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vitamin D supplementation on vitamin D stores and their association with calcium excretion

Showing 1 - 25 of >10,000
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Vitamin D Deficiency, Depressive Symptoms Trial in Abha (Vitamin D supplementation)

Completed
  • Vitamin D Deficiency
  • Depressive Symptoms
  • Vitamin D supplementation
  • Abha, Saudi Arabia
    Al Themal Medical Center
Jun 14, 2023

Acute Lymphoblastic Leukemia, Vitamin d Deficiency Trial in Mexico City (?-3 polyunsaturated fatty acids (DHA and EPA), Vitamin

Recruiting
  • Acute Lymphoblastic Leukemia
  • Vitamin d Deficiency
  • ω-3 polyunsaturated fatty acids (DHA and EPA), Vitamin D (cholecalciferol), Calcium (calcium carbonate)
  • Mexico City, Mexico
    Unit of research in Nutrition, Pediatric Hospital, Instituto Mex
Jul 10, 2023

Chronic Tension-Type Headache Trial in Guadalajara (Vitamin D, Calcium)

Recruiting
  • Chronic Tension-Type Headache
  • Vitamin D
  • Calcium
  • Guadalajara, Jalisco, Mexico
    Hospital de Especialidades
May 7, 2023

BPPV, Benign Paroxysmal Positional Vertigo, Vertigo Trial (vitamin D +/- calcium, Placebo)

Not yet recruiting
  • BPPV
  • +7 more
  • vitamin D +/- calcium
  • Placebo
  • (no location specified)
May 8, 2023

Iron-deficiency Trial in Serdang (Vitamin D3-fortified fruit juice supplement)

Active, not recruiting
  • Iron-deficiency
  • Vitamin D3-fortified fruit juice supplement
  • Serdang, Selangor, Malaysia
    Universiti Putra Malaysia
Oct 31, 2022

Frailty, Physical Disability, Aging Trial in Haslev, Ringsted (Vitamin D and calcium)

Completed
  • Frailty
  • +3 more
  • Vitamin D and calcium
  • Haslev, Denmark
  • +1 more
May 17, 2022

Pre-frail Elderly Trial in Jakarta (Cholecalciferol, Placebo)

Completed
  • Pre-frail Elderly
  • Jakarta, DKI Jakarta, Indonesia
    Cipto Mangunkusumo General Hospital
Jan 25, 2023

Healthy Trial in Kuala Lumpur (Placebo, 500 mg calcium, 600 IU vitamin D + 500 mg calcium, 1200 IU vitamin D + 500 mg calcium)

Completed
  • Healthy
  • Placebo, 500 mg calcium
  • +3 more
  • Kuala Lumpur, Wilayah Persekutuan Kuala Lumpur, Malaysia
    International Medical University
Mar 10, 2022

Stress Fracture, Vitamin d Trial in Xi'an (Vitamin D, Calcium, Placebo)

Recruiting
  • Stress Fracture
  • Vitamin d
  • Vitamin D, Calcium
  • Placebo
  • Xi'an, Shanxi, China
    Department of Orthopedics, Xijing Hospital, The Air Force Medica
Dec 22, 2021

Colorectal Cancer Trial in Waco (Vitamin D intervention, Placebo intervention)

Active, not recruiting
  • Colorectal Cancer
  • Vitamin D intervention
  • Placebo intervention
  • Waco, Texas
    Baylor University
May 20, 2022

Vitamin D Supplementation, PreDiabetes, Aging Trial in Delhi (Randomized control trial of vitamin D supplementation)

Recruiting
  • Vitamin D Supplementation
  • +2 more
  • Randomized control trial of vitamin D supplementation
  • Delhi, India
    Fortis-C-DOC Centre of Excellence for Diabetes, Metabolic Diseas
Jul 26, 2022

Parathyroid Hormone, Tenofovir Disoproxil Fumarate, Chronic Hepatitis, B Virus Without Hepatitis Delta (Diagnosis) Trial in

Not yet recruiting
  • Parathyroid Hormone
  • +3 more
  • Ergocalciferol Capsules
  • Calcium carbonate
  • Bangkok Noi, Bangkok, Thailand
    Faculty of Medicine Siriraj Hospital, Mahidol University
Mar 28, 2022

Scoliosis, Spinal Curvatures, Spinal Diseases Trial in Hong Kong (Ca500mg, VitD800IU, Placebo)

