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ClinicalTrials.gov public records Last synced Oct 22, 2026, 5:03 AM EDT

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Showing 1–24 of 37 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: HHC Clear all
Completed Phase 4 Interventional Accepts healthy volunteers Results available

The Effect of Protein on Calcium Absorption and Gastric Acid Production

NCT00719160
View directory record Official record
Conditions
Osteoporosis
Interventions
esomeprazole, Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 45 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2008
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 6, 2020 · Synced Oct 22, 2026, 5:03 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of Cinacalcet on Gastric Acid Output in Healthy Subjects

NCT00336739
View directory record Official record
Conditions
Healthy
Interventions
cinacalcet
Drug
Lead sponsor
Tufts University
Other
Eligibility
45 Years to 70 Years
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 23, 2007 · Synced Oct 22, 2026, 5:03 AM EDT
Completed Not applicable Interventional Results available

Massive Iron Deposit Assessment

NCT01572922
View directory record Official record
Conditions
Iron Overload, Excessive Body Iron Burden
Interventions
R2*-UTE, R2*-GRE, Liver biopsy
Device · Procedure
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
Not listed
Enrollment
142 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2018
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Jun 11, 2019 · Synced Oct 22, 2026, 5:03 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Improving TRansitions ANd OutcomeS for Heart FailurE Patients in Home Health CaRe (I-TRANSFER-HF)

NCT06118983
View directory record Official record
Conditions
Heart Failure
Interventions
I-TRANSFER-HF
Other
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years and older
Enrollment
1,094 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
2
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 21, 2026 · Synced Oct 22, 2026, 5:03 AM EDT
Completed No phase listed Observational

Iron Overload in Stem Cell Transplant Recipients

NCT00806715
View directory record Official record
Conditions
Iron Overload
Interventions
Not listed
Lead sponsor
Boston Children's Hospital
Other
Eligibility
5 Years and older
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 26, 2018 · Synced Oct 22, 2026, 5:03 AM EDT
Completed Not applicable Interventional Results available

An Intervention to Reduce Second Hand Smoke Exposure Among Pediatric Emergency Patients

NCT02531594
View directory record Official record
Conditions
Smoking Cessation
Interventions
SBIRT, HHC
Behavioral
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
Not listed
Enrollment
770 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 15, 2023 · Synced Oct 22, 2026, 5:03 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

An Adaptive Phase I Study to Evaluate the Safety, Efficacy and Dose Responses of Ronacaleret in Healthy Human Volunteers

NCT01466335
View directory record Official record
Conditions
Bone Marrow Transplantation
Interventions
Ronacaleret (100mg tablet), Placebo
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 65 Years
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Jun 20, 2017 · Synced Oct 22, 2026, 5:03 AM EDT
Active, not recruiting Phase 2 Interventional

Efficacy and Safety of Vamifeport in Adult Participants With Homeostatic Iron Regulator Gene (HFE)-Related Hereditary Hemochromatosis

NCT07332091
View directory record Official record
Conditions
Homeostatic Iron Regulator Gene-related Hereditary Hemochromatosis
Interventions
Vamifeport, Placebo
Drug
Lead sponsor
CSL Behring
Industry
Eligibility
18 Years and older
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
20
States / cities
Gilbert, Arizona • San Diego, California • Jacksonville, Florida + 16 more
Source: ClinicalTrials.gov public record
Updated Oct 21, 2026 · Synced Oct 22, 2026, 5:03 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Evaluation of a New MR Pulse Sequence to Quantify Liver Iron Concentration

NCT00587535
View directory record Official record
Conditions
Hemochromatosis
Interventions
Not listed
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2011
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 22, 2016 · Synced Oct 22, 2026, 5:03 AM EDT
Active, not recruiting No phase listed Observational

ADH1 and ADH2 Disease Monitoring Study (DMS)

NCT05227287
View directory record Official record
Conditions
Autosomal Dominant Hypocalcemia
Interventions
Not listed
Lead sponsor
Calcilytix Therapeutics, Inc., a BridgeBio company
Industry
Eligibility
Up to 90 Years
Enrollment
95 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2028
U.S. locations
9
States / cities
Oakland, California • Aurora, Colorado • Jacksonville, Florida + 6 more
Source: ClinicalTrials.gov public record
Updated Apr 30, 2026 · Synced Oct 22, 2026, 5:03 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Impact of Host Iron Status and Iron Supplement Use on Erythrocytic Stage of Plasmodium Falciparum

NCT01027663
View directory record Official record
Conditions
Iron Deficiency Anemia, Malaria
Interventions
Iron Supplement
Dietary Supplement
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 70 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2015
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 8, 2016 · Synced Oct 22, 2026, 5:03 AM EDT
Completed No phase listed Observational

Deferoxamine for the Treatment of Hemochromatosis

NCT00001203
View directory record Official record
Conditions
Diabetes Mellitus, Heart Disease, Hemochromatosis, Thalassemia
Interventions
Not listed
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
4 Years and older
Enrollment
151 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1985 – 2015
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 12, 2019 · Synced Oct 22, 2026, 5:03 AM EDT
Completed Phase 1 Interventional

