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Showing 1–24 of 29 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: 8.4% Sodium Bicarbonate Clear all
Withdrawn Early Phase 1 Interventional

Small-Volume, Patient-Specific, Balanced Hypertonic Fluid Protocol Validation

NCT03330704
View directory record Official record
Conditions
Cerebral Edema, Saline Solution, Hypertonic
Interventions
3% Sodium Chloride, 23.4% Sodium Chloride, 8.4% Sodium Bicarbonate
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Mar 18, 2020 · Synced Sep 27, 2026, 5:04 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Local Anesthetics for Pain Reduction Prior to IV Line Placement

NCT01759459
View directory record Official record
Conditions
Pain, Local Anesthesia for Peripheral Intravenous Catheterization
Interventions
Lidocaine, Buffered Lidocaine, Bacteriostatic Normal Saline
Drug
Lead sponsor
Allina Health System
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
Saint Paul, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 14, 2022 · Synced Sep 27, 2026, 5:04 AM EDT
Completed Phase 4 Interventional Results available

Buffered Lidocaine in the Pediatric Dental Patient

NCT04055116
View directory record Official record
Conditions
Pediatric Dentistry
Interventions
Buffered Lidocaine
Drug
Lead sponsor
Geisinger Clinic
Other
Eligibility
4 Years to 17 Years
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Danville, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 6, 2023 · Synced Sep 27, 2026, 5:04 AM EDT
Active, not recruiting Phase 2 Interventional

Bladder Directed vs. Pelvic Floor Therapy in IC/BPS

NCT02870738
View directory record Official record
Conditions
Cystitis, Interstitial, Painful Bladder Syndrome
Interventions
Pelvic Floor Physical Therapy, Bladder Instillations
Procedure · Drug
Lead sponsor
Corewell Health East
Other
Eligibility
18 Years to 85 Years · Female only
Enrollment
128 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2027
U.S. locations
1
States / cities
Royal Oak, Michigan
Source: ClinicalTrials.gov public record
Updated Jul 8, 2026 · Synced Sep 27, 2026, 5:04 AM 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 27, 2026, 5:04 AM EDT
Completed Phase 2 Interventional

The Female Microbiome in Patients Undergoing Bladder Instillation Therapy

NCT05414305
View directory record Official record
Conditions
Interstitial Cystitis, Bladder Pain Syndrome, Microbial Colonization
Interventions
Heparin & Alkalinized Lidocaine Bladder Instillation
Drug
Lead sponsor
Walter Reed National Military Medical Center
Federal
Eligibility
18 Years and older · Female only
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 13, 2024 · Synced Sep 27, 2026, 5:04 AM EDT
Completed Phase 2 Interventional

Bladder Instillations Versus Onabotulinumtoxin A for Treatment of Interstitial Cystitis/Bladder Pain Syndrome

NCT04401176
View directory record Official record
Conditions
Interstitial Cystitis, Bladder Pain Syndrome
Interventions
Heparin & Alkalinized Lidocaine Bladder Instillation, Onabotulinum Toxin A
Drug
Lead sponsor
Walter Reed National Military Medical Center
Federal
Eligibility
18 Years and older · Female only
Enrollment
58 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 11, 2023 · Synced Sep 27, 2026, 5:04 AM EDT
Terminated Phase 3 Interventional Results available

Botox for Non-surgical Lateral Release in Patellofemoral Pain

NCT00496964
View directory record Official record
Conditions
Patellofemoral Pain Syndrome
Interventions
Botulinum toxin A + exercise, Placebo
Drug
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years to 40 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Oct 22, 2017 · Synced Sep 27, 2026, 5:04 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

The Efficacy of Analgesic Buffering With Sodium Bicarbonate for the Pediatric Dental Patient

NCT01883232
View directory record Official record
Conditions
Pediatric Dentistry
Interventions
Onset Mixing Pen by Onpharma, 2% lidocaine with 1:100,000 epinephrine
Device
Lead sponsor
University of Colorado, Denver
Other
Eligibility
5 Years to 12 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Dec 16, 2015 · Synced Sep 27, 2026, 5:04 AM EDT
Completed Phase 4 Interventional Results available

Addition of Buprenorphine to Paracervical Block for Pain Control During Osmotic Dilator Insertion

NCT04254081
View directory record Official record
Conditions
Procedural Pain, Buprenorphine, Adjuvants, Anesthesia, Dilation and Evacuation, Analgesics
Interventions
Buprenorphine 0.15 MG, Lidocaine 1% Injectable Solution
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older · Female only
Enrollment
57 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Jul 31, 2023 · Synced Sep 27, 2026, 5:04 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Comparison of Pain of Conventional to Buffered Local Anesthesia During Injection in Pediatric Dental Patients

NCT01622296
View directory record Official record
Conditions
Pain
Interventions
Sodium bicarbonate, Lidocaine
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
9 Years to 12 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Mar 16, 2014 · Synced Sep 27, 2026, 5:04 AM 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 27, 2026, 5:04 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Paracervical Block for Pain Control in First Trimester Abortion

NCT01094366
View directory record Official record
Conditions
Legal Abortion With Complication, Pain
Interventions
Paracervical Block, Sham Paracervical Block
Procedure
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 60 Years · Female only
Enrollment
121 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Dec 26, 2019 · Synced Sep 27, 2026, 5:04 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Buffered Lidocaine in Paracervical Blocks

