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ClinicalTrials.gov public records Last synced Oct 4, 2026, 3:15 AM EDT

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Showing 25–45 of 45 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: lipopolysaccharide (LPS) Clear all
Completed Phase 2 Interventional Results available

Blood Lipopolysaccharide (LPS) Rifaximin Study

NCT02124512
View directory record Official record
Conditions
Obese, Insulin Resistance, Metabolic Syndrome
Interventions
Rifaximin SSD, Placebo
Drug · Other
Lead sponsor
Philip Kern
Other
Eligibility
35 Years to 65 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Aug 21, 2019 · Synced Oct 4, 2026, 3:15 AM EDT
Terminated Early Phase 1 Interventional Accepts healthy volunteers Results available

Leucine for Depression Study (L-DEP)

NCT03557684
View directory record Official record
Conditions
Depression
Interventions
leucine, PO placebo, lipopolysaccharide (LPS), IV placebo
Dietary Supplement · Other · Biological
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 65 Years
Enrollment
59 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jun 8, 2023 · Synced Oct 4, 2026, 3:15 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Systemic Inflammatory Response to CCRE

NCT02847247
View directory record Official record
Conditions
Healthy
Interventions
CCRE
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 50 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 20, 2019 · Synced Oct 4, 2026, 3:15 AM EDT
Completed Phase 1 Interventional

A Multipeptide Vaccine Plus Toll-Like Receptor Agonists in Melanoma Patients

NCT01585350
View directory record Official record
Conditions
Melanoma
Interventions
MELITAC 12.1 + Montanide ISA-51 + lipopolysaccharide (LPS), MELITAC 12.1 + Montanide ISA-51 + polyICLC
Biological
Lead sponsor
Craig L Slingluff, Jr
Other
Eligibility
18 Years and older
Enrollment
53 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Aug 12, 2016 · Synced Oct 4, 2026, 3:15 AM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

The Innate Central Nervous System Immune Response to an Experimental Immune Challenge in People With Fibromyalgia

NCT04263454
View directory record Official record
Conditions
Fibromyalgia
Interventions
Endotoxin, Escherichia Coli, Magnetic Resonance Spectroscopy
Drug · Procedure
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 55 Years · Female only
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Apr 14, 2023 · Synced Oct 4, 2026, 3:15 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Shigella Flexneri 2a Invaplex 50 Vaccine Dose Finding and Assessment of Protection

NCT00485134
View directory record Official record
Conditions
Shigellosis
Interventions
240 µg Shigella flexneri 2a Invaplex 50 vaccine, 480 µg Shigella flexneri 2a Invaplex 50 vaccine, 690 Shigella flexneri 2a Invaplex 50 vaccine, Shigella challenge strain
Biological · Other
Lead sponsor
U.S. Army Medical Research and Development Command
Federal
Eligibility
18 Years to 45 Years
Enrollment
113 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
2
States / cities
Baltimore, Maryland • Silver Spring, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 11, 2017 · Synced Oct 4, 2026, 3:15 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

The Effects of Hydrocortisone in Endotoxemia in Normal Volunteers

NCT01064986
View directory record Official record
Conditions
Infections
Interventions
Endotoxin, Lipopolysaccharide, LPS, Endotoxin, Lipopolysaccharide, LPS /Epinephrine, Placebo, Hydrocortisone
Biological
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years to 40 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated May 22, 2014 · Synced Oct 4, 2026, 3:15 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Quantifying Airway Inflammation With Radiologic Tests

NCT00741013
View directory record Official record
Conditions
Lung Inflammation
Interventions
placebo pill and placebo IV, Lovastatin pill and placebo IV, placebo pill and recombinant human activated protein C IV, Endotoxin
Drug · Biological
Lead sponsor
Washington University School of Medicine
Other
Eligibility
19 Years to 44 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated May 26, 2014 · Synced Oct 4, 2026, 3:15 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Assessing NOS Uptake With PET Imaging in Lung Inflammation

NCT02151552
View directory record Official record
Conditions
Lung Inflammation
Interventions
Endotoxin (E. coli O:113, Reference Endotoxin), [18F](+/-)NOS
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
19 Years to 44 Years
Enrollment
3 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2018
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jul 23, 2018 · Synced Oct 4, 2026, 3:15 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Dose-Related Inflammatory Effects of Intravenous Endotoxin in Humans

