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Showing 25–45 of 21 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Lipopolysaccharide Clear all
Terminated Phase 1 Interventional Accepts healthy volunteers

Genetics of Asthma - Bronchoscopy Studies

NCT00644514
View directory record Official record
Conditions
Atopic Asthma, Healthy
Interventions
Endotoxin - lipopolysaccharide (LPS)
Biological
Lead sponsor
John Sundy
Other
Eligibility
18 Years to 40 Years
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 15, 2013 · Synced Sep 26, 2026, 7:44 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Leprosy Skin Test Antigens Trial

NCT00128193
View directory record Official record
Conditions
Leprosy
Interventions
Tuberculin, Purified Protein Derivative, MLSA-LAM, MLCwA, Placebo
Biological · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 60 Years
Enrollment
260 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2009
U.S. locations
1
States / cities
Fort Collins, Colorado
Source: ClinicalTrials.gov public record
Updated Dec 23, 2014 · Synced Sep 26, 2026, 7:44 PM 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 11, 2016 · Synced Sep 26, 2026, 7:44 PM 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 6, 2026 · Synced Sep 26, 2026, 7:44 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 26, 2026, 7:44 PM EDT
Withdrawn Early Phase 1 Interventional Accepts healthy volunteers

Theophylline for Depression Study

NCT04309877
View directory record Official record
Conditions
Depression
Interventions
Theophylline ER, PO placebo, Lipopolysaccharide (LPS), IV placebo
Drug · Other · Biological
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 65 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Nov 4, 2021 · Synced Sep 26, 2026, 7:44 PM 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 7, 2023 · Synced Sep 26, 2026, 7:44 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 26, 2026, 7:44 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Safety and Immunogenicity of the Na-APR-1 Hookworm Vaccine in Healthy Adults

NCT01717950
View directory record Official record
Conditions
Hookworm Infection, Hookworm Disease
Interventions
Na-APR-1 (M74)/Alhydrogel®, Gluco-Pyranosylphospho-Lipid A Aqueous Formulation
Biological
Lead sponsor
Baylor College of Medicine
Other
Eligibility
18 Years to 50 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Jul 30, 2019 · Synced Sep 26, 2026, 7:44 PM 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 19, 2019 · Synced Sep 26, 2026, 7:44 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 26, 2026, 7:44 PM 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 21, 2014 · Synced Sep 26, 2026, 7:44 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Inflammation and the Host Response to Injury (In Healthy Volunteers)

NCT00820989
View directory record Official record
Conditions
Immune System
Interventions
Endotoxin, Lipopolysaccharide, LPS
Biological
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years to 40 Years
Enrollment
116 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2000 – 2011
U.S. locations
1
States / cities
New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated May 20, 2014 · Synced Sep 26, 2026, 7:44 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Peripheral Benzodiazepine Receptors (PBR28) Brain PET Imaging With Lipopolysaccharide Challenge for the Study of Microglia Function in Alzheimer's Disease

NCT04057807
View directory record Official record
Conditions
Alzheimer Disease
Interventions
LPS
Drug
Lead sponsor
Yale University
Other
Eligibility
55 Years to 90 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Feb 4, 2024 · Synced Sep 26, 2026, 7:44 PM 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 21, 2026 · Synced Sep 26, 2026, 7:44 PM 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 21, 2024 · Synced Sep 26, 2026, 7:44 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 26, 2026, 7:44 PM 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 29, 2017 · Synced Sep 26, 2026, 7:44 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 26, 2026, 7:44 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 26, 2026, 7:44 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

CBD-Microglia PET Study

NCT04398719
View directory record Official record
Conditions
CBD, Healthy
Interventions
[11C]PBR28, Low-dose lipopolysaccharide, Intradermal Capsaicin
Radiation · Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 55 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 28, 2026 · Synced Sep 26, 2026, 7:44 PM EDT