Clinical trials: Oral Microbiota
Non-Alcoholic Fatty Liver Disease
Effects of TOTUM-448 on Liver Fat Content, Cardiometabolic Risk Factors and Gut Microbiota Among Participants with MASLD
This clinical trial aims to investigate the effects of TOTUM-448, a mix of 5 plant extracts and choline, consumed at the daily regimen of two times per day, on liver fat content, cardiometabolic risk factors and gut microbiota…
- Trial name
- CARDIO-LIVER (NCT06704321)
- Testing
- TOTUM-448
- Where
- Canada
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Valbiotis
Microbiota
The Oral Microbiota is Associated With Autoimmune Thyroiditis
Autoimmune thyroiditis (AITD) mainly includes Hashimoto's thyroiditis (HT) and Grave's disease (GD). Studies have shown that autoimmune thyroiditis is closely related to microbial disorders such as autoimmune thyroiditis However…
- Trial name
- NCT03447093
- Testing
- Methimazole Pill, Propylthiouracil Pill
- Where
- China
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- First Affiliated Hospital of Harbin Medical University
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
Hepatitis C Viral
Oral Microbiome of Patients With Hepatitis C Virus Infection
Hepatitis C virus (HCV) infection is very common in Egypt and the middle east. The disease affects multiple body organs and may proceed to hepatocellular carcinoma.
- Trial name
- NCT03682549
- Testing
- Oral microbiome analysis
- Where
- Egypt
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Cairo University
Hypertension
Effects of Mouthwashes on the Oral Microbiome and Systemic Health
OVERVIEW While antimicrobial mouthwashes are proven to be clinically effective for management of certain oral microbial diseases, recent studies suggest tha, in addition to targeting bacteria responsible for gum diseases such as…
- Trial name
- NCT07356271
- Testing
- Use of mouthwashes
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- University of Plymouth
Pregnancy Complications
Oral Prophylactic Measures on the Occurrence of Pre-eclampsia (OP-PE)
Pre-eclampsia (PE) remains a major source of maternal and perinatal morbidity and mortality especially in low- and middle-income settings.
- Trial name
- OP-PE (NCT04989075)
- Testing
- Oral prophylactic intervention
- Where
- Senegal
- Volunteers
- 330 people, healthy volunteers welcome
- Sponsor
- Claude Bernard University
Oral Lichen Planus
Metagenomic Analysis of the Oral Microbiome in Patients With Oral Lichen Planus: A Pilot Study in the Turkish Population
Lichen planus is a common chronic mucocutaneous inflammatory disease that affects the skin, nails, eyes, urogenital system, and oral mucosa. Oral lichen planus (OLP) specifically occurs in the oral cavity.
- Trial name
- NCT07137156
- Testing
- cytobrush, next-generation sequencing
- Where
- Turkey (Türkiye)
- Volunteers
- 13 people, healthy volunteers welcome
- Sponsor
- Kahramanmaras Sutcu Imam University
Gingivitis
Plaque Inhibitory Effect of Neutral Electrolysed Water in the Form of a Mouthwash in a 4-day Non-brushing Model
Electrolysed water (EOW) is produced by the electrolysis of sodium chloride in an aqueous solution, producing chlorine gas at the anode and sodium hydroxide and hydrogen at the cathode.
- Trial name
- NCT05709015
- Testing
- Neutral electrolyzed water, Chlorhexidine digluconate
- Where
- Slovenia
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- University of Ljubljana
Dental Plaque
Probiotic Lactobacillus Reuteri and Oral Microbiota
In February 2013, 44 healthy adults was recruited and randomized to daily intake of lozenges with or without Lactobacillus reuteri strains DSM 17938 and PTA 5289 for 12 weeks.
- Trial name
- OMICI (NCT02311218)
- Testing
- Lactobacillus reuteri DSM 17938 and PTA 5289
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- Umeå University
Vaginal Health
Effects of Oral Probiotic Product on Vaginal Microbial Community and Parameters of Vaginal Health
The purpose of the study is to assess the efficacy and safety of an oral probiotic product on the vaginal microbiome and on parameters of vaginal health.
