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Showing 1–24 of 32 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Glycerol placebo Clear all
Completed Phase 3 Interventional Results available

Efficacy and Safety of HPN-100 for the Treatment of Adults With Urea Cycle Disorders

NCT00992459
View directory record Official record
Conditions
Urea Cycle Disorders
Interventions
HPN-100, Buphenyl (NaPBA)
Drug
Lead sponsor
Amgen
Industry
Eligibility
18 Years and older
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
21
States / cities
Long Beach, California • Los Angeles, California • Stanford, California + 18 more
Source: ClinicalTrials.gov public record
Updated Jul 8, 2024 · Synced Sep 7, 2026, 9:16 PM EDT
Not listed Phase 2 Interventional Accepts healthy volunteers

Assessing the Efficacy of CREWS01 to Decrease Usage of Rescue Inhalers in Moderate to Severe Asthmatic Adults

NCT02153541
View directory record Official record
Conditions
Asthma
Interventions
Antipyrine-benzocaine otic solution, Glycerin with Oxyquinoline Sulfate
Drug · Other
Lead sponsor
Global United Pharmaceutical Corporation
Industry
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Augusta, Georgia
Source: ClinicalTrials.gov public record
Updated Feb 7, 2023 · Synced Sep 7, 2026, 9:16 PM EDT
Completed Phase 2 Interventional Results available

A Study of Safety and Efficacy of HPN-100 in Subjects With Cirrhosis and Episodic Hepatic Encephalopathy

NCT00999167
View directory record Official record
Conditions
Cirrhosis, Hepatic Encephalopathy
Interventions
HPN-100, Placebo
Drug
Lead sponsor
Amgen
Industry
Eligibility
18 Years and older
Enrollment
189 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
28
States / cities
Palo Alto, California • Washington D.C., District of Columbia • Miami, Florida + 21 more
Source: ClinicalTrials.gov public record
Updated Jul 9, 2024 · Synced Sep 7, 2026, 9:16 PM EDT
Completed Phase 2 Interventional Results available

Herbal Mouthrinse for Oral Mucositis Study

NCT01898091
View directory record Official record
Conditions
Oral Mucositis
Interventions
Neem Mouthrinse, Placebo Mouthrinse
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 89 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Mar 5, 2017 · Synced Sep 7, 2026, 9:16 PM EDT
Completed Phase 2 Interventional Results available

Safety and Efficacy of 5% Monolaurin Vaginal Gel Administered Intravaginally for the Treatment of Bacterial Vaginosis

NCT02709005
View directory record Official record
Conditions
Bacterial Vaginosis
Interventions
5% Monolaurin Vaginal Gel, Placebo
Drug · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 50 Years · Female only
Enrollment
109 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
3
States / cities
Iowa City, Iowa • Durham, North Carolina • Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 27, 2018 · Synced Sep 7, 2026, 9:16 PM EDT
Completed Phase 1Phase 2 Interventional Results available

A Randomized, Double-Blind Placebo-Controlled Peanut Sublingual Immunotherapy Trial

NCT00580606
View directory record Official record
Conditions
Food Hypersensitivity, Hypersensitivity, Immediate Hypersensitivity, Peanut Hypersensitivity
Interventions
Glycerinated peanut allergenic extract, Placebo for peanut extract (glycerin)
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
12 Years to 40 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2014
U.S. locations
5
States / cities
Little Rock, Arkansas • Denver, Colorado • Baltimore, Maryland + 2 more
Source: ClinicalTrials.gov public record
Updated Aug 20, 2019 · Synced Sep 7, 2026, 9:16 PM EDT
Terminated Phase 1Phase 2 Interventional Results available

Glycerol Phenylbutyrate Corrector Therapy For CF (Cystic Fibrosis)

NCT02323100
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Ravicti low dose, Placebo
Drug
Lead sponsor
National Jewish Health
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
3
States / cities
Denver, Colorado • Baltimore, Maryland • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 16, 2026 · Synced Sep 7, 2026, 9:16 PM EDT
Terminated Early Phase 1 Interventional

Refined Fecal Microbiota Transplantation (FMT) for Ulcerative Colitis (UC)

