Clinical trials: Hypovitaminosis
Diabetes Mellitus, Erectile Dysfunction
Is There a Benefit From Addition of Exercise in Diabetic Patients With ED Who Complain Low Vitamin D?
males with diabetes complain impotence in the presence of low vitamin D deficiency. pharacmological treatment of low vitamin D levels is necessary but changing lifestyle by performing exercise is also important
- Conditions
- Diabetes Mellitus, Erectile Dysfunction, Vitamin D Deficiency
- Trial name
- NCT07366970
- Testing
- exercise and vitamin D intake, vitamin D intake
- Where
- Egypt
- Volunteers
- 40 people
- Sponsor
- Cairo University
Leg Cramps, Nocturnal
Vitamin D for Painful Nocturnal Leg Cramps
1. Research question: Does vitamin D reduce the frequency and severity of nocturnal leg cramps in older persons who previously took quinine for leg cramps? 2.
- Trial name
- NCT00715429
- Testing
- vitamin d
- Where
- United States
- Volunteers
- 29 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison
Anemia, Iron Deficiency, Vitamin A Deficiency
Iron and Vitamin A in School Children
The WHO recommended intermittent iron supplementation as a strategy for prevention of anemia and iron deficiency among school age children.
- Conditions
- Anemia, Iron Deficiency, Vitamin A Deficiency, Cognitive Development, Helminthic Infection
- Trial name
- IronVitA (NCT04137354)
- Testing
- Intermittent iron supplement, High-dose Vitamin A supplement
- Where
- Ethiopia
- Volunteers
- 504 people, healthy volunteers welcome
- Sponsor
- University Ghent
Cancer Breast, Hypovitaminosis D
Influence of Preoperative Vitamin D Level on Postoperative Pain in Breast Cancer Surgery Patients
Vitamin D deficiency is a general problem that vigorously affects human health . Breast cancer is the most frequently diagnosed life-threatening cancer in women and the leading cause of cancer death among women.Vitamin D…
- Trial name
- NCT06551688
- Testing
- Serum 25(OH)D level
- Where
- Egypt
- Volunteers
- 184 people
- Sponsor
- Fayoum University
Vitamin D Deficiency
Vitamin D Levels Following Topical Application of Vitamin D Ointment
This is a pre-post open label trial to assess the change in Vitamin D blood levels following treatment with three doses of topical Vitamin D3 in subjects with existing Vitamin D deficiency.
- Trial name
- VITD-001 (NCT02676674)
- Testing
- Dose 1, Dose 2
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- University of Minnesota
Chronic Kidney Diseases, Chronic Kidney Disease-Mineral and Bone Disorder
Chinese CKD-MBD Prevalence Survey (CRISS-MBD)
This is a multi-center cross sectional epidemiological study. The purpose of this study is to investigate the prevalence of Chronic Kidney Disease-Mineral and Bone Disorder (CKD-MBD) in Chinese population.
- Trial name
- NCT04714918
- Where
- 40 sites in China
- Volunteers
- 10,254 people
- Sponsor
- Limeng Chen
Vitamin D Deficiency, Spinal Cord Injury
Vitamin D Supplementation in Wheelchair Indoor Athletes
There is a high prevalence of vitamin D deficiency in Switzerland. In indoor-athletes as well as wheelchair users, vitamin D deficiency occurs even more often.
- Conditions
- Vitamin D Deficiency, Spinal Cord Injury, Drug Effects, Dietary Supplements
- Trial name
- VitD_SCI (NCT02621320)
- Testing
- Vitamin D
- Where
- Switzerland
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Swiss Paraplegic Research, Nottwil
Osteoporosis, Vascular Calcification
Effect of Vitamin K on Age-Related Bone Loss and Vascular Calcification
The purpose of this study is to determine if supplemental vitamin K will reduce age-related bone loss in elderly men and women above that achieved by supplementation.
- Conditions
- Osteoporosis, Vascular Calcification, Inflammation
- Trial name
- NCT00183001
- Testing
- Vitamin K
- Where
- United States
- Volunteers
- 452 people, healthy volunteers welcome
- Sponsor
- National Institute on Aging (NIA)
Anemia, Folate Deficiency
Periconceptional Surveillance in India
Women of reproductive age are a high-risk population for anaemia and micronutrient deficiencies. Evidence supports the role of periconceptional nutrition in the development of adverse pregnancy complications.
- Conditions
- Anemia, Folate Deficiency, Vitamin B12 Deficiency
- Trial name
- NCT04048330
- Where
- India
- Volunteers
- 2,000 people, healthy volunteers welcome
- Sponsor
- Cornell University
Bariatric Surgery Candidate, Obesity, Morbid
Effect Of Laparoscopic Sleeve Gastrectomy on Vitamin D, Parathormone and Calcium Levels
Obesity is likely to be the disease of the 21th century. The growth of obesity is worldwide, a pandemic, and has increased globally in the last 30 years.
- Conditions
- Bariatric Surgery Candidate, Obesity, Morbid, Vitamin D Deficiency, Calcium Deficiency
- Trial name
- NCT05430932
- Testing
- Laparoscopic sleeve gastrectomy
- Where
- Egypt
- Volunteers
- 40 people
- Sponsor
- Kafrelsheikh University
Hypovitaminosis D
Impact of Hypovitaminosis D on Bone Disease in HIV Infected Patients
To determine the prevalence of hypovitaminosis D in HIV infected patients, and the consequences on secondary hyperparathyroidism, and bone mineral density (BMD).
