- Conditions
- Hyperphosphatemia
- Interventions
- Niacinamide, Placebo
- Drug
- Lead sponsor
- Washington University School of Medicine
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 17 participants
- Timeline
- 2006 – 2007
- U.S. locations
- 1
- States / cities
- St Louis, Missouri
Search Results
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Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.
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Showing 1–24
of 101
matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
- Conditions
- Gingival Recession, Generalized, Gingival Recession Generalized Moderate, Gingival Recession Localized Moderate, Tooth Sensitivity
- Interventions
- Calcium hydroxylapatite
- Device
- Lead sponsor
- American Academy of Facial Esthetics
- Network
- Eligibility
- 20 Years to 70 Years
- Enrollment
- 500 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2025
- U.S. locations
- 1
- States / cities
- South Euclid, Ohio
- 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
- 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
- Autosomal Dominant Hypophosphatemic Rickets
- Interventions
- Iron
- Dietary Supplement
- Lead sponsor
- Indiana University
- Other
- Eligibility
- 25 Months and older
- Enrollment
- 8 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2014 – 2019
- U.S. locations
- 1
- States / cities
- Indianapolis, Indiana
- Conditions
- Vitamin D Deficiency
- Interventions
- Vitamin D
- Dietary Supplement
- Lead sponsor
- Yale University
- Other
- Eligibility
- 6 Months to 6 Years
- Enrollment
- 193 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2010 – 2013
- U.S. locations
- 1
- States / cities
- New Haven, Connecticut
- Conditions
- Fibrous Dysplasia Of Bone
- Interventions
- Burosumab
- Drug
- Lead sponsor
- National Institute of Dental and Craniofacial Research (NIDCR)
- NIH
- Eligibility
- 1 Year to 99 Years
- Enrollment
- 12 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2024
- U.S. locations
- 1
- States / cities
- Bethesda, Maryland
- Conditions
- Vitamin D Deficiency, Osteoporosis, Osteopenia
- Interventions
- Calcium 500mg with 200 IU Vitamin D - 2 tablets daily, Blood levels of Vitamin D, Serum CTX, Mg, Ca++ and iPTH, Usual sun exposure documentation, Dietary intake of calcium, vitamin D, magnesium
- Drug · Procedure · Behavioral
- Lead sponsor
- McLennan County Medical Education and Research Foundation
- Other
- Eligibility
- 70 Years and older · Female only
- Enrollment
- 60 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2006 – 2007
- U.S. locations
- 1
- States / cities
- Waco, Texas
- Conditions
- X-linked Hypophosphatemia
- Interventions
- KK8123
- Drug
- Lead sponsor
- Kyowa Kirin Co., Ltd.
- Industry
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 24 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024 – 2028
- U.S. locations
- 5
- States / cities
- San Francisco, California • New Haven, Connecticut • Indianapolis, Indiana + 2 more
- Conditions
- Hypocalcemia, Rickets
- Interventions
- 1,25-Dihydroxycholecalciferol
- Drug
- Lead sponsor
- National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
- NIH
- Eligibility
- Not listed
- Enrollment
- 6 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 1976 – 2009
- U.S. locations
- 1
- States / cities
- Bethesda, Maryland
- Conditions
- Chronic Kidney Disease Mineral and Bone Disorder, Hypertension, Diabetes, Dyslipidemia, Atherosclerotic Cardiovascular Disease (ASCVD), Chronic Kidney Disease (Stage 3)
- Interventions
- Low-dose Colchicine at 0.5mg daily, Usual Care
- Drug · Other
- Lead sponsor
- University of Texas Southwestern Medical Center
- Other
- Eligibility
- 18 Years to 69 Years
- Enrollment
- 60 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026 – 2027
- U.S. locations
- 1
- States / cities
- Dallas, Texas
- Conditions
- Hypophosphatemic Rickets, X-Linked Dominant
- Interventions
- Cinacalcet
- Drug
- Lead sponsor
- Children's Mercy Hospital Kansas City
- Other
- Eligibility
- 5 Years and older
- Enrollment
- 8 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2005 – 2008
- U.S. locations
- 1
- States / cities
- Kansas City, Missouri
- 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
- Vitamin D Deficiency, Nephrolithiasis
- Interventions
- vitamin D (ergocalciferol)
- Drug
- Lead sponsor
- Brigham and Women's Hospital
- Other
- Eligibility
- 18 Years and older
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2010
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- 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
- Rickets
- Interventions
- Not listed
- Lead sponsor
- Agency for Healthcare Research and Quality (AHRQ)
- Federal
- Eligibility
- 6 Months to 15 Months
- Enrollment
- 246 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2006 – 2008
- U.S. locations
- 1
- States / cities
- Seattle, Washington
- Conditions
- Chronic Kidney Disease (Stage 3-4), Chronic Kidney Disease Mineral and Bone Disorder
- Interventions
- Dietary Phosphorus Intake
- Dietary Supplement
- Lead sponsor
- University of Texas Southwestern Medical Center
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 60 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2025 – 2026
- U.S. locations
- 1
- States / cities
- Dallas, Texas
- Conditions
- Osteomalacia
- Interventions
- 68Ga-DOTATATE PET/CT
- Combination Product
- Lead sponsor
- Mayo Clinic
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 18 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019 – 2023
- U.S. locations
- 1
- States / cities
- Rochester, Minnesota
- Conditions
- X-Linked Hypophosphatemia
- Interventions
- burosumab, Oral Phosphate Supplement, active vitamin D
- Biological · Drug
- Lead sponsor
- Kyowa Kirin, Inc.
- Industry
- Eligibility
- 1 Year to 12 Years
- Enrollment
- 61 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2016 – 2019
- U.S. locations
- 5
- States / cities
- Los Angeles, California • San Francisco, California • Indianapolis, Indiana + 2 more
- 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
- X-linked Hypophosphatemia, Hypophosphatemic Rickets, Hypophosphatemic Rickets, X-Linked Dominant
- Interventions
- Calcitriol
- Drug
- Lead sponsor
- Massachusetts General Hospital
- Other
- Eligibility
- 3 Years to 70 Years
- Enrollment
- 16 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019 – 2026
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Chronic Kidney Disease, End Stage Renal Disease, Vitamin D Deficiency
- Interventions
- cholecalciferol
- Dietary Supplement
- Lead sponsor
- Creighton University
- Other
- Eligibility
- 19 Years and older
- Enrollment
- 37 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2012
- U.S. locations
- 1
- States / cities
- Omaha, Nebraska
- 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
- Osteoporosis, Vascular Calcification, Inflammation
- Interventions
- Vitamin K
- Drug
- Lead sponsor
- National Institute on Aging (NIA)
- NIH
- Eligibility
- 60 Years to 80 Years
- Enrollment
- 452 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2001 – 2006
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts