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Showing 1–24 of 248 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Parathyroid Hormone 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 7, 2026, 5:09 AM 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 7, 2026, 5:09 AM 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 7, 2026, 5:09 AM 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 7, 2026, 5:09 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 Sep 7, 2026, 5:09 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 7, 2026, 5:09 AM 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 7, 2026, 5:09 AM 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 7, 2026, 5:09 AM 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 7, 2026, 5:09 AM 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 7, 2026, 5:09 AM 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 7, 2026, 5:09 AM 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 7, 2026, 5:09 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 Sep 7, 2026, 5:09 AM EDT
Enrolling by invitation Phase 4 Interventional

Fracture Recovery for Returning to Duty (Teriparatide STRONG)

NCT04589819
View directory record Official record
Conditions
Stress Fracture of Tibia or Fibula
Interventions
Teriparatide, Placebos
Drug
Lead sponsor
University of South Carolina
Other
Eligibility
Not listed
Enrollment
183 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Columbia, South Carolina
Source: ClinicalTrials.gov public record
Updated Feb 12, 2023 · Synced Sep 7, 2026, 5:09 AM EDT
Completed Phase 3 Interventional Results available

Effect of Teriparatide on Hip Fracture Healing

NCT01473589
View directory record Official record
Conditions
Femur Neck Fracture
Interventions
Teriparatide, Placebo, Calcium supplementation, Vitamin D supplementation
Drug · Dietary Supplement
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
50 Years and older
Enrollment
122 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
24
States / cities
Phoenix, Arizona • Tucson, Arizona • La Mesa, California + 21 more
Source: ClinicalTrials.gov public record
Updated Apr 15, 2015 · Synced Sep 7, 2026, 5:09 AM 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 7, 2026, 5:09 AM EDT
Not listed Phase 2 Interventional Accepts healthy volunteers

Cyclic Versus Daily Teriparatide on Bone Mass

NCT00668941
View directory record Official record
Conditions
Osteoporosis
Interventions
Teriparatide, Alendronate, Calcium, Vitamin D3
Drug · Dietary Supplement
Lead sponsor
Helen Hayes Hospital
Other
Eligibility
45 Years to 85 Years · Female only
Enrollment
140 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2017
U.S. locations
1
States / cities
West Haverstraw, New York
Source: ClinicalTrials.gov public record
Updated Aug 9, 2017 · Synced Sep 7, 2026, 5:09 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Combination Osteogenic Therapy in Established Osteoporosis

NCT00018447
View directory record Official record
Conditions
Osteoporosis, Post-Menopausal
Interventions
PTH 1-34, MFPSR-fluoride
Drug
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
60 Years to 80 Years · Female only
Healthy volunteers
Accepts healthy volunteers
Timeline
1998 – 2003
U.S. locations
1
States / cities
Loma Linda, California
Source: ClinicalTrials.gov public record
Updated Jan 20, 2009 · Synced Sep 7, 2026, 5:09 AM 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 7, 2026, 5:09 AM 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 7, 2026, 5:09 AM 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 7, 2026, 5:09 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Enhancing Osteoporosis Therapy: Can We Open the Anabolic Window?

NCT01166958
View directory record Official record
Conditions
Osteoporosis
Interventions
Teriparatide, Raloxifene
Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
60 Years to 89 Years · Female only
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Sep 21, 2014 · Synced Sep 7, 2026, 5:09 AM 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 7, 2026, 5:09 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Bone Metabolism and Parathyroid Hormone-related Protein (PTHrP) Lactation Study

NCT00430417
View directory record Official record
Conditions
Bone Diseases, Endocrine
Interventions
Not listed
Lead sponsor
University of Pittsburgh
Other
Eligibility
21 Years to 45 Years · Female only
Enrollment
49 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 30, 2013 · Synced Sep 7, 2026, 5:09 AM EDT