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

Genetic Evaluation of Families With Endocrine Cancers

NCT01794676
View directory record Official record
Conditions
Pancreatic Cancer, Thymic Cancer, Parathyroid Disease, MEN1 Syndrome
Interventions
Blood draw
Genetic
Lead sponsor
Jersey Shore University Medical Center
Other
Eligibility
13 Years and older
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Neptune City, New Jersey
Source: ClinicalTrials.gov public record
Updated Jun 15, 2017 · Synced Jul 23, 2026, 1:59 AM EDT
Active, not recruiting No phase listed Observational

Glycemic Control, Type II Diabetes, Parathyroidectomy

NCT05761743
View directory record Official record
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 May 25, 2026 · Synced Jul 23, 2026, 1:59 AM EDT
Completed Not applicable Interventional

Molecular Analysis for Precision Surgery in Thyroid Cancer Trial

NCT06235814
View directory record Official record
Conditions
Papillary Thyroid Cancer
Interventions
Molecular Analysis for Thyroid Resection
Procedure
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Feb 4, 2026 · Synced Jul 23, 2026, 1:59 AM EDT
Completed Not applicable Interventional Results available

Near Infrared Autofluorescence (NIRAF) Detection for Identifying Parathyroid Glands During Parathyroidectomy

NCT05152927
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Dec 14, 2025 · Synced Jul 23, 2026, 1:59 AM EDT
Completed No phase listed Observational

Minimally Invasive Radioguided Parathyroidectomy

NCT01530919
View directory record Official record
Conditions
Primary Hyperparathyroidism
Interventions
Minimally invasive radioguided parathyroidectomy
Procedure
Lead sponsor
University of Louisville
Other
Eligibility
Not listed
Enrollment
856 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998 – 2017
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated May 3, 2017 · Synced Jul 23, 2026, 1:59 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Bioequivalency Study of Calcitriol Tablets Under Fasting Conditions

NCT00601328
View directory record Official record
Conditions
Secondary Hyperparathyroidism, Hypocalcemia
Interventions
Calcitriol
Drug
Lead sponsor
Roxane Laboratories
Industry
Eligibility
18 Years to 45 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003
U.S. locations
1
States / cities
Springfield, Missouri
Source: ClinicalTrials.gov public record
Updated Jan 22, 2018 · Synced Jul 23, 2026, 1:59 AM EDT
Not listed Phase 3 Interventional

ADD-ON Study to Existing Hypoparathyroidism Studies

NCT00856401
View directory record Official record
Conditions
Hypoparathyroidism
Interventions
PTH1-84 in parent study
Drug
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years to 85 Years
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2021
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 27, 2018 · Synced Jul 23, 2026, 1:59 AM EDT
Completed Phase 3 Interventional Results available

Head-to-Head Study of Etelcalcetide (AMG 416) and Cinacalcet

NCT01896232
View directory record Official record
Conditions
Secondary Hyperparathyroidism, Chronic Kidney Disease
Interventions
Etelcalcetide, Cinacalcet, Oral Placebo, Intravenous Placebo
Drug
Lead sponsor
Amgen
Industry
Eligibility
18 Years to 85 Years
Enrollment
683 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
41
States / cities
Azusa, California • Bakersfield, California • Chula Vista, California + 37 more
Source: ClinicalTrials.gov public record
Updated Jul 17, 2019 · Synced Jul 23, 2026, 1:59 AM EDT
Active, not recruiting Phase 2 Interventional

Immune Disorder HSCT Protocol

NCT01821781
View directory record Official record
Conditions
Immune Deficiency Disorders, Severe Combined Immunodeficiency, Chronic Granulomatous Disease, X-linked Agammaglobulinemia, Wiskott-Aldrich Syndrome, Hyper-IgM, DiGeorge Syndrome, Chediak-Higashi Syndrome, Common Variable Immune Deficiency, Immune Dysregulatory Disorders, Hemophagocytic Lymphohistiocytosis, IPEX, Autoimmune Lymphoproliferative Syndrome, X-linked Lymphoproliferative Syndrome
Interventions
Transplant preparative regimen of alemtuzumab, fludarabine, thiotepa, and melphalan
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
Up to 21 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2026
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Feb 18, 2026 · Synced Jul 23, 2026, 1:59 AM EDT
Completed Not applicable Interventional

Omission of Intact Parathyroid Hormone Testing During Surgery in Treating Patients With Primary Hyperparathyroidism

NCT03011736
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 Jul 23, 2026, 1:59 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 Jul 23, 2026, 1:59 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Mindfulness Program for Adolescents With 22q11DS

NCT05849441
View directory record Official record
Conditions
22Q11 Deletion Syndrome
Interventions
Aware Program
Behavioral
Lead sponsor
Innovation Research & Training
Other
Eligibility
12 Years to 19 Years
Enrollment
110 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 28, 2025 · Synced Jul 23, 2026, 1:59 AM EDT
Completed Not applicable Interventional Results available

Thymus Transplantation Safety-Efficacy

NCT01220531
View directory record Official record
Conditions
Complete DiGeorge Anomaly, DiGeorge Syndrome, DiGeorge Anomaly, Complete DiGeorge Syndrome
Interventions
Cultured Thymus Tissue
Biological
Lead sponsor
Sumitomo Pharma Switzerland GmbH
Industry
Eligibility
Not listed
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2023
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 15, 2025 · Synced Jul 23, 2026, 1:59 AM EDT
Completed Phase 1 Interventional

