Clinical trials: Healthy Gut Microbiota
Healthy
The Role of Synbiotics in Modulating Host Physiology Via the Gut Microbiome
The current study is a proof of concept mechanistic study that will utilise a combination of prebiotic and probiotic (synbiotic) supplements.
- Trial name
- NCT06480812
- Testing
- Synbiotic
- Where
- United Kingdom
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Elizabeth Simpson
Chronic Pain, Opioid Use
The Association of Microbiome Patterns With Chronic Opioid Use
The United States is in the midst of an opioid epidemic, with the number of opioid-related deaths having risen six-fold since 1999.
- Trial name
- NCT05304403
- Where
- United States
- Volunteers
- 100 people
- Sponsor
- University of California, San Diego
Chronic Kidney Diseases, Healthy
NATURE 3.1_New Approach for the Reduction of REnal Uremic Toxins
The objective of the pilot study is to validate the clinical use of an innovative symbiotic in patients with chronic kidney disease (CKD) stage 3b-4 and in healthy subjects.
- Trial name
- NATURE31 (NCT03815786)
- Testing
- Symbiotic
- Where
- Italy
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Azienda Ospedaliero-Universitaria Consorziale Policlinico di Bari
Weight Loss, Gut Microbiome
Low Sugar Protein Pacing, Intermittent Fasting Diet in Men and Women
This study will systematically quantify the effects of protein pacing and intermittent fasting (P-IF) on total and regional (abdominal) body composition (lean mass and fat mass), blood glucose and lipids, and anti-aging…
- Conditions
- Weight Loss, Gut Microbiome, Anti-Aging
- Trial name
- NCT04327141
- Testing
- P-IF, HH
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Skidmore College
Healthy
Milk Consumption and Blood Microbiome in Healthy Volunteers
The goal of this study is to learn if cfDNA of milk-associated intestinal bacteria (MAIB) is detectable in the bloodstream. The primary question it aims to answer is: Does milk consumption simultaneously increase the number of…
- Trial name
- MAMI (NCT06944002)
- Testing
- Milk product
- Where
- Netherlands
- Volunteers
- 9 people, healthy volunteers welcome
- Sponsor
- Erasmus Medical Center
Digestive Health, Quality of Life
Protein-Prebiotic Wellbeing Study
Healthy participants with self-reported GI complaints will consume the protein supplement that they normally use for recovery purposes after exercise during a 3-week baseline period, followed by a 3-week intervention period in…
- Trial name
- NCT05303753
- Testing
- fermented dairy protein with prebiotic fiber
- Where
- United States
- Volunteers
- 98 people, healthy volunteers welcome
- Sponsor
- Arizona State University
Diet, Healthy
The Effects of Dietary Fibres on Metabolic Health and the Gut Microbiome
The study involves intake of dietary supplements, which are commonly found in the UK diet (not pharmacological agents) to test their effects on inflammation in the body and gut microbiome composition.
- Conditions
- Diet, Healthy, Systemic Inflammatory Response
- Trial name
- NCT06580132
- Testing
- Pectin, Maltodextrin
- Where
- United Kingdom
- Volunteers
- 19 people, healthy volunteers welcome
- Sponsor
- Elizabeth Simpson
Upper Respiratory Tract Infection, Gut Microbiota
The Effect of Synbiotics on the Upper Respiratory Tract Infection
Gut microbiome manipulation to alter the gut-lung axis may potentially protect humans against respiratory infections. However, clinical trials of synbiotics, one of the microbiota-targeted intervention, in this regard is few.
- Conditions
- Upper Respiratory Tract Infection, Gut Microbiota, Immune Function
- Trial name
- NCT04960878
- Testing
- Synbiotic
- Where
- China
- Volunteers
- 58 people, healthy volunteers welcome
- Sponsor
- Huazhong University of Science and Technology
Healthy Elderly People
Potential Benefits of Dietary Advices Alone or Associated to Nutraceutical Food Supplements Argan Oil, VSL#3 Probiotic Blend, 5203-L Fruit Extract Terpene
Ageing of the population is a major event in the world. Gerontological/geriatric literature unanimously indicate that physical exercise and diet are at present the two available fundamental approaches to contrast/prevent most of…
- Trial name
- RISTOMED (NCT01069445)
- Testing
- VSL#3® probiotic blend, AISA-5203-L fruit extracted terpene, Argan oil
- Where
- France
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- University Hospital, Bordeaux
Healthy
Effect of Aspirin on Gut Microbiome
Regular use of aspirin may reduce the incidence of colorectal cancer (CRC). However, it is unclear through which mechanism aspirin exerts its effect, in whom it decreases CRC risk and in whom it causes side effects.
- Trial name
- ASMIC (NCT02761486)
- Testing
- Aspirin
- Where
- United States
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- University of Minnesota
Eczema, Atopic Dermatitis
Studies of Skin Microbes in Healthy People and in People With Skin Conditions
This study will examine microbes (e.g., bacteria, fungi, viruses) that live on human skin and how microbes contribute to health and disease.
