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Conditions: Obesity, Vitamin D Deficiency, Hypertension
Interventions: Vitamin D (cholecalciferol); Dietary Supplement
Lead sponsor: Brigham and Women's Hospital; Other
Eligibility: 18 Years to 64 Years
Enrollment: 26 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2010 – 2011
U.S. locations: 1
States / cities: Boston, Massachusetts

Conditions: Spinal Muscular Atrophy, Fragile X Syndrome, Fragile X - Premutation, Duchenne Muscular Dystrophy, Hyperinsulinemic Hypoglycemia, Familial 1, Diabetes Mellitus, Adrenoleukodystrophy, Neonatal, Medium-chain Acyl-CoA Dehydrogenase Deficiency, Very Long Chain Acyl Coa Dehydrogenase Deficiency, Beta-ketothiolase Deficiency, Severe Combined Immunodeficiency Due to Adenosine Deaminase Deficiency, Primary Hyperoxaluria Type 1, Congenital Bile Acid Synthesis Defect Type 2, Pyridoxine-Dependent Epilepsy, Hereditary Fructose Intolerance, Hypophosphatasia, Hyperargininemia, Mucopolysaccharidosis Type 6, Argininosuccinic Aciduria, Citrullinemia, Type I, Wilson Disease, Maple Syrup Urine Disease, Type 1A, Maple Syrup Urine Disease, Type 1B, Biotinidase Deficiency, Neonatal Severe Primary Hyperparathyroidism, Intrinsic Factor Deficiency, Usher Syndrome Type 1D/F Digenic (Diagnosis), Cystic Fibrosis, Stickler Syndrome Type 2, Stickler Syndrome Type 1, Alport Syndrome, Autosomal Recessive, Alport Syndrome, X-Linked, Carbamoyl Phosphate Synthetase I Deficiency Disease, Carnitine Palmitoyl Transferase 1A Deficiency, Carnitine Palmitoyltransferase II Deficiency, Cystinosis, Chronic Granulomatous Disease, Cerebrotendinous Xanthomatoses, Maple Syrup Urine Disease, Type 2, Severe Combined Immunodeficiency Due to DCLRE1C Deficiency, Thyroid Dyshormonogenesis 6, Thyroid Dyshormonogenesis 5, Supravalvar Aortic Stenosis, Factor X Deficiency, Hemophilia A, Hemophilia B, Tyrosinemia, Type I, Fructose 1,6 Bisphosphatase Deficiency, Glycogen Storage Disease Type I, G6PD Deficiency, Glycogen Storage Disease II, Galactokinase Deficiency, Mucopolysaccharidosis Type IV A, Galactosemias, Guanidinoacetate Methyltransferase Deficiency, Agat Deficiency, Glutaryl-CoA Dehydrogenase Deficiency, Gtp Cyclohydrolase I Deficiency, Hyperinsulinism-Hyperammonemia Syndrome, Primary Hyperoxaluria Type 2, 3-Hydroxyacyl-CoA Dehydrogenase Deficiency, Long-chain 3-hydroxyacyl-CoA Dehydrogenase Deficiency, Mitochondrial Trifunctional Protein Deficiency, Sickle Cell Disease, Beta-Thalassemia, Holocarboxylase Synthetase Deficiency, 3-Hydroxy-3-Methylglutaric Aciduria, Primary Hyperoxaluria Type 3, Hermansky-Pudlak Syndrome 1, Hermansky-Pudlak Syndrome 4, Apparent Mineralocorticoid Excess, HSDB, CBAS1, Mucopolysaccharidosis Type 2, Mucopolysaccharidosis Type 1, Severe Combined Immunodeficiency, X Linked, Severe Combined Immunodeficiency Due to IL-7Ralpha Deficiency, Diabetes Mellitus, Permanent Neonatal, Isovaleric Acidemia, Severe Combined Immunodeficiency T-Cell Negative B-Cell Positive Due to Janus Kinase-3 Deficiency (Disorder), Jervell and Lange-Nielsen Syndrome 2, Hyperinsulinemic Hypoglycemia, Familial, 2, Diabetes Mellitus, Permanent Neonatal, With Neurologic Features, Jervell and Lange-Nielsen Syndrome 1, Lysosomal Acid Lipase Deficiency, CblF, 3-Methylcrotonyl CoA Carboxylase 1 Deficiency, 3-Methylcrotonyl CoA Carboxylase 2 Deficiency, Waardenburg Syndrome Type 