Comparison of I.V. CTAP201 and Doxercalciferol (Hectorol) in Subjects With Chronic Kidney Disease (CKD) and Secondary Hyperparathyroidism (SHPT)

NCT00792857
View directory record Official record
Conditions
Chronic Kidney Disease, Secondary Hyperparathyroidism, Chronic Renal Insufficiency, Chronic Renal Failure
Interventions
CTAP201 Injection, Doxercalciferol
Drug
Lead sponsor
OPKO IP Holdings II, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
6
States / cities
Peoria, Arizona • Springfield, Massachusetts • Cincinnati, Ohio + 3 more
Source: ClinicalTrials.gov public record
Updated Sep 28, 2014 · Synced Jul 23, 2026, 1:59 AM EDT
Completed Not applicable Interventional Results available

Study of the Efficacy of Local Analgesia as an Adjunct to General Anesthesia in Thyroidectomy and Parathyroidectomy

NCT02205801
View directory record Official record
Conditions
Thyroid Neoplasms, Goiter, Nodular, Thyroid Nodule, Graves' Disease, Hyperparathyroidism
Interventions
Superficial Cervical Plexus Block, Local Wound Infiltration, 0.9% saline, Marcaine
Procedure · Drug
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 8, 2018 · Synced Jul 23, 2026, 1:59 AM EDT
Completed Phase 1 Interventional

Trastuzumab Plus R115777 in Treating Patients With Advanced or Metastatic Cancer

NCT00005842
View directory record Official record
Conditions
Cancer
Interventions
trastuzumab, tipifarnib
Biological · Drug
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2000
U.S. locations
2
States / cities
Fort Sam Houston, Texas • San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Feb 10, 2013 · Synced Jul 23, 2026, 1:59 AM EDT
Withdrawn Phase 2Phase 3 Interventional

Primary Hyperparathyroidism (PHPT): Early Effect of Vitamin D

NCT01329666
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Mar 4, 2015 · Synced Jul 23, 2026, 1:59 AM EDT
Active, not recruiting Phase 3 Interventional

Evaluation of the Safety and Efficacy of Eneboparatide (AZP-3601) in Patients With Chronic Hypoparathyroidism

NCT05778071
View directory record Official record
Conditions
Chronic Hypoparathyroidism, Endocrine System Diseases, Parathyroid Diseases
Interventions
eneboparatide, Placebo
Combination Product
Lead sponsor
Alexion Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
165 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
16
States / cities
Torrance, California • Denver, Colorado • Chicago, Illinois + 11 more
Source: ClinicalTrials.gov public record
Updated Sep 28, 2025 · Synced Jul 23, 2026, 1:59 AM EDT
Withdrawn Phase 1 Interventional Accepts healthy volunteers

One Week Comparison Study of PTH and PTHrP Infusions

NCT01333267
View directory record Official record
Conditions
Osteoporosis, Hypercalcemia of Malignancy, Hyperparathyroidism, Bone Diseases, Endocrine
Interventions
Parathyroid Hormone-related Protein (1-36), parathyroid hormone (1-34), PTH (1-34) and PTHrP (1-36)
Drug
Lead sponsor
University of Pittsburgh
Other
Eligibility
24 Years to 35 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 4, 2014 · Synced Jul 23, 2026, 1:59 AM EDT
Not listed No phase listed Observational

Percent Change in Baseline Bone Mineral Density (BMD) After Parathyroidectomy in Patients With Primary Hyperparathyroidism

NCT03052075
View directory record Official record
Conditions
Primary Hyperparathyroidism
Interventions
Retrospective Data Review
Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
Not listed
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 9, 2020 · Synced Jul 23, 2026, 1:59 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Enhancing Skeletal Adaptations to PTH and Exercise

NCT05029128
View directory record Official record
Conditions
Exercise, Bone Resorption, Bone Formation
Interventions
Endurance exercise intervention
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
25 Years to 75 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Apr 5, 2026 · Synced Jul 23, 2026, 1:59 AM EDT
Completed Phase 2 Interventional Results available

The Role of Parathyroid Hormone (PTH) in Low Bone Mass in Anorexia Nervosa

NCT00759772
View directory record Official record
Conditions
Anorexia Nervosa, Osteoporosis
Interventions
Placebo, Teriparatide
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
30 Years to 70 Years · Female only
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 10, 2017 · Synced Jul 23, 2026, 1:59 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Parathyroid Tumor Clonal Status

NCT05997810
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 Jul 23, 2026, 1:59 AM EDT
Terminated Phase 3 Interventional Results available

Safety and Efficacy Study of rhPTH(1-84) in Subjects With Hypoparathyroidism

NCT03364738
View directory record Official record
Conditions
Hypoparathyroidism
Interventions
rhPTH(1-84)
Biological
Lead sponsor
Shire
Industry
Eligibility
18 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
5
States / cities
Lexington, Kentucky • Metairie, Louisiana • Reno, Nevada + 2 more
Source: ClinicalTrials.gov public record
Updated Oct 6, 2022 · Synced Jul 23, 2026, 1:59 AM EDT