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Showing 1–24 of 292 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Parathyroid Disease Clear all
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 4, 2026, 4:03 PM EDT
Not listed Phase 3 Interventional

Study Comparing Effects of Lanthanum Carbonate Versus Calcium Acetate Versus Dietary Phosphorus Restriction

NCT01357317
View directory record Official record
Conditions
Chronic Kidney Disease
Interventions
Diet counseling, Phosphorus binder
Other · Drug
Lead sponsor
Salem Veterans Affairs Medical Center
Federal
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Salem, Virginia
Source: ClinicalTrials.gov public record
Updated Jun 11, 2012 · Synced Sep 4, 2026, 4:03 PM EDT
Recruiting Phase 3 Interventional

A Trial of Etelcalcetide in Pediatric Participants With Secondary Hyperparathyroidism and Chronic Kidney Disease on Hemodialysis

NCT03633708
View directory record Official record
Conditions
Secondary Hyperparathyroidism, Chronic Kidney Disease
Interventions
Etelcalcetide, Standard of Care
Drug · Other
Lead sponsor
Amgen
Industry
Eligibility
0 Years to 18 Years
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2029
U.S. locations
10
States / cities
Los Angeles, California • Aurora, Colorado • Kansas City, Missouri + 7 more
Source: ClinicalTrials.gov public record
Updated Feb 26, 2026 · Synced Sep 4, 2026, 4:03 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

A Study of Vitamin D in Subjects With Alopecia Areata

NCT01328678
View directory record Official record
Conditions
Alopecia Areata
Interventions
Not listed
Lead sponsor
Avera McKennan Hospital & University Health Center
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Sioux Falls, South Dakota
Source: ClinicalTrials.gov public record
Updated Jul 7, 2011 · Synced Sep 4, 2026, 4:03 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Calcimimetics in Hypophosphatemic Rickets

NCT00844740
View directory record Official record
Conditions
Familial Hypophosphatemic Rickets
Interventions
Cinacalcet
Drug
Lead sponsor
Children's Mercy Hospital Kansas City
Other
Eligibility
5 Years to 21 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Dec 16, 2020 · Synced Sep 4, 2026, 4:03 PM EDT
Completed Not applicable Interventional

Cognitive Remediation in 22q11DS

NCT01781923
View directory record Official record
Conditions
22q11.2 Deletion Syndrome, Velo-Cardio-Facial Syndrome
Interventions
Cognitive remediation program, Small group social skills training
Behavioral
Lead sponsor
Duke University
Other
Eligibility
11 Years to 17 Years
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 9, 2015 · Synced Sep 4, 2026, 4:03 PM EDT
Completed Not applicable Interventional Results available

Vitamin D Replacement After Kidney Transplant

NCT00748618
View directory record Official record
Conditions
Kidney Transplantation, Vitamin D Deficiency
Interventions
Standard vitamin D3 treatment, High dose vitamin D3 treatment
Dietary Supplement
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years and older
Enrollment
116 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2023
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Oct 25, 2024 · Synced Sep 4, 2026, 4:03 PM 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 Sep 4, 2026, 4:03 PM 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 4, 2026, 4:03 PM EDT
Completed Not applicable Interventional

Gefitinib in Treating Patients With Metastatic or Unresectable Head and Neck Cancer or Non-Small Cell Lung Cancer