NCT03107754
View directory record Official record
Conditions
Pain
Interventions
Lidocaine, Lidocaine-Sodium Bicarbonate
Drug
Lead sponsor
University of Hawaii
Other
Eligibility
14 Years and older · Female only
Enrollment
98 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Honolulu, Hawaii
Source: ClinicalTrials.gov public record
Updated Jan 4, 2021 · Synced Sep 27, 2026, 5:04 AM EDT
Completed Phase 4 Interventional Results available

Minimizing Pain During Office Intradetrussor Botox Injection

NCT04270526
View directory record Official record
Conditions
Overactive Bladder, Overactive Detrusor, Overactive Bladder Syndrome, Overactivity; Behavior, Urge Incontinence
Interventions
Bicarbonate protocol, Standard protocol
Drug
Lead sponsor
Boston Urogynecology Associates
Other
Eligibility
18 Years and older · Female only
Enrollment
85 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Cambridge, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 5, 2025 · Synced Sep 27, 2026, 5:04 AM EDT
Completed Phase 4 Interventional Results available

Reducing Pain of Lidocaine Injection

NCT02288364
View directory record Official record
Conditions
Pain of Anesthesia at Breast Biopsy
Interventions
1% Lidocaine, 1% Lidocaine plus sodium bicarbonate
Drug
Lead sponsor
Duke University
Other
Eligibility
21 Years to 89 Years
Enrollment
88 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 14, 2016 · Synced Sep 27, 2026, 5:04 AM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers Results available

Combination of Buffered Anesthetic to Treat Mandibular Molars

NCT06047366
View directory record Official record
Conditions
Symptomatic Irreversible Pulpitis
Interventions
Sodium bicarbonate, Lidocaine w/ epi, Articaine w/ epi, Mepivacaine plain
Drug
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 80 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated May 12, 2025 · Synced Sep 27, 2026, 5:04 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Paracervical Block for Pain Associated With Laminaria Insertion

NCT02454296
View directory record Official record
Conditions
Pain
Interventions
Paracervical Block with lidocaine, Sham paracervical block
Drug
Lead sponsor
University of Hawaii
Other
Eligibility
18 Years to 49 Years · Female only
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
Honolulu, Hawaii
Source: ClinicalTrials.gov public record
Updated Apr 13, 2017 · Synced Sep 27, 2026, 5:04 AM EDT
Completed Phase 2 Interventional Results available

Buffered Lidocaine for Loop Electrosurgical Excision Procedures (LEEPs)

NCT01405768
View directory record Official record
Conditions
Uterine Cervical Dysplasia
Interventions
sodium bicarbonate buffered lidocaine, Non-buffered lidocaine
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older · Female only
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jul 27, 2014 · Synced Sep 27, 2026, 5:04 AM EDT
Recruiting Phase 4 Interventional

Paracervical Block for Pain Reduction in Saline Infusion Sonograms

NCT07048769
View directory record Official record
Conditions
Pain During Saline Infusion Sonogram
Interventions
Lidocaine, Sham paracervical block
Drug · Procedure
Lead sponsor
Montefiore Medical Center
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
246 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Hartsdale, New York
Source: ClinicalTrials.gov public record
Updated Jul 8, 2026 · Synced Sep 27, 2026, 5:04 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Nitrous Oxide for Pain Management of First Trimester Surgical Abortion

NCT02096575
View directory record Official record
Conditions
Abortion in First Trimester
Interventions
Nitrous oxide administration
Other
Lead sponsor
University of New Mexico
Other
Eligibility
18 Years and older · Female only
Enrollment
140 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
1
States / cities
Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated Apr 18, 2016 · Synced Sep 27, 2026, 5:04 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Paracervical Block for Pain Control With Osmotic Dilator Placement

NCT02354092
View directory record Official record
Conditions
Abortion Late, Pain
Interventions
Local anesthetic for tenaculum placement, Sham, Paracervical Block, Dilator Placement, Post-procedural assessment, Preprocedural pain control
Procedure · Behavioral · Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older · Female only
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
2
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Jun 10, 2019 · Synced Sep 27, 2026, 5:04 AM EDT
Completed Phase 1Phase 2 Interventional

Buffered Lidocaine for Reducing Pain in Patients Undergoing Prostate Biopsy, BURN Trial

NCT06661902
View directory record Official record
Conditions
Prostate Cancer
Interventions
Buffered Lidocaine (1% Lidocaine + 8.4% Sodium Bicarbonate, in a 3:1 ratio), Lidocaine, Biopsy of Prostate, Questionnaire Administration
Drug · Procedure · Other
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older · Male only
Enrollment
350 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Feb 16, 2026 · Synced Sep 27, 2026, 5:04 AM EDT
Completed Not applicable Interventional Results available

Addition of Pudendal Blocks to Pelvic Floor Physical Therapy for the Treatment of Pelvic Floor Tension Myalgia

NCT00928564
View directory record Official record
Conditions
Pelvic Floor Muscle Spasm
Interventions
Pudendal block, Placebo
Drug
Lead sponsor
University of California, Irvine
Other
Eligibility
18 Years and older · Female only
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2016
U.S. locations
1
States / cities
Orange, California
Source: ClinicalTrials.gov public record
Updated Feb 9, 2021 · Synced Sep 27, 2026, 5:04 AM EDT