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ClinicalTrials.gov public records Last synced Oct 28, 2026, 1:38 PM EDT

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Showing 1–24 of 304 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Parathyroid Hormone Clear all
Completed Not applicable Interventional

Association of FGF-23 and Parathyroid Hormone (PTH) in Dialysis Patients

NCT00477516
View directory record Official record
Conditions
End-Stage Renal Disease
Interventions
exposure to a high-calcium dialysate bath
Procedure
Lead sponsor
James B. Wetmore, MD
Other
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Jun 15, 2012 · Synced Oct 28, 2026, 1:38 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Treatment of Vitamin D Insufficiency

NCT00933244
View directory record Official record
Conditions
Vitamin D Deficiency
Interventions
High Dose Vitamin D3, Low Dose Vitamin D3, Placebo
Dietary Supplement
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
Up to 75 Years · Female only
Enrollment
230 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2014
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Nov 10, 2015 · Synced Oct 28, 2026, 1:38 PM EDT
Completed Phase 1 Interventional

Parathyroid and Thymus Transplantation in DiGeorge #931

NCT00566488
View directory record Official record
Conditions
DiGeorge Syndrome, Hypoparathyroidism, Complete DiGeorge Syndrome
Interventions
Thymus/Parathyroid Transplantation
Biological
Lead sponsor
Sumitomo Pharma Switzerland GmbH
Industry
Eligibility
Up to 24 Months
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2019
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 4, 2022 · Synced Oct 28, 2026, 1:38 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Interaction Between Calcium and Vitamin D Intake

NCT00762775
View directory record Official record
Conditions
Osteoporosis
Interventions
Calcium and vitamin D supplementation
Dietary Supplement
Lead sponsor
Winthrop University Hospital
Other
Eligibility
45 Years to 85 Years · Female only
Enrollment
78 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2011
U.S. locations
1
States / cities
Mineola, New York
Source: ClinicalTrials.gov public record
Updated Dec 11, 2014 · Synced Oct 28, 2026, 1:38 PM 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 28, 2018 · Synced Oct 28, 2026, 1:38 PM EDT
Completed Phase 2 Interventional Results available

The Effect of Etelcalcetide on CKD-MBD

NCT03960437
View directory record Official record
Conditions
Chronic Kidney Disease Mineral and Bone Disorder, Renal Osteodystrophy, Vascular Calcification, Hyperparathyroidism; Secondary, Renal
Interventions
Etelcalcetide
Drug
Lead sponsor
Thomas Nickolas, MD MS
Other
Eligibility
18 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 21, 2023 · Synced Oct 28, 2026, 1:38 PM EDT
Recruiting No phase listed Observational

Examining Genetic Factors That Affect the Severity of 22q11.2 Deletion Syndrome

NCT00556530
View directory record Official record
Conditions
DiGeorge Syndrome, 22q11.2 Deletion Syndrome
Interventions
Not listed
Lead sponsor
Albert Einstein College of Medicine
Other
Eligibility
Not listed
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2029
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 29, 2026 · Synced Oct 28, 2026, 1:38 PM EDT
Completed Phase 4 Interventional

A Phase 4 Study to Determine Dosing of Hectorol® Capsules When Converting From Zemplar® Injection

NCT00463021
View directory record Official record
Conditions
Secondary Hyperparathyroidism
Interventions
Hectorol (doxercalciferol capsules), Zemplar (paricalcitol injection)
Drug
Lead sponsor
Genzyme, a Sanofi Company
Industry
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007
U.S. locations
8
States / cities
Downey, California • Paramount, California • Hudson, Florida + 5 more
Source: ClinicalTrials.gov public record
Updated May 5, 2015 · Synced Oct 28, 2026, 1:38 PM EDT
Completed Not applicable Interventional

Low Magnitude Mechanical Stimuli Effects on Bone Structure in ESRD

NCT00364234
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 14, 2015 · Synced Oct 28, 2026, 1:38 PM EDT
Not listed No phase listed Observational

Variables That Are Correlated to Developing Multiple Endocrine Neoplasia (MEN) and Pancreatic Neuroendocrine Tumors (PNET)

NCT03053999
View directory record Official record
Conditions
Multiple Endocrine Neoplasia, Pancreatic Neuroendocrine Tumors, Hyperparathyroidism
Interventions
Genome Sequencing, Data Review
Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
Not listed
Enrollment
53 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2023
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 12, 2019 · Synced Oct 28, 2026, 1:38 PM EDT
Recruiting Not applicable Interventional

NIRAF-camera Versus Conventional Surgery in Preoperative Imaging Negative Primary Hyperparathyroidism

NCT07812649
View directory record Official record
Conditions
Primary Hyperparathyroidism
Interventions
NIRAF-camera
Other
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 11, 2026 · Synced Oct 28, 2026, 1:38 PM EDT
Completed Phase 3 Interventional Results available

