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ClinicalTrials.gov public records Last synced May 21, 2026, 7:12 PM 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 144 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Hyperparathyroidism Clear all
Completed Phase 3 Interventional Results available
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 16, 2020 · Synced May 21, 2026, 7:12 PM EDT
Completed Phase 4 Interventional Results available
View directory record Official record
Conditions
Secondary Hyperparathyroidism, Chronic Kidney Disease
Interventions
Paricalcitol, Calcitriol
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
4
States / cities
Chicago, Illinois • Evanston, Illinois • Detroit, Michigan + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 6, 2014 · Synced May 21, 2026, 7:12 PM EDT
Completed Phase 4 Interventional
View directory record Official record
Conditions
Secondary Hyperparathyroidism, Renal Failure, Chronic Renal Insufficiency
Interventions
Hectorol (doxercalciferol capsules), 0.5mcg
Drug
Lead sponsor
Genzyme, a Sanofi Company
Industry
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
17
States / cities
Phoenix, Arizona • Alhambra, California • Riverside, California + 14 more
Source: ClinicalTrials.gov public record
Updated May 4, 2015 · Synced May 21, 2026, 7:12 PM EDT
Terminated Phase 2 Interventional Results available
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 24, 2024 · Synced May 21, 2026, 7:12 PM EDT
Active, not recruiting Phase 2 Interventional
View directory record Official record
Conditions
Kidney Failure, Chronic, Chronic Kidney Disease-Mineral and Bone Disorder
Interventions
Oral calcitriol with cinacalcet rescue, IV activated vitamin D
Drug
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jun 1, 2025 · Synced May 21, 2026, 7:12 PM EDT
Terminated Phase 4 Interventional Results available
View directory record Official record
Conditions
Hyperparathyroidism, Secondary
Interventions
doxercalciferol
Drug
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jan 25, 2015 · Synced May 21, 2026, 7:12 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Vitamin D Insufficiency, Secondary Hyperparathyroidism
Interventions
CTAP101 Capsules
Drug
Lead sponsor
OPKO Health, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
67 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Cypress, California
Source: ClinicalTrials.gov public record
Updated Sep 29, 2019 · Synced May 21, 2026, 7:12 PM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Parathyroid Neoplasms
Interventions
Not listed
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
Not listed
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1994 – 2005
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced May 21, 2026, 7:12 PM EDT
Terminated Phase 3 Interventional Results available
View directory record Official record
Conditions
Coronary Artery Disease, Chronic Kidney Disease, Hypovitaminosis D, Secondary Hyperparathyroidism
Interventions
paricalcitol, placebo
Drug
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 19, 2014 · Synced May 21, 2026, 7:12 PM EDT
Completed Phase 1 Interventional Results available
View directory record Official record
Conditions
Chronic Kidney Disease, Secondary Hyperparathyroidism
Interventions
Etelcalcetide
Drug
Lead sponsor
Amgen
Industry
Eligibility
2 Years to 17 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
3
States / cities
Los Angeles, California • Louisville, Kentucky • Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Jul 9, 2019 · Synced May 21, 2026, 7:12 PM EDT
Completed Phase 3 Interventional
View directory record Official record
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 21, 2026, 7:12 PM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Renal Osteodystrophy
Interventions
Low magnitude mechanical stimuli
Device
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
21 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 13, 2015 · Synced May 21, 2026, 7:12 PM EDT
Completed Not applicable Interventional
View directory record Official record
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 21, 2026, 7:12 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Obesity and Obesity-related Medical Conditions, Diabetes, Atherosclerotic Disease, Heart Failure, MASH, Sarcopenia, Osteoporosis, Hyperparathyroidism, Hypoparathyroidism, Ischemic Heart Disease, Cystic Fibrosis (CF), Chronic Kidney Disease(CKD), Osteopenia, Cachexia
Interventions
Endothelial cell collection
Other
Lead sponsor
Bettina Mittendorfer
Other
Eligibility
18 Years to 100 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2027 – 2030
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated May 6, 2026 · Synced May 21, 2026, 7:12 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers
View directory record Official record
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 21, 2026, 7:12 PM EDT
Completed Phase 1 Interventional Results available
View directory record Official record
Conditions
Chronic Kidney Disease, Hyperparathyroidism, Secondary, Secondary Hyperparathyroidism
Interventions
Cinacalcet
Drug
Lead sponsor
Amgen
Industry
Eligibility
28 Days to 2190 Days
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
4
States / cities
Los Angeles, California • San Francisco, California • Louisville, Kentucky + 1 more
Source: ClinicalTrials.gov public record
Updated Jun 16, 2020 · Synced May 21, 2026, 7:12 PM EDT
Terminated Phase 3 Interventional Results available
View directory record Official record
Conditions
Chronic Kidney Disease stage3, Chronic Kidney Disease stage4, Vitamin d Deficiency, Secondary Hyperparathyroidism
Interventions
CTAP101, Placebo
Drug
Lead sponsor
OPKO Health, Inc.
Industry
Eligibility
8 Years to 17 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
2
States / cities
Columbus, Ohio • Greenville, South Carolina
Source: ClinicalTrials.gov public record
Updated Jul 24, 2025 · Synced May 21, 2026, 7:12 PM EDT
Completed No phase listed Observational
View directory record Official record
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 21, 2026, 7:12 PM EDT
Completed Phase 2Phase 3 Interventional Results available
View directory record Official record
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 21, 2026, 7:12 PM EDT
Completed Phase 1 Interventional Results available
View directory record Official record
Conditions
Hyperparathyroidism, Secondary
Interventions
Placebo, Etelcalcetide
Drug
Lead sponsor
KAI Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
3
States / cities
Cypress, California • Shreveport, Louisiana • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 1, 2018 · Synced May 21, 2026, 7:12 PM EDT
Completed Not applicable Interventional Results available
View directory record Official record
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 21, 2026, 7:12 PM EDT
Completed Phase 1 Interventional
View directory record Official record
Conditions
Chronic Kidney Disease, Secondary Hyperparathyroidism, Chronic Renal Insufficiency, Chronic Renal Failure
Interventions
CTAP101 Capsules, CTAP101 Injection
Drug
Lead sponsor
OPKO IP Holdings II, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009
U.S. locations
12
States / cities
Peoria, Arizona • Evergreen Park, Illinois • Springfield, Massachusetts + 9 more
Source: ClinicalTrials.gov public record
Updated Sep 29, 2014 · Synced May 21, 2026, 7:12 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Osteoporosis, Bone Diseases, Endocrine, Hyperparathyroidism
Interventions
Parathyroid Hormone (1-34)
Drug
Lead sponsor
University of Pittsburgh
Other
Eligibility
24 Years to 35 Years
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 21, 2016 · Synced May 21, 2026, 7:12 PM EDT
Not yet recruiting Phase 2 Interventional
View directory record Official record
Conditions
CKD Stage 3, CKD Stage 4, Secondary Hyperparathyroidism, VDI
Interventions
CTAP101
Drug
Lead sponsor
OPKO Health, Inc.
Industry
Eligibility
1 Month to 17 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
5
States / cities
Kansas City, Missouri • Columbus, Ohio • Philadelphia, Pennsylvania + 2 more
Source: ClinicalTrials.gov public record
Updated Mar 29, 2026 · Synced May 21, 2026, 7:12 PM EDT