- Trial name
- NCT00605878
- Where
- United States
- Volunteers
- 530 people, healthy volunteers welcome
- Sponsor
- National Human Genome Research Institute (NHGRI)
Healthy
Essential Oil-Based Product System for Digestive Support
This study aims to evaluate the efficacy of specific essential oils. Efficacy will be evaluated through changes, if any, to hsCRP, gene expression, and standard hematologic and metabolic parameters, as well as subjective health…
- Trial name
- NCT07653815
- Testing
- essential oil supplement, Essential Oil
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- dōTERRA International
Gastrointestinal Microbiome, Nutrition, Healthy
The Effects of a Novel Nutritional Product on Nutrient Gaps and Gut Health in Adults With Occasional Gastrointestinal Issues
This study is a randomized, double-blind, placebo-controlled study of N=40 adult men and women with occasional GI issues. This study to assess the effect of a novel dietary supplement on the gut microbiome, nutrient gaps, and…
- Trial name
- NCT06564285
- Testing
- AG1 - Nutritional Supplement
- Where
- United States
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Athletic Greens International
Healthy
FlaxFx, A Research Study of the Effects of Flaxseed Lignans on Colon Health
Colorectal (CRC) cancer is the third most common cancer in the United States and its incidence is rising in younger populations. Diet seems to affect risk for CRC.
- Trial name
- FlaxFx (NCT01619020)
- Testing
- Flaxseed Lignans
- Where
- United States
- Volunteers
- 66 people, healthy volunteers welcome
- Sponsor
- Fred Hutchinson Cancer Center
Pregnancy, Food Hypersensitivity
Traditional Asian Diet and Gut Microbiome and Metabolome in Healthy Volunteers and Pregnancy on Infant's Allergy Development
The research aims to elucidate a specially-designed personalized diet based on Traditional Asian Diet and its efficacy in increasing the gut colonization of Prevotella sp.
- Conditions
- Pregnancy, Food Hypersensitivity, Healthy
- Trial name
- NCT04885959
- Testing
- Traditional Asian Diet
- Where
- Malaysia
- Volunteers
- 92 people, healthy volunteers welcome
- Sponsor
- Universiti Sains Malaysia
Probiotics, Gut Microbiota
Probiotic Effects on the Microbe-brain-gut Interaction and Brain Activity During Stress Tasks in Healthy Subjects
The aim of this study is to determine if and how the "Probiotic Product" affects functional brain responses in healthy subjects during an emotional- and arithmetic stress task, respectively and in terms of microbe-brain-gut…
- Conditions
- Probiotics, Gut Microbiota, Emotional Stress, Magnetic Resonance Imaging
- Trial name
- NCT03615651
- Testing
- Probiotic
- Where
- Sweden
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Örebro University, Sweden
Dietary Habits, Bowel Dysfunction
Fiber and Water Improve Bowel Habit in Humans
Twenty healthy volunteers had their baseline parameters (symptoms, bowel habit, quality of life, fecal characteristics and microbiota) measured during a week of monitoring followed by randomization to a 14 days course of…
- Trial name
- NCT02838849
- Testing
- Fiber, Fiber and Water
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Universidade de Passo Fundo
Healthy
Chronic Cardiovascular and Gut-bacteria Effects of Phenolic Rich Oats in Adults With Above Average Blood Pressure
In this proposed human trial, the investigators aim to establish whether 4 weeks of daily consumption of beta-glucan matched meals providing either a high dose or a moderate dose of oat avenanthramides and phenolic acids leads to…
- Trial name
- NCT02847312
- Testing
- High avenanthramide, phenolic acid, Low avenanthramide, medium phenolic acid, Control
- Where
- United Kingdom
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Reading
Healthy, Healthy Nutrition
The BEGIN Study Bifidobacterium Infantis to Newborns: Effects of Modulating the Gut Microbial Composition on Growth, Immune Function and Inflammatory Conditions - a Randomized Placebo-controlled Double-blinded Intervention Trial
The goal of The BEGIN Study, a randomized controlled double-blinded intervention trial, is to learn if probiotics, with Bifidobacterium longum subspecies infantis Bifin02 (B.
- Trial name
- BEGIN (NCT06452199)
- Testing
- B. infantis
- Where
- 2 sites in Denmark
- Volunteers
- 1,000 people, healthy volunteers welcome
- Sponsor
- University of Aarhus
Changes in Human Gut Microbiome in Healthy Adults
Prospective Randomized Controlled Pilot Study of Gut Microbiome Modulation by Nigella Sativa Seed Oil and Thymoquinone Metabolism in Healthy Volunteers
For many patients, the additive use of dietary supplements without side effects is motivating for therapy and enhances quality of life.
- Trial name
- NCT07450807
- Testing
- Intake of Thymoquinone (TQ) containing Nigella Sativa Seed Oil (NSSO) capsules
- Where
- Germany
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- Aysun Tekbaş