Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
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.

Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 2, 2026, 5:29 AM EDT

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 122 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Disorders of Calcium and Bone Metabolism Clear all
Completed Phase 1 Interventional Accepts healthy volunteers

Long-term Nutritional Intervention Study to Determine How Protein Affects Calcium Metabolism

NCT00671944
View directory record Official record
Conditions
Osteoporosis
Interventions
Low protein diet
Other
Lead sponsor
Yale University
Other
Eligibility
20 Years to 40 Years · Female only
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2010
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 31, 2020 · Synced Oct 2, 2026, 5:29 AM EDT
Enrolling by invitation Phase 2 Interventional Accepts healthy volunteers

Theophylline for Treatment of Pseudohypoparathyroidism

NCT04240821
View directory record Official record
Conditions
Pseudohypoparathyroidism, Pseudohypoparathyroidism Type 1a, Albright Hereditary Osteodystrophy
Interventions
Theophylline ER
Drug
Lead sponsor
Jaclyn Tamaroff
Other
Eligibility
2 Years to 99 Years
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2026
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Sep 2, 2026 · Synced Oct 2, 2026, 5:29 AM EDT
Completed No phase listed Observational

Studies of States With Resistance to Vitamin D and Parathyroid Hormone

NCT00001242
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jan 20, 2023 · Synced Oct 2, 2026, 5:29 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Nitroglycerin Ointment for Preventing Bone Loss in Postmenopausal Women

NCT00043719
View directory record Official record
Conditions
Osteoporosis, Osteopenia
Interventions
Nitroglycerin ointment, Calcium supplement with vitamin D
Drug
Lead sponsor
National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS)
NIH
Eligibility
40 Years to 65 Years · Female only
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2007
U.S. locations
1
States / cities
New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated Feb 2, 2009 · Synced Oct 2, 2026, 5:29 AM EDT
Completed Phase 1Phase 2 Interventional Results available

An Extension Study of KRN23 in Adults With X-Linked Hypophosphatemia

NCT01571596
View directory record Official record
Conditions
X-linked Hypophosphatemia
Interventions
KRN23
Drug
Lead sponsor
Kyowa Kirin Co., Ltd.
Industry
Eligibility
18 Years and older
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
5
States / cities
San Francisco, California • New Haven, Connecticut • Indianapolis, Indiana + 2 more
Source: ClinicalTrials.gov public record
Updated Jun 18, 2024 · Synced Oct 2, 2026, 5:29 AM EDT
Terminated Phase 2 Interventional Results available

The Effects of 12-months of Denosumab on Bone Density in Prevalent Kidney Transplant Recipients

NCT03960554
View directory record Official record
Conditions
Osteoporosis, Renal Osteodystrophy, Kidney Transplant; Complications
Interventions
Denosumab Inj 60 mg/ml, Placebo
Drug · Other
Lead sponsor
Thomas Nickolas, MD MS
Other
Eligibility
18 Years and older
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
3
States / cities
Chicago, Illinois • Evanston, Illinois • New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 25, 2024 · Synced Oct 2, 2026, 5:29 AM EDT
Completed Phase 3 Interventional Results available

Prevention of Osteoporosis in Bone Marrow Transplantation (BMT) Patients

NCT00824993
View directory record Official record
Conditions
Hematological Malignancies
Interventions
Ibandronate, Vitamin Supplements
Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
78 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2017
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 13, 2018 · Synced Oct 2, 2026, 5:29 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

A Study of Changes in Bone Mineral Density as a Function of Consuming Two Different Forms of Calcium Carbonate

NCT01857154
View directory record Official record
Conditions
Osteopenia, Osteoporosis
Interventions
Micronized Calcium Carbonate, Non-Micronized Calcium Carbonate, Vitamin D3
Dietary Supplement
Lead sponsor
Integrative Health Technologies, Inc.
Network
Eligibility
21 Years and older
Enrollment
160 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Nov 25, 2013 · Synced Oct 2, 2026, 5:29 AM EDT
Recruiting No phase listed Observational

Natural History Study of Parathyroid Disorders

NCT04969926
View directory record Official record
Conditions
Parathyroid Cancer, Primary Hyperparathyroidism, Pseudohypoparathyroidism, Inheritable Bone Diseases, Multiple Endocrine Neoplasia, Type 1
Interventions
Not listed
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
6 Months to 100 Years
Enrollment
3,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2031
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 17, 2026 · Synced Oct 2, 2026, 5:29 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Exercise Mode and Acute Bone Resorption

NCT04815824
View directory record Official record
Conditions
Osteoporosis, Aging
Interventions
Exercise Mode
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
60 Years and older
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jul 20, 2025 · Synced Oct 2, 2026, 5:29 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Calcimimetics in Hypophosphatemic Rickets

NCT00844740
View directory record Official record
Conditions
Familial Hypophosphatemic Rickets
Interventions
Cinacalcet
Drug
Lead sponsor
Children's Mercy Hospital Kansas City
Other
Eligibility
5 Years to 21 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Dec 17, 2020 · Synced Oct 2, 2026, 5:29 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Sodium Intake on Calcium Retention in Girls

NCT01564238
View directory record Official record
Conditions
Osteoporosis
Interventions
Low Na diet (1.3 g/d), High sodium diet (3.8 g/d)
Other
Lead sponsor
Purdue University
Other
Eligibility
11 Years to 15 Years · Female only
Enrollment
67 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1999 – 2000
U.S. locations
1
States / cities
West Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated May 9, 2018 · Synced Oct 2, 2026, 5:29 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Does Potassium Bicarbonate Improve the Effect of Dietary Protein on Bone and Muscle?

