Clinical trials: Bacteria
Depressive Symptoms, Anxiety
Probiotics, Brain Structure and Psychological Variables
Theory and research on the gut-brain-axis emphasize complex interactions between the gut microbiota, immunological and hormonal responses, brain function, brain structure, as well as resulting behavioral manifestations, such as…
- Conditions
- Depressive Symptoms, Anxiety, Stress
- Trial name
- ProBrain01 (NCT03478527)
- Testing
- Vivomixx® powder
- Where
- Germany
- Volunteers
- 59 people, healthy volunteers welcome
- Sponsor
- Universitätsklinikum Hamburg-Eppendorf
Mouth Diseases
Salivary Bacterial Associations to Short Term Discontinuation of Self-performed Oral Hygiene
The purpose of the present investigation is to record and compare bacterial compositions in supragingival plaque samples and saliva samples in subjects discontinuing regular oral hygiene for 10 days.
- Trial name
- NCT02913235
- Testing
- Oral hygiene discontinuation group
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Copenhagen
Dental Caries
Consumption Effect of Probiotic Products on Salivary Cariogenic Bacterial Counts in Preschool Children.
The purpose of this study is to evaluate the efficacy of probiotic products on caries-associated salivary bacterial counts (Streptococcus mutans and Lactobacillus) and its effect on dental plaque accumulation in a group of…
- Trial name
- NCT02692625
- Testing
- (L. reuteri Prodentis®).
- Where
- Saudi Arabia
- Volunteers
- 160 people, healthy volunteers welcome
- Sponsor
- King Abdulaziz University
Microscopic Colitis, Colorectal Cancer
Mucosa Adherent Intestinal Microbiome in Microscopic Colitis and Colorectal Cancer
Microscopic colitis (MC) is an inflammatory bowel disease characterized by chronic non-bloody watery diarrhoea and a macroscopically normal colonic mucosa upon endoscopic exploration (colonoscopy).
- Conditions
- Microscopic Colitis, Colorectal Cancer, Colon Adenoma
- Trial name
- CMBACT (NCT06172647)
- Testing
- Colonoscopy
- Where
- Spain
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Hospital Mutua de Terrassa
Periodontal Pocket
Quantitation of Bacteria Associated With Severe Periodontitis by Real -Time PCR Following Application of Diode Laser
1. Primary objective To measure the gingival crevicular levels of A.actinomycetemcomitans and P.gingivalis after intra-pocket application of diode laser in severe periodontitis (stage 3 grade C) patients. 2.
- Trial name
- NCT05222737
- Testing
- medency diode laser, spirazole forte
- Where
- Egypt
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Alexandria University
Urinary Tract Infection, Bacteriuria
Cranberry Juice for Preventing Bacteria in Urine During Pregnancy
The purpose of this study is to determine the amount of cranberry juice that is most effective in preventing a condition in pregnant women that often leads to urinary tract infections (UTIs).
- Trial name
- NCT00093938
- Testing
- Cranberry juice
- Where
- 2 sites in United States
- Volunteers
- 360 people, healthy volunteers welcome
- Sponsor
- National Center for Complementary and Integrative Health (NCCIH)
Oral Bacteria Levels in the Mouth
Clinical Investigation to Examine Toothpaste Effect on Oral Bacteria
The primary objective was to evaluate the antibacterial effects of two toothpastes containing 0.3% triclosan, 2% copolymer and 0.234% sodium fluoride in a silica base as compared to a control regular fluoride toothpaste on…
- Trial name
- NCT02194621
- Testing
- Total Flavor option 1, Total Flavor option 2
- Where
- United States
- Volunteers
- 128 people, healthy volunteers welcome
- Sponsor
- Colgate Palmolive
High Caries Risk Patients
Assessment of Inhibition of Biofilm Formation and Plaque Bacterial Count of Fluoride Varnish Containing Chlorhexidine and Cetylpyridinium Chloride Versus Conventional Fluoride Varnish
Two different Fluoride varnish systems(Fluoride varnish containing Chlorhexidine and Cetylpyridinium Chloride (CPC) and conventional fluoride) will be applied to high caries risk patients to assess their clinical effects on…
- Trial name
- NCT04254835
- Testing
- Cervitec F, Ivoclar Vivadent - Schaan Liechtenstein, Fluor Protector, Ivoclar Vivadent - Schaan Liechtenstein
- Where
- Egypt
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- Cairo University
Resistant Infection, Antibiotic Resistant Infection
Impact of Number of Rank of B-lactam Antibiotics on Emergence on Multidrug Resistant Bacteria
This study evaluates the impact of rank of Beta lactam antibiotics on emergence of mutlidrug resistant bacteria colonization in intensive care It's retrospective case controle study.
- Conditions
- Resistant Infection, Antibiotic Resistant Infection, Beta Lactam Resistant Bacterial Infection, Bacterial Resistance
- Trial name
- INOR Blact (NCT03752476)
- Testing
- number of Beta lactam class prescription for the same infection
- Volunteers
- 1,300 people, healthy volunteers welcome
- Sponsor
- Centre Hospitalier Universitaire de Besancon
Acne Vulgaris
Acne Vulgaris Related Microbiology and Serology
This will be an investigation to determine the quality of the serological immune responses against Propionibacterium acnes (P. acnes) in acne patients compared to healthy individuals.
