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ClinicalTrials.gov public records Last synced Oct 18, 2026, 5:00 AM EDT

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Showing 1–24 of 157 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: calcium carbonate Clear all
Completed Phase 3 Interventional

Risedronate in Preventing Bone Loss in Premenopausal Women Receiving Chemotherapy for Primary Breast Cancer

NCT00054418
View directory record Official record
Conditions
Breast Cancer, Osteoporosis
Interventions
calcium carbonate, vitamin D, risedronate sodium, placebo
Dietary Supplement · Drug · Other
Lead sponsor
Alliance for Clinical Trials in Oncology
Other
Eligibility
18 Years and older · Female only
Enrollment
216 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2008
U.S. locations
198
States / cities
Mobile, Alabama • Scottsdale, Arizona • Aurora, Colorado + 124 more
Source: ClinicalTrials.gov public record
Updated Jul 13, 2016 · Synced Oct 18, 2026, 5:00 AM EDT
Recruiting Not applicable Interventional

Combining Spinal Cord Transcutaneous Stimulation and Activity-based Training in Inpatient Rehabilitation to Facilitate Upper Limb Function of Individuals with Acute to Subacute Cervical Spinal Cord Injury

NCT06773286
View directory record Official record
Conditions
Spinal Cord Injury Cervical
Interventions
Active Stimulation, Sham, Training only
Other
Lead sponsor
Kessler Foundation
Other
Eligibility
18 Years to 75 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
West Orange, New Jersey
Source: ClinicalTrials.gov public record
Updated Jan 14, 2025 · Synced Oct 18, 2026, 5:00 AM EDT
Active, not recruiting Phase 3 Interventional

Imatinib Mesylate and Combination Chemotherapy in Treating Patients With Newly Diagnosed Philadelphia Chromosome Positive Acute Lymphoblastic Leukemia

NCT03007147
View directory record Official record
Conditions
Acute Lymphoblastic Leukemia, B Acute Lymphoblastic Leukemia, Mixed Phenotype Acute Leukemia, T Acute Lymphoblastic Leukemia
Interventions
Allogeneic Hematopoietic Stem Cell Transplantation, Calaspargase Pegol, Cyclophosphamide, Cytarabine, Daunorubicin Hydrochloride, Dexamethasone, Dexrazoxane Hydrochloride, Doxorubicin, Etoposide, Filgrastim, Ifosfamide, Imatinib Mesylate, Laboratory Biomarker Analysis, Leucovorin Calcium, Levoleucovorin, Mercaptopurine, Methotrexate, Methylprednisolone, Pegaspargase, Prednisolone, Questionnaire Administration, Therapeutic Hydrocortisone, Thioguanine, Vincristine Sulfate
Procedure · Drug · Biological + 1 more
Lead sponsor
Children's Oncology Group
Network
Eligibility
1 Year to 21 Years
Enrollment
352 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2034
U.S. locations
184
States / cities
Birmingham, Alabama • Mobile, Alabama • Anchorage, Alaska + 145 more
Source: ClinicalTrials.gov public record
Updated Oct 5, 2026 · Synced Oct 18, 2026, 5:00 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 18, 2026, 5:00 AM EDT
Completed Phase 3 Interventional Results available

A Double-Blind, Placebo-Controlled Trial of Anti-Aging, Pro-Autophagy Effects of Metformin in Adults With Prediabetes

NCT03309007
View directory record Official record
Conditions
PreDiabetes, Aging
Interventions
Metformin, Placebo Oral Tablet
Drug
Lead sponsor
University of New Mexico
Other
Eligibility
30 Years to 70 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated Dec 11, 2023 · Synced Oct 18, 2026, 5:00 AM EDT
Completed Phase 3 Interventional Results available

A Severity-Adapted Clinical Trial of Diminished Bone Mineral Density in Acute Lymphoblastic Leukemia Survivors

NCT00186901
View directory record Official record
Conditions
Leukemia, Lymphoblastic, Acute, Osteoporosis
Interventions
Calcium carbonate (Tums), vitamin D, Placebo
Drug · Other
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
Not listed
Enrollment
429 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2011
U.S. locations
3
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated May 10, 2017 · Synced Oct 18, 2026, 5:00 AM EDT
Completed Phase 3 Interventional Results available

Calcium and Vitamin D to Optimize Bone Mass in Boys With Risperidone-induced Hyperprolactinemia

NCT00799383
View directory record Official record
Conditions
Risperidone-induced Hyperprolactinemia
Interventions
Calcium and Vitamin D, Placebo
Drug · Other
Lead sponsor
Chadi A. Calarge
Other
Eligibility
5 Years to 17 Years · Male only
Enrollment
47 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2014
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Dec 26, 2017 · Synced Oct 18, 2026, 5:00 AM EDT
Withdrawn Phase 1 Interventional

A Dose Finding Study of CycloSam® Combined With External Beam Radiotherapy

NCT03612466
View directory record Official record
Conditions
Osteosarcoma, Bone Metastases
Interventions
153Sm-DOTMP, External beam radiotherapy., Calcium Carbonate, Mozobil, Neupogen Injectable Product
Drug · Radiation
Lead sponsor
Albert Einstein College of Medicine
Other
Eligibility
15 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Oct 14, 2022 · Synced Oct 18, 2026, 5:00 AM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers

Clinical Trial of Vitamin D3 to Reduce Cancer Risk in Postmenopausal Women

NCT01052051
View directory record Official record
Conditions
Cancer
Interventions
Vitamin D3, Calcium carbonate
Dietary Supplement
Lead sponsor
Creighton University
Other
Eligibility
55 Years and older · Female only
Enrollment
2,303 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2015
U.S. locations
1
States / cities
Fremont, Nebraska
Source: ClinicalTrials.gov public record
Updated Jul 24, 2019 · Synced Oct 18, 2026, 5:00 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 18, 2026, 5:00 AM EDT
Active, not recruiting Not applicable Interventional

