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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Vancomycin Oral Clear all
Completed Phase 1 Interventional Accepts healthy volunteers

A Phase 1, Open-Label Study to Assess the Single-Dose Pharmacokinetics of Eravacycline in Subjects With Impaired Hepatic Function and Healthy Subjects

NCT02135302
View directory record Official record
Conditions
Impaired Hepatic Function
Interventions
eravacycline
Drug
Lead sponsor
Tetraphase Pharmaceuticals, Inc
Industry
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
3
States / cities
Lakewood, Colorado • Orlando, Florida • Knoxville, Tennessee
Source: ClinicalTrials.gov public record
Updated Dec 16, 2021 · Synced Sep 23, 2026, 10:46 AM EDT
Completed Phase 1 Interventional

Optimal Fecal Microbiota Transplant Dosing for Mild to Moderate Ulcerative Colitis

NCT03006809
View directory record Official record
Conditions
Ulcerative Colitis
Interventions
Fecal Microbiota Transplantation (FMT), OpenBiome, pretreatment antibiotics
Biological · Other
Lead sponsor
Najwa Elnachef
Other
Eligibility
18 Years to 64 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Apr 27, 2021 · Synced Sep 23, 2026, 10:46 AM EDT
Not listed Phase 4 Interventional

Vancomycin Prophylaxis in Recurrent Clostridium Difficile Infection

NCT02237859
View directory record Official record
Conditions
Clostridium Difficile Infection
Interventions
Vancomycin, fruit juice/placebo
Drug · Dietary Supplement
Lead sponsor
Corewell Health West
Other
Eligibility
18 Years and older
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Grand Rapids, Michigan
Source: ClinicalTrials.gov public record
Updated Sep 10, 2014 · Synced Sep 23, 2026, 10:46 AM EDT
Terminated Phase 4 Interventional Results available

Early Antibiotics After Aspiration in ICU Patients

NCT05079620
View directory record Official record
Conditions
Aspiration, Aspiration Pneumonia
Interventions
Ceftriaxone, Amoxicillin clavulanic acid, Cefepime, Vancomycin, Levofloxacin
Drug
Lead sponsor
UConn Health
Other
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Farmington, Connecticut
Source: ClinicalTrials.gov public record
Updated Dec 29, 2025 · Synced Sep 23, 2026, 10:46 AM EDT
Recruiting Early Phase 1 Interventional

Fecal Microbiota Transplant for Patients With Chronic Pouchitis

NCT05829109
View directory record Official record
Conditions
Chronic Pouchitis, Pouchitis
Interventions
Fecal Microbiota Transplant (FMT)
Drug
Lead sponsor
Maia Kayal
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 16, 2026 · Synced Sep 23, 2026, 10:46 AM 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 23, 2026, 10:46 AM EDT
Terminated Phase 2 Interventional Results available

Interventional Bioremediation of Microbiota in Metabolic Syndrome

NCT02730962
View directory record Official record
Conditions
Pre-Diabetes
Interventions
Vancomycin, Placebo, Neomycin, Clindamycin, Fecal Microbiota Transplantation
Drug · Other · Procedure
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 70 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Feb 21, 2023 · Synced Sep 23, 2026, 10:46 AM EDT
Completed Phase 2 Interventional

Safety and Efficacy of Multiple Daily Dosing of Oral LFF571 in Patients With Moderate Clostridium Difficile Infections

NCT01232595
View directory record Official record
Conditions
Moderate Clostridium Difficile Infection
Interventions
LFF571, Vancomycin (POC)
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years to 90 Years
Enrollment
109 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
14
States / cities
Palm Desert, California • Bristol, Connecticut • Clearwater, Florida + 11 more
Source: ClinicalTrials.gov public record
Updated Dec 18, 2020 · Synced Sep 23, 2026, 10:46 AM EDT
Completed Phase 2Phase 3 Interventional

Safety and Efficacy Study of Ceftaroline Versus a Comparator in Pediatric Subjects With Complicated Skin Infections

NCT01400867
View directory record Official record
Conditions
Infections, Pediatrics
Interventions
Ceftaroline fosamil, Vancomycin +/- Aztreonam or Cefazolin +/- Aztreonam, Cephalexin or Clindamycin or Linezolid
Drug
Lead sponsor
Forest Laboratories
Industry
Eligibility
2 Months to 17 Years
Enrollment
163 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
28
States / cities
Phoenix, Arizona • Orange, California • San Diego, California + 23 more
Source: ClinicalTrials.gov public record
Updated Jan 12, 2015 · Synced Sep 23, 2026, 10:46 AM EDT
Completed Phase 3 Interventional Results available

