- Trial name
- NCT05848349
- Where
- Sweden
- Volunteers
- 265 people, healthy volunteers welcome
- Sponsor
- Vastra Gotaland Region
Vitamin D Deficiency, Diabetes
Vitamin D and Inflammatory Markers of Cardiovascular Disease in African Americans With Type 2 Diabetes
Recent clinical trials in non diabetics showed that vitamin D supplementation markedly reduced serum levels of C-reactive protein (CRP), interleukin-6, and tissue matrix metallo-proteinases.
- Trial name
- NCT01153243
- Testing
- Ergocalciferol
- Volunteers
- 117 people
- Sponsor
- Cook County Health
Vitamin D Deficiency, Recurrent Spontaneous Abortion
Study on Clinical Value of Vitamin D in Recurrent Spontaneous Abortion
The observational study is to compare vitamin D deficiency and related indicators among different spontaneous abortions in describe female reproductive health.The main question aim to answer is: the possible pathogenesis of…
- Trial name
- NCT06002035
- Testing
- Binom Vitamin D drops
- Where
- China
- Volunteers
- 1,421 people, healthy volunteers welcome
- Sponsor
- Jianmei Xia
Vitamin D Deficiency
Vitamin D Intervention Trial in Healthy Chinese, Phase II
This is a double-blind, randomized, placebo-controlled trial. Based on inclusion and exclusion criteria, 400 eligible volunteers, who were 20-45 years, with 25-hydroxyvitamin D between 12.5-50 nmol/L and BMI between 18.5-28…
- Trial name
- NCT01998763
- Testing
- Vitamin D3
- Where
- China
- Volunteers
- 448 people, healthy volunteers welcome
- Sponsor
- Chinese Academy of Sciences
Hypovitaminosis D
The Role of Vitamin D Supplementation on Pain in Women With Primary Dysmenorrhea and Hypovitaminosis D
The purpose of this study is to evaluate the effect of vitamin D supplementation on the pain score of primary dysmenorrhea. Our hypothesis is that by normalizing vitamin D level could help improve pain score of women who have…
- Trial name
- NCT04829487
- Testing
- Ergocalciferol Capsules
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Mahidol University
Type 2 Diabetes
Effects of Treating Vitamin D Deficiency in Poorly Controlled Type 2 Diabetes
This pilot study will investigate the effect of Vitamin D supplementation in improving glucose control with patients with poorly controlled diabetes and concurrent Vitamin D deficiency.
- Trial name
- NCT01855321
- Testing
- Vitamin D
- Where
- United States
- Volunteers
- 76 people
- Sponsor
- University of Florida
Chronic Kidney Disease, Vitamin D Deficiency
hCAP18 Levels and Vitamin D Deficiency in Chronic Kidney Disease
The human immune system produces a protein called hCAP18 (also known as LL-37 or cathelicidin). This protein is believed to help the body to fight infections.
- Trial name
- NCT01026363
- Testing
- Ergocalciferol, Calcitriol
- Where
- United States
- Sponsor
- Massachusetts General Hospital
Vitamin D Deficiency
Safety, Efficacy, and Feasibility of High-dose Cholecalciferol in Pediatric Patients With Cystic Fibrosis
Children with Cystic Fibrosis, ages greater than and equal to 36 months of age and less than or equal to 18 years of age, with a 25OHD level less than 30 ng/dL will be asked to participate in this study.
- Trial name
- NCT02613884
- Testing
- Treatment
- Where
- United States
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins All Children's Hospital
Deficiency, Vitamin D
Vitamin D Status After Single Oral Dose of Cholecalciferol in Low Fat Meal Compared to High-fat Meal
The purpose of this study is to evaluate the absorption of dietary supplement of vitamin D3 (cholecalciferol), through the variation of 25 (OH) D levels, as the fat content of the meal associated with the administration of the…
- Trial name
- VITDAB_08606 (NCT00968734)
- Testing
- colecalciferol
- Where
- Brazil
- Volunteers
- 30 people
- Sponsor
- Federal University of Rio Grande do Sul
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
End Stage Renal Disease, Hyperparathyroidism, Secondary
Mineral and Bone Disorders Outcomes in Stage 5D of Chronic Kidney Disease
The MBD-5D is a prospective observational study with a case-cohort and a cohort design. Eligible patients are receiving hemodialysis and have secondary hyperparathyroidism.
