- Conditions
- Vitamin D Deficiency
- Interventions
- High Dose Vitamin D3, Low Dose Vitamin D3, Placebo
- Dietary Supplement
- Lead sponsor
- University of Wisconsin, Madison
- Other
- Eligibility
- Up to 75 Years · Female only
- Enrollment
- 230 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2010 – 2014
- U.S. locations
- 1
- States / cities
- Madison, Wisconsin
Search Results
Search by objective public record fields.
Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results come from ClinicalTrials.gov. When the live registry is unavailable, a clearly labeled stored copy may be shown.
These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Showing 1–24
of 101
matching trials from the live ClinicalTrials.gov search.
- Conditions
- Postmenopausal, Vitamin D Deficiency
- Interventions
- Dual isotope technique
- Other
- Lead sponsor
- Winthrop University Hospital
- Other
- Eligibility
- 50 Years to 70 Years · Female only
- Enrollment
- 76 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2010 – 2013
- U.S. locations
- 1
- States / cities
- Mineola, New York
- Conditions
- HIV Infections
- Interventions
- Alendronate, Calcium carbonate, Vitamin D
- Drug
- Lead sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
- NIH
- Eligibility
- 25 Years and older
- Enrollment
- 80 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- Ends 2006
- U.S. locations
- 28
- States / cities
- Birmingham, Alabama • Los Angeles, California • San Diego, California + 17 more
- Conditions
- HIV Infections, Cancer, Pain
- Interventions
- Ziconotide
- Drug
- Lead sponsor
- Neurex
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 100 participants
- Healthy volunteers
- Healthy volunteers not accepted
- U.S. locations
- 44
- States / cities
- Huntsville, Alabama • Mobile, Alabama • Northport, Alabama + 38 more
- Conditions
- Renal Osteodystrophy
- Interventions
- Not listed
- Lead sponsor
- Hartmut Malluche, MD
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 464 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2014
- U.S. locations
- 1
- States / cities
- Lexington, Kentucky
- 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
- Osteoporosis, Aging
- Interventions
- Vitamin D3, Calcium Citrate (Citracal)
- Dietary Supplement
- Lead sponsor
- Creighton University
- Other
- Eligibility
- 57 Years and older · Female only
- Enrollment
- 273 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2007 – 2011
- U.S. locations
- 1
- States / cities
- Omaha, Nebraska
- Conditions
- X-linked Hypophosphatemia
- Interventions
- burosumab, Placebo
- Biological · Other
- Lead sponsor
- Kyowa Kirin, Inc.
- Industry
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 134 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2015 – 2018
- U.S. locations
- 8
- States / cities
- Los Angeles, California • San Francisco, California • New Haven, Connecticut + 5 more
- Conditions
- DiGeorge Anomaly, DiGeorge Syndrome, Complete DiGeorge Anomaly, Complete DiGeorge Syndrome
- Interventions
- Cultured Thymus Tissue Implantation (CTTI), Cultured Thymus Tissue Implantation with Parathyroid Transplantation
- Biological · Other
- Lead sponsor
- Sumitomo Pharma Switzerland GmbH
- Industry
- Eligibility
- Not listed
- Enrollment
- 7 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2004 – 2019
- U.S. locations
- 1
- States / cities
- Durham, North Carolina
- Conditions
- X-linked Hypophosphatemia
- Interventions
- burosumab
- Biological
- Lead sponsor
- Kyowa Kirin, Inc.