A Study of Safety and Efficacy of MK-1986 (Tedizolid Phosphate) and Comparator in Participants From Birth to Less Than 12 Years of Age With Acute Bacterial Skin and Skin Structure Infections (MK-1986-018)

NCT03176134
View directory record Official record
Conditions
Acute Bacterial Skin and Skin Structure Infections
Interventions
Tedizolid phosphate, Comparator
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
1 Day to 11 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
8
States / cities
San Diego, California • Chicago, Illinois • Detroit, Michigan + 5 more
Source: ClinicalTrials.gov public record
Updated Jul 30, 2025 · Synced Sep 23, 2026, 10:46 AM EDT
Completed Phase 4 Interventional Results available

TOX NEG Trial: Clostridium Difficile Diagnosis and Treatment

NCT03388268
View directory record Official record
Conditions
Clostridium Difficile Infection, Diarrhea
Interventions
Oral Vancomycin, Placebo, Toxin enzyme immunoassay, Nuceleic acid amplification test
Drug · Device
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jul 25, 2021 · Synced Sep 23, 2026, 10:46 AM EDT
Terminated Phase 1Phase 2 Interventional Results available

Fecal Microbiota Transplant for Primary CDI

NCT03795233
View directory record Official record
Conditions
Clostridium Difficile Infection
Interventions
Fecal microbiota transplant G3 capsules, Oral Vancomycin alone
Biological · Other
Lead sponsor
Boston Medical Center
Other
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 14, 2021 · Synced Sep 23, 2026, 10:46 AM EDT
Completed Phase 2 Interventional Results available

Efficacy of Oral Vancomycin Prophylaxis for Prevention of Recurrent Clostridium Difficile Infection

NCT03462459
View directory record Official record
Conditions
Recurrent Clostridium Difficile Infection, Clostridium Difficile Infection, CDI, C.Difficile Diarrhea, C. Diff Colitis, C.Difficile Colitis
Interventions
Vancomycin, Placebo
Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
79 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
2
States / cities
Madison, Wisconsin • Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated May 24, 2025 · Synced Sep 23, 2026, 10:46 AM EDT
Recruiting Phase 1 Interventional

Radiation, Oral Vancomycin, and CAR-T for B-Cell Lymphomas

NCT07478848
View directory record Official record
Conditions
Large B Cell Lymphoma, Non Hodgkin Lymphoma (NHL), Diffuse Large B Cell Lymphoma (DLBCL), Diffuse Large B Cell Lymphoma Refractory, Diffuse Large B Cell Lymphoma Relapsed
Interventions
Vancomycin 125mg, Radiation Therapy, CAR-T
Drug · Radiation · Biological
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 30, 2026 · Synced Sep 23, 2026, 10:46 AM 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 23, 2026, 10:46 AM EDT
Completed No phase listed Observational

Real-world Evaluation of Bezlotoxumab for the Management of Clostridioides Difficile Infection

NCT04317963
View directory record Official record
Conditions
Clostridium Difficile Infection, Clostridium Difficile Infection Recurrence
Interventions
Bezlotoxumab, Standard CDI treatment
Biological · Drug
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
18 Years and older
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Maywood, Illinois
Source: ClinicalTrials.gov public record
Updated Feb 27, 2023 · Synced Sep 23, 2026, 10:46 AM EDT
Terminated Phase 1 Interventional

FMT for MDRO Colonization After Infection in Renal Transplant Recipients

NCT02922816
View directory record Official record
Conditions
Infection Due to Resistant Organism
Interventions
Fecal Microbiota Transplant (FMT), Bowel preparation, Stool or perirectal swab sampling, Fasting
Biological · Procedure · Other
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Nov 14, 2023 · Synced Sep 23, 2026, 10:46 AM EDT
Recruiting Phase 2Phase 3 Interventional

Enteral Vancomycin as Primary Prophylaxis Against Clostridioides Difficile Infection in Critically Ill Patients

NCT07221370
View directory record Official record
Conditions
Clostridium Difficile Infection, Vancomycin Resistant Enterococci Infection
Interventions
Vancomycin 125mg, Placebo
Drug
Lead sponsor
Riverside University Health System Medical Center
Other
Eligibility
18 Years and older
Enrollment
176 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Moreno Valley, California
Source: ClinicalTrials.gov public record
Updated Nov 9, 2025 · Synced Sep 23, 2026, 10:46 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Role of Oral and Intestinal Microbiota in Rheumatoid Arthritis (RA)

NCT01198509
View directory record Official record
Conditions
Rheumatoid Arthritis, Psoriatic Arthritis, Periodontal Disease
Interventions
doxycycline, vancomycin
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 70 Years
Enrollment
178 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
2
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 12, 2015 · Synced Sep 23, 2026, 10:46 AM EDT
Completed Phase 4 Interventional Results available