- Trial name
- MBD-5D (NCT00995163)
- Where
- Japan
- Volunteers
- 8,020 people
- Sponsor
- Kyowa Kirin Co., Ltd.
Hypocalcemia
Vitamin D Deficiency and Postoperative Hypocalcemia
Hypocalcemia is a frequent adverse event after thyroidectomy. It is usually related to hypoparathyroidism, but preoperative hypocalcemia, hypomagnesemia or vitamin D deficiency contributes to it.
- Trial name
- NCT01632514
- Testing
- Cholecalciferol
- Where
- Brazil
- Volunteers
- 90 people
- Sponsor
- University of Sao Paulo General Hospital
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
Connective Tissue Diseases
Connective Tissue Diseases and Vitamin D Deficiency
Connective tissue disease (CTD) covers all heterogeneous and broad immunological diseases. These immunological diseases are characterized by inflammation, tissue damage, and abnormal repair.
- Trial name
- NCT05065814
- Testing
- Systemic lupus erythematosus group, Systemic sclerosis group, Healthy control group
- Where
- Turkey (Türkiye)
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Gazi University
Vitamin D Deficiency
Vitamin D and Functional Outcomes After Total Hip Arthroplasty (THA)
The investigators would like to evaluate the effect of serum 25-hydroxy vitamin D level on post-operative short-term functional outcomes after total hip arthroplasty (THA).
- Trial name
- NCT01397383
- Where
- United States
- Volunteers
- 219 people, healthy volunteers welcome
- Sponsor
- Hospital for Special Surgery, New York
Healthy, Obesity
Open Label Randomized Clinical Study to Promote a Healthy Lifestyle in Medical Students
The main medical and social purpose of the project "It's trendy to be healthy!" is the promotion of healthy lifestyles and healthy eating among student youth.
- Conditions
- Healthy, Obesity, Nutrition, Healthy, Vitamin D Deficiency
- Trial name
- NCT05073029
- Testing
- nutrition program and modification of physical activity, synbiotic (Fructooligosaccharides+Lactobacillus rhamnosus GG ATCC 53103, 4.0х109 colony forming units - CFU), vitamin D3
- Where
- 2 sites in Ukraine
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Bogomolets National Medical University
Vitamin D Deficiency
Vitamin Deficiency in Immigrants, a Treatment Study
The purpose of this study is to determine the efficacy of different doses of vitamin D in persons, immigrated to Sweden from Middle East or Africa, with decreased S vitamin D.
- Trial name
- VIDI2 (NCT01419119)
- Testing
- Cholecalciferol high dose at Vitamin D deficiency, Cholecalciferol median dose at Vitamin D insufficiency, Cholecalciferol low dose at Vitamin D deficiency
- Where
- Sweden
- Volunteers
- 160 people
- Sponsor
- Umeå University
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
Vitamin D Deficiency, Hemodialysis Patient
Cholecalciferol Supplementation Effect on Parathyroid Hormone in Hemodialysis Patients
Introduction. Vitamin D regulates mineral metabolism. Its deficiency has been associated with diabetes, cancer and increased mortality. 25OH vitamin D (25VD) is stable and suitable for the evaluation of vitamin D sufficiency.
- Trial name
- NCT03648528
- Testing
- cholecalciferol
- Volunteers
- 120 people
- Sponsor
- Cooperativa Asistencia Sindicato Médico Uruguay
Bell Palsy, Vitamin D Deficiency
The Effect Vitamin D on the Recovery Rate of Bell Palsy
Patients aged between 18-65 who visit the Physical Medicine and Rehabilitation outpatient clinic diagnosed with Bell Palsy will be included in the study.
- Conditions
- Bell Palsy, Vitamin D Deficiency, Facial Paralysis
- Trial name
- NCT05997199
- Testing
- Vitamin D replacement
- Where
- Turkey (Türkiye)
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- Umraniye Education and Research Hospital
The first 1,020 results can be paged through. Add a filter or change the sort order to reach the rest.