Clinical trials: Deficiency of Vitamin D3
Atopic Dermatitis, Vitamin D Deficiency
Vitamin D Deficiency and Atopic Dermatitis
Atopic dermatitis is a chronic skin disease characterized by a defective skin barrier, inflammation, and increased propensity for skin infections.
- Trial name
- NCT01337635
- Testing
- Vitamin D
- Where
- United States
- Volunteers
- 7 people
- Sponsor
- Medical College of Wisconsin
Obesity, Vitamin D Deficiency
Vitamin D Supplementation in Psychiatric Illnesses
Children and adolescents with psychiatric illnesses who are treated with medications called second generation antipsychotic agents (SGA) often gain excessive weight during their treatment with these medications.
- Conditions
- Obesity, Vitamin D Deficiency, Psychosis, Schizophrenia
- Trial name
- VDSS (NCT01004354)
- Testing
- Ergocalciferols
- Where
- United States
- Volunteers
- 12 people
- Sponsor
- University of Massachusetts, Worcester
Hypophosphatasia
Post-approval Clinical Study of Asfotase Alfa Treatment for Patients With Hypophosphatasia (HPP) in Japan
This is a multicenter study in Japan. Eleven sites which have already participated in the investigator-initiated clinical study (Early Access Program) will participate in this study.The objective of this study is to gain further…
- Trial name
- NCT02531867
- Testing
- Asfotase Alfa
- Volunteers
- 13 people
- Sponsor
- Alexion Pharmaceuticals, Inc.
Healthy
Defining Vitamin D Insufficiency in School Age Children: A Randomized Placebo Controlled Trial of Vitamin D3
The study objective is to characterize the threshold levels of serum 25-hydroxyvitamin D for the definition of vitamin D insufficiency in 8-14 year old African American and Caucasian children.
- Trial name
- Vitamin D RCT (NCT00732758)
- Testing
- Vitamin D3 1000 IU
- Where
- United States
- Volunteers
- 157 people, healthy volunteers welcome
- Sponsor
- University of Pittsburgh
Polycystic Ovary Syndrome, Hypovitaminosis D
The Effect of Vitamin D Supplementation Among Overweight Jordanian Women With Polycystic Ovary Syndrome (PCOS)
This is a prospective double-blind, randomized, parallel-group, placebo-controlled trial designed to examine the effect of supplementation with 50,000 IU vitamin D3 for 3 months on Polycystic Ovary Syndrome (PCOS) prognosis…
- Trial name
- NCT02328404
- Testing
- 50,000 IU vitamin D3
- Where
- Jordan
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Hayat Pharmaceutical Co. PLC
Hypovitaminosis D
Cholecalciferol Supplementation for Sepsis in the ICU
Sepsis in a clinical entity that occurs in patients with serious infections. Though the severity of illness may vary, every year, approximately 1.6 million Americans are treated for sepsis.
- Trial name
- CSI (NCT01896544)
- Testing
- Cholecalciferol
- Where
- United States
- Volunteers
- 30 people
- Sponsor
- Massachusetts General Hospital
Pancreatitis, Chronic
Prospective Study of Efficacy of Intra-muscular Vitamin D3 in Tropical Calcific Pancreatitis
The purpose of this study is to determine the efficacy of 2 different doses of intramuscular (IM) vitamin D3 as compared to an oral replacement dose in normalizing vitamin D levels in the blood of patients with tropical calcific…
- Trial name
- NCT00956839
- Testing
- Vitamin D3 (Cholecalciferol)
- Where
- India
- Volunteers
- 40 people
- Sponsor
- Sanjay Gandhi Postgraduate Institute of Medical Sciences
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
Insulin Sensitivity
Effect of Vitamin D Replacement on Insulin Sensitivity
Healthy subjects with low Vitamin D levels will be randomly assigned to either Vitamin D replacement or placebo for a period of 8 weeks.
- Trial name
- NCT01268111
- Testing
- Ergocalciferols
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Texas Tech University Health Sciences Center
Vitamin D Deficiency, Short Bowel Syndrome
Treatment of Vitamin D Deficiency in Intestinal Rehabilitation Clinic Patients With a Portable Ultraviolet B Lamp
This is a randomized, controlled, unblinded pilot study for patients with vitamin D deficiency in Intestinal Rehabilitation clinic.
- Trial name
- NCT01930539
- Testing
- Ultraviolet B lamp
- Where
- United States
- Volunteers
- 11 people
- Sponsor
- University of Nebraska
Calcium and Vitamin D Deficiencies
Calcichew D3 Preference Study in Participants Eligible for Calcium and Vitamin D Supplementation.
