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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Bicarbonate Clear all
Completed Phase 2 Interventional Results available

Smell Changes & Efficacy of Nasal Theophylline

NCT03990766
View directory record Official record
Conditions
Olfactory Disorder, Anosmia, Viral Infection, Theophylline Causing Adverse Effects in Therapeutic Use, Smell Disorder
Interventions
Theophylline, Saline Nasal
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 70 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Mar 30, 2022 · Synced Sep 14, 2026, 10:02 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Quantitative Mass Transfer of SFP-iron From Dialysate to Blood in CKD-HD Patients

NCT01894906
View directory record Official record
Conditions
Kidney Failure
Interventions
Soluble Ferric Pyrophosphate, Placebo
Drug · Other
Lead sponsor
Rockwell Medical Technologies, Inc.
Industry
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Feb 15, 2015 · Synced Sep 14, 2026, 10:02 PM EDT
Completed Not applicable Interventional Results available

Investigations of the Optimum Serum Bicarbonate Level in Renal Disease.

NCT01574157
View directory record Official record
Conditions
Chronic Renal Insufficiency, Diabetes Mellitus
Interventions
Sodium bicarbonate, Placebo
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
74 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2018
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Aug 27, 2019 · Synced Sep 14, 2026, 10:02 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

To Evaluate Efficacy and Tolerability of Sodium Bicarbonate Toothpaste and Its Effect on Opportunistic or Resistant Organisms

NCT02207400
View directory record Official record
Conditions
Oral Hygiene
Interventions
Sodium bicarbonate and sodium fluoride, Sodium fluoride
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 65 Years
Enrollment
246 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Fort Wayne, Indiana
Source: ClinicalTrials.gov public record
Updated Jul 30, 2018 · Synced Sep 14, 2026, 10:02 PM EDT
Completed Phase 3 Interventional Results available

Evaluation of TRC101 in Subjects With Metabolic Acidosis Associated With Chronic Kidney Disease

NCT03317444
View directory record Official record
Conditions
Metabolic Acidosis
Interventions
TRC101, Placebo
Drug
Lead sponsor
Tricida, Inc.
Industry
Eligibility
18 Years to 85 Years
Enrollment
217 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
13
States / cities
Phoenix, Arizona • Chula Vista, California • Los Angeles, California + 9 more
Source: ClinicalTrials.gov public record
Updated Apr 25, 2021 · Synced Sep 14, 2026, 10:02 PM EDT
Terminated Phase 1 Interventional

Oral Bicarbonate as Adjuvant for Pain Reduction in Patients With Tumor Related Pain

NCT01846429
View directory record Official record
Conditions
Tumor, Cancer, Pain, Malignant Solid Tumor, Unresectable Malignant Neoplasm, Hematologic Malignancy, Multiple Myeloma, Lymphoma, Neoplasm Metastasis
Interventions
Sodium Bicarbonate
Drug
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Jun 3, 2015 · Synced Sep 14, 2026, 10:02 PM EDT
Completed Not applicable Interventional Results available

Bicarbonate Administration in CKD

NCT02915601
View directory record Official record
Conditions
Chronic Kidney Disease, Metabolic Acidosis
Interventions
Sodium bicarbonate, Placebo
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
21 Years to 80 Years
Enrollment
109 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jul 24, 2023 · Synced Sep 14, 2026, 10:02 PM EDT
Completed Not applicable Interventional Results available

Reducing Arrhythmia in Dialysis by Adjusting the Rx Electrolytes/Ultrafiltration, Study A

NCT03519347
View directory record Official record
Conditions
End Stage Renal Disease
Interventions
Potassium Removal Maximization, Potassium Gradient Minimization, Alkalosis Avoidance, Acidosis avoidance, Point of Care Testing, Cardiac Monitor
Other · Diagnostic Test · Device
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 85 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 14, 2023 · Synced Sep 14, 2026, 10:02 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

New Challenge Pool of Norwalk Virus Inoculum

NCT00138476
View directory record Official record
Conditions
Gastroenteritis Norovirus
Interventions
Placebo, Norwalk Virus
Drug · Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 50 Years
Enrollment
57 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2012
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 8, 2014 · Synced Sep 14, 2026, 10:02 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Nanocytology Test to Evaluate Skin Cancer in High Risk Patients

NCT01905891
View directory record Official record
Conditions
Actinic Keratosis, Squamous Cell Carcinoma
Interventions
Superficial shave biopsy
Procedure
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 89 Years
Enrollment
7 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Nov 18, 2014 · Synced Sep 14, 2026, 10:02 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Hyperpolarized 13C Pyruvate-MRI and FDG-PET in a Single Exam for the Prognosis of Ischemic Cardiomyopathy

NCT06814587
View directory record Official record
Conditions
Coronary Artery Disease, Coronary Artery Bypass Graft (CABG)
Interventions
Hyperpolarized 13C Pyruvate Magnetic Resonance Imaging (HP-13C MRI), [¹⁸F]Fluorodeoxyglucose Positron Emission Tomography (FDG-PET), SPECT MPI (Single Photon Emission Computed Tomography Myocardial Perfusion Imaging)
Diagnostic Test
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
20 Years to 80 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Sep 13, 2026 · Synced Sep 14, 2026, 10:02 PM EDT
Active, not recruiting Early Phase 1 Interventional

Magnetic Resonance (MR) Imaging With Hyperpolarized Bicarbonate (13C) to Measure Tissue pH in Prostate Cancer