2A, Methylmalonic Aciduria cblA Type, Methylmalonic Aciduria cblB Type, Methylmalonic Aciduria and Homocystinuria Type cblC, MAHCD, Methylmalonic Aciduria Due to Methylmalonyl-CoA Mutase Deficiency, Congenital Disorder of Glycosylation Type 1B, Mthfr Deficiency, Methylcobalamin Deficiency Type Cbl G (Disorder), Methylcobalamin Deficiency Type cblE, Usher Syndrome, Type 1B, N-acetylglutamate Synthase Deficiency, Ornithine Transcarbamylase Deficiency, Phenylketonurias, Waardenburg Syndrome Type 1, Congenital Hypothyroidism, Propionic Acidemia, Usher Syndrome, Type 1F, Pancreatic Agenesis 1, Hereditary Hypophosphatemic Rickets, Glycogen Storage Disease IXB, Glycogen Storage Disease IXC, MOWS, Epilepsy, Early-Onset, Vitamin B6-Dependent, Pyridoxal Phosphate-Responsive Seizures, Pituitary Hormone Deficiency, Combined, 1, Ptsd, Dihydropteridine Reductase Deficiency, Severe Combined Immunodeficiency Due to RAG1 Deficiency, Severe Combined Immunodeficiency Due to RAG2 Deficiency, Retinoblastoma, Multiple Endocrine Neoplasia Type 2B, Pseudohypoaldosteronism, Type I, Liddle Syndrome, Biotin-Responsive Basal Ganglia Disease, SCD, DIAR1, GSD1C, Acrodermatitis Enteropathica, Thyroid Dyshormonogenesis 1, Riboflavin Transporter Deficiency, Waardenburg Syndrome, Type 2E, SRD, Congenital Lipoid Adrenal Hyperplasia Due to STAR Deficiency, Barth Syndrome, Adrenocorticotropic Hormone Deficiency, Transcobalamin II Deficiency, Thyroid Dyshormonogenesis 3, Segawa Syndrome, Autosomal Recessive, Autosomal Recessive Nonsyndromic Hearing Loss, Thyroid Dyshormonogenesis 2A, Congenital Isolated Thyroid Stimulating Hormone Deficiency, Hypothyroidism Due to TSH Receptor Mutations, Usher Syndrome Type 1C, Usher Syndrome Type 1G (Diagnosis), Von Willebrand Disease, Type 3, Combined Immunodeficiency Due to ZAP70 Deficiency, Adenine Phosphoribosyltransferase Deficiency, Metachromatic Leukodystrophy, Canavan Disease, Menkes Disease, Carbonic Anhydrase VA Deficiency, Developmental and Epileptic Encephalopathy 2, 17 Alpha-Hydroxylase Deficiency, Smith-Lemli-Opitz Syndrome, Krabbe Disease, Glutathione Synthetase Deficiency, Mucopolysaccharidosis Type 7, Rett Syndrome, Molybdenum Cofactor Deficiency, Type A, Niemann-Pick Disease, Type C1, Niemann-Pick Disease Type C2, Ornithine Aminotransferase Deficiency, 3-Phosphoglycerate Dehydrogenase Deficiency, Leber Congenital Amaurosis 2, Dravet Syndrome, Mucopolysaccharidosis Type 3 A, Ornithine Translocase Deficiency, Carnitine-acylcarnitine Translocase Deficiency, Glucose Transporter Type 1 Deficiency Syndrome, Creatine Transporter Deficiency, Niemann-Pick Disease Type A, Pitt Hopkins Syndrome, Tuberous Sclerosis 1, Tuberous Sclerosis 2, Ataxia With Isolated Vitamin E Deficiency, Angelman Syndrome, Prader-Willi Syndrome, Homocystinuria, Permanent Neonatal Diabetes Mellitus, Transient Neonatal Diabetes Mellitus, Factor VII Deficiency, Glycogen Storage Disease Type IXA1, Glycogen Storage Disease, Type IXA2, Glycogen Storage Disease IC, Glycogen Storage Disease Type IB, Central Hypoventilation Syndrome With or Without Hirschsprung Disease
Interventions: Confirmatory Testing; Diagnostic Test
Lead sponsor: RTI International; Other
Eligibility: 1 Day to 31 Days
Enrollment: 30,000 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2018 – 2026
U.S. locations: 1
States / cities: Research Triangle Park, North Carolina

