Clinical trials: Bacteria
Transmission
Baby 2 Baby Beneficial Bacteria
The investigators will recruit mother-infant dyads to attend weekly lactation support groups and randomize infants to receive either an HMO consuming or non-HMO consuming probiotic.
- Trial name
- NCT05703659
- Testing
- B. longum subsp. infantis, L. reuteri probiotic
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- University of Florida
Bacterial Infections, Surgical Site Infection
RBG: Regular, Bare, Gel: Does Type of Nail Polish Affect Bacterial Counts After Surgical Scrubbing?
Purpose: The purpose of this study is to evaluate if type of nail polish (gel polish or regular polish) has an effect on the number of bacterial colonies on finger nails after surgical scrubbing.
- Conditions
- Bacterial Infections, Surgical Site Infection, Contaminated Medical or Biological Substances
- Trial name
- RBG (NCT05210920)
- Testing
- Nail polish application
- Where
- United States
- Volunteers
- 53 people, healthy volunteers welcome
- Sponsor
- University of North Carolina, Chapel Hill
Necrotizing Pancreatitis
Molecular Analysis of Microbial DNA in Infected Necrotizing Pancreatitis
Necrotizing pancreatitis is a severe form of inflammation of the pancreas with subsequent destruction of the pancreas (necrosis).
- Trial name
- NCT01815489
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Wake Forest University Health Sciences
Fertility, Infertility
New Strategies to Evaluate the Reproductive Tract Microbiome
The goal of this observational study is to evaluate alternative less invasive sampling methods for the analysis of the endometrial microbiome.
- Conditions
- Fertility, Infertility, Reproductive Health, Microbiome Analysis
- Trial name
- niMICROBIOME (NCT06920797)
- Testing
- Reproductive tract microbiome analysis
- Where
- Spain
- Volunteers
- 57 people, healthy volunteers welcome
- Sponsor
- Igenomix
Ulcerative Colitis, Intestinal Bacteria Flora Disturbance
Fecal Microbiota Transplantation for Ulcerative Colitis
Ulcerative colitis is a common digestive system disease, the incidence is increasing in recent years.It is reported that the occurrence and development of ulcerative colitis is closely related to imbalance of intestinal flora…
- Conditions
- Ulcerative Colitis, Intestinal Bacteria Flora Disturbance, Fecal Microbiota Transplantation
- Trial name
- FMTFUC (NCT03016780)
- Testing
- Fecal Microbiota Transplantation, Normal Saline
- Where
- China
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- First Affiliated Hospital of Chengdu Medical College
Colorectal Adenoma and Carcinoma
Investigation of the Role of the Microbiome in the Pathogenesis of Colorectal Adenoma and Carcinoma
The purpose of this study is the investigation of new host-microbiome interactions promoting adenoma formation and adenocarcinoma progression.
- Trial name
- NCT02947607
- Testing
- Colon biopsies
- Where
- 2 sites in Belgium, Netherlands
- Volunteers
- 799 people, healthy volunteers welcome
- Sponsor
- Universitaire Ziekenhuizen KU Leuven
Anxiety, Microbiome
Microbiome, Anxiety and Cognitive Orientation Study
Mounting evidence shows that the gut microbiome plays an important role in communication within the gut-brain axis. However, the relationship between gut microbiota and their influence on anxiety is still not fully understood.
- Conditions
- Anxiety, Microbiome, Mood Disorders, Neurodegeneration
- Trial name
- MACO (NCT05388630)
- Where
- United States
- Volunteers
- 2,000 people, healthy volunteers welcome
- Sponsor
- Endominance
Mercury--Toxicology
Mercury Metabolism by Bacteria in Humans
The purpose of this study is to evaluate how the bacteria in your gut can improve the break-down and de-toxification of non-harmful levels of a naturally occurring form of mercury (methylmercury) that comes with eating fish.
- Trial name
- NCT04060212
- Testing
- Tuna fish, prebiotic
- Where
- United States
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- University of Rochester
Rotavirus Infections, Intestinal Bacteria Flora Disturbance
The Role of the Intestinal Microbiome in Enteric and Systemic Vaccine Immune Responses
The purpose of this study is to evaluate if the intestinal microbiota influences rotavirus vaccine immune responses in healthy adult volunteers.
- Conditions
- Rotavirus Infections, Intestinal Bacteria Flora Disturbance, Reaction - Vaccine Nos, Tetanus
- Trial name
- Rota-biome (NCT02538211)
- Testing
- Rotavirus vaccine, Tetanus vaccine and Pneumococcal vaccine
- Where
- Netherlands
- Volunteers
- 63 people, healthy volunteers welcome
- Sponsor
- Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA)
Health, Children, Only
Characteristics of Intestinal Bacteria and Their Effects on Growth and Immune Function in Children at High Altitude
Microbes and the human body maintain a complex relationship of interaction and influence. Different regions, altitudes, and dietary habits have different degrees of influence on the composition of children's intestinal flora.
