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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Parathyroid Clear all
Completed No phase listed Observational

Parathyroid Cancer Versus Atypical Parathyroid Neoplasm; Investigating Their Clinical Characteristics and Biological Behavior

NCT03046524
View directory record Official record
Conditions
Parathyroid Carcinoma, Parathyroid Neoplasm
Interventions
Chart Review
Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 6, 2018 · Synced Sep 10, 2026, 5:33 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Phosphate Assessment in Chronic Kidney Disease Patients Study

NCT07368946
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jan 27, 2026 · Synced Sep 10, 2026, 5:33 AM EDT
Completed Phase 2 Interventional Results available

Parathyroid Hormone (PTH) for Osteoporosis in Postmenopausal Women

NCT00086619
View directory record Official record
Conditions
Postmenopausal Osteoporosis, Osteoporosis
Interventions
synthetic hPTH 1-34
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
46 Years to 85 Years · Female only
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2009
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 29, 2013 · Synced Sep 10, 2026, 5:33 AM EDT
Completed Phase 4 Interventional Results available

How Vitamin D Analogues Affect Endothelial Cells in Patients on Dialysis

NCT00528788
View directory record Official record
Conditions
Hyperparathyroidism, Secondary, Kidney Failure, Chronic
Interventions
doxercalciferol
Drug
Lead sponsor
Duke University
Other
Eligibility
18 Years to 80 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 21, 2016 · Synced Sep 10, 2026, 5:33 AM EDT
Withdrawn Phase 2 Interventional

Radioactive Drug (177Lu-DOTATATE) for the Treatment of Locally Advanced, Metastatic, or Unresectable Rare Endocrine Cancers

NCT04106843
View directory record Official record
Conditions
Locally Advanced Adrenal Gland Pheochromocytoma, Locally Advanced Paraganglioma, Metastatic Adrenal Gland Pheochromocytoma, Metastatic Paraganglioma, Metastatic Parathyroid Gland Carcinoma, Pituitary Gland Carcinoma, Somatostatin Receptor Positive, Stage III Thyroid Gland Medullary Carcinoma AJCC v8, Stage IV Thyroid Gland Medullary Carcinoma AJCC v8, Stage IVA Thyroid Gland Medullary Carcinoma AJCC v8, Stage IVB Thyroid Gland Medullary Carcinoma AJCC v8, Stage IVC Thyroid Gland Medullary Carcinoma AJCC v8, Unresectable Adrenal Gland Pheochromocytoma, Unresectable Paraganglioma
Interventions
Lutetium Lu 177 Dotatate
Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 6, 2020 · Synced Sep 10, 2026, 5:33 AM EDT
Active, not recruiting Not applicable Interventional

Randall's Plaque Study: Pathogenesis and Relationship to Nephrolithiasis

NCT00169806
View directory record Official record
Conditions
Nephrocalcinosis, Renal Calculi, Hypercalciuria, Hyperparathyroidism, Cystinuria
Interventions
videotape for mapping of renal anatomy and papillary biopsy
Other
Lead sponsor
Indiana Kidney Stone Institute
Other
Eligibility
18 Years and older
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998 – 2025
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Jan 22, 2025 · Synced Sep 10, 2026, 5:33 AM EDT
Completed No phase listed Observational

Ergocalciferol in Chronic Kidney Disease

NCT00411294
View directory record Official record
Conditions
Chronic Kidney Disease
Interventions
Not listed
Lead sponsor
Saint Louis VA Medical Center
Federal
Eligibility
18 Years to 80 Years
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Dec 12, 2006 · Synced Sep 10, 2026, 5:33 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Hypoparathyroidism Natural History Study

NCT05793853
View directory record Official record
Conditions
Hypoparathyroidism
Interventions
Not listed
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 100 Years
Enrollment
106 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 15, 2025 · Synced Sep 10, 2026, 5:33 AM EDT
Completed Phase 2 Interventional

