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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Oral Metronidazole Clear all
Recruiting Phase 2 Interventional

Trial Utilizing Metronidazole to Optimize the Microbiome of Rectal Adenocarcinoma Undergoing Neoadjuvant Therapy

NCT06569368
View directory record Official record
Conditions
Rectal Adenocarcinoma
Interventions
Metronidazole
Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 15, 2026 · Synced Sep 28, 2026, 6:02 PM EDT
Terminated Phase 4 Interventional Results available

Comparing Oral Versus Parenteral Antimicrobial Therapy

NCT05977868
View directory record Official record
Conditions
Endovascular Infection, Bone and Joint Infection, Skin and Soft Tissue Infection, Pulmonary Infection, Gastrointestinal Infection, Genitourinary Infection
Interventions
Amoxicillin, amoxicillin-clavulanate, cefadroxil, cefpodoxime, cefalexin, ciprofloxacin, delafloxacin, doxycycline, levofloxacin, linezolid, Ampicillin, ampicillin-sulbactam, cefazolin, cefepime, ceftaroline, ceftazidime, ceftazidime-avibactam, dalbavancin, daptomycin, ertapenem
Drug
Lead sponsor
West Virginia University
Other
Eligibility
18 Years and older
Enrollment
94 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Morgantown, West Virginia
Source: ClinicalTrials.gov public record
Updated Aug 25, 2025 · Synced Sep 28, 2026, 6:02 PM EDT
Completed Phase 2 Interventional

Treating Periodontal Infection: Effects on Glycemic

NCT00016835
View directory record Official record
Conditions
Periodontal Disease, Diabetes Mellitus, Type 2
Interventions
Supra-gingival scaling and placebo, Subgingival scaling and metronidazole, Subgingival scaling and doxycycline
Procedure
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2004
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jul 18, 2017 · Synced Sep 28, 2026, 6:02 PM EDT
Recruiting Phase 1Phase 2 Interventional

Vaginal Microbiota Transplant

NCT04046900
View directory record Official record
Conditions
Recurrent Bacterial Vaginosis
Interventions
Vaginal microbiome transplant, Oral Metronidazole, Sterile saline
Biological · Drug · Other
Lead sponsor
Douglas Kwon
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 10, 2026 · Synced Sep 28, 2026, 6:02 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Development of a Noninvasive Metric to Measure Small Bowel Sensation - The Small Intestine Stress Test

NCT07817706
View directory record Official record
Conditions
Disorders of Gut Brain Interaction
Interventions
Mannitol Solution 76 mOsm/L, Mannitol Solution 189 mOsm/L, Mannitol Solution 325 mOsm/L, Scintigraphy
Drug · Diagnostic Test
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 75 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 13, 2026 · Synced Sep 28, 2026, 6:02 PM EDT
Terminated Not applicable Interventional Results available

Operative vs Non-Operative Management of Acute Appendicitis and Acute Cholecystitis in COVID-19 Positive Patients

NCT04748120
View directory record Official record
Conditions
Covid19, Appendicitis, Cholecystitis, Acute, Cholecystitis; Gallstone, Cholecystitis
Interventions
Operative management, Non-operative management
Procedure
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 13, 2022 · Synced Sep 28, 2026, 6:02 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Efficacy Study of Preconception Treatment of an Asymptomatic Bacterial Infection in an Infertility Population

NCT01322971
View directory record Official record
Conditions
Vaginosis, Bacterial, Infertility, Miscarriage
Interventions
Metronidazole, Placebo
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older · Female only
Enrollment
2 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Dec 19, 2021 · Synced Sep 28, 2026, 6:02 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Responses to Rabies Vaccine in Adults With or Without Antibiotics

NCT03557008
View directory record Official record
Conditions
Rabies Human
Interventions
Rabies Vaccine, Metronidazole, Vancomycin, Neomycin Sulfate
Biological · Drug
Lead sponsor
Emory University
Other
Eligibility
18 Years to 49 Years
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
2
States / cities
Atlanta, Georgia • Decatur, Georgia
Source: ClinicalTrials.gov public record
Updated Jun 7, 2023 · Synced Sep 28, 2026, 6:02 PM EDT
Recruiting Phase 4 Interventional

