Clinical trials: Oral Microbiota
Dental Caries, Periodontitis
Breaking the Cycle: Real-Time Family Oral Microbial Transmission Patterns as Intervention Targets
This study aims to understand how oral bacteria that cause tooth decay and gum disease spread among family members and whether treating multiple family members can reduce the return of these bacteria after dental treatment.
- Conditions
- Dental Caries, Periodontitis, Oral Microbiome, Bacterial Transmission
- Trial name
- NCT07674888
- Testing
- Professional Dental Plaque Disruption
- Where
- Canada
- Volunteers
- 225 people, healthy volunteers welcome
- Sponsor
- University of Alberta
Dental Caries, Oral Bacterial Infection
Ecological Effect of Arginine Dentifrice on Oral Microbiota
caries-free (CF) individuals caries-active (CA) individuals (DMFT ≥ 6) will be recruited. Subjects will be instructed to brush their teeth twice daily for 3 min using Colgate® Sensitive Pro-Relief® toothpaste (containing 8%…
- Conditions
- Dental Caries, Oral Bacterial Infection, Microbiota
- Trial name
- NCT02988349
- Testing
- Colgate® Sensitive Pro-Relief® toothpaste
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- Sichuan University
Autism Spectrum Disorder, Microbiota
Gut-oral Axis Microbiome in Autism Spectrum Disorders
Autism Spectrum Disorder (ASD) is a neurodevelopment disorder characterized by impairment in social interaction, communication, and behavior, as well as sensory challenges.
- Trial name
- NCT05830591
- Testing
- Characterization of the microbiome in oral and fecal samples
- Where
- Italy
- Volunteers
- 86 people
- Sponsor
- IRCCS Burlo Garofolo
Pediatric Ulcerative Colitis in Remission
Oral Fecal Microbiota Transplantation in Pediatric Ulcerative Colitis
The purpose of this study is to evaluate whether FMT by frozen stool capsules in pediatric UC patients in remission after corticosteroid treatment, can modify their dysbiotic gut microbiota by increasing the richness of their…
- Trial name
- T-FORE (NCT05202990)
- Testing
- Fecal Microbiota Transplantation by Stool capsules, Fecal Microbiota Transplantation by Intra-rectal enemas
- Where
- 3 sites in France
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- Assistance Publique - Hôpitaux de Paris
Acute Lymphocytic Leukemia
Effect of Oral Supplementation With a Fibre Enriched Paediatric Sip Feed For Children With Acute Lymphocytic Leukemia
This is a randomised, controlled, open-label intervention study. It is hypothesized that supplementation with a fibre enriched sip feed will improve the nutritional status, gut microbiota and quality of life (QOL) of children…
- Trial name
- NCT01600781
- Testing
- NutriniDrink/Fortini MF unflavoured (1.5kcal/ml)
- Where
- Egypt
- Volunteers
- 120 people
- Sponsor
- Children's Cancer Hospital Egypt 57357
Gingivitis, Orthodontic Appliance Complication
Influence of Probiotics on Clinical Parameters, the Oral Microbiome and the Immune System During an Orthodontic Treatment
Orthodontic treatment with fixed appliances can be necessary to correct malocclusions in adolescence or adulthood. It its known that orthodontic treatment induces aseptic pseudo-inflammatory reactions.
- Trial name
- NCT04598633
- Testing
- Lactobacillus reuteri Prodentis®-lozenges (DSM 17938, ATCC PTA 5289)
- Where
- Germany
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- University of Erlangen-Nürnberg
Dental Caries
Impact of Atraumatic Restorative Treatment and Oral Health Promotion on Psychological and Salivary Aspects of Children
This study evaluated the impact of atraumatic restorative treatment associated with oral health educational strategy on dental anxiety, oral health-related quality of life and salivary biochemical and microbiological…
- Trial name
- NCT03100773
- Testing
- Oral health educational strategy, Atraumatic Restorative Treatment
- Volunteers
- 78 people, healthy volunteers welcome
- Sponsor
- University of Campinas, Brazil
Orthodontics, White Spot Lesions [Initial Caries] on Smooth Surface of Tooth
Orthodontic Treatment on Oral Microbiota and Salivary Proteins
Study on the changes in oral microbiota during orthodontic treatment in patients aged 8-18 years. Orthodontic patients treated at Stomatology Hospital of Xi'an Jiaotong University from March 2025 to March 2027 will be recruited.
- Conditions
- Orthodontics, White Spot Lesions [Initial Caries] on Smooth Surface of Tooth, Caries, Dental
- Trial name
- NCT06824493
- Testing
- no interventions, No Intervention: Observational Cohort
- Where
- China
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Xi'an Jiaotong University
Eczema, Allergy
Probiotics in Prevention of Allergies, Obesity and Caries
During the period of 2000-2003, 179 healthy, term infants with no previous signs of allergic disease were recruited and randomized to daily intake of cereals with or without the addition of Lactobacillus paracasei subspecies…
- Conditions
- Eczema, Allergy, Asthma, Obesity
- Trial name
- ELEFANT (NCT00894816)
- Testing
- Lactobacillus F19
- Where
- Sweden
- Volunteers
- 121 people, healthy volunteers welcome
- Sponsor
- Umeå University
Periodontal Health, Gingivitis
Effect of Probiotics on the Periodontal Status of Orthodontic Patients
Gingival inflammation (gingivitis) is commonly reported in teenagers with fixed orthodontic devices (FOD). Indeed, FODs promote the accumulation of plaque and interfere with the efficacy of tooth brushing.