Parathyroid Hormone (PTH) With Alendronate for Osteoporosis

NCT00005006
View directory record Official record
Conditions
Osteoporosis
Interventions
Parathyroid Hormone, Alendronate, Teriparatide
Drug
Lead sponsor
Helen Hayes Hospital
Other
Eligibility
50 Years and older · Female only
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1987 – 2006
U.S. locations
1
States / cities
West Haverstraw, New York
Source: ClinicalTrials.gov public record
Updated Aug 18, 2015 · Synced Sep 10, 2026, 5:33 AM EDT
Completed Phase 1Phase 2 Interventional

Treatment of Psoriasis With Parathyroid Hormone

NCT00007306
View directory record Official record
Conditions
Plaque Psoriasis
Interventions
Parathyroid hormone ointment
Drug
Lead sponsor
National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS)
NIH
Eligibility
18 Years to 70 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2005
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 3, 2007 · Synced Sep 10, 2026, 5:33 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

3-Week Parathyroid Hormone-related Protein (PTHrP) Dose Escalation Study in Post-Menopausal Women

NCT00222872
View directory record Official record
Conditions
Osteoporosis, Osteoporosis, Postmenopausal
Interventions
Parathyroid Hormone-related Protein, Placebo
Drug
Lead sponsor
University of Pittsburgh
Other
Eligibility
50 Years to 75 Years · Female only
Enrollment
61 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2008
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 27, 2014 · Synced Sep 10, 2026, 5:33 AM EDT
Active, not recruiting Phase 2 Interventional

DePTH: De-emphasize PTH

NCT06288451
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 Sep 10, 2026, 5:33 AM EDT
Completed No phase listed Observational

Study of Phenotype and Genotype Correlations in Patients With Contiguous Gene Deletion Syndromes

NCT00004351
View directory record Official record
Conditions
Williams Syndrome, Angelman Syndrome, Prader-Willi Syndrome, Shprintzen Syndrome, Smith-Magenis Syndrome, DiGeorge Syndrome, Chromosome Abnormalities
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
0 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 1999
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 23, 2005 · Synced Sep 10, 2026, 5:33 AM EDT
Completed Phase 1 Interventional

Safety and Efficacy Study of NFC-1 in Subjects Aged 12-17 Years With 22q11.2DS & Associated Neuropsychiatric Conditions

NCT02895906
View directory record Official record
Conditions
22q11.2 Deletion Syndrome
Interventions
NFC-1
Drug
Lead sponsor
Aevi Genomic Medicine, LLC, a Cerecor company
Industry
Eligibility
12 Years to 17 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 24, 2022 · Synced Sep 10, 2026, 5:33 AM EDT
Completed No phase listed Observational

Genetic Modifiers for 22q11.2 Syndrome

NCT00916955
View directory record Official record
Conditions
22q11.2 Deletion Syndrome
Interventions
Observation
Other
Lead sponsor
State University of New York - Upstate Medical University
Other
Eligibility
Not listed
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2015
U.S. locations
1
States / cities
Syracuse, New York
Source: ClinicalTrials.gov public record
Updated Oct 19, 2021 · Synced Sep 10, 2026, 5:33 AM EDT
Completed Phase 2 Interventional Results available

Safety, Tolerability and Efficacy of Etelcalcetide in Hemodialysis Patients With Secondary Hyperparathyroidism

NCT01254565
View directory record Official record
Conditions
Secondary Hyperparathyroidism
Interventions
Etelcalcetide, Placebo
Drug
Lead sponsor
KAI Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
87 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
13
States / cities
Azusa, California • Costa Mesa, California • Lynwood, California + 9 more
Source: ClinicalTrials.gov public record
Updated Apr 12, 2017 · Synced Sep 10, 2026, 5:33 AM EDT
Completed Phase 1 Interventional

Effect of Cinacalcet on Parathyroid Hormone Secretion in Children and Adolescents With Hypophosphatemic Rickets