NCT05851365
View directory record Official record
Conditions
Prostate Cancer, Localized Prostate Carcinoma
Interventions
Hyperpolarized Bicarbonate (13C), Magnetic Resonance imaging
Drug · Procedure
Lead sponsor
Robert Flavell, MD, PhD
Other
Eligibility
18 Years and older · Male only
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated May 3, 2026 · Synced Sep 14, 2026, 10:02 PM EDT
Completed Phase 3 Interventional

Trial for Prevention of Contrast Nephropathy With Sodium Bicarbonate

NCT00312117
View directory record Official record
Conditions
Contrast Induced Nephropathy, Kidney Diseases
Interventions
Sodium bicarbonate
Drug
Lead sponsor
Kaiser Permanente
Other
Eligibility
18 Years and older
Enrollment
300 participants
Timeline
2006
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 10, 2015 · Synced Sep 14, 2026, 10:02 PM EDT
Completed Phase 2Phase 3 Interventional Results available

Sodium Bicarbonate Supplementation in Chronic Kidney Disease Evaluation of Dose Response, Safety and Beneficial Effects

NCT00888290
View directory record Official record
Conditions
Chronic Kidney Disease
Interventions
Sodium bicarbonate, Placebos
Drug
Lead sponsor
Albert Einstein College of Medicine
Other
Eligibility
21 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Aug 29, 2022 · Synced Sep 14, 2026, 10:02 PM EDT
Completed Not applicable Interventional

Comparison of High Versus Low Bicarbonate Hemodialysis

NCT02098356
View directory record Official record
Conditions
Chronic Kidney Disease, End-stage Renal Disease, Metabolic Acidosis
Interventions
Low Bicarbonate
Other
Lead sponsor
Albert Einstein College of Medicine
Other
Eligibility
19 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Jul 4, 2019 · Synced Sep 14, 2026, 10:02 PM EDT
Not listed Phase 3 Interventional

Hemoglobin Maintenance in Pediatric ESRD (End-stage Renal Disease) Patients by Ferric Pyrophosphate Citrate (FPC)

NCT04239391
View directory record Official record
Conditions
End Stage Renal Disease
Interventions
Triferic
Drug
Lead sponsor
Rockwell Medical Technologies, Inc.
Industry
Eligibility
6 Months to 17 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
8
States / cities
Loma Linda, California • Washington D.C., District of Columbia • Indianapolis, Indiana + 5 more
Source: ClinicalTrials.gov public record
Updated Apr 20, 2021 · Synced Sep 14, 2026, 10:02 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Buffered Local Anesthetic

NCT05757648
View directory record Official record
Conditions
Dental Pain
Interventions
Non-buffered Anesthetic, Buffered Anesthetic, Onset
Drug · Device
Lead sponsor
University Hospitals Cleveland Medical Center
Other
Eligibility
2 Years to 6 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
2
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 16, 2024 · Synced Sep 14, 2026, 10:02 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Drug Interaction With Proton Pump Inhibitors for Nifedipine ER Tablets

NCT03100838
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Nifedipine 60 MG Extended Release Oral Tablet, omeprazole/sodium bicarbonate, SmartPill (TM)
Drug · Device
Lead sponsor
Food and Drug Administration (FDA)
Federal
Eligibility
18 Years to 55 Years
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Aug 15, 2019 · Synced Sep 14, 2026, 10:02 PM EDT
Completed Phase 4 Interventional Results available

Effect of Urinary Alkalinization on Urine Uric Acid Precipitation and Crystallization in Adults With Type 1 Diabetes

NCT02502071
View directory record Official record
Conditions
Type 1 Diabetes, Diabetic Nephropathy, Diabetic Kidney Disease
Interventions
sodium bicarbonate
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 45 Years
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jun 16, 2026 · Synced Sep 14, 2026, 10:02 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Empathy Through Pain Control: Lidocaine Paracervical Block for IUD Placements

NCT06960317
View directory record Official record
Conditions
Contraception, Pain, Acute, Anesthesia, Local
Interventions
Buffered Lidocaine, Sham Comparator, Unbuffered lidocaine, Xylocaine jelly 2%, Surgilube
Drug · Other
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
204 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Jun 12, 2025 · Synced Sep 14, 2026, 10:02 PM EDT
Completed Phase 1 Interventional

Inhaled Bicarbonate Therapy in Cystic Fibrosis

NCT00177645
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
sodium bicarbonate
Procedure
Lead sponsor
University of Pittsburgh
Other
Eligibility
12 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2006
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 6, 2023 · Synced Sep 14, 2026, 10:02 PM EDT
Completed Phase 2 Interventional Results available

31P-MRS Imaging to Assess the Effects of CNM-Au8 on Impaired Neuronal Redox State in Parkinson's Disease

NCT03815916
View directory record Official record
Conditions
Parkinson's Disease
Interventions
Gold Nanocrystals
Drug
Lead sponsor
Clene Nanomedicine
Industry
Eligibility
30 Years to 80 Years
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated May 15, 2024 · Synced Sep 14, 2026, 10:02 PM EDT
Completed Phase 1 Interventional

Effects of Inhaled Bicarbonate on Airway pH in Cystic Fibrosis

NCT03391414
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
hypertonic bicarbonate, sodium chloride
Drug
Lead sponsor
Joseph Pilewski
Other
Eligibility
12 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
2
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 4, 2018 · Synced Sep 14, 2026, 10:02 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Does Potassium Bicarbonate Improve the Effect of Dietary Protein on Bone and Muscle?

NCT00730184
View directory record Official record
Conditions
Osteoporosis, Sarcopenia
Interventions
potassium bicarbonate, Placebo (microcrystalline cellulose)
Dietary Supplement
Lead sponsor
Tufts University
Other
Eligibility
50 Years and older
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 7, 2008 · Synced Sep 14, 2026, 10:02 PM EDT