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Showing 1–16 of 16 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Endotoxin, Escherichia Coli Clear all
Completed Phase 1 Interventional Results available

Lipopolysaccharide (LPS) Challenge in Depression

NCT03142919
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
Lipopolysaccharide, Placebo
Biological
Lead sponsor
Laureate Institute for Brain Research, Inc.
Other
Eligibility
18 Years to 55 Years
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Tulsa, Oklahoma
Source: ClinicalTrials.gov public record
Updated Jul 1, 2025 · Synced Sep 25, 2026, 6:27 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

An Inflammatory Challenge Using Endotoxin

NCT04310423
View directory record Official record
Conditions
Alcohol Use Disorder, Inflammatory Response, Craving, Depressed Mood
Interventions
Placebo, Endotoxin
Drug · Biological
Lead sponsor
University of California, Los Angeles
Other
Eligibility
21 Years to 45 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 30, 2025 · Synced Sep 25, 2026, 6:27 PM 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 13, 2023 · Synced Sep 25, 2026, 6:27 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

PET Imaging of Endotoxin-induced iNOS Activation

NCT01407796
View directory record Official record
Conditions
Pneumonia
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
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 20, 2014 · Synced Sep 25, 2026, 6:27 PM EDT
Not yet recruiting Phase 1 Interventional Accepts healthy volunteers

Nasal Inflammation Following Endotoxin Challenge in Patients With Asthma

NCT06270576
View directory record Official record
Conditions
Asthma; Eosinophilic, Asthma
Interventions
Lipopolysaccharides
Drug
Lead sponsor
National Jewish Health
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Feb 20, 2024 · Synced Sep 25, 2026, 6:27 PM 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 20, 2023 · Synced Sep 25, 2026, 6:27 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Neuroimmune Response to Lipopolysaccharide

NCT04233593
View directory record Official record
Conditions
Healthy
Interventions
Lipopolysaccharide
Biological
Lead sponsor
Yale University
Other
Eligibility
18 Years to 55 Years
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2021
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jul 18, 2022 · Synced Sep 25, 2026, 6:27 PM 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 25, 2014 · Synced Sep 25, 2026, 6:27 PM 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 10, 2017 · Synced Sep 25, 2026, 6:27 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Wilm's Tumor 1 Protein Vaccine to Treat Cancers of the Blood

NCT00923910
View directory record Official record
Conditions
Leukemia, Acute Myelogenous (AML), Leukemia, Acute Lymphocytic (ALL), Leukemia, Chronic Myelogenous (CML), Myelodysplastic Syndrome (MDS), Non-Hodgkin's Lymphoma (NHL)
Interventions
WT1 Peptide-Pulsed Dendritic Cells, Donor Lymphocytes, IL-4, KLH, WT1 Peptides, Endotoxin, Diphenhydramine, Acetaminophen
Drug
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
1 Year to 74 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2016
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 11, 2017 · Synced Sep 25, 2026, 6:27 PM 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 5, 2008 · Synced Sep 25, 2026, 6:27 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Role of TLR4 in Environmental Asthma

NCT00671892
View directory record Official record
Conditions
Asthma
Interventions
Lipopolysaccharide endotoxin
Biological
Lead sponsor
John Sundy
Other
Eligibility
18 Years to 40 Years
Enrollment
855 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2001 – 2008
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 15, 2013 · Synced Sep 25, 2026, 6:27 PM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

Inflammatory Challenge in Human Aggression.

NCT06665074
View directory record Official record
Conditions
Intermittent Explosive Disorder
Interventions
Endotoxin (E. coli O:113, Reference Endotoxin), Saline (Placebo)
Biological · Other
Lead sponsor
Ohio State University
Other
Eligibility
21 Years to 55 Years
Enrollment
112 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2030
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 26, 2026 · Synced Sep 25, 2026, 6:27 PM EDT
Completed Phase 1 Interventional Results available

Feasibility Study of Intra-Tumoral Lipopolysaccharide Immunotherapy for Intra-Abdominal Tumors

NCT05751837
View directory record Official record
Conditions
Abdominal Cancer, Malignancy
Interventions
Lipopolysaccharide
Biological
Lead sponsor
Patrick Wagner, MD, FACS
Other
Eligibility
18 Years to 99 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
2
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 14, 2026 · Synced Sep 25, 2026, 6:27 PM 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 22, 2018 · Synced Sep 25, 2026, 6:27 PM 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 13, 2025 · Synced Sep 25, 2026, 6:27 PM EDT