- Industry
- Eligibility
- 5 Years to 12 Years
- Enrollment
- 52 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2014 – 2018
- U.S. locations
- 4
- States / cities
- San Francisco, California • New Haven, Connecticut • Indianapolis, Indiana + 1 more
- Conditions
- Cytomegalovirus Infections, HIV Infections, Hypocalcemia
- Interventions
- Magnesium sulfate, Foscarnet sodium
- Drug
- Lead sponsor
- Astra USA
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 12 participants
- Healthy volunteers
- Healthy volunteers not accepted
- U.S. locations
- 1
- States / cities
- Oklahoma City, Oklahoma
- Conditions
- Hypocalcemia, Pseudohypoparathyroidism, Osteomalacia, Rickets, Pseudopseudohpoparathyroidism
- Interventions
- Not listed
- Lead sponsor
- National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
- NIH
- Eligibility
- 2 Months to 100 Years
- Enrollment
- 70 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 1997 – 2022
- U.S. locations
- 1
- States / cities
- Bethesda, Maryland
- Conditions
- Osteomalacia
- Interventions
- Osteomalacia
- Drug
- Lead sponsor
- National Institute of Dental and Craniofacial Research (NIDCR)
- NIH
- Eligibility
- 18 Years to 70 Years
- Enrollment
- 1 participant
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2016
- U.S. locations
- 1
- States / cities
- Bethesda, Maryland
- Conditions
- Hypophosphatemia, Rickets, Hypercalciuria, XLH, HHRH
- Interventions
- phosphate
- Drug
- Lead sponsor
- Yale University
- Other
- Eligibility
- 13 Years and older
- Enrollment
- 30 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019 – 2028
- U.S. locations
- 1
- States / cities
- New Haven, Connecticut
- Conditions
- Heart Failure, Vitamin D Deficiency, Cardiomyopathy, Congestive Heart Failure
- Interventions
- Placebo Comparator: Sugar Pill, Vitamin D3 (cholecalciferol)
- Drug
- Lead sponsor
- Heidi Moretti, MS, RD
- Other
- Eligibility
- Not listed
- Enrollment
- 40 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2015
- U.S. locations
- 2
- States / cities
- Missoula, Montana
- Conditions
- Chronic Kidney Disease, End Stage Kidney Disease, Chronic Kidney Disease Mineral and Bone Disorder, Renal Osteodystrophy, Secondary Hyperparathyroidism
- Interventions
- Kidney disease
- Other
- Lead sponsor
- Columbia University
- Other
- Eligibility
- 40 Years and older
- Enrollment
- 50 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2016 – 2020
- U.S. locations
- 1
- States / cities
- New York, New York
- Conditions
- Ergocalciferol
- Interventions
- Ergocalciferol
- Drug
- Lead sponsor
- Wake Forest University Health Sciences
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 44 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2019 – 2020
- U.S. locations
- 1
- States / cities
- Winston-Salem, North Carolina
- Conditions
- Pseudohypoparathyroidism Type 1A, Albright Hereditary Osteodystrophy, Pseudopseudohypoparathyroidism
- Interventions
- Neurocognitive and psychosocial testing
- Behavioral
- Lead sponsor
- Connecticut Children's Medical Center
- Other
- Eligibility
- 2 Months to 89 Years
- Enrollment
- 600 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2003 – 2030
- U.S. locations
- 1
- States / cities
- Hartford, Connecticut
- Conditions
- Hypophosphatasia
- Interventions
- asfotase alfa
- Biological
- Lead sponsor
- Alexion Pharmaceuticals, Inc.
- Industry
- Eligibility
- 24 Weeks to 42 Months
- Enrollment
- 10 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2016
- U.S. locations
- 5
- States / cities
- Wilmington, Delaware • Springfield, Missouri • Omaha, Nebraska + 2 more
- Conditions
- Metabolic Bone Disease, Osteopenia, Neonatal Rickets
- Interventions
- Vibro-acoustic analysis (VAA), based on ultrasound radiation force
- Diagnostic Test
- Lead sponsor
- Mayo Clinic
- Other
- Eligibility
- 3 Days to 8 Months
- Enrollment
- 37 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2024
- U.S. locations
- 1
- States / cities
- Rochester, Minnesota
- Conditions
- HIV Infection, Bone Mass
- Interventions
- cholecalciferol plus calcium carbonate
- Dietary Supplement
- Lead sponsor
- National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
- NIH
- Eligibility
- 6 Years to 16 Years
- Enrollment
- 59 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2003 – 2006
- U.S. locations
- 1
- States / cities
- New York, New York
- Conditions
- Rothmund-Thomson Syndrome
- Interventions
- Calcium stable isotope
- Other
- Lead sponsor
- Baylor College of Medicine
- Other
- Eligibility
- 4 Years and older
- Enrollment
- 29 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2017
- U.S. locations
- 1
- States / cities
- Houston, Texas
- Conditions
- Tumor Induced Osteomalcia, Osteomalacia, Familial Tumoral Calcinosis
- Interventions
- Not listed
- Lead sponsor
- National Institute of Dental and Craniofacial Research (NIDCR)
- NIH
- Eligibility
- 1 Day to 100 Years
- Enrollment
- 1,000 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- Started 2001
- U.S. locations
- 1
- States / cities
- Bethesda, Maryland
- Conditions
- Hypophosphatasia (HPP)
- Interventions
- Not listed
- Lead sponsor
- Alexion Pharmaceuticals, Inc.
- Industry
- Eligibility
- 5 Years and older
- Enrollment
- 32 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2014
- U.S. locations
- 9
- States / cities
- Atlanta, Georgia • Indianapolis, Indiana • Boston, Massachusetts + 6 more