NCT00195936
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jan 18, 2021 · Synced Sep 10, 2026, 5:33 AM EDT
Not listed Early Phase 1 Interventional Accepts healthy volunteers

Exparel Injection Effect on Postoperative Opioid Usage

NCT04085913
View directory record Official record
Conditions
Thyroid, Parathyroid Adenoma
Interventions
Lidocaine Epinephrine, Bupivacaine Hydrochloride-EPINEPHrine, Lidocaine Epinephrine, Bupivacaine Hydrochloride-EPINEPHrine
Drug
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2025
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Jul 28, 2024 · Synced Sep 10, 2026, 5:33 AM EDT
Terminated Phase 3 Interventional Results available

Pediatric Chronic Kidney Disease Safety and Efficacy

NCT01277510
View directory record Official record
Conditions
Chronic Kidney Disease, Hyperparathyroidism, Hyperparathyroidism, Secondary, Kidney Disease, Secondary Hyperparathyroidism
Interventions
cinacalcet capsule, placebo, Standard of Care
Drug
Lead sponsor
Amgen
Industry
Eligibility
6 Years to 17 Years
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2011
U.S. locations
18
States / cities
Birmingham, Alabama • Los Angeles, California • San Francisco, California + 14 more
Source: ClinicalTrials.gov public record
Updated Jun 28, 2020 · Synced Sep 10, 2026, 5:33 AM EDT
Terminated Phase 2 Interventional Results available

Metyrosine (Demser®) for the Treatment of Psychotic Disorders in Patients With Velocardiofacial Syndrome

NCT01127503
View directory record Official record
Conditions
Velo-cardio-facial Syndrome, Psychosis
Interventions
Metyrosine, Placebo
Drug
Lead sponsor
Bausch Health Americas, Inc.
Industry
Eligibility
16 Years to 65 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Syracuse, New York
Source: ClinicalTrials.gov public record
Updated Nov 21, 2019 · Synced Sep 10, 2026, 5:33 AM EDT
Completed Phase 1 Interventional

EC17 for Intraoperative Imaging for Parathyroidectomy

NCT01996072
View directory record Official record
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 Sep 10, 2026, 5:33 AM EDT
Completed No phase listed Observational

A Survey to Assess Participants' and Physicians' Knowledge, Attitudes and Behavior When Using NATPARA

NCT05556629
View directory record Official record
Conditions
Hypoparathyroidism
Interventions
No Intervention
Other
Lead sponsor
Shire
Industry
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2025
U.S. locations
1
States / cities
Lexington, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 21, 2026 · Synced Sep 10, 2026, 5:33 AM EDT
Completed Phase 4 Interventional Results available

Evaluation of the Effectiveness of Paricalcitol Versus Cinacalcet With Low-Dose Vitamin D

NCT00977080
View directory record Official record
Conditions
Chronic Kidney Disease, Secondary Hyperparathyroidism, Hemodialysis
Interventions
Paricalcitol, Cinacalcet
Drug
Lead sponsor
Abbott
Industry
Eligibility
18 Years and older
Enrollment
272 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
30
States / cities
Tempe, Arizona • Chula Vista, California • Los Angeles, California + 22 more
Source: ClinicalTrials.gov public record
Updated Jun 19, 2012 · Synced Sep 10, 2026, 5:33 AM EDT
Completed Phase 4 Interventional

A Phase 4 Pharmacokinetic Study of Hectorol Injection and Zemplar Injection in CKD Subjects on Hemodialysis

NCT00454350
View directory record Official record
Conditions
Secondary Hyperparathyroidism
Interventions
Hectorol (doxercalciferol injection), Zemplar (Paricalcitol injection)
Drug
Lead sponsor
Genzyme, a Sanofi Company
Industry
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated May 4, 2015 · Synced Sep 10, 2026, 5:33 AM EDT