Independent directory Public ClinicalTrials.gov records United States
Clear filters
ClinicalTrials.gov public records Last synced Jul 21, 2026, 11:23 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 29 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Primary Hyperparathyroidism, Hypercalcemia
Interventions
Calcitonin
Drug
Lead sponsor
Joseph Sferra
Other
Eligibility
18 Years and older
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2026
U.S. locations
1
States / cities
Toledo, Ohio
Conditions
Hypercalcemia, Familial Primary Hyperparathyroidism
Interventions
Parathyroid hormone testing, Serum calcium testing
Procedure
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Parathyroid Adenoma, Parathyroid Neoplasms, Parathyroid Cancer, Hypercalcemia, Primary Hyperparathyroidism
Interventions
PTeye, Standard of Care
Device · Other
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Ann Arbor, Michigan
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

One Week Parathyroid Hormone-related Protein (PTHrP) IV Dose Escalation Study

NCT00580788
Conditions
Osteoporosis, Humoral Hypercalcemia of Malignancy, Hyperparathyroidism
Interventions
PTHrP (1-36)
Drug
Lead sponsor
University of Pittsburgh
Other
Eligibility
24 Years to 35 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Conditions
Hypercalcemia of Malignancy, Lung Cancer, Metastatic Cancer, Pain, Unspecified Adult Solid Tumor, Protocol Specific
Interventions
zoledronic acid, quality-of-life assessment
Drug · Procedure
Lead sponsor
Novartis
Industry
Eligibility
18 Years and older
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998 – 2001
U.S. locations
55
States / cities
Birmingham, Alabama • Springdale, Arkansas • Gilroy, California + 48 more
Completed Phase 2 Interventional Results available

Studies of Elevated Parathyroid Activity

NCT00001277
Conditions
Hyperparathyroidism, Hypercalcemia, Parathyroid Neoplasm, Multiple Endocrine Neoplasia, MEN1
Interventions
68Ga-Dotatate, 18F-DOPA
Drug
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
2 Months and older
Enrollment
1,553 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1993 – 2020
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Breast Cancer, Hypercalcemia of Malignancy, Metastatic Cancer, Pain
Interventions
monoclonal antibody CAL, zoledronic acid
Biological · Drug
Lead sponsor
Chugai Pharmaceutical
Industry
Eligibility
18 Years and older · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2002
U.S. locations
1
States / cities
Cleveland, Ohio
Conditions
Diabetes, Cancer, Heart Disease
Interventions
Not listed
Lead sponsor
National Human Genome Research Institute (NHGRI)
NIH
Eligibility
18 Years and older
Enrollment
310 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2012
U.S. locations
2
States / cities
Washington D.C., District of Columbia • Bethesda, Maryland
Terminated Phase 1Phase 2 Interventional Results available