Nosocomial Pneumonia With Suspected Or Proven Methicillin-Resistant Staphylococcus Aureus (MRSA)

NCT00084266
View directory record Official record
Conditions
Methicillin Resistant Staphylococcus Aureus (MRSA)
Interventions
linezolid (Zyvox), vancomycin
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
1,225 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2010
U.S. locations
108
States / cities
Birmingham, Alabama • Huntsville, Alabama • Montgomery, Alabama + 71 more
Source: ClinicalTrials.gov public record
Updated Jan 31, 2012 · Synced Sep 23, 2026, 10:46 AM EDT
Terminated Early Phase 1 Interventional

Refined Fecal Microbiota Transplantation (FMT) for Ulcerative Colitis (UC)

NCT04968951
View directory record Official record
Conditions
Ulcerative Colitis, FMT, Fecal Microbiota Transplant
Interventions
Metronidazole, Placebo, Vancomycin, Fecal Microbiota Transplantation
Drug · Biological
Lead sponsor
Ari M Grinspan
Other
Eligibility
18 Years to 75 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 25, 2024 · Synced Sep 23, 2026, 10:46 AM EDT
Completed Phase 2 Interventional Results available

Evaluation of CRS3123 vs. Oral Vancomycin in Adult Patients With Clostridioides Difficile Infection

NCT04781387
View directory record Official record
Conditions
Clostridioides Difficile Infection
Interventions
CRS3123, Active Comparator
Drug
Lead sponsor
Crestone, Inc
Industry
Eligibility
18 Years and older
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
18
States / cities
Fullerton, California • Lancaster, California • Mission Hills, California + 14 more
Source: ClinicalTrials.gov public record
Updated Mar 26, 2026 · Synced Sep 23, 2026, 10:46 AM EDT
Completed No phase listed Observational

Pharmacokinetics of Understudied Drugs Administered to Children Per Standard of Care

NCT01431326
View directory record Official record
Conditions
Adenovirus, Anesthesia, Anxiety, Anxiolysis, Autism, Autistic Disorder, Bacterial Meningitis, Bacterial Septicemia, Benzodiazepine, Bipolar Disorder, Bone and Joint Infections, Central Nervous System Infections, Convulsions, Cytomegalovirus Retinitis, Early-onset Schizophrenia Spectrum Disorders, Epilepsy, General Anesthesia, Gynecologic Infections, Herpes Simplex Virus, Infantile Hemangioma, Infection, Inflammation, Inflammatory Conditions, Intra-abdominal Infections, Lower Respiratory Tract Infections, Migraines, Pain, Pneumonia, Schizophrenia, Sedation, Seizures, Skeletal Muscle Spasms, Skin and Skin-structure Infections, Treatment-resistant Schizophrenia, Urinary Tract Infections, Withdrawal, Sepsis, Gram-negative Infection, Bradycardia, Cardiac Arrest, Cardiac Arrhythmia, Staphylococcal Infections, Nosocomial Pneumonia, Neuromuscular Blockade, Methicillin Resistant Staphylococcus Aureus, Endocarditis, Neutropenia, Headache, Fibrinolytic Bleeding, Pulmonary Arterial Hypertension, CMV Retinitis, Hypertension, Chronic Kidney Diseases, Hyperaldosteronism, Hypokalemia, Heart Failure, Hemophilia, Heavy Menstrual Bleeding, Insomnia
Interventions
The POPS study is collecting PK data on children prescribed the following drugs of interest per standard of care:
Drug
Lead sponsor
Daniel Benjamin
Other
Eligibility
Up to 21 Years
Enrollment
3,520 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2019
U.S. locations
43
States / cities
Anchorage, Alaska • Little Rock, Arkansas • La Jolla, California + 37 more
Source: ClinicalTrials.gov public record
Updated Sep 5, 2023 · Synced Sep 23, 2026, 10:46 AM EDT
Completed Phase 3 Interventional Results available

Dalbavancin for the Treatment of Acute Bacterial Skin and Skin Structure Infections in Children, Known or Suspected to be Caused by Susceptible Gram-positive Organisms, Including MRSA

NCT02814916
View directory record Official record
Conditions
Methicillin-Resistant Staphylococcus Aureus, Bacterial Infections, Staphylococcal Skin Infections
Interventions
Dalbavancin, Vancomycin, Oxacillin, Flucloxacillin, Cefadroxil, Clindamycin
Drug
Lead sponsor
AbbVie
Industry
Eligibility
0 Years to 17 Years
Enrollment
199 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2024
U.S. locations
15
States / cities
Mobile, Alabama • Phoenix, Arizona • La Palma, California + 12 more
Source: ClinicalTrials.gov public record
Updated Sep 18, 2024 · Synced Sep 23, 2026, 10:46 AM EDT