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ClinicalTrials.gov public records Last synced Oct 21, 2026, 2:12 AM EDT

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Showing 25–48 of 132 matching trials from the live ClinicalTrials.gov search.
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Completed Phase 1 Interventional

Effect of Sevelamer Carbonate on Oxidative Stress in Patients With Diabetic Nephropathy

NCT00967629
View directory record Official record
Conditions
Diabetic Nephropathy
Interventions
Sevelamer Carbonate, Calcium Carbonate
Drug
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 18, 2011 · Synced Oct 21, 2026, 2:12 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Clinical Efficacy of a Toothpaste on Hypersensitivity Reduction

NCT01040169
View directory record Official record
Conditions
Hypersensitivity
Interventions
Arginine/Calcium Carbonate, Mint Prophy paste - Fluoride free
Device
Lead sponsor
Colgate Palmolive
Industry
Eligibility
18 Years to 70 Years
Enrollment
79 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Dec 10, 2013 · Synced Oct 21, 2026, 2:12 AM EDT
Completed Phase 2Phase 3 Interventional Results available

Vitamin D/Calcium Polyp Prevention Study

NCT00153816
View directory record Official record
Conditions
Colorectal Cancer, Polyps, Adenomas
Interventions
Calcium Carbonate, Vitamin D3, placebo
Drug
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
45 Years to 75 Years
Enrollment
2,813 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2016
U.S. locations
10
States / cities
Los Angeles, California • Denver, Colorado • Atlanta, Georgia + 7 more
Source: ClinicalTrials.gov public record
Updated Mar 15, 2017 · Synced Oct 21, 2026, 2:12 AM EDT
Completed Not applicable Interventional

Effect of Bacillus Coagulans and Galactomannans on Obese Patients Undergoing Sleeve Gastrectomy

NCT02868489
View directory record Official record
Conditions
Obesity, Quality of Life
Interventions
LactoWise®, Placebo
Dietary Supplement · Other
Lead sponsor
Loma Linda University
Other
Eligibility
18 Years to 70 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Loma Linda, California
Source: ClinicalTrials.gov public record
Updated Sep 24, 2021 · Synced Oct 21, 2026, 2:12 AM EDT
Completed Phase 3 Interventional

Supplemental Calcium in Overweight People

NCT00030238
View directory record Official record
Conditions
Obesity
Interventions
Calcium supplement, Placebo
Drug
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
18 Years and older
Enrollment
540 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2007
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 22, 2019 · Synced Oct 21, 2026, 2:12 AM EDT
Completed Phase 2 Interventional Results available

Effect of Alendronate on Bone in People With Chronic Spinal Cord Injury (SCI) Previously Treated With Teriparatide

NCT02195895
View directory record Official record
Conditions
Spinal Cord Injury, Bone Loss, Osteoporosis
Interventions
Alendronate, Calcium, Vitamin D
Drug · Dietary Supplement
Lead sponsor
Northwestern University
Other
Eligibility
21 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 30, 2023 · Synced Oct 21, 2026, 2:12 AM EDT
Completed Early Phase 1 Interventional

High Dose Vit D Musculoskeletal Symptoms & Bone Density in Anastrozole-Treated Breast Cancer With Marginal Vit D Status

NCT00263185
View directory record Official record
Conditions
Breast Neoplasms
Interventions
Vitamin D, Calcium carbonate, Vitamin D, Placebo
Dietary Supplement · Drug · Other
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older · Female only
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Sep 22, 2014 · Synced Oct 21, 2026, 2:12 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Factors in Learning And Plasticity: Healthy Vision

NCT05439759
View directory record Official record
Conditions
Central Visual Impairment, Macular Degeneration
Interventions
Condition 1: Training visual sensitivity, Condition 2: Training spatial integration, Condition 3: Training spatial attention, Condition 4: Combination training
Behavioral
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 30 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
2
States / cities
Birmingham, Alabama • Riverside, California
Source: ClinicalTrials.gov public record
Updated Feb 9, 2026 · Synced Oct 21, 2026, 2:12 AM EDT
Completed Phase 2 Interventional Results available

