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ClinicalTrials.gov public records Last synced Oct 18, 2026, 4:37 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–20 of 20 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Crystalline Cellulose Clear all
Completed No phase listed Observational Accepts healthy volunteers

Observational Metabolic Health Study

NCT06790407
View directory record Official record
Conditions
Healthy
Interventions
Mimio Study Product, Placebo
Dietary Supplement
Lead sponsor
Mimio Health, Inc.
Industry
Eligibility
55 Years and older
Enrollment
96 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated May 11, 2025 · Synced Oct 18, 2026, 4:37 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

An Evaluation of Psilocybin's Effect on Cardiac Repolarization and the Effect of Food on Psilocybin's Pharmacokinetics

NCT05478278
View directory record Official record
Conditions
QTc Interval, Pharmacokinetics
Interventions
Psilocybin, Moxifloxacin, Micro-Crystalline Cellulose
Drug
Lead sponsor
Usona Institute
Other
Eligibility
18 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Aug 15, 2023 · Synced Oct 18, 2026, 4:37 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of PeptiSleep on Sleep Quality in Healthy Adults

NCT07258433
View directory record Official record
Conditions
Sleep, Wearable Technology, Cortisol, Healthy Participants, Cognitive Abilities
Interventions
PeptiSleep, Micro-crystalline cellulose
Dietary Supplement
Lead sponsor
Nuritas Ltd
Industry
Eligibility
18 Years to 65 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Wilmington, Delaware
Source: ClinicalTrials.gov public record
Updated May 1, 2026 · Synced Oct 18, 2026, 4:37 PM EDT
Completed Phase 2 Interventional Results available

VE303 for Treatment of Hepatic Encephalopathy (HE)

NCT04899115
View directory record Official record
Conditions
Cirrhosis, Hepatic Encephalopathy
Interventions
Placebo, VE303, oral vancomycin
Drug
Lead sponsor
Patricia Bloom
Other
Eligibility
18 Years to 75 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Feb 7, 2025 · Synced Oct 18, 2026, 4:37 PM EDT
Completed Phase 2Phase 3 Interventional Results available

Impact of Emergency Department Probiotic (LGG) Treatment of Pediatric Gastroenteritis

NCT01773967
View directory record Official record
Conditions
Gastroenteritis
Interventions
LGG, micro-crystalline cellulose
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
3 Months to 48 Months
Enrollment
971 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
10
States / cities
Sacramento, California • Washington D.C., District of Columbia • Chicago, Illinois + 7 more
Source: ClinicalTrials.gov public record
Updated Sep 6, 2019 · Synced Oct 18, 2026, 4:37 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Safety and PK of MBX-400 (Cyclopropavir) in Normal Volunteers

NCT02454699
View directory record Official record
Conditions
Cytomegalovirus Infection
Interventions
MBX400, Placebo
Drug · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 65 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Decatur, Georgia
Source: ClinicalTrials.gov public record
Updated Dec 26, 2017 · Synced Oct 18, 2026, 4:37 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Citrulline Supplementation On Vascular Responsiveness and Function in Postmenopausal Women

NCT05600413
View directory record Official record
Conditions
Menopause
Interventions
L-Citrulline, Placebo
Dietary Supplement
Lead sponsor
Texas Tech University
Other
Eligibility
50 Years to 79 Years · Female only
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Lubbock, Texas
Source: ClinicalTrials.gov public record
Updated Oct 31, 2022 · Synced Oct 18, 2026, 4:37 PM EDT
Recruiting Early Phase 1 Interventional

Capsule Microbiota Transplant Therapy for Hidradenitis Suppurativa

NCT06058520
View directory record Official record
Conditions
Hidradenitis Suppurativa
Interventions
Fecal Microbiota - lyophilized, Placebo drug
Drug
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 3, 2026 · Synced Oct 18, 2026, 4:37 PM EDT
Completed Phase 3 Interventional Results available

Metformin Therapy for Overweight Adolescents With Type 1 Diabetes

NCT01881828
View directory record Official record
Conditions
Type 1 Diabetes
Interventions
Metformin (glucophage), oral placebo
Drug · Other
Lead sponsor
Jaeb Center for Health Research
Other
Eligibility
12 Years to 19 Years
Enrollment
164 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Mar 3, 2020 · Synced Oct 18, 2026, 4:37 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Glutathione on Immunity in Individuals Training for a Marathon

NCT03725241
View directory record Official record
Conditions
Healthy
Interventions
Glutathione Supplement, Placebo Supplement
Dietary Supplement
Lead sponsor
University of North Texas, Denton, TX
Other
Eligibility
19 Years to 45 Years
Enrollment
84 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Denton, Texas
Source: ClinicalTrials.gov public record
Updated Nov 19, 2020 · Synced Oct 18, 2026, 4:37 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Turmeric and Turmeric-containing Tablets and Sebum Production