Extension Study of Etelcalcetide in the Treatment of Secondary Hyperparathyroidism (SHPT) in Patients With Chronic Kidney Disease (CKD) on Hemodialysis

NCT01785875
View directory record Official record
Conditions
Hyperparathyroidism, Secondary
Interventions
Etelcalcetide
Drug
Lead sponsor
Amgen
Industry
Eligibility
18 Years to 100 Years
Enrollment
891 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
101
States / cities
Birmingham, Alabama • Pine Bluff, Arkansas • Azusa, California + 86 more
Source: ClinicalTrials.gov public record
Updated Apr 10, 2019 · Synced Oct 28, 2026, 1:38 PM EDT
Completed Phase 3 Interventional

Once Weekly Parathyroid Hormone for Osteoporosis

NCT00065637
View directory record Official record
Conditions
Osteopenia, Osteoporosis
Interventions
Teriparatide, Placebo teriparatide
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
45 Years to 70 Years · Female only
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2005
U.S. locations
1
States / cities
Bangor, Maine
Source: ClinicalTrials.gov public record
Updated Feb 5, 2013 · Synced Oct 28, 2026, 1:38 PM EDT
Completed Phase 3 Interventional Results available

A Trial Investigating the Safety, Tolerability and Efficacy of TransCon PTH Administered Daily in Adults With Hypoparathyroidism

NCT04701203
View directory record Official record
Conditions
Hypoparathyroidism, Endocrine System Diseases, Parathyroid Diseases
Interventions
TransCon PTH, Placebo
Combination Product
Lead sponsor
Ascendis Pharma Bone Diseases A/S
Industry
Eligibility
18 Years and older
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
9
States / cities
San Francisco, California • Chicago, Illinois • Rochester, Minnesota + 6 more
Source: ClinicalTrials.gov public record
Updated Jul 7, 2026 · Synced Oct 28, 2026, 1:38 PM EDT
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 16, 2017 · Synced Oct 28, 2026, 1:38 PM 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 29, 2024 · Synced Oct 28, 2026, 1:38 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Early Effects of Parathyroid Hormone (PTH) on the Proximal Femur

NCT01309399
View directory record Official record
Conditions
Osteoporosis
Interventions
Teriparatide, placebo
Drug · Other
Lead sponsor
Health Research, Inc.
Other
Eligibility
50 Years to 90 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2015
U.S. locations
1
States / cities
West Haverstraw, New York
Source: ClinicalTrials.gov public record
Updated Nov 23, 2016 · Synced Oct 28, 2026, 1:38 PM EDT
Completed No phase listed Observational

A Registry for Participants With Chronic Hypoparathyroidism

NCT01922440
View directory record Official record
Conditions
Hypoparathyroidism
Interventions
No intervention
Other
Lead sponsor
Takeda
Industry
Eligibility
Not listed
Enrollment
1,339 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2026
U.S. locations
54
States / cities
Birmingham, Alabama • Tucson, Arizona • Los Angeles, California + 42 more
Source: ClinicalTrials.gov public record
Updated Jul 14, 2026 · Synced Oct 28, 2026, 1:38 PM EDT
Completed Phase 3 Interventional Results available

A Open-label Study Investigating the Safety and Tolerability of NPSP558, a Recombinant Human Parathyroid Hormone (rhPTH [1-84]), for the Treatment of Adults With Hypoparathyroidism - A Clinical Extension Study (RACE)

NCT01297309
View directory record Official record
Conditions
Hypoparathyroidism
Interventions
NPSP558
Drug
Lead sponsor
Shire
Industry
Eligibility
18 Years to 85 Years
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2018
U.S. locations
14
States / cities
Lakewood, California • Jacksonville, Florida • Chicago, Illinois + 11 more
Source: ClinicalTrials.gov public record
Updated May 25, 2021 · Synced Oct 28, 2026, 1:38 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 17, 2018 · Synced Oct 28, 2026, 1:38 PM 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 29, 2025 · Synced Oct 28, 2026, 1:38 PM EDT
Completed Not applicable Interventional Results available

FGF-23 (Fibroblast Growth Factor 23) Regulation in Chronic Kidney Disease

NCT00999037
View directory record Official record
Conditions
Secondary Hyperparathyroidism
Interventions
Sevelamer Carbonate, Placebo
Drug · Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
6 Years to 21 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2015
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated May 31, 2023 · Synced Oct 28, 2026, 1:38 PM EDT
Completed Phase 4 Interventional Results available

Vitamin D Repletion in Primary Hyperparathyroidism

NCT01306656
View directory record Official record
Conditions
Primary Hyperparathyroidism, Vitamin D Deficiency
Interventions
10,000 IU Vitamin D3, Placebo, Vitamin D
Drug · Other · Dietary Supplement
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2017
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 16, 2019 · Synced Oct 28, 2026, 1:38 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 6, 2014 · Synced Oct 28, 2026, 1:38 PM EDT