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Showing 1–17 of 17 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Non-buffered lidocaine Clear all
Completed Not applicable Interventional Accepts healthy volunteers Results available

Clinical Outcomes Maxilla: Buffered 1% Lidocaine vs. Non-buffered 2% Lidocaine

NCT02747186
View directory record Official record
Conditions
Anesthesia
Interventions
Lidocaine
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 30 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 18, 2018 · Synced Sep 18, 2026, 2:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

RHA® Redensity Eye Versus No-treatment for the Infra-Orbital Hollows

NCT04577898
View directory record Official record
Conditions
Infra-orbital Hollows, Tear-trough Deformity, Wrinkle
Interventions
RHA® Redensity Eye
Device
Lead sponsor
Teoxane SA
Industry
Eligibility
22 Years and older
Enrollment
248 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2025
U.S. locations
4
States / cities
Encino, California • Santa Monica, California • Coral Gables, Florida + 1 more
Source: ClinicalTrials.gov public record
Updated Jan 25, 2026 · Synced Sep 18, 2026, 2:29 PM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

HPV Vaccine Reduced Dose

NCT06799494
View directory record Official record
Conditions
HPV
Interventions
Gardasil-9, Lidocaine injection, Lorazepam
Biological · Drug
Lead sponsor
Emory University
Other
Eligibility
18 Years to 45 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
Decatur, Georgia
Source: ClinicalTrials.gov public record
Updated Aug 30, 2026 · Synced Sep 18, 2026, 2:29 PM EDT
Recruiting Not applicable Interventional

Olfactory Biopsies

NCT07021040
View directory record Official record
Conditions
Alzheimer Disease, Smell Loss, Smell Dysfunction
Interventions
olfactory testing, Odor stimulation, Olfactory biopsy
Diagnostic Test · Other · Procedure
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
125 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 11, 2026 · Synced Sep 18, 2026, 2:29 PM 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 18, 2026, 2:29 PM 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 18, 2026, 2:29 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 18, 2026, 2:29 PM EDT
Completed Not applicable Interventional

The Effect of Buffered Lidocaine Versus Nonbuffered Lidocaine on Pain Scores During Infiltration for Vulvar Biopsies

NCT02698527
View directory record Official record
Conditions
Genital Diseases, Female
Interventions
Non-Buffered Lidocaine, Buffered Lidocaine
Drug
Lead sponsor
Women and Infants Hospital of Rhode Island
Other
Eligibility
18 Years to 99 Years · Female only
Enrollment
128 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
2
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Oct 9, 2018 · Synced Sep 18, 2026, 2:29 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Pain Perception: Lidocaine Rate/Temp/Buffer

NCT02823002
View directory record Official record
Conditions
Pain
Interventions
Slow, Room Temperature Injection, Rapid, Room Temperature Injection, Slow, Warm Temperature Injection, Rapid, Warm Temperature Injection, Buffered Injection, Non-Buffered Injection, Lidocaine, Buffer
Procedure · Drug
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 89 Years
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2025
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 14, 2024 · Synced Sep 18, 2026, 2:29 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 18, 2026, 2:29 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Clinical Outcomes Mandible: Buffered 1% vs. Non-Buffered 1% Lidocaine

NCT03127943
View directory record Official record
Conditions
Anesthesia, Local
Interventions
Lidocaine
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 30 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 5, 2019 · Synced Sep 18, 2026, 2:29 PM 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 18, 2026, 2:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Pain Control for Intrauterine Device Placement Using Paracervical Block

NCT02219308
View directory record Official record
Conditions
Pain Due to Intrauterine Contraceptive Device
Interventions
Paracervical Block (PCB), No Paracervical Block (Sham PCB)
Procedure
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
67 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2017
U.S. locations
2
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Oct 31, 2019 · Synced Sep 18, 2026, 2:29 PM EDT
Completed No phase listed Interventional Accepts healthy volunteers Results available

RHA® 3 Versus Restylane-L® for Lip Augmentation

NCT04540913
View directory record Official record
Conditions
Lip Augmentation, Lip
Interventions
RHA 3, Restylane-L
Device
Lead sponsor
Teoxane SA
Industry
Eligibility
22 Years and older
Enrollment
202 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Bradenton, Florida
Source: ClinicalTrials.gov public record
Updated Feb 2, 2025 · Synced Sep 18, 2026, 2:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Clinical Outcomes of Buffered vs. Non-Buffered Lidocaine

NCT02620683
View directory record Official record
Conditions
Blood Levels of Buffered vs Non-buffered Lidocaine, Anesthetics, Local
Interventions
Lidocaine
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 30 Years
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 22, 2018 · Synced Sep 18, 2026, 2:29 PM 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 18, 2026, 2:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Clinical Outcomes of Buffered 1% Lidocaine vs. Non-buffered 2% Lidocaine

NCT02708433
View directory record Official record
Conditions
Anesthesia
Interventions
Lidocaine
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 30 Years
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 3, 2018 · Synced Sep 18, 2026, 2:29 PM EDT