NCT00068497
View directory record Official record
Conditions
Anaplastic Thyroid Cancer, Insular Thyroid Cancer, Metastatic Parathyroid Cancer, Recurrent Adenoid Cystic Carcinoma of the Oral Cavity, Recurrent Basal Cell Carcinoma of the Lip, Recurrent Esthesioneuroblastoma of the Paranasal Sinus and Nasal Cavity, Recurrent Inverted Papilloma of the Paranasal Sinus and Nasal Cavity, Recurrent Lymphoepithelioma of the Nasopharynx, Recurrent Lymphoepithelioma of the Oropharynx, Recurrent Metastatic Squamous Neck Cancer With Occult Primary, Recurrent Midline Lethal Granuloma of the Paranasal Sinus and Nasal Cavity, Recurrent Mucoepidermoid Carcinoma of the Oral Cavity, Recurrent Non-small Cell Lung Cancer, Recurrent Parathyroid Cancer, Recurrent Salivary Gland Cancer, Recurrent Squamous Cell Carcinoma of the Hypopharynx, Recurrent Squamous Cell Carcinoma of the Larynx, Recurrent Squamous Cell Carcinoma of the Lip and Oral Cavity, Recurrent Squamous Cell Carcinoma of the Nasopharynx, Recurrent Squamous Cell Carcinoma of the Oropharynx, Recurrent Squamous Cell Carcinoma of the Paranasal Sinus and Nasal Cavity, Recurrent Thyroid Cancer, Recurrent Verrucous Carcinoma of the Larynx, Stage III Follicular Thyroid Cancer, Stage III Papillary Thyroid Cancer, Stage III Salivary Gland Cancer, Stage III Squamous Cell Carcinoma of the Hypopharynx, Stage III Squamous Cell Carcinoma of the Larynx, Stage III Verrucous Carcinoma of the Larynx, Stage IIIB Non-small Cell Lung Cancer, Stage IV Lymphoepithelioma of the Nasopharynx, Stage IV Non-small Cell Lung Cancer, Stage IV Squamous Cell Carcinoma of the Hypopharynx, Stage IV Squamous Cell Carcinoma of the Nasopharynx, Stage IVA Adenoid Cystic Carcinoma of the Oral Cavity, Stage IVA Basal Cell Carcinoma of the Lip, Stage IVA Esthesioneuroblastoma of the Paranasal Sinus and Nasal Cavity, Stage IVA Follicular Thyroid Cancer, Stage IVA Inverted Papilloma of the Paranasal Sinus and Nasal Cavity, Stage IVA Lymphoepithelioma of the Oropharynx, Stage IVA Midline Lethal Granuloma of the Paranasal Sinus and Nasal Cavity, Stage IVA Mucoepidermoid Carcinoma of the Oral Cavity, Stage IVA Papillary Thyroid Cancer, Stage IVA Salivary Gland Cancer, Stage IVA Squamous Cell Carcinoma of the Larynx, Stage IVA Squamous Cell Carcinoma of the Lip and Oral Cavity, Stage IVA Squamous Cell Carcinoma of the Oropharynx, Stage IVA Squamous Cell Carcinoma of the Paranasal Sinus and Nasal Cavity, Stage IVA Verrucous Carcinoma of the Larynx, Stage IVA Verrucous Carcinoma of the Oral Cavity, Stage IVB Adenoid Cystic Carcinoma of the Oral Cavity, Stage IVB Basal Cell Carcinoma of the Lip, Stage IVB Esthesioneuroblastoma of the Paranasal Sinus and Nasal Cavity, Stage IVB Follicular Thyroid Cancer, Stage IVB Inverted Papilloma of the Paranasal Sinus and Nasal Cavity, Stage IVB Lymphoepithelioma of the Oropharynx, Stage IVB Midline Lethal Granuloma of the Paranasal Sinus and Nasal Cavity, Stage IVB Mucoepidermoid Carcinoma of the Oral Cavity, Stage IVB Papillary Thyroid Cancer, Stage IVB Salivary Gland Cancer, Stage IVB Squamous Cell Carcinoma of the Larynx, Stage IVB Squamous Cell Carcinoma of the Lip and Oral Cavity, Stage IVB Squamous Cell Carcinoma of the Oropharynx, Stage IVB Squamous Cell Carcinoma of the Paranasal Sinus and Nasal Cavity, Stage IVB Verrucous Carcinoma of the Larynx, Stage IVB Verrucous Carcinoma of the Oral Cavity, Stage IVC Adenoid Cystic Carcinoma of the Oral Cavity, Stage IVC Basal Cell Carcinoma of the Lip, Stage IVC Esthesioneuroblastoma of the Paranasal Sinus and Nasal Cavity, Stage IVC Follicular Thyroid Cancer, Stage IVC Inverted Papilloma of the Paranasal Sinus and Nasal Cavity, Stage IVC Lymphoepithelioma of the Oropharynx, Stage IVC Midline Lethal Granuloma of the Paranasal Sinus and Nasal Cavity, Stage IVC Mucoepidermoid Carcinoma of the Oral Cavity, Stage IVC Papillary Thyroid Cancer, Stage IVC Salivary Gland Cancer, Stage IVC Squamous Cell Carcinoma of the Larynx, Stage IVC Squamous Cell Carcinoma of the Lip and Oral Cavity, Stage IVC Squamous Cell Carcinoma of the Oropharynx, Stage IVC Squamous Cell Carcinoma of the Paranasal Sinus and Nasal Cavity, Stage IVC Verrucous Carcinoma of the Larynx, Stage IVC Verrucous Carcinoma of the Oral Cavity, Thryoid Gland Nonmedullary Carcinoma, Thyroid Gland Medullary Carcinoma, Tongue Cancer, Untreated Metastatic Squamous Neck Cancer With Occult Primary
Interventions
gefitinib
Drug
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
Not listed
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2003
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jan 13, 2013 · Synced Sep 4, 2026, 4:03 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

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

NCT00580788
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Feb 10, 2016 · Synced Sep 4, 2026, 4:03 PM EDT
Completed Phase 4 Interventional Results available

Trial to Optimize Mineral Outcomes in Dialysis Patients

NCT01100723
View directory record Official record
Conditions
Secondary Hyperparathyroidism, Chronic Kidney Disease
Interventions
Cinacalcet, active vitamin D analogue
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years and older
Enrollment
92 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Lynchburg, Virginia
Source: ClinicalTrials.gov public record
Updated Jan 1, 2017 · Synced Sep 4, 2026, 4:03 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

7 Day Continuous Parathyroid Hormone IV Infusion

NCT00377312
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 Sep 4, 2026, 4:03 PM EDT
Completed Not applicable Interventional

Identifying Vitamin D Deficiency in Very Low Birth Weight Infant (VLBW) Infants Part 2