Proof of Concept Study Efficacy of an Antacid/Lansoprazole Combination for Relief of Heartburn

NCT01037452
View directory record Official record
Conditions
Heartburn
Interventions
Calcium carbonate/magnesium hydroxide/Lansoprazole 15 mg, Lansoprazole, Calcium carbonate/magnesium hydroxide, Placebo
Drug
Lead sponsor
Novartis
Industry
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2009
U.S. locations
1
States / cities
Anaheim, California
Source: ClinicalTrials.gov public record
Updated Mar 28, 2011 · Synced Oct 21, 2026, 2:12 AM EDT
Completed Phase 2 Interventional Results available

Safety and Efficacy of Alendronate (Fosamax) in Children With Osteoporosis

NCT00259857
View directory record Official record
Conditions
Osteoporosis
Interventions
Alendronate
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
5 Years to 15 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2009
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Jan 19, 2011 · Synced Oct 21, 2026, 2:12 AM EDT
Completed Phase 2 Interventional Results available

Safety and Effectiveness of Alendronate for Bone Mineral Density in HIV-infected Children and Adolescents

NCT00921557
View directory record Official record
Conditions
HIV Infection
Interventions
Alendronate, Placebo, Calcium carbonate/vitamin D
Drug · Dietary Supplement
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
11 Years to 24 Years
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2017
U.S. locations
7
States / cities
Los Angeles, California • Miami, Florida • Tampa, Florida + 4 more
Source: ClinicalTrials.gov public record
Updated Nov 5, 2021 · Synced Oct 21, 2026, 2:12 AM EDT
Completed Not applicable Interventional Results available

Safety and Effectiveness of an Intracranial Aneurysm Embolization System for Treating Large or Giant Wide Neck Aneurysms

NCT01716117
View directory record Official record
Conditions
Brain Aneurysm
Interventions
Surpass Flow Diverter
Device
Lead sponsor
Stryker Neurovascular
Industry
Eligibility
19 Years to 80 Years
Enrollment
213 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2022
U.S. locations
25
States / cities
Irvine, California • Santa Barbara, California • Gainesville, Florida + 21 more
Source: ClinicalTrials.gov public record
Updated Dec 19, 2022 · Synced Oct 21, 2026, 2:12 AM EDT
Active, not recruiting Phase 3 Interventional

Ropeginterferon Alfa-2b (P1101) vs. Anagrelide in Essential Thrombocythemia Patients With Hydroxyurea Resistance or Intolerance

NCT04285086
View directory record Official record
Conditions
Essential Thrombocythemia
Interventions
Ropeginterferon alfa-2b, Anagrelide
Biological · Drug
Lead sponsor
PharmaEssentia
Industry
Eligibility
18 Years and older
Enrollment
174 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2029
U.S. locations
4
States / cities
Scottsdale, Arizona • St Louis, Missouri • Houston, Texas + 1 more
Source: ClinicalTrials.gov public record
Updated Jul 22, 2026 · Synced Oct 21, 2026, 2:12 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A New Paradigm for Vitamin D Sufficiency

NCT02969850
View directory record Official record
Conditions
New Biomarkers for Measuring Vitamin D Level
Interventions
Vitamin D Supplementation, Placebo, Calcium
Dietary Supplement · Other
Lead sponsor
NYU Langone Health
Other
Eligibility
60 Years to 90 Years · Female only
Enrollment
444 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
Mineola, New York
Source: ClinicalTrials.gov public record
Updated Oct 22, 2021 · Synced Oct 21, 2026, 2:12 AM EDT
Completed Not applicable Interventional Results available

Impact of Vitamin D on Diabetic Kidney Disease in African Americans

NCT01214356
View directory record Official record
Conditions
Diabetic Kidney Disease
Interventions
Vitamin D3
Dietary Supplement
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years and older
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Oct 16, 2018 · Synced Oct 21, 2026, 2:12 AM EDT
Terminated Not applicable Interventional Results available

Study of Adults With Low Growth Hormone Who Survived Childhood Cancer Where Treatment Caused Low Bone Density

