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Showing 1–16 of 16 matching trials from the live ClinicalTrials.gov search.
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Completed Phase 3 Interventional

Control of Periodontal Infections

NCT01098448
View directory record Official record
Conditions
Periodontitis
Interventions
scaling and root planing, local tetracycline, systemic metronidazole and amoxicillin, surgery, local antibiotics and systemic metronidazole and amoxicillin, local tetracycline and periodontal surgery, periodontal surgery and systemic metronidazole and amoxicillin, surgery, local tetracycline, systemic metronidazole and amoxicillin
Other · Drug
Lead sponsor
The Forsyth Institute
Other
Eligibility
20 Years and older
Enrollment
187 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2004
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 1, 2010 · Synced Sep 19, 2026, 5:26 AM EDT
Completed Phase 3 Interventional

APC-111 Once a Day (QD) for 7 Days vs. Penicillin Taken Four Times a Day (QID) for 10 Days in Patients With Strep Throat

NCT00095368
View directory record Official record
Conditions
Pharyngitis, Tonsillitis
Interventions
Amoxicillin Pulsatile Release Multiparticulate Tablet (drug)
Drug
Lead sponsor
Advancis Pharmaceutical Corporation
Industry
Eligibility
12 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Dec 7, 2006 · Synced Sep 19, 2026, 5:26 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Role of Infected Blood Dendritic Cells in Heart Disease Risk

NCT01568944
View directory record Official record
Conditions
Chronic Periodontitis
Interventions
Oral Antibiotic and Oral Rinse, Standard Treatment
Drug · Procedure
Lead sponsor
Augusta University
Other
Eligibility
40 Years and older
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Augusta, Georgia
Source: ClinicalTrials.gov public record
Updated May 11, 2020 · Synced Sep 19, 2026, 5:26 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Mechanisms and Treatment Response of Aggressive Periodontitis in Children

NCT01330719
View directory record Official record
Conditions
Aggressive Periodontitis
Interventions
Diseased periodontal treatment, Conventional periodontal treatment
Procedure
Lead sponsor
University of Florida
Other
Eligibility
5 Years to 90 Years
Enrollment
514 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2022
U.S. locations
10
States / cities
Brooker, Florida • Fort Lauderdale, Florida • Gainesville, Florida + 6 more
Source: ClinicalTrials.gov public record
Updated Mar 11, 2024 · Synced Sep 19, 2026, 5:26 AM EDT
Terminated Phase 3 Interventional Results available

Treatment of ppROM With Erythromycin vs. Azithromycin Trial

NCT03060473
View directory record Official record
Conditions
Preterm Premature Rupture of Membranes (PPROM)
Interventions
Azithromycin, Erythromycin, Ampicillin, Amoxicillin
Drug
Lead sponsor
The University of Texas Medical Branch, Galveston
Other
Eligibility
18 Years and older · Female only
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
3
States / cities
Austin, Texas • Galveston, Texas • Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jun 24, 2024 · Synced Sep 19, 2026, 5:26 AM EDT
Recruiting Phase 4 Interventional

Extended Azithromycin Treatment in Prelabor Rupture of Membranes

NCT07669207
View directory record Official record
Conditions
Preterm Prelabor Rupture of Membranes, PPROM
Interventions
Azithromycin (Azithro), Standard Azithromycin Dosing
Drug
Lead sponsor
Alexa Henderson
Other
Eligibility
Female only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 3, 2026 · Synced Sep 19, 2026, 5:26 AM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

Valacyclovir in Pain Management of Acute Apical Abscesses

NCT05266040
View directory record Official record
Conditions
Acute Apical Abscess, Pain, Acute
Interventions
Valacyclovir 500 MG, Placebo
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 80 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated May 29, 2025 · Synced Sep 19, 2026, 5:26 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effects of Pre-, Pro- & Anti-biotics on Gut Microbiota

NCT01414010
View directory record Official record
Conditions
Human Gut Microbiota
Interventions
Trametes versicolor extract, Saccharomyces boulardii, Amoxicillin
Dietary Supplement · Drug
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years to 39 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 23, 2017 · Synced Sep 19, 2026, 5:26 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Penicillin Allergy Testing in STD Clinics

