Clinical trials: Vitamin D
Gastric Bypass, Parathyroid Hormone
Trial Of Paricalcitol and Cholecalciferol(Vitamin D3) in the Treatment Of Secondary Hyperparathyroidism in Patients After ROUX-EN-Y Gastric Bypass Surgery
Evaluate the efficacy of paricalcitol, cholecalciferol, and placebo in the reduction of parathyroid hormone in patients after Roux-en-Y gastric bypass surgery (RYGB).
- Trial name
- ExtenD (NCT01138475)
- Testing
- Paricalcitol, Cholecalciferol
- Where
- United States
- Volunteers
- 49 people, healthy volunteers welcome
- Sponsor
- Kerstyn C. Zalesin, M.D.
PCOS, Depression
Metformin, Vitamin D, and Depression in Polycystic Ovary Syndrome (PCOS) Trial
Open-label randomized clinical trial assessing the efficacy of Metformin versus Vitamin D in improving symptoms of depressed mood in polycystic ovary syndrome.
- Conditions
- PCOS, Depression, Vitamin D Deficiency, Insulin Resistance
- Trial name
- MINDD (NCT03380091)
- Testing
- Metformin, Vitamin D
- Where
- United States
- Volunteers
- 5 people, healthy volunteers welcome
- Sponsor
- University of California, San Francisco
Osteoporosis
FOSAMAX PLUS and FOSAMAX PLUS D Re-examination Study (0217A-267)
This survey is conducted for preparing application materials for re-examination under the Pharmaceutical Affairs Laws and its Enforcement Regulation, its aim is to reconfirm the clinical usefulness of FOSAMAX PLUS / FOSAMAX PLUS…
- Trial name
- NCT01065779
- Testing
- FOSAMAX PLUS, FOSAMAX PLUS D
- Volunteers
- 880 people
- Sponsor
- Organon and Co
Actinic Keratosis
Potential Impact of Patient Vitamin D Status in AK Response to MAL-PDT
In topical photodynamic therapy (PDT) for non-melanoma skin cancers, a photosensitizing prodrug, 5-aminolaevulinic acid (ALA) or its methylated ester, methyl aminolevulinate (MAL), is converted to the endogenous photosensitizer…
- Trial name
- PDT (NCT02878382)
- Testing
- Conventional MAL-PDT, Calcipotriol assisted MAL-PDT
- Where
- 2 sites in Brazil
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of Sao Paulo
Musculoskeletal Pain
Vitamin D to ENhance TraUma REcovery
The main objective of this study is to determine whether the administration of a single dose of Vitamin D in the Emergency Department following a motor vehicle collision can improve musculoskeletal pain severity as well as reduce…
- Trial name
- VENTURE (NCT05458024)
- Testing
- Vitamin D 2
- Where
- 4 sites in United States
- Volunteers
- 71 people, healthy volunteers welcome
- Sponsor
- University of North Carolina, Chapel Hill
Healthy, no Evidence of Disease
Cholecalciferol and Flu Vaccine in Treating Healthy Participants
This randomized clinical trial studies cholecalciferol and flu vaccine in treating healthy participants. Cholecalciferol may increase the immunologic response of flu vaccine in healthy participants.
- Trial name
- NCT01561989
- Testing
- cholecalciferol, questionnaire administration, trivalent influenza vaccine
- Where
- United States
- Volunteers
- 11 people, healthy volunteers welcome
- Sponsor
- Roswell Park Cancer Institute
Frailty
Prehabilitation of Veterans With Exercise and Nutrition
The goal of VA's RR\&D office is to maximize functional recovery. This proposal will allow the investigators to test an intervention that combines the fundamentals of Physical Medicine and Rehabilitation with state-of-the-art…
- Trial name
- PREVENT (NCT04485611)
- Testing
- Supervised aerobic + resistance training and nutritional support
- Where
- United States
- Volunteers
- 20 people
- Sponsor
- VA Office of Research and Development
Fracture
Optimal Vitamin D3 Supplementation Strategies for Acute Fracture Healing
The objective is to determine the effect of vitamin D3 supplementation on fracture healing at 3 months.
