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Showing 1–24 of 30 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Short Chain Fatty Acids Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Fiber Effectively Educates & Directs the Microbiome Study

NCT06395324
View directory record Official record
Conditions
Microbial Colonization
Interventions
High arabinose diet
Other
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years to 50 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Davis, California
Source: ClinicalTrials.gov public record
Updated Aug 26, 2025 · Synced Jul 21, 2026, 4:00 PM EDT
Not yet recruiting Not applicable Interventional

The Effects of Mango on Gut Health Markers

NCT07559604
View directory record Official record
Conditions
Gut Health, LBP, Short Chain Fatty Acids, sCD14
Interventions
Mango
Behavioral
Lead sponsor
Loma Linda University
Other
Eligibility
40 Years to 60 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Loma Linda, California
Source: ClinicalTrials.gov public record
Updated Jul 9, 2026 · Synced Jul 21, 2026, 4:00 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Dietary Fiber Effects on the Microbiome and Satiety

NCT04611217
View directory record Official record
Conditions
Dietary Fiber
Interventions
Dietary fiber: 10-25g, Dietary fiber: 5g
Other
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
20 Years to 55 Years
Enrollment
88 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Jun 21, 2025 · Synced Jul 21, 2026, 4:00 PM EDT
Completed Not applicable Interventional

A Pilot Proof of Concept Study of the Effects of Administration of SCFA in Rheumatoid Arthritis (EASi-RA)

NCT05152615
View directory record Official record
Conditions
Rheumatoid Arthritis
Interventions
Short Chain Fatty Acids (SCFA) Dietary Supplement
Dietary Supplement
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 23, 2024 · Synced Jul 21, 2026, 4:00 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

ButyraGen™, Short Chain Fatty Acids and Gut Microbiome

NCT05601635
View directory record Official record
Conditions
Healthy
Interventions
ButyraGen™
Dietary Supplement
Lead sponsor
Clinical Nutrition Research Center, Illinois Institute of Technology
Industry
Eligibility
18 Years and older
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 24, 2023 · Synced Jul 21, 2026, 4:00 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Short Chain Fatty Acid Metabolism in COPD

NCT03327181
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
short chain fatty acid tracers
Dietary Supplement
Lead sponsor
Texas A&M University
Other
Eligibility
45 Years to 100 Years
Enrollment
63 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
College Station, Texas
Source: ClinicalTrials.gov public record
Updated Sep 29, 2025 · Synced Jul 21, 2026, 4:00 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Healthy Volunteer Short Chain Fatty Acid Study

NCT05254340
View directory record Official record
Conditions
Healthy
Interventions
Inulin
Dietary Supplement
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 75 Years
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Sep 24, 2024 · Synced Jul 21, 2026, 4:00 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Resistant Starch Blend Gastrointestinal Impact

NCT03983772
View directory record Official record
Conditions
Quality of Life, Health, Subjective
Interventions
RS blend, Placebo
Dietary Supplement · Other
Lead sponsor
Metagenics, Inc.
Industry
Eligibility
21 Years to 65 Years
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Gig Harbor, Washington
Source: ClinicalTrials.gov public record
Updated Apr 5, 2022 · Synced Jul 21, 2026, 4:00 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Gastrointestinal And Metabolic Effects From a Prebiotic, Lifting, and Aerobic iNtervention

NCT05207488
View directory record Official record
Conditions
Overweight and Obesity
Interventions
Fructooligosaccharides (FOS), Exercise, Placebo
Dietary Supplement · Behavioral
Lead sponsor
University of Illinois at Urbana-Champaign
Other
Eligibility
20 Years to 45 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Urbana, Illinois
Source: ClinicalTrials.gov public record
Updated Nov 9, 2022 · Synced Jul 21, 2026, 4:00 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

The Precision Nutrition New York Study

NCT06777498
View directory record Official record
Conditions
Body Composition Changes, Body Weight Changes
Interventions
Whole Grain Intervention then fruits and vegetables, Fruit and Vegetable Intervention and then whole grains
Other
Lead sponsor
Cornell University
Other
Eligibility
21 Years to 50 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Ithaca, New York
Source: ClinicalTrials.gov public record
Updated Jul 10, 2025 · Synced Jul 21, 2026, 4:00 PM EDT
Not listed Phase 2 Interventional Accepts healthy volunteers

Acetate and Age-associated Arterial Dysfunction

NCT05424263
View directory record Official record
Conditions
Aging, Vascular Stiffness, Vascular Dilation
Interventions
Calcium Acetate Oral Solution, Calcium Carbonate Oral Suspension
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
50 Years and older
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Mar 14, 2024 · Synced Jul 21, 2026, 4:00 PM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers Results available

Brain Small Chain Fatty Acid Metabolism in Parkinson Disease: Tributyrin Supplementation

NCT05446168
View directory record Official record
Conditions
Parkinson Disease
Interventions
tributyrin
Drug
Lead sponsor
Nicolaas Bohnen, MD, PhD
Other
Eligibility
45 Years and older
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jan 22, 2025 · Synced Jul 21, 2026, 4:00 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Irritable Bowel Syndrome and Control Volunteers: Diet Challenge

