Clinical trials: Colonization
Healthy Volunteer
Efficacy of B7A BSIgG Against E. Coli Strain B7A Challenge
Enterotoxigenic Escherichia coli (ETEC) is a major cause of diarrhea worldwide. Vaccines and therapeutics are under development to prevent ETEC disease in children and travelers.
- Trial name
- NCT03040687
- Testing
- Anti CS6 BSIgG product (Lot PD1601105CS), Anti B7A BSIgG product (Lot PD1601132ET), Bovine Immunoglobin Negative Control (Lot PD161071NC)
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins Bloomberg School of Public Health
Group B Streptococcus Carrier in Childbirth, Gastrointestinal Symptoms
The Efficacy of Probiotics to Reduce Antepartum Group B Streptococcus Colonization.
This study is a randomized double blind, placebo controlled trial to determine the efficacy of an oral probiotic in reducing antenatal Group B Streptococcus colonization.
- Trial name
- NCT03696953
- Testing
- Florajen3
- Where
- United States
- Volunteers
- 109 people, healthy volunteers welcome
- Sponsor
- Marquette University
Vaginitis Gardnerella
Treatment of Gardnerella Vaginalis Vaginal Colonization With Amoxicillin
This is a randomized, double-blind, placebo-controlled Phase 2 study designed to determine if amoxicillin will eradicate vaginal colonization/infection with Gardnerella vaginalis (GV) when administered to women who are…
- Trial name
- NCT03211156
- Testing
- Amoxicillin
- Where
- 2 sites in United States
- Volunteers
- 97 people, healthy volunteers welcome
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
Orthodontic Pathological Resorption of External Root, Complication of Personal Oral Hygiene
Comparison of Oral Hygiene & Root Resorption During Orthodontic Treatment
Orthodontic treatment has been traditionally carried out with fixed appliances involving the use of stainless steel brackets and archwires.
- Trial name
- RCT (NCT02745626)
- Testing
- Appliance
- Where
- United States
- Volunteers
- 68 people, healthy volunteers welcome
- Sponsor
- UConn Health
Primary Teeth, Microbial Colonization
The Antibacterial Effect of Nanosilver Fluoride on Primary Teeth
To assess the antibacterial effect of Nanosilver Fluoride (NSF) in relation to caries activity in dentin caries lesions of primary teeth in comparison to Silver Diamine Fluoride (SDF).
- Conditions
- Primary Teeth, Microbial Colonization, Caries, Dental Caries in Children
- Trial name
- NCT05221749
- Testing
- Nanosilver Fluoride (NSF), Silver diamine fluoride
- Where
- Egypt
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Nour Ammar, BDS
Nasopharyngeal Carriage of S. Pneumoniae
Streptococcus Pneumonia: Effects of PCV13 on Pneumococcal Carriage
The specific aim is to evaluate the impact of PCV13 as administered in the pediatric primary care clinic at Boston medical center on the serotype specific carriage of Streptococcus pneumoniae in children < 5.
- Trial name
- NCT01109108
- Where
- United States
- Volunteers
- 9,000 people, healthy volunteers welcome
- Sponsor
- Boston Medical Center
Probiotics
Gastric Acid Suppression and Probiotic Colonization
Probiotics are over-the-counter dietary products with microorganisms that are generally consumed for health benefit. However, the durability of these microorganisms is unclear, particularly when they pass through the highly…
- Trial name
- PR (NCT03327051)
- Testing
- Omeprazole, VSL #3
- Where
- United States
- Volunteers
- 39 people, healthy volunteers welcome
- Sponsor
- Stanford University
Infections, Bacterial
Retapamulin Ointment in Healthy Adults Nasally Colonized With Staphylococcus Aureus
This is a Phase I/IIa randomized, double-blind, placebo-controlled study to evaluate the safety, tolerability, PK, and efficacy of Retapamulin ointment, 1% applied twice daily for 3 or 5 days to the anterior nares of healthy…
- Trial name
- NCT00539994
- Testing
- retapamulin
- Where
- 4 sites in United States
- Volunteers
- 57 people, healthy volunteers welcome
- Sponsor
- GlaxoSmithKline
Microbial Colonization
Evaluation of the Antimicrobial Effectiveness of CHG/IPA
This single site study is a randomized, controlled, partially-blinded design enrolling a minimum of 516 healthy volunteers, where each subject will receive two of the planned study products on the product application sites of the…
- Trial name
- NCT04035161
- Testing
- Investigational Product, Reference Standard, Active Comparator
- Where
- Romania
- Volunteers
- 1,935 people, healthy volunteers welcome
- Sponsor
- Becton, Dickinson and Company
Pertussis
Establishing a Controlled Human Infection Model of Bordetella Pertussis
This study aims to establish a Controlled Human Infection Model of Bordetella pertussis by determining a reproducible and safe infectious bacterial dose (challenge inoculum) that achieves colonization and mild symptomatic…
- Trial name
- NCT05136599
- Testing
- Bordetella pertussis D420
- Where
- Canada
- Volunteers
- 79 people, healthy volunteers welcome
- Sponsor
- Dalhousie University
Human Microbiome
Cultures Before and After Decolonization in Community Dwelling Adults With Current S. Aureus Colonization
The investigators propose to study the microbiome of the nose, throat and three skin sites in a population without current exposure to the healthcare environment: 80 community dwelling adults.