- Trial name
- PuraVIHta (NCT02351284)
- Testing
- Measurement
- Where
- Spain
- Volunteers
- 300 people
- Sponsor
- Jose L. Casado
Crohn's Disease, Vitamin D Deficiency
Exploring the Effects of Vitamin D Supplementation on the Chronic Course of Patients With Crohn's Disease With Vitamin D Deficiency
Aims:Prospectively observe the effects of Vitamin D drops supplementation on the chronic course of Crohn's disease patients, analyze whether the effect of Vitamin D drops on CD patients is affected by factors such as disease…
- Conditions
- Crohn's Disease, Vitamin D Deficiency, Vitamin D Supplement
- Trial name
- NCT04308850
- Testing
- Vitamin D drops
- Where
- China
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Second Affiliated Hospital of Wenzhou Medical University
Vitamin D Deficiency
Effects of Vitamin D3 Supplementation on Antioxidant Enzymes Status in Vitamin D3 Deficient Asthma COPD Overlap (ACO) Patients
Asthma-COPD overlap (ACO) is a new entity in the world of respiratory ailments. The respiratory tract of these patients are continuously exposed to oxidants (due to cigarette smoking) causing oxidative stress.
- Trial name
- NCT03931889
- Testing
- Vitamin D3
- Where
- Bangladesh
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Bangabandhu Sheikh Mujib Medical University, Dhaka, Bangladesh
Muscle Strength, Vitamin B 12 Deficiency
Study of the Association of Muscle Strength, Balance and Other Factors With Vitamin Levels Among Elderly Diabetics
Vitamin B12 deficiency can cause severe problems with the blood, nerves, brain and psychological well-being. Ironically, our modern methods for the control of diabetes mellitus can actually contribute to vitamin B12 deficiency.
- Conditions
- Muscle Strength, Vitamin B 12 Deficiency, Folate Deficiency, Vitamin D Deficiency
- Trial name
- NCT03376490
- Where
- Singapore
- Volunteers
- 56 people
- Sponsor
- SingHealth Polyclinics
Nutritional Status, Nutrient Deficiency
Dietary Challenges in the Population of Nursing Homes' Residents
To obtain up-to-date data on nutritional status of older adults, a national dietary survey will be conducted in 2022/2023, providing data on the consumption of foods and enabling the assessment intakes of energy and specific…
- Conditions
- Nutritional Status, Nutrient Deficiency, Micronutrient Deficiency, Vitamin D Deficiency
- Trial name
- NUTRICARE (NCT05389618)
- Testing
- Diagnostic Tests
- Where
- Slovenia
- Volunteers
- 387 people
- Sponsor
- Institute of Nutrition, Slovenia (Nutris)
Type 1 Diabetes Mellitus, Vitamin D Deficiency
Vitamin D Supplementation and Glycemic Control Improvement Among Type 1 Diabetic Children
Type 1 diabetes mellitus (T1DM) is an immune-mediated disease characterized by diminished insulin secretion due to damage to islets of Langerhans in the pancreas, which eventually results in high levels of glucose in the blood.
- Trial name
- NCT05141968
- Testing
- vitamin D supplements (2000 IU/day)
- Where
- Palestinian Territories
- Volunteers
- 80 people
- Sponsor
- Al-Azhar University
Hypertension, Hyperhomocysteinemia
CSPPT- Chronic Kidney Diseases Study
The purpose of this trial is to confirm that enalapril maleate and folic acid tablets is more effective in preventing renal function decline among the patients with primary hypertension when compared to enalapril maleate.
- Trial name
- CSPPT-CKD (NCT01871740)
- Testing
- Enalapril maleate and folic acid tablets, Enalapril maleate
- Where
- 2 sites in China
- Sponsor
- Shenzhen Ausa Pharmed Co.,Ltd
Vitamin D Deficiency, Sarcopenia
Impact of Vitamin D on 25-hydroxyvitamin D Levels and Physical Function
This one-year study will test the hypothesis that supplementation with vitamin D will improve lower extremity muscle performance in older men and women with vitamin D insufficiency.
- Trial name
- NCT02293187
- Testing
- vitamin D3
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Tufts University
Vitamin D Deficiency, Cognitive Decline
High-dose Vitamin D Supplements in Older Adults
This Phase II randomized clinical trial aims to test if supplementation with high dose oral vitamin D will successfully correct vitamin D insufficiency, compared to treatment with standard (RDA) dose vitamin D in a diverse…
- Trial name
- NCT03613116
- Testing
- Vitamin D3
- Where
- United States
- Volunteers
- 180 people
- Sponsor
- University of California, Davis
Vitamin D Deficiency
Effects of Antarctic Environment on Vitamin D Status and Health Risk Biomarkers of Its Inhabitants
The purpose of this study is to evaluate vitamin D (VD) deficiency in the population of Chilean Antarctica and evaluate the efficacy and safety of VD supplementation to decrease VD deficiency and favorably influence biomarkers…
- Trial name
- AntarD (NCT02930434)
- Testing
- cholecalciferol
- Volunteers
- 75 people, healthy volunteers welcome
- Sponsor
- Pontificia Universidad Catolica de Chile
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