Clinical trials: Vitamin Deficiencies
Lead Poisoning, Vitamin D Deficiency
Penicillamine Chelation for Children With Lead Poisoning
Childhood Lead Poisoning is a widespread disease that has few effective treatments. The specific aims of this proposed clinical trial are threefold: To determine whether a six-week course of a newly formulated d-penicillamine…
- Trial name
- NCT00552630
- Testing
- d-penicillamine
- Where
- United States
- Sponsor
- FDA Office of Orphan Products Development
X-linked Hypophosphatemia (XLH)
Study to Assess the Safety, Tolerability, Pharmacokinetics and Efficacy of Burosumab in Patients Less Than 1 Year of Age
A Phase 1/2, Open-label, Multicenter, Non-randomized Study to Assess the Safety, Tolerability, Pharmacokinetics and Efficacy of Burosumab in Paediatric Patients from Birth to Less than 1 Year of Age with X-linked Hypophosphatemia…
- Trial name
- NCT04188964
- Testing
- Burosumab
- Where
- 9 sites in Austria, France and 4 more
- Volunteers
- 16 people
- Sponsor
- Kyowa Kirin Pharmaceutical Development Ltd
Hemophilia A, Hemophilia B
Correlation Between Vitamin D Status and Bone Mineral Density in Patients With Hemophilia
Study will look at baseline Vitamin D levels, calcium, albumin, liver enzymes, testosterone, osteocalcin, urine N telopeptides, bone mineral density, nutritional assessment and physical activity assessment of boys with hemophilia…
- Conditions
- Hemophilia A, Hemophilia B, Vitamin D Deficiency
- Trial name
- NCT01090206
- Testing
- Vitamin D and calcium
- Where
- United States
- Volunteers
- 20 people
- Sponsor
- Virginia Commonwealth University
Vitamin B-12 Deficiency, Achlorhydria
Cobalamin Absorption From Fortified Food
To determine B12 bioavailability from 14C-B12 fortified bread in healthy subjects and in subjects with proton pump inhibitor induced achlorhydria.
- Trial name
- FL-72 (NCT01399164)
- Testing
- 14C-B12 fortified bread
- Where
- United States
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- USDA, Western Human Nutrition Research Center
Vitamin D Deficiency
Vitamin D Levels in Residents in Medicine
the study aims to messure the vitamin D levels in medical staff in the hospital. The physicians in the course of their internship who work indoors and work many night shifts have limited sun exposure in all seasons.
- Trial name
- NCT01118806
- Where
- Israel
- Volunteers
- 106 people, healthy volunteers welcome
- Sponsor
- Meir Medical Center
Type 2 Diabetes Mellitus (T2DM), Vitamin D Deficiency
Effect of Vitamin D Supplementation on Metabolic Parameters in Patients With Type 2 Diabetes and Vitamin D Deficiency
The goal of this clinical study is to learn whether vitamin D supplementation improves metabolic control in adults with type 2 diabetes mellitus who have vitamin D deficiency.
- Trial name
- VITD-DM2 (NCT07468721)
- Testing
- cholecalciferol (vitamin D3)
- Where
- Paraguay
- Volunteers
- 119 people
- Sponsor
- Faculty of Medical Sciences, Clinical Hospital
Acute Lymphoblastic Leukemia, Vitamin d Deficiency
Effect of Supplementation With ω-3 Fatty Acids, Vitamin D and Calcium in Patients With Acute Lymphoblastic Leukemia.
The purpose of this study is to evaluate the efficacy of supplementation with Omega 3, Vitamin D and Calcium, in a cohort of children with ALL undergoing treatment and compare changes in the concentrations of biomarkers of bone…
- Trial name
- NCT05950204
- Testing
- ω-3 polyunsaturated fatty acids (DHA and EPA), Vitamin D (cholecalciferol), Calcium (calcium carbonate)
- Where
- Mexico
- Volunteers
- 40 people
- Sponsor
- Coordinación de Investigación en Salud, Mexico
Chronic Kidney Disease, Hyperparathyroidism, Secondary
Extension Study of CTAP101-CL-3001 or CTAP101-CL-3002
This extension study of subjects previously enrolled in studies CTAP101-CL-3001 or CTAP101-CL-3002 allows long term evaluation of the safety and efficacy of CTAP101 Capsules in reducing elevated intact parathyroid hormone (iPTH)…
- Conditions
- Chronic Kidney Disease, Hyperparathyroidism, Secondary, Vitamin D Deficiency
- Trial name
- NCT02282813
- Testing
- CTAP101 Capsules, Calcitriol, Doxercalciferol
- Volunteers
- 298 people
- Sponsor
- OPKO Health, Inc.
X-linked Hypophosphatemia
Study of the Anti-FGF23 Antibody, Burosumab, in Adults With XLH
This is phase 3b open-label, international, multicenter study to continue to monitor the long-term safety and efficacy of burosumab in adult patients with XLH that participated in previous clinical trials with burosumab…
- Trial name
- NCT03920072
- Testing
- Burosumab
- Where
- 10 sites in France, Ireland and 2 more
- Volunteers
- 35 people
- Sponsor
- Kyowa Kirin Pharmaceutical Development Ltd
Vitamin B 12 Deficiency
Cobalamin Deficiency - Diagnosis and Therapy
In a retrospective study with existing values of vitamin B12 and holotranscobalamin 4 strategies are simulated and the results and costs are compared. Generally, cobalamin ist substituted by intramuscular administration.
