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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: PTH Clear all
Completed Phase 2 Interventional Results available

Thymus Transplantation Dose in DiGeorge #932

NCT00576836
View directory record Official record
Conditions
DiGeorge Anomaly, DiGeorge Syndrome, Complete DiGeorge Anomaly, Complete DiGeorge Syndrome
Interventions
Cultured Thymus Tissue Implantation (CTTI), Cultured Thymus Tissue Implantation with Parathyroid Transplantation
Biological · Other
Lead sponsor
Sumitomo Pharma Switzerland GmbH
Industry
Eligibility
Not listed
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2019
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 24, 2022 · Synced Sep 8, 2026, 6:27 PM 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 Sep 8, 2026, 6:27 PM EDT
Completed Phase 3 Interventional Results available

Efficacy & Safety of Abaloparatide-Solid Microstructured Transdermal System in Postmenopausal Women With Osteoporosis

NCT04064411
View directory record Official record
Conditions
Postmenopausal Osteoporosis
Interventions
abaloparatide, abaloparatide solid microstructured transdermal system
Combination Product
Lead sponsor
Radius Health, Inc.
Industry
Eligibility
50 Years to 85 Years · Female only
Enrollment
511 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
77
States / cities
Birmingham, Alabama • Anchorage, Alaska • Glendale, Arizona + 65 more
Source: ClinicalTrials.gov public record
Updated Feb 14, 2023 · Synced Sep 8, 2026, 6:27 PM EDT
Completed Phase 3 Interventional Results available

Study of Safety and Efficacy of a rhPTH[1-84] of Fixed Doses of 25 and 50 mcg in Adults With Hypoparathyroidism (RELAY)

NCT01268098
View directory record Official record
Conditions
Hypoparathyroidism
Interventions
NPSP558
Drug
Lead sponsor
Shire
Industry
Eligibility
18 Years to 85 Years
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
12
States / cities
Lakewood, California • Chicago, Illinois • Indianapolis, Indiana + 9 more
Source: ClinicalTrials.gov public record
Updated Jun 10, 2021 · Synced Sep 8, 2026, 6:27 PM EDT
Completed Not applicable Interventional

The Effect of Vitamin D Supplementation on Glucose Metabolism in Non-Diabetic African American Adults

NCT01141192
View directory record Official record
Conditions
Type 2 Diabetes
Interventions
vitamin D3, cholecalciferol, Inactive comparator
Dietary Supplement
Lead sponsor
Augusta University
Other
Eligibility
19 Years to 60 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010
U.S. locations
1
States / cities
Augusta, Georgia
Source: ClinicalTrials.gov public record
Updated Jun 9, 2010 · Synced Sep 8, 2026, 6:27 PM EDT
Completed Phase 1 Interventional

Effects of Vitamin D Replacement in Patients With Primary Hyperparathyroidism (PHPT)

NCT00538720
View directory record Official record
Conditions
Hyperparathyroidism
Interventions
Vitamin D, Four-dimensional computed tomography (4DCT)
Drug · Device
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
21 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2018
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 24, 2019 · Synced Sep 8, 2026, 6:27 PM EDT
Completed Phase 3 Interventional Results available

Safety and Efficacy of CTAP101 to Treat Secondary Hyperparathyroidism in Stage 3 or 4 CKD and Vitamin D Insufficiency

NCT01651000
View directory record Official record
Conditions
Chronic Kidney Disease, Hyperparathyroidism, Secondary, Vitamin D Deficiency
Interventions
CTAP101 30 μg capsules, Sugar pill to CTAP101 30 μg capsules
Drug · Other
Lead sponsor
OPKO IP Holdings II, Inc.
Industry
Eligibility
18 Years and older
Enrollment
213 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Bannockburn, Illinois
Source: ClinicalTrials.gov public record
Updated Jan 12, 2025 · Synced Sep 8, 2026, 6:27 PM EDT
Completed Phase 3 Interventional Results available