- Trial name
- NCT04056598
- Testing
- Study of humoral immunity
- Where
- United States
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Sanofi
Bacteremia, Infective Endocarditis
Reducing Risk for Infective Endocarditis
This clinical trial is studying if bacteria found in a participant's bloodstream after brushing their teeth can be prevented with a dental cleaning and more education on how to best brush and care for their teeth.
- Trial name
- PIE-B (NCT05721781)
- Testing
- Oral Hygiene instruction, Dental Cleaning
- Where
- 6 sites in United States
- Volunteers
- 320 people, healthy volunteers welcome
- Sponsor
- Wake Forest University Health Sciences
Iron Deficiency (Without Anemia)
Effect of Low-dose Versus Standard-dose Iron Supplementation on the Gut Microbiome
Iron deficiency is a common problem that is often treated with the administration of oral iron. Most of the iron is not absorbed and remains in the intestine, where it influences the balance of gut bacteria.
- Trial name
- NCT05467423
- Testing
- Iron
- Where
- Switzerland
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Zurich
Bacterial Growth, Novel Influenza A (H1N1)
The Research of Novel Electrolyzed Water Spray to Eradicate Bacteria E-coli and an Attenuated Human Flu Virus
The purpose of this study is to test whether spraying the hand of patients by use of the novel electrolyzed water spray will decrease the number of bacteria E-coli and the virus titer of an attenuated human flu virus.
- Trial name
- NCT05797103
- Testing
- A novel electrolyzed water spray reduces numbers of bacteria E-coli and an attenuated human flu virus on human hands
- Where
- China
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Dove Medical Press Ltd
Chronic Periodontitis, Bacteremia
Amoxicillin to Prevent Bacteria and Inflammatory Biomarkers After Intensive Periodontal Therapy
There are not published studies evaluating the incidence, nature, magnitude and/or duration of bacteremia after periodontal treatment.
- Trial name
- AMX-Perio (NCT03354338)
- Testing
- Amoxicillin
- Where
- Colombia
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Universidad El Bosque, Bogotá
Chronic Arsenic Poisoning
Modulation of Anaerobic Gut Bacteria of Arsenicosis Patients by Probiotics
The role of anaerobic bacteria in the pathogenesis of palmer arsenical keratosis is not known. This can be evaluated by administering probiotics.
- Trial name
- NCT01726426
- Testing
- Probiotic
- Where
- Bangladesh
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Bangabandhu Sheikh Mujib Medical University, Dhaka, Bangladesh
Resistant to Gram-positive, Gram-negative and Anaerobic Bacteria
To Evaluate the Pharmacokinetics and Safety of TQD3606 for Injection in Subjects With Renal Insufficiency
The study is an open, parallel, single-dose phase I clinical study to evaluate the pharmacokinetics and safety of TQD3606 for injection in subjects with renal insufficiency.
- Trial name
- NCT06672276
- Testing
- TQD3606
- Where
- 2 sites in China
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Chia Tai Tianqing Pharmaceutical Group Co., Ltd.
Dental Caries in Children
Evaluation of the Antibacterial Effect of Probiotics on Cariogenic Bacteria in Children
This randomized controlled clinical trial aims to evaluate the effect of oral probiotic lozenges containing Streptococcus salivarius, Lactobacillus reuteri, and Lactobacillus paracasei on cariogenic bacteria (Streptococcus…
- Trial name
- NCT07904221
- Testing
- Probiotic lozenges containing Streptococcus salivarius, Lactobacillus reuteri, and Lactobacillus paracasei, Xylitol-based moisturizing lozenges
- Where
- Egypt
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Ain Shams University
Periodontitis
Diode Laser and SRP in Chronic Periodontitis
The purpose of this study is to compare the efficacy of photoablative and photodynamic diode laser in adjunct to scaling-root planing (PAPD+SRP) and SRP alone for the treatment of periodontitis.
- Trial name
- PAPD (NCT02407379)
- Testing
- PAPD+SRP
- Where
- Italy
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Odontostomatologic Laser Therapy Center, Florence, Italy
Enteritis, Bleeding
Balloon-assisted Enteroscopy and Bacteria
1. Balloon-assisted enteroscopy (BAE) is a new tool to investigate small intestinal diseases. 2. Deep enteroscopy made possible by balloon expansion and manipulation of small intestines. 3.
- Trial name
- NCT01065324
- Where
- 2 sites in Taiwan
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- National Taiwan University Hospital
Microbial Colonization
Microbial Colonization of Dairy Free Oral Probiotics
The aim of this study is to evaluate the colonization efficacy of probiotic lozenges containing dairy and dairy free probiotic Streptococcus salivarius M18, in healthy adults
- Trial name
- NCT05375396
- Testing
- Streptococcus salivarius M18 lozenges, Streptococcus salivarius M18 dairy free lozenges
- Where
- New Zealand
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- John Hale