Conditions: Chronic Kidney Disease, Hyperparathyroidism, Secondary, Vitamin D Deficiency
Interventions: CTAP101 30 μg capsules, Sugar pill to CTAP101 30 μg capsules; Drug · Other
Lead sponsor: OPKO IP Holdings II, Inc.; Industry
Eligibility: 18 Years and older
Enrollment: 216 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2012 – 2014
U.S. locations: 1
States / cities: Bannockburn, Illinois

Conditions: Diabetes Mellitus, Vitamin D Deficiency
Interventions: Vitamin D; Dietary Supplement
Lead sponsor: Ascension Health; Industry
Eligibility: 34 Years to 69 Years
Enrollment: 150 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2011 – 2012
U.S. locations: 1
States / cities: Flint, Michigan

Conditions: Multiple Myeloma
Interventions: Lenalidomide, Maintenance Vitamin D, No maintenance Vitamin D; Drug
Lead sponsor: Amany Keruakous, MD, MS.; Other
Eligibility: 18 Years and older
Enrollment: 100 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2024 – 2028
U.S. locations: 1
States / cities: Augusta, Georgia

Conditions: Osteoporosis, Osteopenia, Vitamin D Deficiency, Hypoparathyroidism, Hypercalciuria, Hypercalcemia
Interventions: Vitamin D; Drug
Lead sponsor: University of Wisconsin, Madison; Other
Eligibility: 50 Years to 66 Years · Female only
Enrollment: 19 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2005 – 2008
U.S. locations: 1
States / cities: Madison, Wisconsin

Conditions: Vitamin D Deficiency
Interventions: Vitamin D2, Placebo; Drug
Lead sponsor: NYU Langone Health; Other
Eligibility: 12 Years to 18 Years
Enrollment: 20 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2013 – 2015
U.S. locations: 1
States / cities: New York, New York

Conditions: Vitamin D Deficiency, Rickets, Infant Nutrition Disorders
Interventions: Vitamin D3; Dietary Supplement
Lead sponsor: Mayo Clinic; Other
Eligibility: 1 Month to 50 Years
Enrollment: 80 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2010 – 2011
U.S. locations: 1
States / cities: Rochester, Minnesota

Conditions: Atopic Dermatitis, Vitamin D Deficiency, Asthma
Interventions: Not listed
Lead sponsor: Medical College of Wisconsin; Other
Eligibility: 1 Year to 18 Years
Enrollment: 98 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2010 – 2013
U.S. locations: 1
States / cities: Milwaukee, Wisconsin

Conditions: Vitamin D Deficiency
Interventions: Vitamin D2 in orange juice, Vitamin D3 in orange juice, Vitamin D2, Vitamin D3, Placebo; Dietary Supplement · Other
Lead sponsor: Boston University; Other
Eligibility: 18 Years and older
Enrollment: 86 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2006 – 2007
U.S. locations: 1
States / cities: Boston, Massachusetts

Conditions: Nutritional Deficiency, Insomnia
Interventions: Sugar Pill, magnesium; Dietary Supplement
Lead sponsor: USDA Grand Forks Human Nutrition Research Center; Federal
Eligibility: 51 Years and older
Enrollment: 111 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2008
U.S. locations: 1
States / cities: Grand Forks, North Dakota

Conditions: Chronic Kidney Disease Mineral and Bone Disorder, Renal Osteodystrophy, Vascular Calcification, Hyperparathyroidism; Secondary, Renal
Interventions: Etelcalcetide; Drug
Lead sponsor: Thomas Nickolas, MD MS; Other
Eligibility: 18 Years and older
Enrollment: 22 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2018 – 2020
U.S. locations: 1
States / cities: New York, New York

Conditions: Hot Flushes, Menopause, Premature, Obesity, Vitamin D Deficiency
Interventions: Vitamin D, Placebo; Dietary Supplement · Other
Lead sponsor: Kaiser Permanente; Other
Eligibility: 40 Years to 60 Years · Female only
Enrollment: 23 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2010 – 2012
U.S. locations: 1
States / cities: Portland, Oregon

Conditions: Hypophosphatasia (HPP)
Interventions: Asfotase Alfa; Biological
Lead sponsor: Alexion Pharmaceuticals, Inc.; Industry
Eligibility: 18 Years to 80 Years
Enrollment: 6 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2008 – 2009
U.S. locations: 2
States / cities: St Louis, Missouri • Durham, North Carolina

Conditions: Growth Disorders, Dietary Exposure, Child Development, Bone Development Abnormal, Body Weight, Child Malnutrition
Interventions: TruHeight Growth Protein Shake; Dietary Supplement
Lead sponsor: TruHeight Vitamins; Industry
Eligibility: 4 Years to 17 Years
Enrollment: 32 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2023
U.S. locations: 1
States / cities: San Francisco, California

Conditions: Primary Hyperparathyroidism, Hypercalcemia, Vitamin D Deficiency, Osteoporosis, Osteopenia
Interventions: Placebo, Vitamin D3; Dietary Supplement
Lead sponsor: Columbia University; Other
Eligibility: 45 Years and older
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2010 – 2015
U.S. locations: 1
States / cities: New York, New York

Conditions: Vitamin D Deficiency
Interventions: Vitamin D; Dietary Supplement
Lead sponsor: Children's Hospital Medical Center, Cincinnati; Other
Eligibility: Not listed
Enrollment: 10 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2016 – 2017
U.S. locations: 1
States / cities: Cincinnati, Ohio

