Clinical trials: Cholecalciferol
Femur Neck Fracture
Effect of Teriparatide on Hip Fracture Healing
The purpose of this study is to see whether teriparatide, given for 6 months versus placebo, will improve the healing of hip (femoral neck) fractures that are repaired during surgery using certain types of orthopedic screws.
- Trial name
- NCT01473589
- Testing
- Teriparatide, Calcium supplementation, Vitamin D supplementation
- Where
- 92 sites in United States, Australia and 17 more
- Volunteers
- 122 people
- Sponsor
- Eli Lilly and Company
Fractures, Bone
A Study to Compare Denosumab With Zoledronic Acid in Subjects With Bone Metastases From Solid Tumors
This is a randomized, double-blind, double-dummy study designed to provide bridging data in an Asian population to Amgen's studies of denosumab in subjects with bone metastases from solid tumors.
- Trial name
- NCT01920568
- Testing
- Denosumab 70 mg/mL, Zoledronic acid 4 mg, Calcium supplement
- Where
- 25 sites in China, Singapore and 1 more
- Volunteers
- 487 people
- Sponsor
- GlaxoSmithKline
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
Osteoporosis
Secondary Prevention of Osteoporosis
The purpose of this study is to develop and implement an evidence based protocol for the secondary prevention of osteoporotic fractures and falls, and to determine how compliance with this intervention improves muscle strength…
- Trial name
- NCT00421343
- Testing
- alendronate with cholecalciferol, calcium carbonate with cholecalciferol, Falls prevention measures
- Where
- United States
- Volunteers
- 29 people
- Sponsor
- Hebrew SeniorLife
Metastatic Colorectal Cancer
Study of Vitamin D in Untreated Metastatic Colorectal Cancer
This is a prospective, randomized, double-blind phase II trial to evaluate the efficacy and safety of two doses of vitamin D supplementation in combination with standard chemotherapy in participants with previously-untreated…
- Trial name
- NCT01516216
- Testing
- FOLFOX + bevacizumab, Vitamin D
- Where
- 18 sites in United States
- Volunteers
- 139 people
- Sponsor
- Dana-Farber Cancer Institute
Hypovitaminosis D
To Study the Nutri-Genomic Response of Vit-D Supplementation in African-Americans
Three hundred thirty (330) overweight, pre-hypertensive/controlled hypertensive, African-American participants will be enrolled in a 8 week study to assess the effect of two administrations of Vitamin D3 on Vitamin D serum…
- Trial name
- NCT02802449
- Testing
- 25 Hydroxy- Vitamin D3 [25 (OH) D3]
- Where
- United States
- Volunteers
- 330 people, healthy volunteers welcome
- Sponsor
- Charles Drew University of Medicine and Science
COVID-19, SARS-CoV 2
Hydroxychloroquine as Post-Exposure Prophylaxis Against COVID-19 Infection
This is a prospective, double-blind, randomized, placebo-controlled study in two distinct cohorts to evaluate the efficacy and safety of hydroxychloroquine in the prevention of COVID-19 infection.
- Trial name
- NCT04372017
- Testing
- Hydroxychloroquine, Vitamin D
- Where
- United States
- Volunteers
- 1 people, healthy volunteers welcome
- Sponsor
- Sanford Health
Male Prisoner
Monocentric Randomized Study, Assessing the Interests of the Determination of Vitamin D in Prison Population. (Vitamine D)
The study will be proposed to man entering the prison of La Roche sur Yon. Participants will be randomized into two arms: one arm realize a dosage of vitamin D at the entrance and 6 months after the entry and the second arm will…
- Trial name
- NCT02044133
- Testing
- Dosage Vitamine D
- Where
- France
- Volunteers
- 54 people, healthy volunteers welcome
- Sponsor
- Centre Hospitalier Departemental Vendee
Chronic Kidney Disease
Vascular Reactivity in Chronic Kidney Disease (CKD) Patients Receiving Paricalcitol Versus Placebo
This research is studying how Vitamin D may affect blood vessels reaction to stress and blood levels of substances that may increase blockages in the blood vessels in chronic kidney disease (CKD) patients.
- Trial name
- NCT00915876
- Testing
- Paricalcitol
- Where
- United States
- Volunteers
- 41 people
- Sponsor
- Amy Barton Pai
Osteopenia
Study of Adults With Low Growth Hormone Who Survived Childhood Cancer Where Treatment Caused Low Bone Density
The purpose of this project is to evaluate the hypothesis that bisphosphonate treatment given to growth hormone deficient patients (regardless of current growth hormone replacement therapy status and without changing that status)…
- Trial name
- NCT00145704
- Testing
- bisphosphonate therapy (risedronate), Vitamin D supplement, Calcium
- Where
- United States
- Volunteers
- 6 people
- Sponsor
- State University of New York - Upstate Medical University
Hypovitaminosis D
Rapid Normalization of Vitamin D in Critically Ill Children: A Phase II Dose Evaluation Randomized Controlled Trial
Documented roles for vitamin D in calcium homeostasis, cardiovascular and respiratory health, inflammation, innate immunity, and neuromuscular function have led to the hypothesis that deficiency might represent a modifiable risk…
- Trial name
- VITdAL-PICU (NCT02452762)
- Testing
- Vitamin D3
- Where
- 4 sites in Austria, Canada and 1 more
- Volunteers
- 67 people
- Sponsor
- Children's Hospital of Eastern Ontario
Epilepsy, Bone Loss
Antiepileptic Drugs and Osteoporotic Prevention Trial
Study Design: (e.g., Controlled, Double-Blind, Randomized, Parallel): Randomized, double-blind, placebo controlled of a bisphosphonate in the prevention of bone loss associated with the use of antiepileptic drugs.
