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ClinicalTrials.gov public records Last synced Oct 21, 2026, 5:54 AM EDT

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Showing 97–120 of 132 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Tums Clear all
Active, not recruiting Phase 2 Interventional Accepts healthy volunteers

PhytoSERM to Prevent Menopause Associated Decline in Brain Metabolism and Cognition

NCT05664477
View directory record Official record
Conditions
Menopause, Cognitive Change, Brain Disorder, Metabolic
Interventions
PhytoSERM, Placebo
Dietary Supplement · Drug
Lead sponsor
Roberta Brinton
Other
Eligibility
45 Years to 60 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
2
States / cities
Tucson, Arizona • New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 13, 2026 · Synced Oct 21, 2026, 5:54 AM EDT
Terminated Phase 3 Interventional

A Study to Determine Effective Prophylaxis and Treatment of Nelfinavir-Associated Diarrhea

NCT00650637
View directory record Official record
Conditions
Diarrhea
Interventions
Calcium Carbonate, nelfinavir, lamivudine, loperamide, Calcium carbonate not administered, lamivudine + zidovudine
Drug · Other
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003
U.S. locations
6
States / cities
Birmingham, Alabama • Fort Lauderdale, Florida • New York, New York + 3 more
Source: ClinicalTrials.gov public record
Updated Jun 8, 2011 · Synced Oct 21, 2026, 5:54 AM EDT
Completed Not applicable Interventional

Calcium, Dairy, and Body Fat in Adolescents

NCT00592137
View directory record Official record
Conditions
Obesity, Energy Metabolism
Interventions
C (smoothies based on soy protein containing no additional calcium), B (smoothies based on soy protein containing calcium), A (smoothies based on dairy protein containing calcium)
Dietary Supplement
Lead sponsor
Purdue University
Other
Eligibility
12 Years to 15 Years
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004
U.S. locations
1
States / cities
West Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated Jan 13, 2010 · Synced Oct 21, 2026, 5:54 AM EDT
Completed No phase listed Observational

Comparative Study of Tirzepatide Versus Dulaglutide (SURPASS CVOT) or Semaglutide on Major Cardiovascular Events in Participants With Type 2 Diabetes

NCT06779929
View directory record Official record
Conditions
Type 2 Diabetes
Interventions
Tirzepatide, Dulaglutide, Semaglutide
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
40 Years and older
Enrollment
70,000 participants
Timeline
2024 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 18, 2026 · Synced Oct 21, 2026, 5:54 AM EDT
Recruiting Phase 3 Interventional

Trial to Evaluate the Efficacy and Safety of LYT-100 (Deupirfenidone) Compared to Pirfenidone in Adults With Idiopathic Pulmonary Fibrosis (IPF)

NCT07284602
View directory record Official record
Conditions
Idiopathic Pulmonary Fibrosis (IPF)
Interventions
Deupirfenidone, Pirfenidone (PFD)
Drug
Lead sponsor
PureTech
Industry
Eligibility
40 Years and older
Enrollment
1,100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
10
States / cities
Palm Spring, California • Redding, California • North Dartmouth, Massachusetts + 7 more
Source: ClinicalTrials.gov public record
Updated Sep 3, 2026 · Synced Oct 21, 2026, 5:54 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 21, 2026, 5:54 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Vitamin D and Calcium Homeostasis for Prevention of Type 2 Diabetes

NCT00436475
View directory record Official record
Conditions
Glucose Intolerance, Type 2 Diabetes Mellitus, Metabolic Syndrome
Interventions
Vitamin D3 2,000 IU orally once daily, Calcium Carbonate 400 mg orally twice daily, Vitamin D3-Placebo, Calcium-Placebo
Drug
Lead sponsor
Tufts Medical Center
Other
Eligibility
40 Years and older
Enrollment
92 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 30, 2019 · Synced Oct 21, 2026, 5:54 AM EDT
Completed Not applicable Interventional Results available

Vitamin D, Insulin Resistance, and Cardiovascular Disease

NCT00736632
View directory record Official record
Conditions
Vitamin D Deficiency, Insulin Resistance, Type 2 Diabetes Mellitus, Cardiovascular Disease, Hypertension
Interventions
Vitamin D3, Placebo
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
25 Years to 80 Years
Enrollment
125 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2019
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Feb 10, 2020 · Synced Oct 21, 2026, 5:54 AM EDT
Completed Phase 2 Interventional Results available

Exemestane and Celecoxib in Postmenopausal Women at High Risk for Breast Cancer

NCT00073073
View directory record Official record
Conditions
Breast Neoplasms
Interventions
Exemestane, Calcium carbonate, Vitamin D
Drug · Dietary Supplement
Lead sponsor
Georgetown University
Other
Eligibility
Female only
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2011
U.S. locations
2
States / cities
Washington D.C., District of Columbia • Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated May 17, 2016 · Synced Oct 21, 2026, 5:54 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Antacid Interaction Study

NCT01982201
View directory record Official record
Conditions
Healthy
Interventions
Lesinurad 400 mg, Tums 500 mg and 750 mg, MINTOX 10 mL
Drug
Lead sponsor
Ardea Biosciences, Inc.
Industry
Eligibility
18 Years to 55 Years · Male only
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Kalamazoo, Michigan
Source: ClinicalTrials.gov public record
Updated May 20, 2014 · Synced Oct 21, 2026, 5:54 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Phase 2 Reduction of Dietary Mycotoxin Exposure by ACCS100"

