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ClinicalTrials.gov public records Last synced May 22, 2026, 1:37 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 36 matching trials from the live ClinicalTrials.gov search.
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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
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced May 22, 2026, 1:37 AM EDT
Conditions
Parathyroid Gland Adenoma, Primary Hyperparathyroidism
Interventions
Laboratory Biomarker Analysis, Parathyroidectomy
Other · Procedure
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Aug 11, 2021 · Synced May 22, 2026, 1:37 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers
Conditions
Parathyroid Tumor, Primary Hyperparathyroidism, Secondary Hyperparathyroidism (SHPT), Tertiary Hyperparathyroidism
Interventions
Not listed
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 80 Years · Female only
Enrollment
839 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2032
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated May 11, 2026 · Synced May 22, 2026, 1:37 AM EDT
Conditions
Primary Hyperparathyroidism, Osteoporosis, Postmenopausal
Interventions
Not listed
Lead sponsor
University of Pennsylvania
Other
Eligibility
50 Years to 100 Years · Female only
Enrollment
96 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 31, 2024 · Synced May 22, 2026, 1:37 AM EDT
Completed Phase 2Phase 3 Interventional Results available
Conditions
Hyperparathyroidism, Primary
Interventions
18F-Fluorocholine, Positron Emission Tomography (PET)
Drug · Procedure
Lead sponsor
Thomas Hope
Other
Eligibility
13 Years and older
Enrollment
98 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Oct 18, 2021 · Synced May 22, 2026, 1:37 AM EDT
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
Source: ClinicalTrials.gov public record
Updated May 12, 2024 · Synced May 22, 2026, 1:37 AM EDT
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
Source: ClinicalTrials.gov public record
Updated Nov 15, 2011 · Synced May 22, 2026, 1:37 AM EDT
Conditions
Primary Hyperparathyroidism
Interventions
EC17
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 2, 2018 · Synced May 22, 2026, 1:37 AM EDT
Enrolling by invitation No phase listed Observational Accepts healthy volunteers
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 – 2025
U.S. locations
1
States / cities
Research Triangle Park, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 3, 2025 · Synced May 22, 2026, 1:37 AM EDT
Conditions
Coronary Artery Disease, Proteus Syndrome, Coffin - Sins Syndrome, Familial Isolated Hyperparathyroidism, Dubouitz Syndrome
Interventions
Not listed
Lead sponsor
National Human Genome Research Institute (NHGRI)
NIH
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 25, 2018 · Synced May 22, 2026, 1:37 AM EDT
Conditions
Primary Hyperparathyroidism, Type 2 Diabetes
Interventions
Urine and Blood Test
Diagnostic Test
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 5, 2025 · Synced May 22, 2026, 1:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
Conditions
Primary Hyperparathyroidism, Bone Diseases, Metabolic, Osteoporosis, Postmenopausal, Bone Loss, Postmenopausal
Interventions
Forearm exercise program, Walking program
Other
Lead sponsor
Columbia University
Other
Eligibility
45 Years and older · Female only
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2014
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 8, 2015 · Synced May 22, 2026, 1:37 AM EDT
Conditions
Multiple Endocrine Neoplasia
Interventions
Not listed
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
4 Years and older
Enrollment
969 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1993 – 2023
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 19, 2023 · Synced May 22, 2026, 1:37 AM EDT
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 May 11, 2026 · Synced May 22, 2026, 1:37 AM EDT
Completed Phase 2 Interventional Results available
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
Source: ClinicalTrials.gov public record
Updated Jun 6, 2022 · Synced May 22, 2026, 1:37 AM EDT
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
Source: ClinicalTrials.gov public record
Updated Sep 18, 2024 · Synced May 22, 2026, 1:37 AM EDT
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
Source: ClinicalTrials.gov public record
Updated Aug 26, 2025 · Synced May 22, 2026, 1:37 AM EDT
Conditions
Primary Hyperparathyroidism, Multinodular Goiter
Interventions
Activity Tracker (Fitbit), HbA1C, The PROMPT Questionnaire
Behavioral · Diagnostic Test
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
45 participants
Timeline
2022 – 2024
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 5, 2024 · Synced May 22, 2026, 1:37 AM EDT
Conditions
Hyperparathyroidism, Primary
Interventions
18F-Fluorocholine, Positron emission tomography (PET)
Drug · Procedure
Lead sponsor
Thomas Hope
Other
Eligibility
13 Years and older
Enrollment
139 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Apr 28, 2026 · Synced May 22, 2026, 1:37 AM EDT
Conditions
Primary Hyperparathyroidism, Vitamin D Deficiency
Interventions
10,000 IU Vitamin D3, Placebo, Vitamin D
Drug · Other · Dietary Supplement
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2017
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 15, 2019 · Synced May 22, 2026, 1:37 AM EDT
Conditions
Primary Hyperparathyroidism, Parathyroid Cancer, Multiple Endocrine Neoplasias, Heritable Hyperparathyroidism, Hyperparathyroid-jaw Tumor Syndrome
Interventions
18F-FCH, NeuroEXPLORER
Drug · Device
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years to 100 Years
Enrollment
193 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2036
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated May 11, 2026 · Synced May 22, 2026, 1:37 AM EDT
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
Source: ClinicalTrials.gov public record
Updated Sep 25, 2024 · Synced May 22, 2026, 1:37 AM EDT
Conditions
Primary Hyperparathyroidism
Interventions
Not listed
Lead sponsor
Columbia University
Other
Eligibility
50 Years to 75 Years
Enrollment
58 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2012
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 8, 2015 · Synced May 22, 2026, 1:37 AM EDT
Conditions
Parathyroid Gland Adenoma, Parathyroid Gland Atypical Adenoma, Parathyroid Gland Carcinoma, Primary Hyperparathyroidism
Interventions
Biospecimen Collection, Laboratory Biomarker Analysis
Procedure · Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
Not listed
Enrollment
310 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2028
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Nov 20, 2025 · Synced May 22, 2026, 1:37 AM EDT