NCT00145704
View directory record Official record
Conditions
Osteopenia
Interventions
bisphosphonate therapy (risedronate), Vitamin D supplement, Calcium
Drug · Dietary Supplement
Lead sponsor
State University of New York - Upstate Medical University
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2008
U.S. locations
1
States / cities
Syracuse, New York
Source: ClinicalTrials.gov public record
Updated Apr 8, 2013 · Synced Oct 21, 2026, 2:12 AM EDT
Completed Phase 3 Interventional Results available

A Study of Tirzepatide (LY3298176) Compared With Dulaglutide on Major Cardiovascular Events in Participants With Type 2 Diabetes

NCT04255433
View directory record Official record
Conditions
Type 2 Diabetes Mellitus
Interventions
Tirzepatide, Dulaglutide
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
40 Years and older
Enrollment
13,299 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
121
States / cities
Birmingham, Alabama • Concord, California • Covina, California + 106 more
Source: ClinicalTrials.gov public record
Updated Jul 8, 2026 · Synced Oct 21, 2026, 2:12 AM EDT
Completed Phase 3 Interventional Results available

Effect of Zoledronic Acid on Chemotherapy Induced Bone Loss

NCT00352846
View directory record Official record
Conditions
Non-Hodgkin's Lymphoma, Lymphoma
Interventions
Zoledronic Acid, Vitamin D, Calcium Carbonate
Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
135 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2011
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 2, 2013 · Synced Oct 21, 2026, 2:12 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

High-Intensity Interval Training for Older Adults

NCT05542758
View directory record Official record
Conditions
Age-Related Sarcopenia
Interventions
Total Body HIIT Program
Other
Lead sponsor
Creighton University
Other
Eligibility
65 Years to 95 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Jul 16, 2024 · Synced Oct 21, 2026, 2:12 AM EDT
Completed Phase 2 Interventional Results available

Effect of Simethicone on Eustachian Tube Dysfunction

NCT01312038
View directory record Official record
Conditions
Otitis Media
Interventions
Simethicone, Placebo
Drug
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 50 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 27, 2016 · Synced Oct 21, 2026, 2:12 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Effect of Soluble Corn Fiber Supplementation for 1 Year on Bone Metabolism in Adolescents

NCT02916862
View directory record Official record
Conditions
Osteoporosis
Interventions
Soluble Corn Fiber (SCF) without Calcium, Soluble Corn Fiber (SCF) + Calcium, Placebo, Placebo + calcium
Dietary Supplement · Combination Product
Lead sponsor
Florida International University
Other
Eligibility
9 Years to 14 Years
Enrollment
177 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2025
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Nov 10, 2025 · Synced Oct 21, 2026, 2:12 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Study of Parental Ratings of Quality of Life and Body Composition in 5-19 Year Olds While Participating in the Good NEWS 4 Kids Program

NCT01855009
View directory record Official record
Conditions
Quality of Life, Body Mass Index
Interventions
MannaBears, AlgaeCal Calcium, Calcium carbonate, Vitamin D3
Dietary Supplement
Lead sponsor
Integrative Health Technologies, Inc.
Network
Eligibility
5 Years to 19 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jun 24, 2013 · Synced Oct 21, 2026, 2:12 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Optimizing Vitamin D Status During Initial Military Training

NCT01617109
View directory record Official record
Conditions
Bone Health, Nutrition Status
Interventions
Ca/Vit D, Placebo
Dietary Supplement · Other
Lead sponsor
United States Army Research Institute of Environmental Medicine
Federal
Eligibility
17 Years to 42 Years
Enrollment
342 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2018
U.S. locations
2
States / cities
Fort Sill, Oklahoma • San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Oct 11, 2018 · Synced Oct 21, 2026, 2:12 AM EDT
Active, not recruiting Not applicable Interventional

Calcium Carbonate on Labor Induction

NCT06352775
View directory record Official record
Conditions
Pregnancy, Uterine Contraction
Interventions
Calcium Carbonate
Dietary Supplement
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older · Female only
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Nov 21, 2025 · Synced Oct 21, 2026, 2:12 AM EDT