Evaluation of Safety and Effectiveness of Stryker Surpass Evolve™ Flow Diverter System

NCT04195568
View directory record Official record
Conditions
Aneurysm, Intracranial
Interventions
Surpass Evolve Flow Diverter System
Device
Lead sponsor
Stryker Neurovascular
Industry
Eligibility
18 Years to 80 Years
Enrollment
248 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2028
U.S. locations
32
States / cities
Phoenix, Arizona • Tucson, Arizona • Los Angeles, California + 27 more
Source: ClinicalTrials.gov public record
Updated Aug 17, 2026 · Synced Oct 18, 2026, 5:00 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 18, 2026, 5:00 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

CARDIA-Salt Sensitivity of Blood Pressure (SSBP)

NCT04258332
View directory record Official record
Conditions
Salt Sensitivity of Blood Pressure, Hypertension
Interventions
High Salt Diet, Low Salt Diet
Dietary Supplement
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
50 Years to 70 Years
Enrollment
281 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
2
States / cities
Birmingham, Alabama • Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 7, 2026 · Synced Oct 18, 2026, 5:00 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 18, 2026, 5:00 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 18, 2026, 5:00 AM EDT
Completed Early Phase 1 Interventional

Pharmacokinetics of Oral Calcium Carbonate in Parturients

NCT06650930
View directory record Official record
Conditions
Pregnancy, Pharmacokinetics, Postpartum Hemorrhage
Interventions
Oral calcium carbonate, Oral calcium citrate
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Aug 12, 2026 · Synced Oct 18, 2026, 5:00 AM EDT
Completed Phase 1 Interventional

Analysis of Adenosine on Sinus and Atrioventricular Nodal Conduction in the Pediatric Transplanted Heart

NCT02462941
View directory record Official record
Conditions
Sinus Bradycardia, Atrioventricular Block
Interventions
Adenosine, Cardiac catheterization
Drug · Procedure
Lead sponsor
Columbia University
Other
Eligibility
6 Months to 25 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 8, 2018 · Synced Oct 18, 2026, 5:00 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Analysis of MicroBial Metabolites After Eating Refined Food

NCT04308473
View directory record Official record
Conditions
Dietary Habits
Interventions
Ultra-processed Food Meal, Whole Food Meal
Other
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
46 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2026
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 25, 2026 · Synced Oct 18, 2026, 5:00 AM EDT
Terminated Not applicable Interventional Results available

Stem Cell Radiotherapy and Temozolomide for Newly Diagnosed High-grade Glioma

NCT02039778
View directory record Official record
Conditions
Glioblastoma, Malignant Glioma, Brain Tumors, Anaplastic Astrocytoma
Interventions
Stem Cell Radiotherapy (ScRT) and Temozolomide
Radiation
Lead sponsor
Beth Israel Medical Center
Other
Eligibility
18 Years to 70 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 5, 2017 · Synced Oct 18, 2026, 5:00 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Fructooligosaccharide and Calcium Absorption in Adolescent Girls

NCT01005927
View directory record Official record
Conditions
Osteoporosis
Interventions
Fructooligosaccharide
Dietary Supplement
Lead sponsor
Purdue University
Other
Eligibility
10 Years to 12 Years · Female only
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
West Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated May 7, 2018 · Synced Oct 18, 2026, 5:00 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Ultrasound Effects on Human Motor Cortical Plasticity

NCT04168762
View directory record Official record
Conditions
Healthy Participants
Interventions
Transcranial Ultrasound Magnetic Stimulation
Other
Lead sponsor
University of Virginia
Other
Eligibility
18 Years to 65 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Nov 20, 2019 · Synced Oct 18, 2026, 5:00 AM EDT
Terminated Phase 2 Interventional

Statin Monotherapy for Treatment of Endocrine Metabolic Disease Risk

NCT03113994
View directory record Official record
Conditions
Spinal Cord Injuries, Osteoporosis, Metabolic Syndrome
Interventions
Rosuvastatin Calcium, Placebo Oral Tablet, Coenzyme Q10, Calcium Carbonate, Vitamin D
Drug · Dietary Supplement
Lead sponsor
Dr. B. Catharine. Craven
Other
Eligibility
18 Years to 60 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Apr 13, 2026 · Synced Oct 18, 2026, 5:00 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study Assessing Dosing Time and Calcium and Vitamin D on the Relative BA of 35 mg DR Risedronate Dosed With Food

NCT00868907
View directory record Official record
Conditions
Healthy
Interventions
35 mg risedronate DR tablet
Drug
Lead sponsor
Warner Chilcott
Industry
Eligibility
40 Years to 70 Years · Female only
Enrollment
101 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
4
States / cities
Gainesville, Florida • Miami, Florida • Honolulu, Hawaii + 1 more
Source: ClinicalTrials.gov public record
Updated Oct 12, 2011 · Synced Oct 18, 2026, 5:00 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Study the Effects of Vitamin D and Calcium Supplementation at Tolerable Upper Limit Doses on Calcium Metabolism.

NCT02019381
View directory record Official record
Conditions
Delusion of Reference
Interventions
Endocrine Society UL Dosage Vitamin D, Institute of Medicine Dosage Vitamin D, Calcium
Dietary Supplement
Lead sponsor
Winthrop University Hospital
Other
Eligibility
50 Years to 90 Years · Female only
Enrollment
132 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
Mineola, New York
Source: ClinicalTrials.gov public record
Updated Dec 22, 2016 · Synced Oct 18, 2026, 5:00 AM EDT