Oral Nifedipine to Treat Iron Overload

NCT00712738
View directory record Official record
Conditions
Thalassemia, Iron Overload, Hemochromatosis
Interventions
Nifedipine, Phlebotomy, Urinalysis, Echocardiogram, Electrocardiogram
Drug · Procedure
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 22, 2026, 5:03 AM EDT
Completed Phase 2 Interventional Results available

A Study of LJPC-401 for the Treatment of Iron Overload in Adult Patients With Hereditary Hemochromatosis

NCT03395704
View directory record Official record
Conditions
Hereditary Hemochromatosis
Interventions
LJPC-401, Placebo
Drug
Lead sponsor
La Jolla Pharmaceutical Company
Industry
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
18
States / cities
North Little Rock, Arkansas • Los Angeles, California • Palo Alto, California + 15 more
Source: ClinicalTrials.gov public record
Updated Jun 9, 2022 · Synced Oct 22, 2026, 5:03 AM EDT
Completed No phase listed Observational

Iron Overload in African Americans

NCT00001455
View directory record Official record
Conditions
Hemochromatosis, Iron Overload
Interventions
Not listed
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
Not listed
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1995 – 2000
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 4, 2008 · Synced Oct 22, 2026, 5:03 AM EDT
Completed Phase 4 Interventional Results available

Novel Combination Therapy for Osteoporosis in Men

NCT03994172
View directory record Official record
Conditions
Male Osteoporosis
Interventions
Teriparatide or human parathyroid hormone (PTH) 1-34, Cinacalcet, placebo tablet, Calcium citrate tablet, Vitamin D3
Drug · Dietary Supplement
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
60 Years to 85 Years · Male only
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Sep 3, 2026 · Synced Oct 22, 2026, 5:03 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Cardiovascular and Metabolic Sciences Biorepository

NCT06560424
View directory record Official record
Conditions
Cardiovascular Diseases, Metabolic Disease
Interventions
Not listed
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
10,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2050
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 25, 2026 · Synced Oct 22, 2026, 5:03 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study To Investigate The Metabolism And Excretion Of 14C SB-751689 Given To Healthy Males And Postmenopausal Women

NCT00499928
View directory record Official record
Conditions
Osteoporosis
Interventions
SB-751689
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
35 Years to 65 Years
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated May 18, 2009 · Synced Oct 22, 2026, 5:03 AM EDT
Completed Not applicable Interventional

Endoscopic Ultrasound vs Percutaneous Route for Liver Biopsy

NCT04003766
View directory record Official record
Conditions
Liver Biopsy
Interventions
biopsy
Diagnostic Test
Lead sponsor
AdventHealth
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Feb 24, 2022 · Synced Oct 22, 2026, 5:03 AM EDT
Completed Not applicable Interventional Results available

Improving Control and Reducing the Risk of Hypoglycemic Episodes in Type 1 Diabetes

NCT00315939
View directory record Official record
Conditions
Diabetes Mellitus, Type 1
Interventions
Integrated Biobehavioral Monitoring & Feedback - 1 (IBMF-1), Integrated Biobehavioral Monitoring & Feedback - 2 (IBMF-2)
Device
Lead sponsor
Boris Kovatchev, PhD
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Sep 18, 2014 · Synced Oct 22, 2026, 5:03 AM EDT
Completed No phase listed Observational

Cardiac Function in Patients With Hereditary Hemochromatosis

NCT00068159
View directory record Official record
Conditions
Hereditary Hemochromatosis
Interventions
Not listed
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
21 Years to 100 Years
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2022
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated May 3, 2024 · Synced Oct 22, 2026, 5:03 AM EDT
Active, not recruiting Phase 3 Interventional

Efficacy and Safety of Encaleret Compared to Standard of Care in Participants With ADH1

NCT05680818
View directory record Official record
Conditions
Autosomal Dominant Hypocalcemia (ADH)
Interventions
Encaleret, Standard of Care
Drug · Dietary Supplement
Lead sponsor
Calcilytix Therapeutics, Inc., a BridgeBio company
Industry
Eligibility
16 Years and older
Enrollment
67 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2029
U.S. locations
11
States / cities
Oakland, California • Aurora, Colorado • Indianapolis, Indiana + 8 more
Source: ClinicalTrials.gov public record
Updated Jul 29, 2026 · Synced Oct 22, 2026, 5:03 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

To Estimate Relative Bioavailability of 5 Formulations of Ronacaleret Given to Healthy Postmenopausal Females

NCT00651534
View directory record Official record
Conditions
Osteoporosis
Interventions
Ronacaleret
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
Female only
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2008
U.S. locations
1
States / cities
Port Orange, Florida
Source: ClinicalTrials.gov public record
Updated May 2, 2016 · Synced Oct 22, 2026, 5:03 AM EDT
Completed Phase 2 Interventional Results available

A Study to Determine the Effects of NPSP795 on the Calcium-sensing Receptor in Subjects With Autosomal Dominant Hypocalcemia as Measured by PTH Levels and Blood Calcium Concentrations

NCT02204579
View directory record Official record
Conditions
Autosomal Dominant Hypocalcemia (ADH)
Interventions
NPSP795
Drug
Lead sponsor
Shire
Industry
Eligibility
18 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 9, 2021 · Synced Oct 22, 2026, 5:03 AM EDT