International Care Bundle Evaluation in Cerebral Hemorrhage Research

NCT06429332
View directory record Official record
Conditions
Intracerebral Hemorrhage, Intracerebral Haemorrhage, Intraventricular Hemorrhage, Stroke, Cerebrovascular Disease
Interventions
Reversal of Oral anticoagulation within 30 minutes, Early intensive blood pressure lowering, Treatment of pyrexia, Hyperglycemia treatment, Do-not-resuscitate (DNR) or withdrawal of care, Referral to Intensive Care, Referral to Neurosurgery, Repeat brain imaging, Standard care
Other · Diagnostic Test
Lead sponsor
Region Skane
Other
Eligibility
18 Years and older
Enrollment
3,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated May 21, 2026 · Synced Sep 28, 2026, 6:02 PM EDT
Completed Early Phase 1 Interventional

Vaginal lIve Biotherapeutic RANdomized Trial

NCT06135974
View directory record Official record
Conditions
Bacterial Vaginosis
Interventions
LC106, LC115, Placebo, Metronidazole Oral
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 24, 2025 · Synced Sep 28, 2026, 6:02 PM EDT
Completed Not applicable Interventional Results available

Intravenous Versus Intravenous/Oral Antibiotics for Perforated Appendicitis

NCT00462020
View directory record Official record
Conditions
Perforated Appendicitis
Interventions
5 days of IV antibiotics (ceftriaxone and metronidazole), Home with oral antibiotics when eating (ampicillin/clavulanic acid)
Drug
Lead sponsor
Children's Mercy Hospital Kansas City
Other
Eligibility
Up to 18 Years
Enrollment
102 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Feb 20, 2021 · Synced Sep 28, 2026, 6:02 PM EDT
Completed Phase 3 Interventional

Efficacy and Safety Study of SPL7013 Gel to Prevent the Recurrence of Bacterial Vaginosis (BV)

NCT02236156
View directory record Official record
Conditions
Bacterial Vaginosis
Interventions
Metronidazole oral tablets 500mg, 1% SPL7013 Gel, Placebo gel
Drug
Lead sponsor
Starpharma Pty Ltd
Industry
Eligibility
18 Years to 45 Years · Female only
Enrollment
637 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
4
States / cities
Phoenix, Arizona • San Diego, California • Metairie, Louisiana + 1 more
Source: ClinicalTrials.gov public record
Updated Jun 24, 2018 · Synced Sep 28, 2026, 6:02 PM EDT
Completed Early Phase 1 Interventional

Pilot Trial of Antibiotics Versus Surgery for Treating Acute Appendicitis

NCT02447224
View directory record Official record
Conditions
Acute Uncomplicated Appendicitis
Interventions
1 gm IV ertapenem at enrollment, 1 gm IV ertapenem at Day 2 and oral metronidazole and cefdinir to complete 10 days, Appendectomy
Drug · Procedure
Lead sponsor
Olive View-UCLA Education & Research Institute
Other
Eligibility
5 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Sylmar, California
Source: ClinicalTrials.gov public record
Updated Apr 9, 2018 · Synced Sep 28, 2026, 6:02 PM EDT
Completed Phase 4 Interventional

Flagyl Microbiome in Crohn's Disease

NCT04682522
View directory record Official record
Conditions
Crohn Disease
Interventions
Metronidazole Oral
Drug
Lead sponsor
University of Louisville
Other
Eligibility
20 Years to 80 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Oct 22, 2023 · Synced Sep 28, 2026, 6:02 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Standard Triple Therapy vs Sequential Therapy in Treatment of H Pylori Infection

NCT01723059
View directory record Official record
Conditions
Helicobacter Infection
Interventions
Standard Triple Therapy, Sequential Therapy
Drug
Lead sponsor
Dallas VA Medical Center
Federal
Eligibility
18 Years to 85 Years
Enrollment
184 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Nov 6, 2012 · Synced Sep 28, 2026, 6:02 PM EDT
Terminated Phase 4 Interventional Results available