NCT04620746
View directory record Official record
Conditions
Penicillin Allergy
Interventions
Penicillin Major Determinant (PrePen) Skin Testing, Direct Oral challenge
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
284 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
2
States / cities
New Orleans, Louisiana • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Sep 20, 2023 · Synced Sep 19, 2026, 5:26 AM EDT
Completed Phase 3 Interventional Results available

ERADICATE Hp2 - Treating Helicobacter Pylori With RHB-105 Compared to Active Comparator

NCT03198507
View directory record Official record
Conditions
Helicobacter Pylori Infection, Dyspepsia
Interventions
RHB-105, Active Comparator
Drug
Lead sponsor
RedHill Biopharma Limited
Industry
Eligibility
18 Years to 70 Years
Enrollment
455 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
55
States / cities
Dothan, Alabama • Phoenix, Arizona • Tucson, Arizona + 46 more
Source: ClinicalTrials.gov public record
Updated Mar 15, 2020 · Synced Sep 19, 2026, 5:26 AM EDT
Completed Phase 3 Interventional Results available

ERADICATE Hp - Treating Helicobacter Pylori With RHB-105

NCT01980095
View directory record Official record
Conditions
Dyspepsia, Helicobacter Pylori Infection
Interventions
RHB-105, Placebo
Drug
Lead sponsor
RedHill Biopharma Limited
Industry
Eligibility
18 Years to 65 Years
Enrollment
119 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
12
States / cities
Anaheim, California • Chino, California • Jupiter, Florida + 8 more
Source: ClinicalTrials.gov public record
Updated Sep 23, 2019 · Synced Sep 19, 2026, 5:26 AM EDT
Active, not recruiting Phase 3 Interventional

Erythromycin Versus Azithromycin for Preterm Prelabor Rupture of Membranes

NCT06273891
View directory record Official record
Conditions
Premature Rupture of Membrane
Interventions
Erythromycin, Azithromycin
Drug
Lead sponsor
Inova Health Care Services
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
2
States / cities
Falls Church, Virginia • Norfolk, Virginia
Source: ClinicalTrials.gov public record
Updated Jun 9, 2026 · Synced Sep 19, 2026, 5:26 AM EDT
Recruiting Phase 4 Interventional

Improvement of PPROM Management With Prophylactic Antimicrobial Therapy (iPROMPT)

NCT06396078
View directory record Official record
Conditions
Preterm Premature Rupture of Membrane, Pregnancy, High Risk, Preterm Birth
Interventions
Ceftriaxone 1000 MG, Clarithromycin 500mg, Metronidazole 500 mg, Ampicillin 2 GM Injection, Amoxicillin 250 MG, Azithromycin, Erythromycin
Drug
Lead sponsor
Ohio State University
Other
Eligibility
18 Years and older · Female only
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
2
States / cities
Columbus, Ohio • Galveston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 26, 2026 · Synced Sep 19, 2026, 5:26 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Treatment of Gardnerella Vaginalis Vaginal Colonization With Amoxicillin

NCT03211156
View directory record Official record
Conditions
Vaginitis Gardnerella
Interventions
Amoxicillin, Placebo
Drug · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 45 Years · Female only
Enrollment
97 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
2
States / cities
Birmingham, Alabama • Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 27, 2020 · Synced Sep 19, 2026, 5:26 AM EDT
Completed Phase 2 Interventional Results available

Effect of Three Periodontal Therapies in Current Smokers and Non-Smokers

NCT00066066
View directory record Official record
Conditions
Periodontitis, Periodontal Diseases
Interventions
Scaling and root planing, Metronidazole, Amoxicillin, Doxycycline
Procedure · Drug
Lead sponsor
The Forsyth Institute
Other
Eligibility
20 Years and older
Enrollment
146 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2009
U.S. locations
1
States / cities
Cambridge, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 21, 2013 · Synced Sep 19, 2026, 5:26 AM EDT
Recruiting Phase 3 Interventional

Penicillin Allergy Delabeling After a One-Dose Versus Two-Dose Graded Direct Oral Challenge

NCT06303128
View directory record Official record
Conditions
Penicillin Allergy
Interventions
Amoxicillin 250 MG, Placebo, Amoxicillin 62.5mg, Amoxicillin 187.5mg
Drug
Lead sponsor
James Tarbox, MD
Other
Eligibility
18 Years to 89 Years
Enrollment
380 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Lubbock, Texas
Source: ClinicalTrials.gov public record
Updated Apr 30, 2025 · Synced Sep 19, 2026, 5:26 AM EDT