- Trial name
- NCT03543982
- Testing
- Oral probiotic product
- Where
- Canada
- Volunteers
- 37 people, healthy volunteers welcome
- Sponsor
- UAS Labs LLC
Periodontal Disease, Periodontitis
Antibiotic Resistance Genes in Periodontitis
Antimicrobial resistance (AMR) is a major global public health concern, and the oral microbiome may serve as an important reservoir of antibiotic resistance genes (ARGs).
- Conditions
- Periodontal Disease, Periodontitis, Antibiotic Resistance Genes
- Trial name
- NCT07887204
- Where
- Turkey (Türkiye)
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Istanbul University
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
Dental Caries, Microbial Colonization
Er:YAG Laser Effects on Microbial Population in Conservative Dentistry
The aim of this study is to verify the quantitative and qualitative effect of Erbium dental laser therapy on microbial populations in carious lesions and to compare the laser therapy with traditional conservative therapies.
- Trial name
- NCT04769882
- Testing
- Er:YAG Laser
- Where
- Italy
- Volunteers
- 33 people, healthy volunteers welcome
- Sponsor
- University Of Perugia
Influenza Vaccine Response
Effect of Oral Supplements for Influenza Vaccine Response
The aim of this clinical trial is to explore the efficacy of fatty acid and bile acid based supplements on enhancing influenza vaccine immune response in adults aged 60-70 years. The objectives of this study are: 1.
- Trial name
- EOSIIVE-RCT (NCT06827873)
- Testing
- ARA (Arachidonic Acid) Supplementation, TUDCA (Tauroursodeoxycholic Acid) Supplementation, Shanghai Biological Quadrivalent Influenza Virus Inactivated Vaccine
- Where
- China
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- Tsinghua University
Dental Plaque
Effect of Enzymes on Dental Biofilm Accumulation in Healthy Individuals
The purpose of the study is to assess the effect of enzyme containing lozenges on dental plaque accumulation in healthy adults.
- Trial name
- NCT05082103
- Testing
- Enzyme lozenge 1, Enzyme lozenge 2
- Where
- Denmark
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Novozymes A/S
Coronary Artery Disease, Arterial Stiffness, Blood Pressure
Expanded Studies on the SCAPIS Stockholm Reexamination Cohort
The Swedish CArdioPulmonary bioImage Study (SCAPIS) is a unique, large-scale national research initiative involving 30,000 randomly selected individuals aged 50-64, recruited between 2014 and 2018.
- Conditions
- Coronary Artery Disease, Arterial Stiffness, Blood Pressure, AORTIC VALVE DISEASES, Mitral Valve Stenosis and/or Insufficiency
- Trial name
- SCAPIS-ReEx (NCT07476703)
- Testing
- Coronary computer tomography (CCTA), Echocardiograhy and aortic ultrasound, Liver elastography
- Where
- Sweden
- Volunteers
- 1,400 people, healthy volunteers welcome
- Sponsor
- Danderyd Hospital
Oral Health, Dietary Nitrate
Evaluating the Impact of Various Dietary Nitrate Supplements on Oral Health
This study aims to investigate the effects of different dietary nitrate supplements, versus placebo, on microbiological and immunological markers associated with oral health in people aged 18-65 years.
- Trial name
- NCT06956612
- Testing
- Juice (Active comparator), Crystals (Experimental)
- Where
- United Kingdom
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Shatha Alhulaefi
Healthy Volunteers
Selection of Antibiotic Resistance by Azithromycin and Clarithromycin in the Oral Flora
Resistance to antibiotics is a major public-health problem and studies linking antibiotic use and resistance have shown an association not a causal effect.
- Trial name
- NCT00354952
- Testing
- Macrolides (azithromycin or clarithromycin)
- Where
- Belgium
- Volunteers
- 203 people, healthy volunteers welcome
- Sponsor
- Universiteit Antwerpen
Periodontal Disease, Atherosclerosis
Assess the Effect of Treating Periodontal Disease on Cardiovascular Function in Young Adults
We propose to examine a population of Native Americans who have had little or no dental care, and to determine if periodontal disease is associated with early signs of vascular dysfunction or systemic inflammation.
- Trial name
- NCT01376791
- Where
- United States
- Volunteers
- 92 people, healthy volunteers welcome
- Sponsor
- San Diego State University