A Randomized Controlled Trial of Treatment of Bacterial Vaginosis

NCT04578015
View directory record Official record
Conditions
Bacterial Vaginoses
Interventions
Metronidazole, Placebo
Drug
Lead sponsor
Ohio State University
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 14, 2023 · Synced Sep 28, 2026, 6:02 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Asymptomatic Bacterial Vaginosis and Herpes Simplex Virus Type 2 (BV/HSV-2) Shedding Study

NCT00464542
View directory record Official record
Conditions
Bacterial Vaginosis
Interventions
Metronidazole
Drug
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 26 Years · Female only
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
2
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 10, 2017 · Synced Sep 28, 2026, 6:02 PM EDT
Terminated Early Phase 1 Interventional

Patients Response to Early Switch To Oral:Osteomyelitis Study

NCT02099240
View directory record Official record
Conditions
Osteomyelitis
Interventions
oral antibiotics, intravenous antibiotics
Drug · Procedure
Lead sponsor
Julio Ramirez
Other
Eligibility
18 Years to 100 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Apr 5, 2021 · Synced Sep 28, 2026, 6:02 PM EDT
Completed Phase 1 Interventional

Prophylactic Antibiotics After Cesarean

NCT03187106
View directory record Official record
Conditions
Surgical Site Infection
Interventions
Cephalexin, Placebo, Metronidazole
Drug
Lead sponsor
The University of Texas Medical Branch, Galveston
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
321 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
2
States / cities
Austin, Texas • Galveston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 15, 2023 · Synced Sep 28, 2026, 6:02 PM 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 28, 2026, 6:02 PM EDT
Completed Not applicable Interventional Results available

Recurrent Bacterial Vaginosis and Vaginal Acidifying Gel Trial

NCT00545181
View directory record Official record
Conditions
Bacterial Vaginosis
Interventions
Vaginal acidifying gel (RepHresh), Metronidazole control
Drug
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Jan 11, 2010 · Synced Sep 28, 2026, 6:02 PM EDT
Terminated Phase 1Phase 2 Interventional Results available

Vaccine and Chemotherapy for Previously Untreated Metastatic Breast Cancer

NCT00048893
View directory record Official record
Conditions
Breast Neoplasms, Metastases, Neoplasm
Interventions
recombinant fowlpox-CEA(6D)/TRICOM vaccine, recombinant vaccinia-CEA(6D)/TRICOM vaccine, filgrastim, sargramostim, cyclophosphamide, doxorubicin hydrochloride, fludarabine phosphate, paclitaxel, Mesna
Biological · Drug
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2011
U.S. locations
2
States / cities
Bethesda, Maryland • Hackensack, New Jersey
Source: ClinicalTrials.gov public record
Updated Apr 12, 2012 · Synced Sep 28, 2026, 6:02 PM EDT
Completed Phase 1 Interventional

Vaccine Therapy in Treating Patients With Stage IV Head and Neck Cancer

NCT00021424
View directory record Official record
Conditions
Head and Neck Cancer, Metastatic Cancer
Interventions
recombinant fowlpox-TRICOM vaccine
Biological
Lead sponsor
National Institute on Deafness and Other Communication Disorders (NIDCD)
NIH
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2001
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 29, 2015 · Synced Sep 28, 2026, 6:02 PM EDT
Completed Phase 3 Interventional Results available

Bezlotoxumab (MK-6072) Versus Placebo in Children With Clostridium Difficile Infection (CDI) (MK-6072-001)

NCT03182907
View directory record Official record
Conditions
Clostridium Difficile Infection
Interventions
Bezlotoxumab, Placebo, Antibacterial drug treatment (ABD)
Biological · Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
1 Year to 17 Years
Enrollment
148 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
21
States / cities
Los Angeles, California • San Francisco, California • Aurora, Colorado + 18 more
Source: ClinicalTrials.gov public record
Updated Jul 26, 2023 · Synced Sep 28, 2026, 6:02 PM EDT