NCT01677195
View directory record Official record
Conditions
Dietary Carcinogenesis
Interventions
ACCS100, Placebo
Drug
Lead sponsor
Texas Enterosorbents Incorporated
Industry
Eligibility
18 Years to 85 Years
Enrollment
234 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Apr 19, 2016 · Synced Oct 21, 2026, 5:54 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Taking Prenatal Vitamin-mineral Supplements During Lactation on Iron Status and Markers of Oxidation

NCT01047098
View directory record Official record
Conditions
Iron Overload, Oxidative Stress, Iron-deficiency Anemia
Interventions
Iron, Placebo
Dietary Supplement
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years and older · Female only
Enrollment
114 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated May 30, 2017 · Synced Oct 21, 2026, 5:54 AM EDT
Completed No phase listed Observational

Prediction of the SURPASS-CVOT Cardiovascular Outcome Trial in Healthcare Claims Data

NCT07088718
View directory record Official record
Conditions
Type 2 Diabetes, Major Adverse Cardiac Events, Cardiovascular (CV) Risk
Interventions
Tirzepatide, Dulaglutide
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
40 Years and older
Enrollment
44,671 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 15, 2025 · Synced Oct 21, 2026, 5:54 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Clinical Efficacy of 10% Arginine Bicarbonate Prophylaxis Paste

NCT01072188
View directory record Official record
Conditions
Hypersensitivity
Interventions
Arginine/Calcium Carbonate, Nupro - Fluoride Free
Device
Lead sponsor
Colgate Palmolive
Industry
Eligibility
18 Years to 70 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Langhorne, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 14, 2011 · Synced Oct 21, 2026, 5:54 AM EDT
Completed Phase 4 Interventional Results available

A Study of Tirzepatide (LY3298176) in Adult Participants With Type 2 Diabetes Switching From Dulaglutide (SURPASS-SWITCH)

NCT05564039
View directory record Official record
Conditions
Type 2 Diabetes
Interventions
Tirzepatide, Dulaglutide
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years and older
Enrollment
282 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
11
States / cities
Cooper City, Florida • West Palm Beach, Florida • Skokie, Illinois + 6 more
Source: ClinicalTrials.gov public record
Updated Aug 3, 2025 · Synced Oct 21, 2026, 5:54 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

An Efficacy Trial in the Research Area of Gastrointestinal Health & Bloating

NCT05418127
View directory record Official record
Conditions
Gastrointestinal Dysfunction
Interventions
Active, Placebo
Dietary Supplement · Other
Lead sponsor
Coconut Goodness Food Products Inc.
Industry
Eligibility
25 Years to 54 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jan 19, 2023 · Synced Oct 21, 2026, 5:54 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Vitamin D Supplementation and Physical Function in Older Adults

NCT01179503
View directory record Official record
Conditions
Physical Function, Vitamin D Insufficiency
Interventions
calcium, Vitamin D plus calcium
Dietary Supplement
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
70 Years to 89 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 17, 2018 · Synced Oct 21, 2026, 5:54 AM EDT
Completed Phase 3 Interventional

Supplementation With Vitamin D, Calcium or Both on Calcium Absorption and Bone Mineral Content in Children With JRA

NCT00570934
View directory record Official record
Conditions
Juvenile Rheumatoid Arthritis
Interventions
Cholecalciferol, Calcium, Calcium and cholecalciferol, Placebo
Dietary Supplement · Drug
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
3 Years to 15 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1995 – 2002
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Oct 10, 2016 · Synced Oct 21, 2026, 5:54 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Does Preoperative Calcium and Calcitriol Decrease Rates of Post Thyroidectomy Hypocalcemia?

NCT03869398
View directory record Official record
Conditions
Hypocalcemia, Thyroid Diseases
Interventions
Tums, Calcitriol
Dietary Supplement
Lead sponsor
Lahey Clinic
Other
Eligibility
18 Years and older
Enrollment
82 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Burlington, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 9, 2019 · Synced Oct 21, 2026, 5:54 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 21, 2026, 5:54 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Modulating ApoE Signalling to Reduce Brain Inflammation, deLirium and postopErative Cognitive Dysfunction

NCT03802396
View directory record Official record
Conditions
Postoperative Delirium, Postoperative Cognitive Dysfunction
Interventions
CN-105, Placebo
Drug
Lead sponsor
Miles Berger, MD PhD
Other
Eligibility
60 Years and older
Enrollment
203 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 16, 2024 · Synced Oct 21, 2026, 5:54 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 21, 2026, 5:54 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Encapsulated Calcium Absorption in Pregnancy

NCT01678079
View directory record Official record
Conditions
Pregnancy
Interventions
Encapsulated Calcium, Non-capsulated Calcium
Dietary Supplement
Lead sponsor
The Hospital for Sick Children
Other
Eligibility
18 Years to 30 Years · Female only
Enrollment
61 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
2
States / cities
Baltimore, Maryland • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Nov 18, 2014 · Synced Oct 21, 2026, 5:54 AM EDT
Completed Phase 2Phase 3 Interventional

Oral Calcium Supplementation in Labor

NCT07056062
View directory record Official record
Conditions
Uterine Contraction, Labor Complication, Labor Active Dilated Cm, Labor Dystocia, Labor Duration, Labor, Labor Delivery
Interventions
Calcium carbonate
Drug
Lead sponsor
Arrowhead Regional Medical Center
Other
Eligibility
18 Years and older · Female only
Enrollment
89 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Colton, California
Source: ClinicalTrials.gov public record
Updated Jul 9, 2025 · Synced Oct 21, 2026, 5:54 AM EDT