Clinical trials: Cholecalciferol
Osteoporosis
Study of MK-217A/Alendronate Sodium 70-mg/Vitamin D3 5600 IU Combination Tablet (MK-0217A-329)
This study will assess the effect of 26 weeks of once-weekly treatment with MK-217A/Alendronate Sodium 70-mg/Vitamin D3 5600 IU Combination Tablet (Fosamax Plus 70/5600) on serum levels of 25-hydroxyvitamin D [25(OH)D].
- Trial name
- NCT01437111
- Testing
- MK-217A/Alendronate Sodium 70-mg/Vitamin D3 5600 IU Combination Tablet
- Volunteers
- 200 people
- Sponsor
- Organon and Co
Age-related Macular Degeneration
Age-related Macular Degeneration (AMD) in the Vitamin D and Omega-3 Trial (VITAL)
The VITamin D and OmegA-3 Trial (VITAL; NCT 01169259) is a randomized clinical trial in 25,875 U.S. men and women investigating whether taking daily dietary supplements of vitamin D3 (2000 IU) or omega-3 fatty acids (Omacor fish…
- Trial name
- NCT01782352
- Testing
- Omega-3 fatty acids (fish oil), Vitamin D3
- Where
- United States
- Volunteers
- 25,871 people, healthy volunteers welcome
- Sponsor
- Brigham and Women's Hospital
Vitamin D Deficiency
Topical Delivery of Vitamin D3 as Vitamin D Supplementation
After obtaining the approval from the IRB of University of Dammam and informed consent from 550 healthy patients, with vitamin D deficiency and vitamin D insufficiency and deficiency were recruited.
- Trial name
- NCT02735200
- Testing
- Application of topical vitamin d3 (Top-D), Application of Aloe vera gel
- Where
- Saudi Arabia
- Volunteers
- 550 people, healthy volunteers welcome
- Sponsor
- Imam Abdulrahman Bin Faisal University
Diabetes Mellitus, Type 1, Hypoglycemia
Pilot Study of OMEGA-3 and Vitamin D in High-Dose in Type I Diabetic Patients
The investigator propose to test the safety and efficacy of a regimen that combines Omega-3 Fatty Acids and Vitamin D in a design that considers timing and duration of administration in relation to their effects and predicted…
- Conditions
- Diabetes Mellitus, Type 1, Hypoglycemia, Diabetes Mellitus, Diabetes, Autoimmune
- Trial name
- POSEIDON (NCT03406897)
- Testing
- Cholecalciferol, Omega 3 fatty acid
- Where
- United States
- Volunteers
- 27 people
- Sponsor
- Rodolfo Alejandro
Autistic Disorder
Vitamin D to Prevent Autism in Newborn Siblings
The purpose of this study is to determine whether by administering vitamin D to mothers who already have at least one child with autism and who are pregnant, that the vitamin D will prevent the recurrence of autism in the newborn…
- Trial name
- NCT01366885
- Testing
- Vitamin D3
- Where
- United States
- Volunteers
- 20 people
- Sponsor
- Oregon Health and Science University
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
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
Non-Hodgkin's Lymphoma, Lymphoma
Effect of Zoledronic Acid on Chemotherapy Induced Bone Loss
Primary Objective: Evaluate the effect of zoledronate on change in bone mineral density (BMD) at the total lumbar spine and femoral neck.
- Trial name
- NCT00352846
- Testing
- Zoledronic Acid, Vitamin D, Calcium Carbonate
- Where
- United States
- Volunteers
- 135 people
- Sponsor
- M.D. Anderson Cancer Center
Dyslipidemias
Effect of Vitamin D Supplementation on Exercise Adaptations in Patients on Statin Therapy
Statins along with lifestyle modifications including exercise are commonly prescribed to patients with type 2 diabetes. American diabetes association recommends using moderate-intensity statin and lifestyle therapy for patients…
- Trial name
- NCT02030041
- Testing
- Vitamin D, Simvastatin
- Where
- India
- Volunteers
- 33 people
- Sponsor
- Post Graduate Institute of Medical Education and Research, Chandigarh
Vitamin D Deficiency
Treatment Study of Vitamin D Deficiency in Adolescents
To compare the efficacy of two high dose vitamin D3 regimens (5,000 IU daily vs. 50,000 IU weekly) used clinically for the treatment of vitamin D deficiency versus a low dose of vitamin D3 used for supplementation (1,000 IU…
- Trial name
- NCT01784029
- Testing
- Vitamin D3
- Where
- United States
- Volunteers
- 183 people, healthy volunteers welcome
- Sponsor
- Montefiore Medical Center
Multiple Sclerosis, Relapsing-remitting
Pharmacokinetics of Vitamin D in Multiple Sclerosis and in Health
This is a pilot study of oral vitamin D supplementation to determine if patients with Multiple Sclerosis (MS) and healthy individuals attain a similar increase in serum 25-hydroxyvitamin D levels.