Recruiting
  • Scoliosis
  • +4 more
  • Ca500mg
  • +2 more
  • Hong Kong, Hong Kong
    Department of Orthopaedics and Traumatology, Prince of Wales Hos
Mar 11, 2022

Weight Loss, Vitamin D or Placebo Trial in New Brunswick (Weight Loss, Vitamin D 2500 IU, Weight Maintenance)

Completed
  • Weight Loss
  • Vitamin D or Placebo
  • Weight Loss
  • +2 more
  • New Brunswick, New Jersey
    Rutgers University
Jan 28, 2022

Vitamin D Deficiency Trial in Cincinnati, Al-Ain (Prenatal Vitamin, Cholecalciferol (Vitamin D3))

Completed
Has Results
  • Vitamin D Deficiency
  • Prenatal Vitamin
  • Cholecalciferol (Vitamin D3)
  • Cincinnati, Ohio
  • +1 more
Sep 28, 2021

Vitamin D Deficiency in Pregnant Women and Their Fetus in North

Recruiting
  • Vitamin D Deficiency
  • Measuring vitamin D serum level using ELIZA
  • Irbid, Jordan
    King Abdullah University Hospital
Aug 7, 2021

Overweight and Obesity, Vitamin D Deficiency, Magnesium Deficiency Trial in Philadelphia (Vitamin D and magnesium, Vitamin D,

Completed
  • Overweight and Obesity
  • +3 more
  • Vitamin D and magnesium
  • +2 more
  • Philadelphia, Pennsylvania
    Drexel University Nutrition Sciences Research Lab
Sep 23, 2021

Diabetes, Type 2, Kidney Diseases Trial in Amman (Soft gelatin capsules each contains 50 000 IU VD3 (cholecalciferol)

Completed
  • Diabetes Mellitus, Type 2
  • Kidney Diseases
  • Soft gelatin capsules each contains 50 000 IU VD3 (cholecalciferol) equivalents to 1.25 mg.
  • Amman, Jordan
    Mahmoud S Abu-Samak
Feb 23, 2022

New Biomarkers for Measuring Vitamin D Level Trial in Mineola (Vitamin D Supplementation, Placebo, Calcium)

Completed
  • New Biomarkers for Measuring Vitamin D Level
  • Vitamin D Supplementation
  • +2 more
  • Mineola, New York
    Winthrop University Hospital
Oct 20, 2021

Single or Repeat Zoledronate Versus Alendronate Following

Not yet recruiting
  • Osteoporosis, Postmenopausal
  • Zoledronate or Alendronate
  • Thessaloniki, Greece
    424 General Military Hospital
Jan 24, 2023

Periodontitis, Inflammation Trial in Rio de Janeiro (Early PT, Delayed PT, Fortified Milk)

Completed
  • Periodontitis
  • Inflammation
  • Early PT
  • +3 more
  • Rio de Janeiro, Brazil
    Centro Municipal de Saúde de Duque de Caxias & Policlínica Hospi
Jul 27, 2021

Adiposity Trial in Boston (Vitamin D3 (cholecalciferol), 2000 IU per day, omega-3 fatty acids (fish oil))

Active, not recruiting
  • Adiposity
  • Vitamin D3 (cholecalciferol), 2000 IU per day
  • omega-3 fatty acids (fish oil)
  • Boston, Massachusetts
    Brigham and Women's Hospital
Apr 11, 2021

Postmenopausal Osteoporosis Trial in University Park (Dried Plum, Calcium supplement, Vitamin D supplement)

Active, not recruiting
  • Postmenopausal Osteoporosis
  • Dried Plum
  • +2 more
  • University Park, Pennsylvania
    Women's Health and Exercise Laboratories, The Pennsylvania State
Mar 31, 2022

Iron Deficiency, Anaemia in Children Trial in Makassar (Elemental iron, Elemental iron and Vit D)

Completed
  • Iron Deficiency, Anaemia in Children
  • Elemental iron
  • Elemental iron and Vit D
  • Makassar, Sulawesi Selatan, Indonesia
    Universitas Hasanuddin
Nov 22, 2023

Critically Ill Trial in Lahore (Vitamin D, Normal saline)

Completed
  • Critically Ill
  • Vitamin D
  • Normal saline
  • Lahore, Punjab, Pakistan
    King Edward Medical University Lahore
Aug 27, 2020