The purpose of this study is to compare the preference of Calcichew D3 500/400 (containing 500 mg calcium and 400 IU of vitamin D) with Adcal-D3 600/400 (containing 600 mg of calcium and 400 IU of vitamin D) in Test Group 1, and…
- Trial name
- NCT02457247
- Testing
- Calcichew D3, Adcal-D3, Kalcipos-D
- Where
- 9 sites in Germany, United Kingdom
- Volunteers
- 276 people
- Sponsor
- Takeda
Vitamin D Deficiency, Vitamin D Insufficiency
Solius UV Light Source in Improving Serum Levels of 25-hydroxyvitamin D
This is a feasibility interventional study seeking to determine the safety and efficacy of the Solius Photobiologic System in increasing the serum levels of 25(OH)D in a vitamin D deficient/insufficient adult population.
- Trial name
- NCT04865432
- Testing
- UVB treatment
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Boston University
Hypophosphatasia (HPP)
A Retrospective Study of the Natural History of Patients With Severe Perinatal and Infantile Hypophosphatasia (HPP)
This study aims to characterize the natural history of patients with severe perinatal or infantile onset HPP.
- Trial name
- NCT01419028
- Where
- 12 sites in United States, Australia and 5 more
- Volunteers
- 48 people
- Sponsor
- Alexion Pharmaceuticals, Inc.
Systemic Lupus Erythematosus, SLE
Vitamin D3 in Systemic Lupus Erythematosus
The purpose of this study is to explore the impact of vitamin D3 on the expression of alpha interferon (IFN alpha) expression in systemic lupus erythematosus (SLE) patients with vitamin D deficiency.
- Conditions
- Systemic Lupus Erythematosus, SLE, Lupus
- Trial name
- NCT00710021
- Testing
- Vitamin D3
- Where
- 8 sites in United States
- Volunteers
- 57 people
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
Secondary Hyperparathyroidism, Chronic Kidney Disease
Study to Assess Patient Management Practices and Quality of Life With Paricalcitol Capsules in the Treatment of Secondary Hyperparathyroidism in Stage 3-5 Chronic Kidney Disease Patients Not Yet on Dialysis
Paricalcitol capsules (Zemplar®) received marketing authorization in Sweden in late 2007 for the prevention and treatment of secondary hyperparathyroidism in patients with Stage 3 \& 4 Chronic Kidney Disease (CKD).
- Trial name
- CAPITOL (NCT01265992)
- Where
- 10 sites in Sweden
- Volunteers
- 50 people
- Sponsor
- AbbVie (prior sponsor, Abbott)
Secondary Hyperparathyroidism
Open-label Study to Assess the Long-term Safety and Efficacy of Etelcalcetide (Also Known as AMG 416 or KAI-4169) in Patients With Secondary Hyperparathyroidism
The purpose of this study is to evaluate the long term safety and efficacy of thrice weekly intravenous (IV) administration of etelcalcetide in the treatment of secondary hyperparathyroidism (SHPT) in patients receiving…
- Trial name
- NCT01576146
- Testing
- Etelcalcetide
- Volunteers
- 30 people
- Sponsor
- KAI Pharmaceuticals
Deficiency of Vitamin D3
Optimizing Vitamin D in the Elderly
Vitamin D deficiency is highly prevalent in older people in the absence of vitamin D supplementation. The limited data available show marked inter-individual variability in response to vitamin D supplementation in very old, frail…
- Trial name
- NCT01554241
- Testing
- D3 2000 IU/day, D3 4000 IU/day, D3 50,000 IU weekly
- Where
- United States
- Volunteers
- 86 people
- Sponsor
- University of California, San Francisco
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
X-linked Hypophosphatemia
A Repeated Study of KRN23 in Adults With X-Linked Hypophosphatemia
The primary purpose of this study is to assess the safety and efficacy of repeated subcutaneous (SC) injections of KRN23 in adult subjects with X-Linked Hypophosphatemia (XLH).
- Trial name
- NCT01340482
- Testing
- KRN23
- Where
- 6 sites in United States, Canada
- Volunteers
- 29 people
- Sponsor
- Kyowa Kirin Co., Ltd.
Chronic Kidney Disease stage3, Chronic Kidney Disease stage4
Phase 3 Safety and Efficacy Study of CTAP101 Extended-release Capsules in Children With Secondary Hyperparathyroidism
This is a phase 3, multi-center, randomized, double-blind, placebo-controlled study in children with stage 3-4 chronic kidney disease (CKD), secondary hyperparathyroidism (SHPT) and vitamin D insufficiency.
- Conditions
- Chronic Kidney Disease stage3, Chronic Kidney Disease stage4, Vitamin d Deficiency, Secondary Hyperparathyroidism
- Trial name
- NCT05543928
- Testing
- CTAP101
- Where
- 2 sites in United States
- Volunteers
- 2 people
- Sponsor
- OPKO Health, Inc.