NCT03983434
View directory record Official record
Conditions
IBS - Irritable Bowel Syndrome
Interventions
Inulin
Dietary Supplement
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 65 Years
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Apr 29, 2025 · Synced Jul 21, 2026, 4:00 PM EDT
Completed Not applicable Interventional

Prebiotics in the Parkinson's Disease Microbiome

NCT04512599
View directory record Official record
Conditions
Parkinson Disease
Interventions
Prebiotic Bar
Other
Lead sponsor
Rush University Medical Center
Other
Eligibility
Not listed
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Nov 2, 2022 · Synced Jul 21, 2026, 4:00 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Fiber Metabolism in Chronic Obstructive Pulmonary Disease

NCT04459156
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease, Aging
Interventions
Fiber Inulin, Placebo Maltodextrin
Dietary Supplement
Lead sponsor
Texas A&M University
Other
Eligibility
18 Years and older
Enrollment
87 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
College Station, Texas
Source: ClinicalTrials.gov public record
Updated Sep 29, 2025 · Synced Jul 21, 2026, 4:00 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of an Encapsulated Calcium Butyrate Dietary Supplement on Gut Health

NCT06397482
View directory record Official record
Conditions
Healthy, Gastrointestinal Discomfort
Interventions
Encapsulated Calcium Butyrate
Dietary Supplement
Lead sponsor
Kemin Foods LC
Industry
Eligibility
18 Years to 60 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Addison, Illinois
Source: ClinicalTrials.gov public record
Updated May 2, 2024 · Synced Jul 21, 2026, 4:00 PM EDT
Recruiting Phase 1Phase 2 Interventional

Phase 2 Trial of Tributyrin in People With Parkinson's Disease and Cognitive Impairments

NCT07154511
View directory record Official record
Conditions
Parkinson Disease, Parkinson Disease Dementia
Interventions
Tributyrin, Placebo
Drug
Lead sponsor
Prabesh Kanel
Other
Eligibility
45 Years and older
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Nov 11, 2025 · Synced Jul 21, 2026, 4:00 PM EDT
Completed Not applicable Interventional Results available

Effects of Administration of SCFA in Rheumatoid Arthritis Inadequate Responders

NCT05718583
View directory record Official record
Conditions
Rheumatoid Arthritis
Interventions
Butyrate
Dietary Supplement
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 1, 2026 · Synced Jul 21, 2026, 4:00 PM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Impact of Soluble Arabinoxylan and Rice Bran Fiber on the Gut Microbiome in Healthy Adults

NCT06873204
View directory record Official record
Conditions
Healthy
Interventions
Soluble Arabinoxylan, Rice Bran, Maltodextrin (Placebo)
Dietary Supplement
Lead sponsor
Purdue University
Other
Eligibility
18 Years to 45 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
West Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated Jun 28, 2025 · Synced Jul 21, 2026, 4:00 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Irritable Bowel Syndrome and Control Volunteers: Diet Challenge

NCT06668922
View directory record Official record
Conditions
Irritable Bowel Syndrome (IBS)
Interventions
Inulin
Dietary Supplement
Lead sponsor
University of California, Los Angeles
Other
Eligibility
17 Years to 65 Years
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2030
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Dec 8, 2025 · Synced Jul 21, 2026, 4:00 PM EDT
Completed Not applicable Interventional

Fiber Supplementation After Bariatric Surgery

NCT05653648
View directory record Official record
Conditions
Bariatric Surgery Candidate
Interventions
Potato starch
Dietary Supplement
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Lebanon, New Hampshire
Source: ClinicalTrials.gov public record
Updated Feb 28, 2024 · Synced Jul 21, 2026, 4:00 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Fecal Metabolome and the Intestinal Microbiota in Irritable Bowel Syndrome

NCT02981888
View directory record Official record
Conditions
IBS
Interventions
X-Ray
Radiation
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 65 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2023
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Apr 28, 2024 · Synced Jul 21, 2026, 4:00 PM EDT
Recruiting Phase 1Phase 2 Interventional

The Effects of SCFA Supplementation in Subjects Receiving Abdominopelvic RT: A Randomized Controlled Study

NCT04700527
View directory record Official record
Conditions
Toxicity, Radiation Toxicity
Interventions
Short Chain Fatty Acid, Tapioca Flour
Drug
Lead sponsor
UNC Lineberger Comprehensive Cancer Center
Other
Eligibility
18 Years and older
Enrollment
122 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2031
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 2, 2026 · Synced Jul 21, 2026, 4:00 PM EDT
Not yet recruiting Phase 4 Interventional

Impact of Probiotics on Gut Microbiome During Antibiotic Prophylaxis in Elective Orthopedic Surgery

NCT06791993
View directory record Official record
Conditions
Dysbiosis, Gut -microbiota, Microbiome Analysis, Probiotic, Antibiotic Prophylaxis
Interventions
Placebo Capsule, Probiotic with Human Milk Oligosaccharides (HMO)
Drug · Dietary Supplement
Lead sponsor
Acibadem Maslak Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 23, 2025 · Synced Jul 21, 2026, 4:00 PM EDT