Conditions: Iron Absorption
Interventions: Exercise test; Other
Lead sponsor: Pennington Biomedical Research Center; Other
Eligibility: 18 Years to 45 Years
Enrollment: 6 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2025 – 2026
U.S. locations: 1
States / cities: Baton Rouge, Louisiana

Conditions: Vitamin A Deficiency
Interventions: Vitamin A supplement, Placebo; Dietary Supplement
Lead sponsor: University of Wisconsin, Madison; Other
Eligibility: 19 Years to 30 Years · Female only
Enrollment: 70 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2008 – 2009
U.S. locations: 1
States / cities: Madison, Wisconsin

Conditions: Sickle Cell Anemia, Severe Acute Malnutrition
Interventions: hydroxyurea (20mg/kg/day), Ready-to-use therapeutic food; Drug · Dietary Supplement
Lead sponsor: Vanderbilt University Medical Center; Other
Eligibility: 5 Years to 12 Years
Enrollment: 132 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2021 – 2022
U.S. locations: 1
States / cities: Nashville, Tennessee

Conditions: Malnutrition, Sarcopenia
Interventions: Not listed
Lead sponsor: The University of Texas Medical Branch, Galveston; Other
Eligibility: 65 Years and older
Enrollment: 190 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2015 – 2024
U.S. locations: 1
States / cities: Galveston, Texas

Conditions: Vitamin D Deficiency
Interventions: 400 IU Vitamin D3 (cholecalciferol), 2400 IU Vitamin D3 (cholecalciferol), 6400 IU Vitamin D3 (cholecalciferol); Drug
Lead sponsor: Medical University of South Carolina; Other
Eligibility: 18 Years to 45 Years · Female only
Enrollment: 460 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2006 – 2012
U.S. locations: 2
States / cities: Rochester, New York • Charleston, South Carolina

Conditions: Amyotrophic Lateral Sclerosis
Interventions: Oxepa, Jevity 1.5, Jevity 1.0; Dietary Supplement
Lead sponsor: Massachusetts General Hospital; Other
Eligibility: 18 Years and older
Enrollment: 28 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2009 – 2013
U.S. locations: 13
States / cities: Phoenix, Arizona • Irvine, California • San Francisco, California + 10 more

Conditions: Obesity, Appetite, Healthy Volunteers
Interventions: Not listed
Lead sponsor: National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK); NIH
Eligibility: 18 Years to 50 Years · Male only
Enrollment: 5 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2013 – 2015
U.S. locations: 1
States / cities: Bethesda, Maryland

Search by objective public record fields.

Vitamin D Supplementation Reduces Renin-Angiotensin System Activity in Obesity

Early Check: Expanded Screening in Newborns

Safety and Efficacy of CTAP101 to Treat Secondary Hyperparathyroidism in Stage 3 or 4 CKD and Vitamin D Insufficiency

Effect of Vitamin D Supplementation on Hemoglobin A1c

VitD3 Supplementation in Patients With Multiple Myeloma

Does Treatment of Hypovitaminosis D Increase Calcium Absorption?

Efficacy of Vitamin D Therapy on Glucose Homeostasis in Obese Adolescents

Vitamin D Supplementation in Breastfeeding Women

Asthma, Missed Immunizations, and Vitamin D Deficiency in Atopic Dermatitis

Availability of Vitamin D in Orange Juice

Magnesium Nutrition and Sleep Behavior in Older Adults

The Effect of Etelcalcetide on CKD-MBD

The Role of Vitamin D in Menopause: Relationship to Menopausal Symptoms in Body Composition

Safety Study of Human Recombinant Tissue Non-Specific Alkaline Phosphatase Fusion Protein Asfotase Alfa in Adults With Hypophosphatasia (HPP)

Evaluating the Effects of an Oral Protein Supplement on Children's Growth Patterns

Primary Hyperparathyroidism (PHPT): Early Effect of Vitamin D

High Dose Vitamin D Replacement in Patients Undergoing Hematopoietic Stem Cell Transplantation

The Effects of Acute Erythropoietin on Hepcidin and Dietary Iron Absorption Following Military-relevant Exercise in Energy Deficit: Pilot Study

Estimating Average Vitamin A Requirements in Indonesian and American Women

Management of Severe Acute Malnutrition in SCD, in Northern Nigeria

Prevalence of Malnutrition and/or Sarcopenia at Hospital Admission

Establishing the Vitamin D Requirements During Lactation

High Fat/High Calorie Trial in Amyotrophic Lateral Sclerosis

Study of the Effect of a Very-Low-Carbohydrate Diet on Energy Expenditure