- Trial name
- NCT04222699
- Testing
- Mupirocin calcium ointment, 2%, Topical Chlorhexidine, 4%
- Where
- United States
- Volunteers
- 58 people, healthy volunteers welcome
- Sponsor
- VA Office of Research and Development
Infection, Pregnancy
Effects of Oral Probiotic Supplementation on Group B Strep (GBS) Rectovaginal Colonization in Pregnancy
The investigators wish to determine if oral probiotic supplementation during the second half of pregnancy decreases maternal GBS recto-vaginal colonization at 35-37 weeks' gestational age, thereby decreasing need for maternal…
- Trial name
- NCT01479478
- Testing
- Probiotic dietary supplement
- Where
- 3 sites in United States
- Volunteers
- 251 people, healthy volunteers welcome
- Sponsor
- Stanford University
Nasal Carriers of Staphylococcus Aureus
Clearance of Nasal Staphylococcus Aureus With Triple Antibiotic Ointment
Staphylococcus aureus, a bacteria that lives commonly in the anterior nostrils, is seen in about 30% of healthcare workers. Applying mupirocin ointment, a prescription, to the nostrils twice daily for 5 days is the current…
- Trial name
- NCT00997139
- Testing
- Neosporin (polymyxin B 5,000units, bacitracin 400 units, neomycin 3.5mg)
- Where
- United States
- Volunteers
- 216 people, healthy volunteers welcome
- Sponsor
- Northwestern University
Antibiotic Resistant Strain
A Trial of Encapsulated Fecal Microbiota for Vancomycin Resistant Enterococcus Decolonization
The objective of this study is to provide preliminary insight into the safety and efficacy of fecal microbiota transplantation (FMT) for the eradication of gastrointestinal carriage of vancomycin-resistant Enterococcus.
- Trial name
- NCT03063437
- Testing
- Encapsulated fecal microbiota preparation
- Where
- 2 sites in United States
- Volunteers
- 9 people, healthy volunteers welcome
- Sponsor
- Microbiome Health Research Institute
Infection
Study of Antimicrobial Activity of Omiganan 1% Gel vs. Chlorhexidine 2% for Topical Skin Antisepsis in Healthy Adult Subjects
The purpose of this research study is to determine if omiganan 1% gel (the investigational medication in this research study) is effective and safe when compared to chlorhexidine 2% (an FDA approved medication) for killing…
- Trial name
- NCT00608959
- Testing
- omiganan 1% gel, chlorhexidine 2% solution
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Cadence Pharmaceuticals
Conditions Influencing Health Status
Effects of Probiotics in Immune System of Healthy Adults
The present report describes the design of a clinical trial performed on healthy adult individuals to check whether the daily intake of the new Hero strains contribute to intestinal colonization, under safe and tolerable…
- Trial name
- SETOPROB (NCT01479543)
- Testing
- Probiotic CNCM I-4034, Probiotic CNCM I-4035, Probiotic CNCM I-4036
- Where
- 4 sites in Spain
- Volunteers
- 103 people, healthy volunteers welcome
- Sponsor
- Hero Institute for Infant Nutrition
Infection
Impact of Chlorhexidine Cleansing on Bacteria Colonizing the Umbilical Cord of Infants in Bangladesh
Background: In developing countries, many babies are born at home and the umbilical cord commonly becomes infected during the first week after birth, and can be deadly.
- Trial name
- NCT00719329
- Testing
- Chlorhexidine 4.0%, Dry Cord Care
- Where
- 3 sites in United States, Bangladesh
- Volunteers
- 1,931 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins Bloomberg School of Public Health
Group B Streptococcal Infection
Oral Probiotics Reduce Group B Streptococci Colonization in Pregnant Women
The purpose of this study is to examine whether daily use of oral gelatin capsules containing dried viable Lactobacillus rhamnosus GR-1 and Lactobacillus reuteri RC-14 can reduce the GBS colonization rate of vagina and rectum in…
- Trial name
- NCT01577108
- Testing
- Probiotic
- Where
- Taiwan
- Volunteers
- 110 people, healthy volunteers welcome
- Sponsor
- China Medical University Hospital
Nosocomial Infections, Pneumonia, Ventilator-Associated
A Efficacy and Safety Study of Nasal Prongs With Proprietary Surface Coating Aiming to Reduce Bacterial Colonization
The study is a first step in establishing the safety and efficacy of the CytaCoat technology when applied to a medical device such as a nasal prong and the clinical data generated will serve as a basis for continuous studies in…
- Trial name
- NCT02756351
- Testing
- CytaCoat Nasal Prong, Inspiration Healthcare Inspire nCPAP Nasal Prong
- Where
- Sweden
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- CytaCoat AB
Beta Haemolytic Streptococcal Infection
Prevention of GBS Colonization Via Immunity
The group B streptococcus (GBS) vaccine study is being done to see if a single vaccination with a GBS type III vaccine can stop women from getting GBS type III bacteria in the vagina.
- Trial name
- NCT00128219
- Testing
- GBS III-TT, Tetanus and diptheria toxoids vaccine
- Where
- 3 sites in United States
- Volunteers
- 667 people, healthy volunteers welcome
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)