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ClinicalTrials.gov public records Last synced Sep 6, 2026, 5:19 AM EDT

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Showing 1–24 of 32 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Hepatic Encephalopathy, Cirrhosis
Interventions
Resistant Potato Starch
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 99 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
2
States / cities
Rochester, Minnesota
Completed Not applicable Interventional Accepts healthy volunteers

Lifestyle Modification and Potato Consumption

NCT01771926
Conditions
Obesity
Interventions
potatoes, other carbohydrate
Other
Lead sponsor
USDA Grand Forks Human Nutrition Research Center
Federal
Eligibility
20 Years to 65 Years
Enrollment
107 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
Grand Forks, North Dakota
Conditions
Multiple Myeloma, Lymphoma
Interventions
Resistant Starch, Maltodextrin
Dietary Supplement
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2028
U.S. locations
1
States / cities
Omaha, Nebraska
Conditions
Healthy
Interventions
Jarro-Dophilus EPS® (5 billion CFU/capsule), Jarro-Dophilus EPS® High Potency (25 billion CFU/capsule), Placebo
Dietary Supplement
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 50 Years
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016
U.S. locations
1
States / cities
Gainesville, Florida
Conditions
Type2diabetes, Heart Failure With Preserved Ejection Fraction
Interventions
Potato Starch
Dietary Supplement
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Ann Arbor, Michigan
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of Probiotic Intake on Intestinal Permeability in Healthy Adults

NCT03611400
Conditions
Intestinal Barrier Function
Interventions
Probiotic, Placebo
Dietary Supplement
Lead sponsor
University of Florida
Other
Eligibility
21 Years to 50 Years
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Gainesville, Florida
Conditions
Healthy
Interventions
Placebo, Probiotic Combination, Bifidobacterium bifidum, Bifidobacterium longum
Dietary Supplement
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Enrollment
634 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Gainesville, Florida
Conditions
Cirrhosis, PTSD
Interventions
Resistant potato starch, Powdered cellulose
Dietary Supplement
Lead sponsor
Hunter Holmes Mcguire Veteran Affairs Medical Center
Federal
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Richmond, Virginia
Completed Not applicable Interventional Accepts healthy volunteers Results available

Probiotics and Health-related Quality of Life in Individuals With Seasonal Allergies

NCT02349711
Conditions
Healthy
Interventions
Probiotic mixture, Placebo
Dietary Supplement
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 60 Years
Enrollment
224 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
Gainesville, Florida
Conditions
Aging
Interventions
Probiotic capsule and Fiber Sachet, Probiotic capsule and Placebo sachet, Placebo capsule and Fiber Sachet, Placebo capsule and Placebo sachet
Dietary Supplement
Lead sponsor
University of Florida
Other
Eligibility
65 Years and older · Female only
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015
U.S. locations
2
States / cities
Gainesville, Florida • Ocala, Florida
Conditions
Myelodysplastic Syndromes, Chronic Myelomonocytic Leukemia-1, Cytopenia
Interventions
Vitamin C (ascorbic acid), Placebo
Dietary Supplement · Other
Lead sponsor
Rigshospitalet, Denmark
Other
Eligibility
18 Years and older
Enrollment
109 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2025
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Insulin Sensitivity, Lipid Metabolism, Resistant Starch, Potato
Interventions
Potato (Resistant Starch), CHO-matched (Low-fiber, RS-free)
Other
Lead sponsor
Midwest Center for Metabolic and Cardiovascular Research
Other
Eligibility
18 Years to 74 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Boca Raton, Florida
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
Conditions
Ulcerative Colitis
Interventions
Kyo-Dophilus, placebo
Dietary Supplement
Lead sponsor
University of California, Irvine
Other
Eligibility
18 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007
U.S. locations
1
States / cities
Orange, California
Completed Not applicable Interventional Accepts healthy volunteers

Probiotic and Gastrointestinal Symptoms Due to Menstruation in Healthy Women

NCT04457401
Conditions
Menstrual Discomfort
Interventions
Probiotic, Placebo
Dietary Supplement
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
187 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
1
States / cities
Gainesville, Florida
Conditions
Overweight and Obesity
Interventions
Potatoes
Other
Lead sponsor
Texas Woman's University
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Houston, Texas
Conditions
Covid19
Interventions
OL-1, standard dose, OL-1, high dose, Placebo
Dietary Supplement
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years to 60 Years
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
New Brunswick, New Jersey
Conditions
Type II Diabetes
Interventions
Potato Starch (Bob's Red Mill), Pregelatinized Starch (Resource ThickenUp)
Dietary Supplement
Lead sponsor
Wayne State University
Other
Eligibility
18 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2017
U.S. locations
1
States / cities
Detroit, Michigan
Conditions
Heart Failure, Heart Failure With Reduced Ejection Fraction, Heart Failure, Systolic, Heart Failure With Preserved Ejection Fraction, Heart Failure, Diastolic
Interventions
Lactobacillus Plantarum 299v Freeze Dried Capsule, Freeze Dried Potato Starch Capsule
Other
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
21 Years to 89 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Conditions
COVID-19
Interventions
Lactobacillus Plantarum 299v Freeze Dried Capsule, Freeze Dried Potato Starch Capsule
Other
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years to 89 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Conditions
Healthy
Interventions
Probiotic, Placebo
Dietary Supplement
Lead sponsor
University of Florida
Other
Eligibility
65 Years to 80 Years
Enrollment
46 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
Gainesville, Florida
Conditions
Clostridium Infections, Methicillin-resistant Staphylococcus Aureus (MRSA), Vancomycin-Resistant Enterococci, Carbapenem-Resistant Enterobacteriaceae, Asymptomatic Infections
Interventions
Resistant Potato Starch, Maltodextrin
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027 – 2030
U.S. locations
1
States / cities
Madison, Wisconsin
Completed Not applicable Interventional Accepts healthy volunteers

Impact of Slowly Digestible Carbohydrates on the Gut-brain Axis

NCT05349903
Conditions
Appetitive Behavior, Obesity, Diabetes Mellitus, Type 2
Interventions
Rice flour, Alternanoligosaccharide 15, Inulin, Waxy potato starch, Waxy potato starch + epigallocatechin gallate (EGCG), Chickpea flour + epigallocatechin gallate (EGCG)
Other
Lead sponsor
Purdue University
Other
Eligibility
22 Years to 45 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
West Lafayette, Indiana
Conditions
Anatomic Stage 0 Breast Cancer AJCC v8, Anatomic Stage I Breast Cancer AJCC v8, Anatomic Stage II Breast Cancer AJCC v8, Anatomic Stage III Breast Cancer AJCC v8, Localized Breast Carcinoma
Interventions
Starch, Potato
Drug
Lead sponsor
University of Michigan Rogel Cancer Center
Other
Eligibility
Not listed
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Ann Arbor, Michigan