- Trial name
- Vita-Shock (NCT02786498)
- Testing
- Vitamin D3
- Where
- 2 sites in United States, Canada
- Volunteers
- 102 people
- Sponsor
- University of Maryland, Baltimore
Prostate Cancer
Effect Of Risedronate On Bone Mass In Older Men Receiving Neoadjuvant Therapy For Prostate Cancer
Men treated with neoadjuvant luteinizing hormone-releasing hormone (LHRH)-agonists such as leuprolide and goserelin for prostate cancer will become hypogonadal due to hormonal suppression and demonstrate increased bone turnover…
- Trial name
- NCT00859027
- Testing
- risedronate
- Where
- United States
- Volunteers
- 50 people
- Sponsor
- UConn Health
Contiguous Stage II Small Lymphocytic Lymphoma, Noncontiguous Stage II Small Lymphocytic Lymphoma
Curcumin and Cholecalciferol in Treating Patients With Previously Untreated Stage 0-II Chronic Lymphocytic Leukemia or Small Lymphocytic Lymphoma
This phase II trial studies the efficacy (activity), and tolerability of curcumin and cholecalciferol combination in treating patients with previously untreated stage 0-II chronic lymphocytic leukemia or small lymphocytic…
- Conditions
- Contiguous Stage II Small Lymphocytic Lymphoma, Noncontiguous Stage II Small Lymphocytic Lymphoma, Stage 0 Chronic Lymphocytic Leukemia, Stage I Chronic Lymphocytic Leukemia
- Trial name
- NCT02100423
- Testing
- curcumin, cholecalciferol, laboratory biomarker analysis
- Where
- United States
- Volunteers
- 35 people
- Sponsor
- Paolo Caimi, MD
Obesity, Morbid, Gastric Bypass
Effects of Gastric Bypass Surgery and Calcium Metabolism and the Skeleton
Obesity is a chronic illness of staggering proportions. Because weight loss through diet and exercise is difficult to attain and maintain, there has been escalating interest in bariatric surgery, including Roux-en-Y gastric…
- Trial name
- NCT01330914
- Where
- United States
- Volunteers
- 55 people
- Sponsor
- VA Office of Research and Development
Breast Cancer
Vitamin D Supplementation in Women With DCIS and/or LCIS
The purpose of this study is to determine the safety and usefulness of oral Vitamin D supplementation in subjects with in situ carcinoma.
- Trial name
- NCT02936999
- Testing
- Cholecalciferol
- Where
- United States
- Volunteers
- 8 people
- Sponsor
- Inova Health Care Services
Inflammatory Bowel Disease, Crohn's Disease
Vitamin D Levels in Children With IBD
Research has shown that children with Inflammatory Bowel Disease may have lower levels of vitamin D than healthy children, especially in the winter.
- Conditions
- Inflammatory Bowel Disease, Crohn's Disease, Ulcerative Colitis
- Trial name
- NCT00621257
- Testing
- ergocalciferol, Cholecalciferol
- Where
- United States
- Volunteers
- 134 people
- Sponsor
- Boston Children's Hospital
Non Small Cell Lung Cancer
Phase I/II Calcitriol in Lung Cancer
According to the Cancer Atlas, lung cancer remains the major cancer among the 10.9 million new cases of cancer diagnosed annually worldwide.
- Trial name
- NCT00794547
- Testing
- Calcitriol
- Where
- 4 sites in United States
- Volunteers
- 34 people
- Sponsor
- University of Michigan Rogel Cancer Center
Vitamin D Deficiency
Safety of Vitamin D Supplementation in Older Persons
This study will evaluate the safety over 6 months of two different doses of vitamin D (cholecalciferol) in men and women age 65 and older. It will also evaluate if supplementation with vitamin D improves physical performance.
- Trial name
- NCT00681590
- Testing
- cholecalciferol (vitamin D)
- Where
- United States
- Volunteers
- 105 people, healthy volunteers welcome
- Sponsor
- University of Miami
Kidney Failure, Secondary Hyperparathyroidism
Management of Mineral and Bone Disease in Hemodialysis-Calcitriol vs. Paricalcitol
The purpose of this non-inferiority study is to compare the safety and effectiveness of a mineral and bone disease treatment protocol based on calcitriol to one based on paricalcitol in hemodialysis patients using revised Kidney…
- Conditions
- Kidney Failure, Secondary Hyperparathyroidism, Hyperphosphatemia, Hypercalcemia
- Trial name
- ECRIP (NCT01725113)
- Testing
- Calcitriol, Paricalcitol
- Where
- United States
- Volunteers
- 16 people
- Sponsor
- Winthrop University Hospital
Impaired Fasting Glucose, Impaired Glucose Tolerance
D Vitamin Intervention in VA
This study will supplement African American male (AAM) veterans at risk for diabetes and newly diagnosed T2DM with vitamin D (low or higher dose) and evaluate whether vitamin D helps to improve early markers of diabetes.
- Conditions
- Impaired Fasting Glucose, Impaired Glucose Tolerance, Vitamin D Insufficiency
- Trial name
- DIVA (NCT01375660)
- Testing
- 50K vitamin D2
- Where
- United States
- Volunteers
- 205 people
- Sponsor
- US Department of Veterans Affairs
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
Known or Suspected Focal Liver Lesions, Severe Renal Impairment
Safety and Diagnostic Efficacy of Mangoral in Participants With Focal Liver Lesions and Reduced Kidney Function
The overall objective of this study is to evaluate the safety and diagnostic efficacy of Mangoral in liver MRI in participants with known or suspected focal liver lesions and severe renal impairment.
- Trial name
- SPARKLE (NCT04119843)
- Testing
- Mangoral
- Where
- 60 sites in United States, Argentina and 8 more
- Volunteers
- 87 people
- Sponsor
- Ascelia Pharma AB
Fatty Liver
Treatment for Non-Alcoholic Fatty Liver With Different Doses of Vitamin E
Background: Non-alcoholic fatty liver disease (NAFLD) is an excess accumulation of fat in the liver cells. It is associated with obesity, high blood pressure, high cholesterol, and diabetes.
- Trial name
- NCT01792115
- Testing
- Vitamin E 200 IU/d, Vitamin E 400 IU/d, Vitamin E 800 IU/d
- Where
- United States
- Volunteers
- 22 people
- Sponsor
- National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)