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Showing 1–24 of 40 matching trials from the live ClinicalTrials.gov search.
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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 18, 2016 · Synced Sep 29, 2026, 2:14 PM EDT
Not yet recruiting Phase 1Phase 2 Interventional

Sodium Bicarbonate as an Alternative to Potassium Citrate for Kidney Stones

NCT07408076
View directory record Official record
Conditions
Kidney Stones, Urolithiasis, Hypocitraturia, Nephrolithiasis
Interventions
Potassium Citrate, Sodium Bicarbonate
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
4
States / cities
Los Angeles, California • Sacramento, California • San Diego, California + 1 more
Source: ClinicalTrials.gov public record
Updated Feb 11, 2026 · Synced Sep 29, 2026, 2:14 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Effect of Food and Calcium on Pharmacokinetics of a Single Dose of S-888711 in Healthy Adult Volunteers

NCT03897413
View directory record Official record
Conditions
Healthy Volunteer
Interventions
S-888711, Calcium Antacid
Drug · Dietary Supplement
Lead sponsor
Shionogi
Industry
Eligibility
18 Years to 70 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Mar 31, 2019 · Synced Sep 29, 2026, 2:14 PM EDT
Completed Phase 2 Interventional

Calcium and Vitamin D vs Markers of Adenomatous Polyps

NCT00208793
View directory record Official record
Conditions
Colorectal Adenomatous Polyps
Interventions
Calcium and vitamin D3 combined, Placebo, Calcium, Vitamin D3
Dietary Supplement · Drug
Lead sponsor
Emory University
Other
Eligibility
30 Years to 74 Years
Enrollment
92 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2013
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Nov 25, 2013 · Synced Sep 29, 2026, 2:14 PM 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 23, 2013 · Synced Sep 29, 2026, 2:14 PM EDT
Completed Phase 2Phase 3 Interventional Results available

Study to Evaluate the Efficacy of Tenapanor as Adjunctive Therapy to Phosphate Binder Therapy

NCT03824587
View directory record Official record
Conditions
Hyperphosphatemia
Interventions
Tenapanor, Placebo, Phosphate Binder Agents
Drug
Lead sponsor
Ardelyx
Industry
Eligibility
18 Years to 80 Years
Enrollment
236 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
48
States / cities
Huntsville, Alabama • Pine Bluff, Arkansas • Beverly Hills, California + 41 more
Source: ClinicalTrials.gov public record
Updated Mar 5, 2023 · Synced Sep 29, 2026, 2:14 PM 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 13, 2022 · Synced Sep 29, 2026, 2:14 PM 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 29, 2017 · Synced Sep 29, 2026, 2:14 PM EDT
Recruiting Phase 2 Interventional

A Study to Compare Blinatumomab Alone to Blinatumomab With Nivolumab in Patients Diagnosed With First Relapse B-Cell Acute Lymphoblastic Leukemia (B-ALL)

NCT04546399
View directory record Official record
Conditions
Down Syndrome, Recurrent B Acute Lymphoblastic Leukemia
Interventions
3-Dimensional Conformal Radiation Therapy, Asparaginase Erwinia chrysanthemi, Biospecimen Collection, Blinatumomab, Bone Marrow Aspiration, Bone Marrow Biopsy, Calaspargase Pegol, Cytarabine, Dexamethasone, Hydrocortisone Sodium Succinate, Lumbar Puncture, Mercaptopurine, Methotrexate, Nivolumab, Pegaspargase, Vincristine Sulfate
Radiation · Drug · Procedure + 1 more
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
1 Year to 30 Years
Enrollment
461 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2028
U.S. locations
211
States / cities
Birmingham, Alabama • Mobile, Alabama • Anchorage, Alaska + 151 more
Source: ClinicalTrials.gov public record
Updated Aug 31, 2026 · Synced Sep 29, 2026, 2:14 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Alpha Hope Dietary Supplement on Health and Cognitive Performance

NCT05589051
View directory record Official record
Conditions
Cognitive Change
Interventions
Drink
Dietary Supplement
Lead sponsor
University of Memphis
Other
Eligibility
40 Years to 70 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Sep 25, 2023 · Synced Sep 29, 2026, 2:14 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Effectiveness of Supplemental Calcium in Preventing Postpartum Depression