Study to Assess the Impact on Calcium Levels When Hemodialysis Patients With Secondary Hyperparathyroidism (SHPT) Switch From Cinacalcet to Etelcalcetide

NCT01932970
View directory record Official record
Conditions
Hyperparathyroidism, Secondary
Interventions
Etelcalcetide
Drug
Lead sponsor
Amgen
Industry
Eligibility
18 Years to 100 Years
Enrollment
158 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
40
States / cities
Alhambra, California • Azusa, California • Bakersfield, California + 37 more
Source: ClinicalTrials.gov public record
Updated Oct 16, 2018 · Synced Sep 8, 2026, 6:27 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Comparison Study of PTHrP and PTH to Treat Osteoporosis

NCT00853723
View directory record Official record
Conditions
Osteoporosis
Interventions
Parathyroid hormone related protein(1-36), Parathyroid hormone (1-34)
Drug
Lead sponsor
University of Pittsburgh
Other
Eligibility
45 Years to 75 Years · Female only
Enrollment
105 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 23, 2016 · Synced Sep 8, 2026, 6:27 PM EDT
Recruiting Phase 2Phase 3 Interventional

Accuracy of 18F-Fluorocholine PET/MR and NeuroEXPLORER PET/CT Imaging for Localization of Parathyroid Tumors

NCT07444723
View directory record Official record
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 Jun 1, 2026 · Synced Sep 8, 2026, 6:27 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Trial Of Paricalcitol and Cholecalciferol(Vitamin D3) in the Treatment Of Secondary Hyperparathyroidism in Patients After ROUX-EN-Y Gastric Bypass Surgery

NCT01138475
View directory record Official record
Conditions
Gastric Bypass, Parathyroid Hormone
Interventions
Paricalcitol, Cholecalciferol, Placebo
Drug
Lead sponsor
Kerstyn C. Zalesin, M.D.
Other
Eligibility
18 Years to 100 Years
Enrollment
49 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2015
U.S. locations
1
States / cities
Royal Oak, Michigan
Source: ClinicalTrials.gov public record
Updated Mar 21, 2017 · Synced Sep 8, 2026, 6:27 PM EDT
Completed Phase 2Phase 3 Interventional Results available

Bone Properties in Hypoparathyroidism: Effects of PTH

NCT00473265
View directory record Official record
Conditions
Hypoparathyroidism
Interventions
PTH
Drug
Lead sponsor
John P. Bilezikian
Other
Eligibility
18 Years and older
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2014
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 15, 2015 · Synced Sep 8, 2026, 6:27 PM EDT
Completed Phase 3 Interventional

Calcium Supplementation in Postmenopausal Women

NCT00172172
View directory record Official record
Conditions
Osteoporosis
Interventions
PTH/Calcium, PTH/placebo, placebo
Drug
Lead sponsor
Shire
Industry
Eligibility
45 Years and older · Female only
Enrollment
374 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
17
States / cities
Rancho Cucamonga, California • Lake Worth, Florida • Coeur d'Alene, Idaho + 14 more
Source: ClinicalTrials.gov public record
Updated May 24, 2021 · Synced Sep 8, 2026, 6:27 PM 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 Sep 8, 2026, 6:27 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluation and Management of Metabolic Bone Disease in Kidney Transplant Recipients

NCT03958409
View directory record Official record
Conditions
Skeletal Anomalies, Kidney Transplant; Complications
Interventions
measurements to evaluate metabolic bone disease, standard care
Diagnostic Test
Lead sponsor
Yale University
Other
Eligibility
30 Years to 65 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Feb 27, 2023 · Synced Sep 8, 2026, 6:27 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Skeletal Health in Bariatric Surgery Patients

NCT03331536
View directory record Official record
Conditions
Bariatric Surgery, Osteoporosis, Fractures, Bone, Roux En-Y Gastric Bypass, Sleeve Gastrectomy, Menopause, Premenopause
Interventions
Roux en Y Gastric Bypass Pre-menopausal, Roux en Y Gastric Bypass Post-menopausal, Sleeve Gastrectomy Pre-menopausal, Sleeve Gastrectomy Post-menopausal
Procedure
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
19 Years and older · Female only
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Aug 17, 2020 · Synced Sep 8, 2026, 6:27 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Effect of Vitamin D Supplementation on Muscle Mass and Function