NCT04968951
View directory record Official record
Conditions
Ulcerative Colitis, FMT, Fecal Microbiota Transplant
Interventions
Metronidazole, Placebo, Vancomycin, Fecal Microbiota Transplantation
Drug · Biological
Lead sponsor
Ari M Grinspan
Other
Eligibility
18 Years to 75 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 25, 2024 · Synced Sep 7, 2026, 9:16 PM EDT
Terminated Phase 2 Interventional Accepts healthy volunteers Results available

Neuro Biomarkers of Smoking Behavior

NCT03811951
View directory record Official record
Conditions
Smoking Cessation
Interventions
Novolin R
Drug
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
21 Years to 40 Years
Enrollment
4 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 1, 2021 · Synced Sep 7, 2026, 9:16 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Effect of Adding Glycerol to Electrolyte Beverages on Fluid Balance in Healthy Euhydrated Men and Women at Rest

NCT06654557
View directory record Official record
Conditions
Fluid Balance
Interventions
Placebo beverage, kiwi-strawberry flavor (Part 1 and Part 2), 0% carbohydrate electrolyte solution with glycerol beverage (Part 1 only), 0% carbohydrate electrolyte solution without glycerol beverage (Part 1 only), 1% carbohydrate electrolyte solution with glycerol beverage (Parts 1 and 2), 6% carbohydrate electrolyte solution with glycerol beverage (Parts 1 and 2), 6% carbohydrate electrolyte solution without glycerol beverage (Part 2 only), 2% carbohydrate electrolyte solution without glycerol beverage (Part 2 only)
Other
Lead sponsor
PepsiCo Global R&D
Industry
Eligibility
18 Years to 50 Years
Enrollment
95 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Valhalla, New York
Source: ClinicalTrials.gov public record
Updated Feb 10, 2025 · Synced Sep 7, 2026, 9:16 PM EDT
Completed Phase 3 Interventional Results available

ECOSPOR III - SER-109 Versus Placebo in the Treatment of Adults With Recurrent Clostridium Difficile Infection

NCT03183128
View directory record Official record
Conditions
Clostridium Difficile Infection
Interventions
SER-109, Placebo
Biological · Drug
Lead sponsor
Seres Therapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
182 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
51
States / cities
North Little Rock, Arkansas • Mather, California • Mountain View, California + 46 more
Source: ClinicalTrials.gov public record
Updated Apr 26, 2023 · Synced Sep 7, 2026, 9:16 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Clinical Safety of a Novel Milk Protein Peptide

NCT01412658
View directory record Official record
Conditions
Drug Safety
Interventions
Hydrolyzed milk protein mixture, Glycerol placebo
Dietary Supplement
Lead sponsor
Ambryx Biotechnology
Industry
Eligibility
35 Years to 60 Years
Enrollment
73 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
1
States / cities
Waco, Texas
Source: ClinicalTrials.gov public record
Updated Aug 8, 2011 · Synced Sep 7, 2026, 9:16 PM EDT
Completed Phase 2 Interventional Results available

Phase 2 Study of Triheptanoin (UX007) for the Treatment of Glucose Transporter Type 1 Deficiency Syndrome (Glut1 DS)

NCT01993186
View directory record Official record
Conditions
Glucose Transporter Type 1 Deficiency Syndrome (Glut1 DS)
Interventions
UX007, Placebo
Drug
Lead sponsor
Ultragenyx Pharmaceutical Inc
Industry
Eligibility
1 Year to 100 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
8
States / cities
Aurora, Colorado • Miami, Florida • Orlando, Florida + 4 more
Source: ClinicalTrials.gov public record
Updated Jun 18, 2020 · Synced Sep 7, 2026, 9:16 PM EDT
Terminated Phase 1 Interventional

FMT for MDRO Colonization After Infection in Renal Transplant Recipients

NCT02922816
View directory record Official record
Conditions
Infection Due to Resistant Organism
Interventions
Fecal Microbiota Transplant (FMT), Bowel preparation, Stool or perirectal swab sampling, Fasting
Biological · Procedure · Other
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Nov 14, 2023 · Synced Sep 7, 2026, 9:16 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Prebiotic Effects of Isomalto-oligosaccharide

NCT02433873
View directory record Official record
Conditions
Microbiota
Interventions
Isomalto-oligosaccharide
Dietary Supplement
Lead sponsor
George Mason University
Other
Eligibility
18 Years to 45 Years
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Fairfax, Virginia
Source: ClinicalTrials.gov public record
Updated Mar 22, 2017 · Synced Sep 7, 2026, 9:16 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study of the Safety of USB005 in Healthy Volunteers