Cinacalcet to Treat Hypercalcemia in Renal Transplant Recipients

NCT00415584
Conditions
Secondary Hyperparathyroidism, Hypercalcemia
Interventions
Cinacalcet HCl
Drug
Lead sponsor
Montefiore Medical Center
Other
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
The Bronx, New York
Conditions
Refractory Multiple Myeloma
Interventions
Tivantinib, Diagnostic laboratory biomarker analysis, Questionnaire administration, Quality-of-life assessment
Drug · Other · Procedure
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Houston, Texas
Conditions
Parathyroid Diseases, Parathyroid Dysfunction, Parathyroid Neoplasms, Parathyroid Adenoma, Hypercalcemia, Neoplasms, Glandular and Epithelial, Endocrine Gland Neoplasms, Adenoma, Hyperparathyroidism, Hyperparathyroidism, Primary
Interventions
Parathyroid Eye (PTeye)
Device
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
79 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
San Francisco, California
Conditions
Breast Cancer, Hypercalcemia of Malignancy, Colon Cancer, Endocrine Cancer, Head and Neck Cancer, Kidney Cancer, Lung Cancer, Lymphoma, Metastatic Cancer, Multiple Myeloma, Parathyroid Neoplasms, Renal Cancer, Thyroid Cancer, Hodgkin's Lymphoma, Non-Hodgkin's Lymphoma, Non-Small Cell Lung Cancer
Interventions
denosumab
Drug
Lead sponsor
Amgen
Industry
Eligibility
18 Years and older
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
12
States / cities
Encinitas, California • New Haven, Connecticut • Salisbury, Maryland + 9 more
Conditions
Parathyroid Adenoma, Parathyroid Neoplasms, Parathyroid Hyperplasia, Parathyroid Cancer, Hypercalcemia, Primary Hyperparathyroidism
Interventions
NIRAF Detection Technology
Device
Lead sponsor
Vanderbilt-Ingram Cancer Center
Other
Eligibility
18 Years to 99 Years
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Nashville, Tennessee
Conditions
Cardiopulmonary Failure, Myocardial Infarction (MI), Heart Decompensation, Heart Failure, HFrEF - Heart Failure with Reduced Ejection Fraction, HFpEF - Heart Failure with Preserved Ejection Fraction, Syncopation, Syncope, Ischemic Cardiovascular Disease, STEMI, STEMI (ST Elevation MI), Atrial Fibrillation (AF), Atrial Enlargement, LVF, Conduction Defect, Conduction Abnormalities, Heart Block, Valvular Diseases, Cardiac Output, Low, Stroke Volume, Stroke Volume Variation, Hyperkalemia, Hypercalcemia, Hypocalcemia, LV Dysfunction, QT Prolongation, Sudden Cardiac Death Due to Cardiac Arrhythmia, Ventricular Arrhythmia, Pacing, Pacing Induced Dyssynchrony, Silent Ischemia, Pericarditis, Sleep Related Breathing Disorder, RSA, Apnea, Obstructive, Cardiac Output Measurement, Respiratory Impedance, CRT And/or ICD, Infarction, Cardiomyopathies, Primary, Hypertrophy
Interventions
SUBPROTOCOL A, SUBPROTOCOL B, SUBPROTOCOL C, SUBPROTOCOL D, SUBPROTOCOL E, SUBPROTOCOL F, SUBPROTOCOL G, SUBPROTOCOL H
Device
Lead sponsor
Peerbridge Health, Inc
Industry
Eligibility
18 Years and older
Enrollment
15,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Melbourne, Florida
Conditions
Primary Hyperparathyroidism
Interventions
Not listed
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years and older
Enrollment
175 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
6
States / cities
Iowa City, Iowa • Lawrence, Kansas • Minneapolis, Minnesota + 3 more
Conditions
Hyperparathyroidism
Interventions
Alendronate 70mg weekly
Drug
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
New York, New York
Conditions
Hyperparathyroidism, Primary, Hypercalcemia
Interventions
Cinacalcet, Placebo
Drug
Lead sponsor
Amgen
Industry
Eligibility
18 Years and older
Enrollment
67 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
22
States / cities
Lake Forest, California • Lancaster, California • Los Gatos, California + 19 more
Conditions
Kidney Failure, Secondary Hyperparathyroidism, Hyperphosphatemia, Hypercalcemia
Interventions
Calcitriol, Paricalcitol
Drug
Lead sponsor
Winthrop University Hospital
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
Mineola, New York
Conditions
Chronic Allograft Nephropathy, Chronic Kidney Disease, Chronic Renal Failure, Disordered Mineral Metabolism, End Stage Renal Disease, Hyperparathyroidism, Hypophosphatemia, Kidney Disease, Kidney Transplantation, Post Renal Transplantation
Interventions
Cinacalcet, Placebo
Drug
Lead sponsor
Amgen
Industry
Eligibility
18 Years and older
Enrollment
114 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
15
States / cities
Phoenix, Arizona • Tempe, Arizona • San Francisco, California + 12 more
Conditions
Breast Neoplasms, Breast Cancer, Metastasis
Interventions
CAL
Drug
Lead sponsor
Chugai Pharma USA
Industry
Eligibility
18 Years and older · Female only
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
38
States / cities
Little Rock, Arkansas • Springdale, Arkansas • Concord, California + 32 more
Conditions
Secondary Hyperparathyroidism, End-Stage Renal Disease
Interventions
Paricalcitol, Calcitriol
Drug
Lead sponsor
AbbVie (prior sponsor, Abbott)
Industry
Eligibility
Up to 16 Years
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
18
States / cities
Birmingham, Alabama • Gainesville, Florida • Orlando, Florida + 15 more
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
Idiopathic Infantile Hypercalcaemia - Severe Form, Genetic Disease, Hypercalcemia, Idiopathic, of Infancy, Hypercalciuric Hypercalcemia, Idiopathic Infantile Hypercalcemia - Mild Form, Hypercalciuria
Interventions
Rifampin
Drug
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
6 Months to 65 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2030
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
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