- Trial name
- NCT01667796
- Testing
- Vitamin D3
- Where
- 2 sites in United States
- Volunteers
- 57 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins University
Chronic Kidney Disease, Hyperparathyroidism, Secondary
Safety and Efficacy of CTAP101 to Treat Secondary Hyperparathyroidism in Stage 3 or 4 CKD and Vitamin D Insufficiency
This study will evaluate the efficacy of CTAP101 Capsules versus placebo in reducing intact parathyroid hormone (iPTH) by at least 30% from pretreatment baseline; safety and tolerability of CTAP101 will also be evaluated
- Conditions
- Chronic Kidney Disease, Hyperparathyroidism, Secondary, Vitamin D Deficiency
- Trial name
- NCT01704079
- Testing
- CTAP101 30 μg capsules, Sugar pill to CTAP101 30 μg capsules
- Where
- United States
- Volunteers
- 216 people
- Sponsor
- OPKO IP Holdings II, Inc.
HIV-associated Co-morbidities
Vitamin D Supplements for HIV-positive Patients on cART
The ability of vitamin D to modulate the immune system and strengthen bones may mitigate the adverse medication consequences of HIV/AIDS, but little is known about either the health benefits of vitamin D supplements, or about the…
- Trial name
- NCT01295034
- Testing
- conventional vitamin D treatment, tiered/titrated vitamin D dosing
- Where
- United States
- Volunteers
- 62 people
- Sponsor
- Andrea Branch
Cancer
Maintain Respiratory Muscle Function and Reduce Pneumonia Risk in Cancer Patients
This research is intended to begin to explore the impact of inspiratory muscle resistance exercise and/or 1,25(OH)2D3 for improving respiratory muscle strength in cancer patients (subjects).
- Trial name
- NCT03469271
- Testing
- 1,25 (OH)2 D3, Inspiratory isometric resistance training, Threshold Inspiratory Muscle Trainer (IMT)
- Where
- United States
- Volunteers
- 63 people
- Sponsor
- Mayo Clinic
COPD, Asthma
LungVITamin D and OmegA-3 Trial (lungVITAL)
The VITamin D and OmegA-3 TriaL (VITAL; NCT 01169259) is an ongoing randomized clinical trial in 25,871 U.S. men and women investigating whether taking daily dietary supplements of vitamin D3 (2000 IU) or omega-3 fatty acids…
- Conditions
- COPD, Asthma, Pulmonary Function, Pneumonia
- Trial name
- lungVITAL (NCT01728571)
- Testing
- Vitamin D3, fish oil
- Where
- United States
- Volunteers
- 25,871 people, healthy volunteers welcome
- Sponsor
- Brigham and Women's Hospital
Ovarian Cancer, Fallopian Tube Cancer
Vitamin D for Women at Increased Risk of Developing Ovarian, Fallopian, or Primary Peritoneal Cancer
The purpose of this research is to study Vitamin D3 replacement for patients at high risk of developing ovarian, fallopian tube, or peritoneal cancer, and see if the Vitamin D3 replacement may be able to prevent the cancer.
- Conditions
- Ovarian Cancer, Fallopian Tube Cancer, Primary Peritoneal Cancer
- Trial name
- NCT01744821
- Testing
- Arm A: Vitamin D3 Group
- Where
- 2 sites in United States
- Volunteers
- 7 people
- Sponsor
- Northwestern University
Multiple Myeloma Stage I
Therapy With Zoledronic Acid in Patients With Multiple Myeloma Stage I
Multiple myeloma is a disease of B-lymphocytes producing malignant plasma cells. Malignant plasma cells induce osteolytic lesions, which is characteristic for progression of multiple myeloma.
- Trial name
- NCT00171925
- Testing
- Zoledronic acid, Calcium / Vitamin D
- Where
- Germany
- Volunteers
- 143 people
- Sponsor
- Novartis Pharmaceuticals
Acute Respiratory Distress Syndrome, Vitamin D Deficiency
Vitamin D to Improve Outcomes by Leveraging Early Treatment
Vitamin D deficiency is a common, potentially reversible contributor to morbidity and mortality among critically ill patients. We conducted a randomized, double-blind, placebo-controlled, phase 3 trial of early vitamin D3…
- Conditions
- Acute Respiratory Distress Syndrome, Vitamin D Deficiency, Critical Illness
- Trial name
- VIOLET (NCT03096314)
- Testing
- Vitamin D3
- Where
- 47 sites in United States
- Volunteers
- 1,358 people
- Sponsor
- Massachusetts General Hospital
Prostate Adenocarcinoma
Cholecalciferol Supplement in Treating Patients With Localized Prostate Cancer Undergoing Observation
This randomized clinical trial studies how well cholecalciferol supplement works in treating patients with localized prostate cancer undergoing observation.
- Trial name
- NCT00887432
- Testing
- Cholecalciferol, Laboratory Biomarker Analysis, Patient Observation
- Where
- United States
- Volunteers
- 132 people
- Sponsor
- Roswell Park Cancer Institute
Nutrient Deficiency, Happiness
Alii Supplement Study
The goal of this clinical trial is to learn if the Alii Supplement can be used to reduce symptoms related to nutritional depletion in hormonal birth control pill users.
- Conditions
- Nutrient Deficiency, Happiness, Digestive Health, Vulnerability to Disease
- Trial name
- NCT07271316
- Testing
- Alii Supplement
- Where
- United States
- Volunteers
- 16 people
- Sponsor
- Texas Christian University