NCT03615196
View directory record Official record
Conditions
Healthy Volunteers
Interventions
USB005 (aclerastide) Ophthalmic Solution, USB005 Ophthalmic Solution Placebo
Drug
Lead sponsor
US Biotest, Inc.
Industry
Eligibility
18 Years to 64 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Cypress, California
Source: ClinicalTrials.gov public record
Updated Apr 3, 2019 · Synced Sep 7, 2026, 9:16 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of a Glycerol-Electrolyte Beverage on Fluid Balance in Healthy Euhydrated Men and Women

NCT07217834
View directory record Official record
Conditions
Fluid Balance
Interventions
Placebo beverage, kiwi-strawberry flavor, Experimental glycerol beverage, kiwi-strawberry flavor
Other
Lead sponsor
PepsiCo Global R&D
Industry
Eligibility
18 Years to 50 Years
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Bradenton, Florida
Source: ClinicalTrials.gov public record
Updated Jul 14, 2026 · Synced Sep 7, 2026, 9:16 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Visceral Adiposity and Diabetes: Translating Form to Function Using Imaging

NCT02833415
View directory record Official record
Conditions
Obesity, Visceral
Interventions
[U-13C3] glycerol, Empagliflozin, Placebo (for Empagliflozin)
Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
30 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jan 22, 2020 · Synced Sep 7, 2026, 9:16 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Double-Blind Randomized Crossover Trial to Access Electrocardiogram Effects of HPN-100

NCT01135680
View directory record Official record
Conditions
Drug Toxicity
Interventions
HPN-100, HPN-100 or Placebo, Placebo, Moxifloxacin
Drug
Lead sponsor
Amgen
Industry
Eligibility
18 Years to 45 Years
Enrollment
98 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jun 19, 2024 · Synced Sep 7, 2026, 9:16 PM EDT
Completed Phase 2 Interventional Results available

Examining the Efficacy of Fecal Microbiota Transplantation (FMT) and Dietary Fiber in Patients With Ulcerative Colitis

NCT03998488
View directory record Official record
Conditions
Ulcerative Colitis, Inflammatory Bowel Diseases
Interventions
Fecal Microbiota Transplantation, Psyllium Husk Powder
Drug · Dietary Supplement
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years to 89 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 2, 2025 · Synced Sep 7, 2026, 9:16 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Chronic Obstructive Pulmonary Disease Fish Oil Pilot Trial

NCT00835289
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
n-3 polyunsaturated fatty acids, Placebo
Dietary Supplement · Other
Lead sponsor
Columbia University
Other
Eligibility
40 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2013
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 16, 2020 · Synced Sep 7, 2026, 9:16 PM EDT
Not listed Phase 2Phase 3 Interventional

A Multi-Center Study on the Use of Rho-Kinase Inhibitor to Reduce or Prevent PVR in RRD Eyes at High Risk for PVR

NCT05660447
View directory record Official record
Conditions
Rhegmatogenous Retinal Detachment, Proliferative Vitreoretinopathy
Interventions
Netarsudil 0.02% Ophthalmic Solution [RHOPRESSA], Glycerin 0.2%/Hypromellose 0.2%/Peg 1%/Soln,Oph,Ud
Drug
Lead sponsor
Wills Eye
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 29, 2024 · Synced Sep 7, 2026, 9:16 PM EDT
Terminated Phase 1 Interventional Results available

Targeted Investigation of Microbiome Elimination

NCT05177328
View directory record Official record
Conditions
Atopic Dermatitis
Interventions
S. hominis A 9 Product, Placebo
Biological · Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 80 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Nov 11, 2024 · Synced Sep 7, 2026, 9:16 PM EDT
Completed Phase 1 Interventional

SER-262 Versus Placebo in Adults With Primary Clostridium Difficile Infection to Prevent Recurrence

NCT02830542
View directory record Official record
Conditions
Clostridium Difficile Infection
Interventions
SER-262, Placebo
Drug
Lead sponsor
Seres Therapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
96 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
22
States / cities
Athens, Alabama • Fountain Valley, California • La Mesa, California + 19 more
Source: ClinicalTrials.gov public record
Updated Feb 5, 2023 · Synced Sep 7, 2026, 9:16 PM EDT