NCT01199926
View directory record Official record
Conditions
Obesity, Insulin Resistance, Inflammation
Interventions
Vitamin D, Placebo
Dietary Supplement · Drug
Lead sponsor
Purdue University
Other
Eligibility
18 Years to 35 Years
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
1
States / cities
West Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated May 14, 2015 · Synced Sep 8, 2026, 6:27 PM EDT
Terminated Phase 2 Interventional Results available

Teriparatide (Forteo) in the Treatment of Patients With Postoperative Hypocalcemia

NCT00623974
View directory record Official record
Conditions
Hypocalcemia
Interventions
Teriparatide (Forteo), Calcium, Calcitriol
Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Dec 5, 2012 · Synced Sep 8, 2026, 6:27 PM EDT
Not listed Not applicable Interventional

STP.168 Clinical Study Protocol Parakeet

NCT06499142
View directory record Official record
Conditions
Parathyroid; Anomaly, Parathyroid Dysfunction, Hyperparathyroidism, Parathyroid Gland Adenoma
Interventions
Parakeet:The Parakeet Rapid Parathyroid Testing Kit is a rapid immunoassay designed to detect Parathormone (PTH) in a test sample.
Device
Lead sponsor
Neurovision Medical Products Inc
Industry
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Ventura, California
Source: ClinicalTrials.gov public record
Updated Jul 11, 2024 · Synced Sep 8, 2026, 6:27 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 8, 2026, 6:27 PM EDT
Terminated Phase 2Phase 3 Interventional

Bone Disease in Severely Burned Children

NCT00591162
View directory record Official record
Conditions
Burn
Interventions
Tetracycline, Duel Energy X-Ray Absorptiometry (DEXA), Bone Biopsy
Drug · Radiation · Procedure
Lead sponsor
The University of Texas Medical Branch, Galveston
Other
Eligibility
5 Years to 18 Years
Enrollment
254 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1992 – 2008
U.S. locations
1
States / cities
Galveston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 5, 2014 · Synced Sep 8, 2026, 6:27 PM EDT
Completed Phase 4 Interventional

The Forteo Alendronate Comparator Trial

NCT02416271
View directory record Official record
Conditions
Osteoporosis
Interventions
Teriparatide, Alendronate, Calcium, Vitamin D, Placebo-Oral, Placebo-SC
Drug · Dietary Supplement
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
45 Years to 85 Years · Female only
Enrollment
203 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2003
U.S. locations
15
States / cities
Mobile, Alabama • Tustin, California • Lakewood, Colorado + 12 more
Source: ClinicalTrials.gov public record
Updated Apr 13, 2015 · Synced Sep 8, 2026, 6:27 PM EDT
Completed Not applicable Interventional Results available

Impact of Vitamin B12 Replacement on Epogen Dosing and Improvement of Quality of Life in Hemodialysis Patients

NCT01876732
View directory record Official record
Conditions
Vitamin B12 Deficiency
Interventions
Vitamin B12
Drug
Lead sponsor
Northwell Health
Other
Eligibility
18 Years to 90 Years
Enrollment
132 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Staten Island, New York
Source: ClinicalTrials.gov public record
Updated Sep 7, 2014 · Synced Sep 8, 2026, 6:27 PM EDT
Completed Phase 3 Interventional Results available

Study of the Experience of Patients With Osteoporosis Using the Forteo B Pen to Self Administer Once Daily Teriparatide Therapy

NCT00577863
View directory record Official record
Conditions
Osteoporosis
Interventions
teriparatide
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
Not listed
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008
U.S. locations
18
States / cities
Huntsville, Alabama • Montgomery, Alabama • Peoria, Arizona + 15 more
Source: ClinicalTrials.gov public record
Updated Jul 21, 2009 · Synced Sep 8, 2026, 6:27 PM EDT