- Conditions
- Health, Children, Only, Gut Microbiota
- Trial name
- NCT06157346
- Where
- China
- Volunteers
- 298 people, healthy volunteers welcome
- Sponsor
- Ruijin Hospital
Caries, Dental, Cariostatic Agents
Reducing Bacteria That Cause Tooth Decay
The purpose of the study is to determine the effect of a two-step mouth rinsing procedure on reducing the germs (mutans Streptococci) that cause tooth decay.
- Trial name
- NCT03062605
- Testing
- Iodine (Betadine), NaOCL
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- University of California, Los Angeles
Periodontitis
Impact of Periodontal Bacteria at Baseline on the Effectiveness of Periodontal Therapy
In light of the controversy that are already approved but that however still exists regarding the efficacy and influence of the protocols for the management of Periodontitis, the aim of this study was to evaluate, at 6 months…
- Trial name
- NCT04382261
- Testing
- Scaling and root planing
- Where
- Italy
- Volunteers
- 102 people, healthy volunteers welcome
- Sponsor
- University of Messina
Human Gut Microbiome Development
Phages Dynamics and Influences During Human Gut Microbiome Establishment
Microbial communities are key components of human environment. Consequently, human gut microbiome have been extensively studied providing a better understanding of the relations between bacterial populations and host physiology.
- Trial name
- METAKIDS (NCT03296631)
- Testing
- collection of diapers with fresh stools
- Where
- 2 sites in France
- Volunteers
- 19 people, healthy volunteers welcome
- Sponsor
- Institut Pasteur
Dysentery, Bacillary
A Study to Evaluate Safety and Immunogenicity of 1 Booster Dose of 1790GAHB Vaccine in Healthy Adults Primed With 3 Doses of 1790GAHB Vaccine in Study H03_01TP Compared to 1 Vaccination of 1790GAHB in Either Subjects Who Received Placebo in the Same Study or naïve Subjects Not Part of H03_01TP Study
GVGH Shigella Sonnei 1970GAHB is a vaccine aimed at preventing the disease caused by Shigella sonnei. A post-hoc analysis of subjects who participated in the parent study showed significantly different responses in subjects with…
- Trial name
- NCT03089879
- Testing
- GVGH Shigella sonnei 1790GAHB vaccine
- Where
- France
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- GlaxoSmithKline
Immunosuppression, Periodontal Disease
Oral Bacteria and Immune System Problems Involved in Gum Disease (Periodontitis)
Background: Gum disease is a condition in which the tissue around the tooth root becomes swollen and infected. This condition can cause tooth loss if it is not treated.
- Conditions
- Immunosuppression, Periodontal Disease, Healthy Subjects, Healthy Volunteer
- Trial name
- NCT01568697
- Where
- United States
- Volunteers
- 700 people, healthy volunteers welcome
- Sponsor
- National Institute of Dental and Craniofacial Research (NIDCR)
Dental Caries
Consumption of Probiotics on Salivary Bacteria Causing Dental Caries
Dental caries is a multifactorial disease effecting majority of the human population.One of the etiological factor causing dental caries is salivary mutans streptococci.
- Trial name
- NCT02752594
- Testing
- probiotic
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Sharda University
Obesity, Abdominal Obesity
Study of Safety and Efficacy of a Probiotic and Postbiotic in Overweight Individuals
Investigate the effect of a probiotic (live bacteria) and postbiotic (heat-treated bacteria) strains in overweight individuals.
- Trial name
- KOBI (NCT05428137)
- Testing
- Probiotic, Postbiotic
- Where
- South Korea
- Volunteers
- 180 people, healthy volunteers welcome
- Sponsor
- The Archer-Daniels-Midland Company
Irritable Bowel Syndrome
Manipulation of Visceral Hypersensitivity With Probiotic Bacteria in Irritable Bowel Syndrome
Irritable bowel syndrome is a common digestive disorder worldwide. However, there is no effective treatment of irritable bowel syndrome.
- Trial name
- NCT01139736
- Testing
- VSL#3
- Where
- Hong Kong
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Chinese University of Hong Kong
Osteoarthritis, Knee
Antibiotic Loaded Bone Cement in Prevention of Periprosthetic Joint Infections in Primary Total Knee Arthroplasty
Introduction: The current evidence on the efficacy of Antibiotic Loaded Bone Cement (ALBC) in reducing the risk of periprosthetic joint infections (PJI) after primary joint reconstruction is insufficient.
- Trial name
- ALBA (NCT04135170)
- Testing
- ALBC vs plain bone cement
- Where
- Norway
- Volunteers
- 9,172 people, healthy volunteers welcome
- Sponsor
- The Norwegian Arthroplasty Register
Disease Due to Gram-positive Bacteria
A Trial Assessing Efficacy of Various Antimicrobial Techniques for Reducing Bacterial Load
There is a potential of bacterial overgrowth under the foreskin in the sub-preputial space, therefore we would like to investigate possible techniques to reduce this potential.
- Trial name
- RMC-11 (NCT02391077)
- Testing
- Povidone-Iodine, Antibiotic topical cream, Chlorhexidine 1%
- Where
- Rwanda
- Volunteers
- 33 people, healthy volunteers welcome
- Sponsor
- Ministry of Health, Rwanda