- Trial name
- NCT04243707
- Where
- Switzerland
- Volunteers
- 3,000 people, healthy volunteers welcome
- Sponsor
- University Hospital, Basel, Switzerland
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
Critical Illness, Vitamin D Deficiency
VITdAL@ICU - Correction of Vitamin D Deficiency in Critically Ill Patients
Study hypothesis: High-dose vitamin D leads to a shorter hospital stay in critically ill patients Vitamin D deficient patients will be randomized to receive either 540,000 IU cholecalciferol or placebo.
- Trial name
- VITdAL@ICU (NCT01130181)
- Testing
- Cholecalciferol
- Where
- Austria
- Volunteers
- 480 people
- Sponsor
- Harald Dobnig, MD
Vitamin D Deficiency
Vitamin D Supplementation of Lactating Mothers
The investigators would like to test the hypothesis that maternal vitamin D supplementation during lactation in dose 1200IU/d (400IU from multivitamins + 800 IU cholecalciferol) is more effective than 400IU/d (400IU from…
- Trial name
- MAVID (NCT01506557)
- Testing
- cholecalciferol
- Where
- 5 sites in Poland
- Volunteers
- 174 people, healthy volunteers welcome
- Sponsor
- Children's Memorial Health Institute, Poland
Menopause, Vitamin D Deficiency
Effect of Consumption of Yogurt Fortified in Calcium and Vit. D on Circulating Levels of 25OHD in Postmenopausal Women
The purpose of this study is to evaluate the effect of daily consumption of one or two CALIN+ pot(s) versus no intake of product, after 4, 8, 12 and 16 weeks, on the evolution of the serum concentration of 25-hydroxy vitamin D…
- Trial name
- NCT02534064
- Testing
- CALIN+
- Where
- France
- Volunteers
- 140 people, healthy volunteers welcome
- Sponsor
- Yoplait France SAS
Vitamin C Deficiency, Acute Disease
A Long-term Study to Describe the Use of PASCORBIN® 7.5 g in Patients With Vitamin C Deficiency
The aim of this long-term observational study is the documentation of the use of PASCORBIN® 7.5 g in patients with vitamin C deficiency.
- Conditions
- Vitamin C Deficiency, Acute Disease, Chronic Disease
- Trial name
- NCT02422901
- Testing
- vitamin C
- Where
- Germany
- Volunteers
- 5,000 people
- Sponsor
- Pascoe Pharmazeutische Praeparate GmbH
Vitamin D Deficiency
Oral or Intra Muscular Vitamin D2 Vs Oral or Intra Muscular Vitamin D3 in Treatment of Vitamin D Deficiency
The main purpose of this research is to find out if there is any difference between treating vitamin D deficiency with oral vitamin D3 or I.M vitamin D2.
- Trial name
- NCT06618365
- Testing
- Vitamin D Deficiency
- Where
- Qatar
- Volunteers
- 100 people
- Sponsor
- Hamad Medical Corporation
Vitamin D Deficiency
Follicular Fluid, Bioavailable Vitamin D and Embryo Quality Markers
To determine the correlation between bioavailable Vitamin D values and euploid status of the embryos in larger size follicles from UAE women undergoing in vitro fertilization procedures.
- Trial name
- NCT03073720
- Where
- United Arab Emirates
- Volunteers
- 43 people, healthy volunteers welcome
- Sponsor
- ART Fertility Clinics LLC
Vitamin D Deficiency, Osteoporosis
Study to Document the Phenomenon of Vitamin D Deficiency and Its Added Value in Patients with Low-energy Osteoporotic Hip Fracture, in Daily Practice in Greece.
Vitamin D, through its action on calcium metabolism, is essential for bone physiology. Vitamin D deficiency can affect muscle function and increase the risk of falls in the elderly, while severe deficiency is common in patients…
- Conditions
- Vitamin D Deficiency, Osteoporosis, Bone Loss, Age-Related, Fracture of Hip
- Trial name
- NCT06643650
- Testing
- CHOLECALCIFEROL ORAL.SOL 25000 IU/2,5ML
- Where
- Greece
- Volunteers
- 30 people
- Sponsor
- National and Kapodistrian University of Athens
Vitamin B 12 Deficiency
Assessing the Efficacy of Different Carrier Systems in Oral Vitamin B12 Supplementation
Vitamin B12, a vital nutrient, plays a crucial role in red blood cell formation, neurological function, and DNA synthesis. Deficiency in B12 can lead to anemia, neurological symptoms such as tingling or numbness, and cognitive…
- Trial name
- NCT06376591
- Testing
- Vit B12
- Where
- Pakistan
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Liaquat University of Medical & Health Sciences
Osteoporosis, Vitamin D Deficiency
Physiologic Interactions Between the Adrenal- and the Parathyroid Glands
To investigate possible physiologic interactions between the adrenal- and the parathyroid glands in patients with secondary hyperparathyroidism.
- Conditions
- Osteoporosis, Vitamin D Deficiency, Cardiovascular Disease
- Trial name
- AldOst (NCT02572960)
- Testing
- Valsartan, Cholecalciferol
- Where
- Denmark
- Volunteers
- 81 people
- Sponsor
- University of Aarhus
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