- Trial name
- POP (NCT04634201)
- Testing
- Oral probiotics (L. reuteri)
- Where
- France
- Volunteers
- 3 people
- Sponsor
- University Hospital, Lille
Oral Bacterial Colonization, Oral Hygiene
Effects of Three Oral Hygiene Protocols on Oral Bacteria in Intensive Care Patients
Patients in intensive care may develop changes in the bacteria found in their mouths. Some of these bacteria can cause infections, and patients who cannot clean their own teeth depend on staff to provide oral care.
- Trial name
- NCT07868549
- Testing
- Mechanical Oral Hygiene, Chlorhexidine, Hexetidine
- Where
- Croatia
- Volunteers
- 86 people
- Sponsor
- University of Zagreb
Autism Spectrum Disorder, Autism
Efficacy, Safety, and Tolerability Study of Oral Full-Spectrum MicrobiotaTM (CP101) in Subjects With Autism Spectrum Disorder and Associated GI Symptoms (SPROUT)
Adolescent autism spectrum disorder subjects with associated GI symptoms will be randomized to receive oral dosing of CP101 capsules in Treatment Group I or matching placebo capsules in Treatment Group II.
- Conditions
- Autism Spectrum Disorder, Autism, ASD, Autistic Thinking
- Trial name
- SPROUT (NCT03829878)
- Testing
- CP101
- Sponsor
- Finch Research and Development LLC.
Ulcerative Colitis (UC), Primary Sclerosing Cholangitis (PSC)
Vancomycin Efficacy in Response to Dysbiosis in Atypical Colitis
The goal of this clinical trial is to learn how oral vancomycin therapy may contribute in treating paediatric inflammatory bowel disease, particularly atypical ulcerative colitis and PSC-associated colitis.
- Conditions
- Ulcerative Colitis (UC), Primary Sclerosing Cholangitis (PSC), Pediatric Inflammatory Bowel Diseases
- Trial name
- VERDA (NCT07646223)
- Testing
- Oral Vancomycin
- Where
- Finland
- Volunteers
- 140 people
- Sponsor
- Tampere University Hospital
Anorexia Nervosa
Fecal Microbiota Transplantation in Females With Anorexia Nervosa
The goal of this clinical trial is to learn whether fecal microbiota transplantation (FMT) can change the gut microbiome and improve health outcomes in females with anorexia nervosa.
- Trial name
- AN-SHIFT (NCT07877675)
- Testing
- Fecal Microbiota Transplantation Capsule
- Where
- 2 sites in Denmark
- Volunteers
- 60 people
- Sponsor
- Andreas Munk Petersen
Peri-implant Mucositis, Oral Bacterial Infection
Bacterial Microbiota Characterization on Implant-supported PEEK and Titanium Provisional Abutments
The aim of this study is to determine the relative abundances of the different bacterial phyla and families in the microbiota present on the surface of PEEK implant-supported provisional abutments compared to titanium…
- Conditions
- Peri-implant Mucositis, Oral Bacterial Infection, Bacterial Resistance
- Trial name
- NCT03998865
- Testing
- Provisional abutment material
- Where
- Chile
- Volunteers
- 4 people, healthy volunteers welcome
- Sponsor
- Michael Wendler Ernst
Early Childhood Caries
A Clinical Trial of Silver Diamine Fluoride to Arrest Early Childhood Caries in Young Children
Silver diamine fluoride (SDF) is an antibiotic liquid that has the potential to arrest Early Childhood Caries in young children and delay treatment until children can be seen in outpatient settings.
- Trial name
- NCT04054635
- Testing
- Silver diamine fluoride
- Where
- Canada
- Volunteers
- 84 people
- Sponsor
- University of Manitoba
Inflammatory Bowel Disease (IBD)
Omics-driven Research on the Gut-Oral Microbiome, Metabolome, Lifestyle, and Clinical Integration in Korean Inflammatory Bowel Disease
The inflammatory bowel disease (IBD) is a condition that afflects approximately 5 million people worldwide, with 1.4 million in the US and 2.2 million in Europe.
- Trial name
- ORIGIN (NCT06124833)
- Where
- South Korea
- Volunteers
- 900 people
- Sponsor
- Chang Kyun Lee
Allergy, Peanut, Peanut Allergy
Evaluating the Safety and Efficacy of Oral Encapsulated Microbiota Transplantation Therapy in Peanut Allergic Patients
This is a phase II trial that aims at evaluating the safety and tolerability of oral encapsulated fecal microbial transplantation therapy (MTT) in peanut allergic patients.
- Conditions
- Allergy, Peanut, Peanut Allergy, Peanut Hypersensitivity, Peanut-Induced Anaphylaxis
- Trial name
- NCT05695261
- Testing
- Microbial Transplantation Therapy, Antibiotic, Oral Immunotherapy (OIT)
- Where
- United States
- Volunteers
- 37 people
- Sponsor
- Rima Rachid
Streptococcus Mutans
Investigation of Oral Microflora of Infants
The placement of cariogenic microorganisms in oral microflora is an important factor in dental caries. The aim of this study is to research from whom, when and how the cariogenic microorganisms are first transmitted to the…
- Trial name
- NCT04228861
- Where
- Turkey (Türkiye)
- Volunteers
- 47 people, healthy volunteers welcome
- Sponsor
- Inonu University
Dental Caries
Does Administration of Probiotics During Infancy Increase the Caries Risk of a Child
Aim: to examine caries occurrence in children who ten years ago received a mixture of probiotics during infancy. Hypothesis: the administration of probiotics during infancy has no effect on future dental health.
- Trial name
- NCT01424852
- Testing
- Probiotics in infant milk formula
- Where
- Finland
- Volunteers
- healthy volunteers welcome
- Sponsor
- University of Turku