Clinical trials: Oral Microbiota
Oral Health, Menopause
Womens Health Screening and the Oral Microbiome
The overall aims of this project are to undertake a women's health screening clinic on oral health and systemic health, linking the oral microbiome to hormonal status (menopause); The follow quantitative and qualitative markers…
- Conditions
- Oral Health, Menopause, Gum Disease, Mouthwash
- Trial name
- NCT07859761
- Testing
- Listerine mouthrinse
- Where
- United Kingdom
- Volunteers
- 240 people, healthy volunteers welcome
- Sponsor
- University of Plymouth
Diverticulitis, Diverticulitis of Sigmoid
Clinical Trial With MBK-01, Intestinal Microbiota Capsules, for the Treatment of Patients With Recurrent Diverticulitis
Patients with diverticulitis experience a prolonged course of the disease and report a variety of physical, psychological and social symptoms, which highly impacts in their quality of life.
- Trial name
- NCT06687382
- Testing
- MBK-01
- Where
- Spain
- Volunteers
- 81 people
- Sponsor
- Mikrobiomik Healthcare Company S.L.
Liver Cancer
Gut Microbiota in Liver Cancer (Treated With TKIs In Combination With ICIs)
To evaluate the additional efficacy and safety of oral enterobacterial capsules in patients with intermediate and advanced liver cancer and treated with tyrosine kinase inhibitors (TKIs) combined with immunotherapy.
- Trial name
- NCT06563934
- Testing
- Oral enterobacterium capsules, Lenvatinib + PD-1 monoclonal antibody
- Volunteers
- 70 people
- Sponsor
- Xu Yong, MD
Dental Caries, Dental Plaque
Orthodontic Varnish Microbiology Study
Orthodontic treatment is common in teenagers, which typically involve the attachment of metal brackets to the teeth. These brackets often impede proper oral hygiene, leading to plaque accumulation and the development of white…
- Conditions
- Dental Caries, Dental Plaque, Dental White Spot
- Trial name
- NCT04528134
- Testing
- Extended Contact RMGI (Resin-modified Glass Ionomer) Varnish, 5% Sodium Fluoride Varnish
- Where
- United States
- Volunteers
- 38 people, healthy volunteers welcome
- Sponsor
- University of California, Los Angeles
Aorta Aneurysm, Carotid Arteriosclerosis
The Role Oral Microbiome in the Development and Progression of Aorta Aneurysm and Carotid Atherosclerosis
The goal of this observational study is to compare the microbiome (bacterial al community) of the diseased vascular site and the oral cavity with specific attention to chronic inflammatory periodontitis in patients who have aorta…
- Trial name
- OMB (NCT07824921)
- Where
- Hungary
- Volunteers
- 100 people
- Sponsor
- Semmelweis University
Obesity, Periodontitis
Periodontal Inflammation and Epigenetics in Obese Individuals
The goal of this study is to investigate the long-term changes in host epigenetic modifications in obese individuals with periodontitis.
- Trial name
- NCT07610902
- Testing
- Non-surgical periodontal therapy will be administered
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Louisiana State University Health Sciences Center in New Orleans
Human Microbiome
Xylitol and Sorbitol Effects on the Oral Microbiome
Chewing gum containing xylitol may help prevent caries by reducing levels of mutans streptococci (MS) and lactobacilli in saliva and plaque. Very little is known about other species which are possibly beneficial to oral health.
- Trial name
- NCT03668015
- Testing
- Xylitol then Sorbitol gum, Sorbitol then Xylitol gum
- Volunteers
- 29 people, healthy volunteers welcome
- Sponsor
- The University of The West Indies
Obesity, Morbid
BASUN - Risks for Malnutrition, Metabolic Bone Disease and Impaired Oral Health After Obesity Treatment
Weight-reducing obesity surgery (OS) generally gives good results but complications are common; e.g. impaired weight loss, weight regain, bowel pain, diarrhea, vitamin/mineral deficiency, osteoporosis and impaired dental health.
- Trial name
- BASUN (NCT03152617)
- Where
- Sweden
- Volunteers
- 1,400 people
- Sponsor
- Göteborg University
Orthodontic Appliances, Removable, Dental Plaque
Cleaning Methods for Clear Aligners
The goal of this clinical trial is to learn which cleaning method best removes bacteria from clear plastic aligners. Clear aligners are removable orthodontic trays worn to straighten teeth.
- Conditions
- Orthodontic Appliances, Removable, Dental Plaque, Biofilms, Disinfection
- Trial name
- NCT07610603
- Testing
- Toothbrushing of clear aligner with water, Chlorhexidine gluconate 0.2% oral rinse, Effervescent aligner cleaning tablet
- Where
- Saudi Arabia
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Riyadh Elm University
Oral Health
Administration of Oral Probiotic Streptococcus Salivarius K12
The clinical trial is investigating the oral administration of probiotic Streptococcus salivarius K12 in the form of lozenges in healthy adults.
- Trial name
- NCT07757360
- Testing
- Probiotic
- Where
- Switzerland
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- University of Zurich
Microbial Colonization, COVID-19 Respiratory Infection
Impact of Teeth Brushing in Ventilated COVID-19 Patients.
The aims of this study were: 1. Observation of dynamics in oral microbiota and its association with the incidence of HAIs and VAP in mechanically ventilated COVID-19 patients in an ICU setting 2.