NCT01363167
View directory record Official record
Conditions
Infant, Very Low Birth Weight, Calcium Deficiency, Vitamin D Deficiency
Interventions
400 IU Cholecalciferol- Vitamin D Daily
Dietary Supplement
Lead sponsor
Medical University of South Carolina
Other
Eligibility
1 Day to 3 Days
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
2
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Nov 23, 2014 · Synced Sep 4, 2026, 4:03 PM EDT
Completed Phase 1 Interventional

Thymus Transplantation With Immunosuppression

NCT00579709
View directory record Official record
Conditions
DiGeorge Syndrome, DiGeorge Anomaly, Complete DiGeorge Anomaly, Complete DiGeorge Syndrome
Interventions
Thymus Tissue for Transplantation
Biological
Lead sponsor
Sumitomo Pharma Switzerland GmbH
Industry
Eligibility
Not listed
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2019
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 3, 2022 · Synced Sep 4, 2026, 4:03 PM EDT
Enrolling by invitation Not applicable Interventional

Comparing the Impact of AMNIOEFFECT Application vs Standard of Care on Post-Operative Healing in Patients Who Have Undergone Thyroid and Parathyroid Surgery Via the Transcutaneous Approach

NCT07173621
View directory record Official record
Conditions
Thyroid; Wound, Parathyroid Diseases, Surgical Incision, Incision
Interventions
Amnioeffect
Other
Lead sponsor
Sarasota Memorial Health Care System
Other
Eligibility
18 Years and older
Enrollment
334 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Sarasota, Florida
Source: ClinicalTrials.gov public record
Updated Aug 2, 2026 · Synced Sep 4, 2026, 4:03 PM 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 Sep 4, 2026, 4:03 PM EDT
Completed No phase listed Observational

Pilot Study: Hypovitaminosis D, Hyperparathyroidism and Hypomagnesemia in Patients With Congestive Heart Failure

NCT00887666
View directory record Official record
Conditions
Congestive Heart Failure, Hypovitaminosis D, Hyperparathyroidism
Interventions
Not listed
Lead sponsor
State University of New York - Downstate Medical Center
Other
Eligibility
18 Years and older
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
Brooklyn, New York
Source: ClinicalTrials.gov public record
Updated Apr 17, 2017 · Synced Sep 4, 2026, 4:03 PM EDT
Completed Phase 1 Interventional

A Study to Determine the Patient Preference Between Zosano Pharma Parathyroid Hormone (ZP-PTH) Patch and Forteo Pen

NCT02478879
View directory record Official record
Conditions
Postmenopausal Osteoporosis
Interventions
ZP-PTH, FORTEO
Drug
Lead sponsor
Zosano Pharma Corporation
Industry
Eligibility
55 Years to 85 Years · Female only
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015
U.S. locations
1
States / cities
Daytona Beach, Florida
Source: ClinicalTrials.gov public record
Updated Aug 22, 2016 · Synced Sep 4, 2026, 4:03 PM EDT
Completed Not applicable Interventional

Parathyroid Hormone Levels in Relation to the Phosphorus Content of Meals

NCT00018135
View directory record Official record
Conditions
Renal Failure
Interventions
calcium acetate, aluminum hydroxide, Sevelamer
Drug
Lead sponsor
National Center for Research Resources (NCRR)
NIH
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jun 23, 2005 · Synced Sep 4, 2026, 4:03 PM EDT
Completed Phase 2Phase 3 Interventional Results available

Safety/Efficacy Study of CTAP101 in Chronic Kidney Disease Subjects With Secondary Hyperparathyroidism (SHPT)

NCT01219855
View directory record Official record
Conditions
Chronic Kidney Disease, Secondary Hyperparathyroidism, Vitamin D Insufficiency
Interventions
Cohort 1 CTAP101 Capsules- 60µg, Cohort 1 CTAP101 Capsules - 90µg, Cohort 1 Matching Sugar Capsule, Cohort 2 CTAP101 Capsules - 30µg, Cohort 2 Matching Sugar Capsule
Drug
Lead sponsor
OPKO Health, Inc.
Industry
Eligibility
18 Years to 85 Years
Enrollment
78 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Bannockburn, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 24, 2016 · Synced Sep 4, 2026, 4:03 PM EDT
Completed Not applicable Interventional

Randomized Study of Human Parathyroid Hormone in Middle-Aged Men With Idiopathic Osteoporosis

NCT00004406
View directory record Official record
Conditions
Osteoporosis
Interventions
human parathyroid hormone
Drug
Lead sponsor
Columbia University
Other
Eligibility
29 Years to 67 Years · Male only
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2004
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 24, 2015 · Synced Sep 4, 2026, 4:03 PM 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 4, 2026, 4:03 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Evaluation Of SB-751689 Administered At Supratherapeutic Dose Levels In Healthy Adult Subjects.

NCT00468689
View directory record Official record
Conditions
Osteoporosis
Interventions
SB-751689 oral tablets (100 and 400 ng), Ketoconazole (NIZORAL) oral tablets (200 mg)
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 60 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 12, 2008 · Synced Sep 4, 2026, 4:03 PM EDT