NCT00730184
View directory record Official record
Conditions
Osteoporosis, Sarcopenia
Interventions
potassium bicarbonate, Placebo (microcrystalline cellulose)
Dietary Supplement
Lead sponsor
Tufts University
Other
Eligibility
50 Years and older
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 8, 2008 · Synced Oct 2, 2026, 5:29 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Vitamin D Dose and Genotype of the Binding Protein in Infants and Children

NCT01050387
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Aug 5, 2014 · Synced Oct 2, 2026, 5:29 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Evaluate the Effects of SB-751689 or rhPTH(1-34) on Excretion of Calcium and Phosphate in Women

NCT00532077
View directory record Official record
Conditions
Osteoporosis
Interventions
rhPTH(1-34), SB-751689 100 mg, SB-751689 400 mg
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
40 Years to 65 Years · Female only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
5
States / cities
San Diego, California • Daytona Beach, Florida • Port Orange, Florida + 2 more
Source: ClinicalTrials.gov public record
Updated Oct 19, 2010 · Synced Oct 2, 2026, 5:29 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Does Omeprazole Decrease Intestinal Calcium Absorption?

NCT00582972
View directory record Official record
Conditions
Osteoporosis, Achlorhydria, GERD, Hip Fracture
Interventions
Omeprazole
Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
Female only
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Feb 15, 2013 · Synced Oct 2, 2026, 5:29 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Ga-DOTATATE PET for Phosphaturic Mesenchymal Tumors in Patients With Tumor Induced Osteomalacia

NCT03736564
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Apr 30, 2025 · Synced Oct 2, 2026, 5:29 AM EDT
Completed Phase 3 Interventional Results available

Effectiveness of Paricalcitol in Reducing Parathyroid Hormone (PTH) Levels in X-linked Hypophosphatemic Rickets

NCT00417612
View directory record Official record
Conditions
Hypophosphatemia, Familial, Hyperparathyroidism
Interventions
Paricalcitol, Placebo
Drug · Other
Lead sponsor
Yale University
Other
Eligibility
9 Years and older
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 17, 2020 · Synced Oct 2, 2026, 5:29 AM EDT
Completed No phase listed Observational

Pathogenesis of Compromised Bone Quality and Mechanics in Chronic Kidney Disease

NCT03626246
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jul 13, 2021 · Synced Oct 2, 2026, 5:29 AM EDT
Completed Phase 2 Interventional Results available

Study of KRN23 (Burosumab), a Recombinant Fully Human Monoclonal Antibody Against Fibroblast Growth Factor 23 (FGF23), in Pediatric Subjects With X-linked Hypophosphatemia (XLH)

NCT02163577
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated May 6, 2024 · Synced Oct 2, 2026, 5:29 AM EDT
Completed Phase 3 Interventional Results available

A Study to Evaluate Oral Salmon Calcitonin in the Treatment of Osteoporosis in Postmenopausal Women Taking Calcium and Vitamin D

NCT00525798
View directory record Official record
Conditions
Osteoporosis
Interventions
SMC021 Oral calcitonin, SMC021 Placebo
Drug
Lead sponsor
Nordic Bioscience A/S
Industry
Eligibility
55 Years to 85 Years · Female only
Enrollment
4,665 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
3
States / cities
Gainesville, Georgia • Detroit, Michigan • Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Oct 29, 2012 · Synced Oct 2, 2026, 5:29 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Encouraging Calcium Absorption and Bone Formation During Early Puberty

NCT00022867
View directory record Official record
Conditions
Osteoporosis, Osteopenia
Interventions
Nondigestible oligosaccharide (NDO)
Drug
Lead sponsor
Baylor College of Medicine
Other
Eligibility
9 Years to 12 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2001 – 2006
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 24, 2015 · Synced Oct 2, 2026, 5:29 AM EDT
Completed No phase listed Observational Results available

A Retrospective Study of the Natural History of Patients With Severe Perinatal and Infantile Hypophosphatasia (HPP)

NCT01419028
View directory record Official record
Conditions
Hypophosphatasia (HPP)
Interventions
Not listed
Lead sponsor
Alexion Pharmaceuticals, Inc.
Industry
Eligibility
Not listed
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
5
States / cities
Los Angeles, California • Indianapolis, Indiana • St Louis, Missouri + 2 more
Source: ClinicalTrials.gov public record
Updated Apr 1, 2019 · Synced Oct 2, 2026, 5:29 AM EDT
Completed Phase 4 Interventional Results available

Impact on Reducing the Incidence of Low Serum Calcium by Providing Educational Materials on the Need to Take Daily Supplemental Calcium and Vitamin D to Patients With Paget's Disease Treated With Reclast®

NCT00668200
View directory record Official record
Conditions
Paget's Disease of the Bone, Hypocalcemia
Interventions
Reclast (ZOL446, zoledronic acid), Calcium, Vitamin D
Drug · Dietary Supplement
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
Not listed
Enrollment
81 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
9
States / cities
Phoenix, Arizona • Tucson, Arizona • Gainesville, Georgia + 6 more
Source: ClinicalTrials.gov public record
Updated Mar 6, 2015 · Synced Oct 2, 2026, 5:29 AM EDT