- Conditions
- Microbial Colonization, COVID-19 Respiratory Infection, Dysbiosis, VAP - Ventilator Associated Pneumonia
- Trial name
- NCT05575050
- Testing
- Oral Procedure
- Where
- Poland
- Volunteers
- 56 people
- Sponsor
- University Hospital in Krakow
Nasopharyngeal Carcinoma
Interleukin-11 Can Prevent and Treat of Radioactive Oral Mucitis
Radiation induced oral mucositis which may result in reduced quality of life is commonly seen during radiotherapy, especially combined with chemotherapy. This study is a prospective, multicenter, and exploratory study.
- Trial name
- NCT03720340
- Testing
- Recombinant Human Interleukin-11, Saline
- Where
- China
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Zhejiang Cancer Hospital
Periodontitis (Stage 3), Periodontitis Stage IV
Characterization of Small Intestinal Bacterial Overgrowth and Intestinal Barrier-Related Biomarkers in Patients With Severe Periodontitis: A Pilot Prospective Longitudinal Observational Cohort Study
Periodontitis is a chronic inflammatory disease characterized by dysbiotic subgingival biofilms, inflammation, and progressive destruction of the tooth-supporting tissues.
- Conditions
- Periodontitis (Stage 3), Periodontitis Stage IV, SIBO
- Trial name
- MIRA (NCT07907224)
- Where
- Romania
- Volunteers
- 20 people
- Sponsor
- Iuliu Hatieganu University of Medicine and Pharmacy
Oral Dysbiosis
Effects of a Composition on the Oral Microbiome, pH, Nitrite/Nitrate Ratio, Elastases and Inflammation in Oral Dysbiosis
Dysbiosis is a condition in which the normal function of an ecological net is altered. In dysbiosis a state of inflammation, a loss of hydration, a change in pH, a loss of the barrier function are all allies of key pathogens that…
- Trial name
- NCT05463484
- Testing
- Test composition Saliactive® (olive product, betaine and xylitol), Control
- Where
- Spain
- Volunteers
- 100 people
- Sponsor
- Mucosa Innovations, S.L.
Gingival Inflammation
Investigation of the Interplay Between Local Oral Inflammation, Microbiota and Systemic Immune Responses.
This is a clinical research study designed to measure changes in inflammation and the oral microbiome during a phase of good oral hygiene and the absence of oral hygiene.
- Trial name
- ILIMSIR (NCT06966492)
- Testing
- Stannous Fluoride Toothpaste (SnF)
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Colgate Palmolive
Head and Neck Cancer
Microbiota-guided Radiotherapy for Head and Neck Cancer
Head and neck cancer (HNC) is the sixth most common cancer worldwide. Therapeutic outcomes for HNC remain unsatisfactory and heterogeneous, with 5-year survival rates ranging from 28% to 67% overall.
- Trial name
- MIGRAHN (NCT07253402)
- Testing
- External beam radiotherapy for head and neck cancer
- Where
- Italy
- Volunteers
- 100 people
- Sponsor
- Fondazione IRCCS Istituto Nazionale dei Tumori, Milano
Recurrent Aphthous Stomatitis, Mouth Ulcer
The Preventive and Therapeutic Effects of Spirulina Preparations on Ulcers of Oral Mucosa
This is a prospective, randomized, double-blind, placebo-controlled clinical trial designed to evaluate the efficacy and safety of spirulina supplementation in patients with radiation-induced oral mucositis (RIOM) receiving…
- Trial name
- NCT07723612
- Testing
- Spirulina Tablets
- Where
- China
- Volunteers
- 40 people
- Sponsor
- The Fourth Affiliated Hospital of Zhejiang University School of Medicine
Dental Plaque
Livionex Oral Microbiome and Dental Plaque Control in HSCT Recipients
Children undergoing chemotherapy, radiation treatment and Hematopoietic Stem Cell Transplantation (HSCT) have significant difficulties achieving good oral hygiene and dental plaque control.
- Trial name
- NCT02617407
- Testing
- Livionex® Dental Gel, PreviDent 5000 plus/Tom's of Maine Children's toothpaste, Kolibree Toothbrush
- Where
- United States
- Volunteers
- 44 people
- Sponsor
- University of California, San Francisco
Fixed Orthodontic Retainer, Orthodontic Appliances, Removable
Bacterial Diversity Study Using 16S rRNA Sequencing of Periodontal Samples From Patients With Orthodontic Retainers
After completion of orthodontic treatment, a retention phase is required to prevent relapse of tooth malposition. Fixed retention in the mandibular anterior region is commonly used.
- Conditions
- Fixed Orthodontic Retainer, Orthodontic Appliances, Removable, Orthodontic Appliance Complication, Gingivitis
- Trial name
- Ortho-Perio (NCT07718061)
- Testing
- Fixed Orthodontic Retainer, Removable Essix-Type Orthodontic Retainer
- Where
- Spain
- Volunteers
- 10 people
- Sponsor
- Universidad de Murcia
Bowel Habits, Gut Microbiomes
Study on Changes in Gut Microbiota, Inflammatory Factors, and Bowel Habits Following Oral Administration of Recombinant B-subunit/Whole Cell Cholera Vaccine in a Community Population
This randomized, placebo-controlled clinical trial aims to investigate the effects of oral cholera vaccine administration on three aspects of gut health in healthy adult community members aged 18 years and older: (1) the…
- Conditions
- Bowel Habits, Gut Microbiomes, Inflamatory Markers
- Trial name
- NCT07873346
- Testing
- Receive recombinant B-subunit/whole-cell cholera vaccine
- Where
- China
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Zhejiang Provincial Center for Disease Control and Prevention