NCT00228033
View directory record Official record
Conditions
Depression, Depression, Postpartum
Interventions
Elemental calcium (as carbonate)
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years and older · Female only
Enrollment
238 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2007
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Mar 19, 2014 · Synced Sep 29, 2026, 2:14 PM 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 20, 2025 · Synced Sep 29, 2026, 2:14 PM 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 6, 2018 · Synced Sep 29, 2026, 2:14 PM 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 12, 2010 · Synced Sep 29, 2026, 2:14 PM EDT
Completed Phase 2 Interventional

Caphosol in Sarcoma Patients With Mucositis

NCT00965172
View directory record Official record
Conditions
Sarcoma, Oral Mucositis
Interventions
Caphosol, Baking Soda
Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
16 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 21, 2012 · Synced Sep 29, 2026, 2:14 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Drug-Drug Interaction Study of Orforglipron (LY3502970) in Healthy Overweight and Obese Participants

NCT06186622
View directory record Official record
Conditions
Healthy, Obese, Overweight
Interventions
Orforglipron, Simvastatin, Digoxin, Rosuvastatin, Acetaminophen, Midazolam, Sodium Bicarbonate
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years to 70 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
2
States / cities
Daytona Beach, Florida • Dallas, Texas
Source: ClinicalTrials.gov public record
Updated May 21, 2026 · Synced Sep 29, 2026, 2:14 PM 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 8, 2025 · Synced Sep 29, 2026, 2:14 PM EDT
Withdrawn Not applicable Interventional

Antiorbital Calcium in Chronic Conditions

NCT05302713
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Ionic Calcium, Calcium Carbonate
Dietary Supplement
Lead sponsor
National University of Natural Medicine
Other
Eligibility
55 Years to 75 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Aug 6, 2024 · Synced Sep 29, 2026, 2:14 PM EDT
Terminated Phase 3 Interventional

Chemoprevention of Colorectal Adenomas

NCT00486512
View directory record Official record
Conditions
Adenomatous Polyps
Interventions
0.5 mg calcitriol (1a -25-dihydroxycholecalciferol), 75 mg acetylsalicylic acid (ASA) + 1250 mg calcium carbonate (CaCO3), placebo to 0.5 mg calcitriol (1a -25-dihydroxycholecalciferol), placebo to 75 mg acetylsalicylic acid (ASA) + 1250 mg calcium carbonate (CaCO3), Colonoscopy
Drug · Procedure
Lead sponsor
Colotech A/S
Industry
Eligibility
40 Years to 75 Years
Enrollment
350 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
24
States / cities
Huntsville, Alabama • San Diego, California • Clearwater, Florida + 20 more
Source: ClinicalTrials.gov public record
Updated Sep 2, 2020 · Synced Sep 29, 2026, 2:14 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Acetate and Age-associated Arterial Dysfunction

NCT05424263
View directory record Official record
Conditions
Aging, Vascular Stiffness, Vascular Dilation
Interventions
Calcium Acetate Oral Solution, Calcium Carbonate Oral Suspension
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
50 Years and older
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Aug 30, 2026 · Synced Sep 29, 2026, 2:14 PM 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 24, 2026 · Synced Sep 29, 2026, 2:14 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Oral Levonorgestrel Plus Meloxicam, IG-002 Delays Ovulation in Normal Menstruating Women by Seven Days

NCT05695352
View directory record Official record
Conditions
Pregnancy Prevention
Interventions
Levonorgestrel 1.5mg, Meloxicam 15 mg, Placebo
Drug · Other
Lead sponsor
InnovaGyn, Inc.
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Raleigh, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 8, 2026 · Synced Sep 29, 2026, 2:14 PM 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 10, 2018 · Synced Sep 29, 2026, 2:14 PM EDT
Completed Not applicable Interventional Results available

Calcium and Phosphorus Balance and Calcium Kinetics in Patients With Stage 3/4 Chronic Kidney Disease

NCT01161407
View directory record Official record
Conditions
Chronic Kidney Disease
Interventions
1500 mg/d elemental calcium as calcium carbonate, Placebo
Dietary Supplement
Lead sponsor
Indiana University
Other
Eligibility
35 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Jul 28, 2014 · Synced Sep 29, 2026, 2:14 PM EDT