NCT02789241
View directory record Official record
Conditions
Healthy
Interventions
Endotoxin, Placebo
Biological · Other
Lead sponsor
Robert J Noveck, M.D.
Other
Eligibility
18 Years to 40 Years
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 11, 2017 · Synced Oct 4, 2026, 3:15 AM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers

Range of Neutrophil Response to 20,000 EU of Clinical Center Reference Endotoxin in Otherwise Healthy Smokers

NCT00753870
View directory record Official record
Conditions
Healthy Smokers
Interventions
CCRE inhalation
Biological
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 50 Years
Enrollment
2 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 18, 2011 · Synced Oct 4, 2026, 3:15 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Immune Cell Response to Stimuli

NCT00397280
View directory record Official record
Conditions
Inflammation
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
18 Years to 65 Years
Enrollment
750 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2009
U.S. locations
1
States / cities
Research Triangle Park, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 28, 2026 · Synced Oct 4, 2026, 3:15 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Genetics of Environmental Asthma

NCT00018096
View directory record Official record
Conditions
Asthma
Interventions
LPS endotoxin, saline, HDM
Biological
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
18 Years to 40 Years
Enrollment
176 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2001 – 2007
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated May 6, 2008 · Synced Oct 4, 2026, 3:15 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Inflammation and the Metabolic Syndrome in Humans

NCT00954824
View directory record Official record
Conditions
Metabolic Syndrome X
Interventions
Endotoxin (LPS)
Biological
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 40 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2007
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 30, 2017 · Synced Oct 4, 2026, 3:15 AM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers Results available

A Study To Evaluate The Safety And Effects On The Body Of An Investigational Drug Using An Endotoxin-Induced Inflammatory Response Model

NCT01965600
View directory record Official record
Conditions
Healthy
Interventions
PF-06282999, Placebo, LPS
Drug · Other
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 40 Years
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
2
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 2, 2016 · Synced Oct 4, 2026, 3:15 AM EDT
Recruiting Phase 1Phase 2 Interventional Accepts healthy volunteers

Neural Response to Inflammatory Challenge in Major Depressive Disorder

NCT04751331
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
LPS, Saline
Biological
Lead sponsor
Laureate Institute for Brain Research, Inc.
Other
Eligibility
18 Years to 65 Years
Enrollment
180 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
1
States / cities
Tulsa, Oklahoma
Source: ClinicalTrials.gov public record
Updated Apr 21, 2026 · Synced Oct 4, 2026, 3:15 AM EDT
Recruiting Phase 1Phase 2 Interventional

Phage Therapy for Recurrent UTIs in Kidney Transplant Recipients

NCT06409819
View directory record Official record
Conditions
Urinary Tract Infection, Recurrent
Interventions
phage therapy, control
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older · Female only
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Aug 14, 2025 · Synced Oct 4, 2026, 3:15 AM EDT
Not yet recruiting Phase 2 Interventional

Inulin Supplementation for Reducing Inflammation and Knee Pain in Older Adults With Osteoarthritis

NCT07189585
View directory record Official record
Conditions
Knee Osteoarthritis
Interventions
inulin, Maltodextrin (Placebo)
Drug
Lead sponsor
Yale University
Other
Eligibility
40 Years and older
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jul 7, 2026 · Synced Oct 4, 2026, 3:15 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Evaluation of a Biomarker Related to the GI Tract for the Diagnosis of Parkinson's Disease

NCT01904240
View directory record Official record
Conditions
Parkinson's Disease
Interventions
Not listed
Lead sponsor
Rush University Medical Center
Other
Eligibility
30 Years to 90 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Nov 13, 2014 · Synced Oct 4, 2026, 3:15 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Happy Gut Study - Fermented Vegetables and Cardiovascular Biomarkers

NCT04887662
View directory record Official record
Conditions
Cardiovascular Diseases
Interventions
Fermented vegetable
Other
Lead sponsor
University of North Florida
Other
Eligibility
35 Years to 64 Years
Enrollment
87 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Jan 22, 2024 · Synced Oct 4, 2026, 3:15 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Safety and Feasibility of an Endotoxemia Model

NCT01329965
View directory record Official record
Conditions
Cardiovascular Disease, Inflammation
Interventions
LPS (reference endotoxin, E. coli O113:H10:K:neg, manufactured under GMP)
Drug
Lead sponsor
Penn State University
Other
Eligibility
20 Years to 35 Years
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
University Park, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 21, 2023 · Synced Oct 4, 2026, 3:15 AM EDT