- Conditions
- Epilepsy, Bone Loss, Osteoporosis, Fractures
- Trial name
- ADOPT (NCT00869622)
- Testing
- Risedronate
- Where
- United States
- Volunteers
- 80 people
- Sponsor
- Boston VA Research Institute, Inc.
Plaque Psoriasis
PK and PD Study of Calcitriol 3 mcg/g Ointment in Pediatric Subjects With Plaque Psoriasis
The purpose of this study is to determine if the calcitriol absorption in pediatric subjects is comparable to that in adults and adolescents, with no significant impact on calcium/phosphorus metabolism.
- Trial name
- NCT01766440
- Testing
- Calcitriol 3 mcg/g ointment
- Where
- 8 sites in United States
- Volunteers
- 18 people
- Sponsor
- Galderma R&D
Osteoporosis
A Study to Examine the Effects of an Experimental Drug on Postmenopausal Osteoporosis (MK-0822-004)
This is a 1-year base study with a 1-year extension to examine the effects of a new experimental medication (odanacatib [MK-0822]) on postmenopausal osteoporosis.
- Trial name
- NCT00112437
- Testing
- Odanacatib, Vitamin D3, Calcium Carbonate
- Volunteers
- 399 people
- Sponsor
- Merck Sharp & Dohme LLC
Hip Fracture
Effects of Bisphosphonates and Nutritional Supplementation After a Hip Fracture
The study hypothesis is that nutritional supplementation together with bisphosphonates have a better preserving effect on bone mineral density (BMD) after hip fracture than bisphosphonates alone and that nutritional…
- Trial name
- NCT01950169
- Testing
- Risedronate, Nutritional supplement, Calcium and vitamin D3
- Where
- Sweden
- Volunteers
- 79 people
- Sponsor
- Karolinska Institutet
Osteoporosis, Postmenopausal, Osteoporosis
Preventing Osteoporosis Using Denosumab
The purpose of this research study is to find out if denosumab (Prolia®), an injection given in the arm under the skin every 6 months, works to treat bone loss and prevent it from worsening in older men and women (ages 65 and…
- Conditions
- Osteoporosis, Postmenopausal, Osteoporosis, Osteoporotic Fractures
- Trial name
- PROUD (NCT02753283)
- Testing
- denosumab, Calcium and Vitamin D
- Where
- United States
- Volunteers
- 201 people
- Sponsor
- Susan L. Greenspan
Chronic Obstructive Pulmonary Disease (COPD)
Magnesium is Associated With QoL in COPD: A Cross-sectional Study
The aim of this study was to investigate the associations between serum concentrations of vitamin D, Magnesium and Calcium in Chronic obstructive pulmonary disease patients and the potential impact of these parameters on lung…
- Trial name
- NCT01564953
- Where
- Denmark
- Volunteers
- 143 people
- Sponsor
- University of Aarhus
Covid19
Clinical Trial of Ivermectin Plus Doxycycline for the Treatment of Confirmed Covid-19 Infection
On 31 December 2019, the World Health Organization (WHO) was formally notified about a cluster of cases of pneumonia in Wuhan City, China.
- Trial name
- NCT04523831
- Testing
- Ivermectin and Doxycycline, Standard of care
- Where
- Bangladesh
- Volunteers
- 400 people
- Sponsor
- Dhaka Medical College
Chronic Obstructive Pulmonary Disease (COPD)
Effect of Supplemental Vitamin D on Skeletal Muscle Function in Chronic Obstructive Pulmonary Disease (COPD) Patients
The purpose of this study is to determine whether or not vitamin D supplementation can improve physical performance in persons with severe chronic obstructive pulmonary disease (COPD).
- Trial name
- NCT00914810
- Testing
- Vitamin D (cholecalciferol)
- Where
- United States
- Volunteers
- 39 people
- Sponsor
- Minneapolis Veterans Affairs Medical Center
Paget's Disease of Bone
Safety and Efficacy Trial With Zoledronic Acid for the Treatment of Paget's Disease of Bone, Including an Extended Observation Period
The core study looked at the effect of Zoledronic Acid given once as an intravenous (i.v.) infusion compared to 60 days of oral Risedronate in patients with Paget's disease of bone.
- Trial name
- NCT00051636
- Testing
- Zoledronic Acid, Risedronate, Calcium and Vitamin D
- Where
- 34 sites in United States, Australia and 4 more
- Volunteers
- 172 people
- Sponsor
- Novartis Pharmaceuticals