NCT03065504
View directory record Official record
Conditions
Skin Inflammation
Interventions
Turmeric, Turmeric-containing combination tablet, Placebo tablets
Dietary Supplement
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years to 60 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Dec 20, 2018 · Synced Oct 18, 2026, 4:37 PM EDT
Recruiting Phase 1Phase 2 Interventional Accepts healthy volunteers

Enhancing Parasympathetic Activity to Improve Endothelial Dysfunction, Vascular Oxidative Stress in African Americans

NCT04769206
View directory record Official record
Conditions
Endothelial Dysfunction
Interventions
Galantamine, Placebo, TENS 7000
Drug · Device
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 60 Years
Enrollment
160 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2028
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated May 18, 2026 · Synced Oct 18, 2026, 4:37 PM EDT
Completed Phase 1 Interventional

Lipoic Acid as a Treatment for Acute Optic Neuritis

NCT01294176
View directory record Official record
Conditions
Optic Neuritis
Interventions
Lipoic Acid
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 65 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Apr 26, 2019 · Synced Oct 18, 2026, 4:37 PM EDT
Completed Not applicable Interventional

Betaine, Exercise Performance, and Gut Permeability

NCT06392360
View directory record Official record
Conditions
Metabolic Disturbance, Permeability; Increased
Interventions
Betaine, Placebo
Dietary Supplement
Lead sponsor
Appalachian State University
Other
Eligibility
18 Years to 65 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
2
States / cities
Kannapolis, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 11, 2025 · Synced Oct 18, 2026, 4:37 PM EDT
Completed Phase 1 Interventional

Fecal Transplant for Ulcerative Colitis

NCT03948919
View directory record Official record
Conditions
Ulcerative Colitis
Interventions
Fecal microbiota, Placebo
Drug
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 89 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 28, 2025 · Synced Oct 18, 2026, 4:37 PM EDT
Completed Phase 3 Interventional

Insulin Clamp Ancillary Study for Assessment of Insulin Resistance

NCT02045290
View directory record Official record
Conditions
Type 1 Diabetes
Interventions
Metformin, Placebo
Drug
Lead sponsor
Jaeb Center for Health Research
Other
Eligibility
12 Years to 19 Years
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Mar 14, 2017 · Synced Oct 18, 2026, 4:37 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

An Study to Investigate the Recovery, Excretion, and Pharmacokinetics of 14C-GSK1265744 Administered as a Single Oral Dose and a Study to Describe the Pharmacokinetics of a Supratherapeutic Dose of GSK1265744 in Healthy Adult Subjects

NCT01848340
View directory record Official record
Conditions
HIV-associated Lipodystrophy Syndrome
Interventions
GSK1265744B (sodium salt) containing 14C-GSK1265744B, 150 mg GSK1265744B, Placebo
Drug
Lead sponsor
ViiV Healthcare
Industry
Eligibility
18 Years to 60 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Nov 4, 2013 · Synced Oct 18, 2026, 4:37 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Oral Glutathione Supplementation in Older Healthy Adults and Its Effect on the Number of Healthy Days Experienced During Four Months of Supplementation Compared to Placebo

NCT02438956
View directory record Official record
Conditions
Improvement in Immune Cell Function in Elderly Humans
Interventions
Setria glutathione supplement, Crystalline Cellulose
Dietary Supplement
Lead sponsor
University of Florida
Other
Eligibility
50 Years to 75 Years
Enrollment
124 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Oct 24, 2017 · Synced Oct 18, 2026, 4:37 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Better Than Study: Targeting Heavy Alcohol Use With Naltrexone Among Men Who Have Sex With Men (MSM)

NCT02330419
View directory record Official record
Conditions
Binge Drinking, HIV
Interventions
Placebo, Naltrexone, Medical Management (MM) counseling for alcohol use:, Urinalysis for novel alcohol biochemical markers:, Behavioral survey measurements:, Dried Blood Spot (DSB) Testing for Phosphatidylethanol, Ecological Momentary Assessment
Drug · Behavioral · Diagnostic Test
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 70 Years · Male only
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2021
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Apr 20, 2025 · Synced Oct 18, 2026, 4:37 PM EDT
Terminated Phase 4 Interventional Results available

CARAT: Canagliflozin vs. Placebo for Post Bariatric Patients With Persistent Type 2 Diabetes

NCT02912455
View directory record Official record
Conditions
Diabetes Mellitus, Type 2, Obesity
Interventions
canagliflozin, Placebo (for canagliflozin)
Drug
Lead sponsor
The Cleveland Clinic
Other
Eligibility
20 Years to 75 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Nov 20, 2020 · Synced Oct 18, 2026, 4:37 PM EDT