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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Endotoxin Clear all
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Genetics of Evoked Responses to Niacin and Endotoxemia: The GENE Study

NCT00953667
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Immediate Release Niacin, Extended Release Niacin, Endotoxin
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 45 Years
Enrollment
400 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2011
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 23, 2016 · Synced Sep 10, 2026, 6:15 PM EDT
Completed No phase listed Observational

Chronic Obstructive Pulmonary Disease (COPD) and Domestic Endotoxin (CODE)

NCT00890136
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
Not listed
Lead sponsor
Johns Hopkins University
Other
Eligibility
40 Years to 100 Years
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2014
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 24, 2019 · Synced Sep 10, 2026, 6:15 PM EDT
Completed Phase 2 Interventional

A Safety and Efficacy Study of Intravenous E5564 in Patients With Severe Sepsis

NCT00046072
View directory record Official record
Conditions
Sepsis, Shock, Septic, Sepsis Syndrome, Septicemia, Infection
Interventions
E5564
Drug
Lead sponsor
Eisai Inc.
Industry
Eligibility
18 Years to 85 Years
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2005
U.S. locations
17
States / cities
Mobile, Alabama • San Diego, California • Santa Barbara, California + 14 more
Source: ClinicalTrials.gov public record
Updated Dec 11, 2005 · Synced Sep 10, 2026, 6:15 PM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers

Response of Airway Cells to 20,000 EU of Endotoxin in Normal Adults

NCT00838851
View directory record Official record
Conditions
Healthy Controls
Interventions
Clinical Center Reference Endotoxin (CCRE)
Biological
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 50 Years
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2012
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 7, 2012 · Synced Sep 10, 2026, 6:15 PM EDT
Completed No phase listed Observational

Procalcitonin and Endotoxin Sequential Levels to Optimize the Treatment of Bloodstream Infections

NCT00870623
View directory record Official record
Conditions
Bloodstream Infection
Interventions
Not listed
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years and older
Enrollment
223 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2016
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Sep 14, 2023 · Synced Sep 10, 2026, 6:15 PM 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 1, 2016 · Synced Sep 10, 2026, 6:15 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Cytokine-Associated Depression and Social Pain

NCT00949845
View directory record Official record
Conditions
Depression
Interventions
Endotoxin
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 45 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2007
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jul 29, 2009 · Synced Sep 10, 2026, 6:15 PM EDT
Recruiting Not applicable Interventional

Humidity Asthma Interventions for Low Socioeconomic Status Children

NCT07453667
View directory record Official record
Conditions
Pediatric Asthma
Interventions
Healthy home intervention
Other
Lead sponsor
Case Western Reserve University
Other
Eligibility
Up to 18 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
2
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 2, 2026 · Synced Sep 10, 2026, 6:15 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 10, 2026, 6:15 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 10, 2026, 6:15 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Aging and Reward System Response to Inflammation and Anxiety Study

NCT05363527
View directory record Official record
Conditions
Anhedonia, Inflammation, Anxiety, Aging, Depression
Interventions
Endotoxin, Placebo
Biological
Lead sponsor
University of California, Los Angeles
Other
Eligibility
60 Years to 80 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Dec 10, 2025 · Synced Sep 10, 2026, 6:15 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 10, 2026, 6:15 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Study of the Efficacy and Safety of Intravenous vs Oral Acetaminophen for Treatment of Fever in Healthy Adult Males

NCT00564629
View directory record Official record
Conditions
Fever
Interventions
Intravenous acetaminophen plus oral placebo, Oral acetaminophen plus IV placebo, Reference standard endotoxin (RSE)
Drug · Biological
Lead sponsor
Mallinckrodt
Industry
Eligibility
18 Years to 75 Years · Male only
Enrollment
105 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007
U.S. locations
1
States / cities
Knoxville, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 18, 2016 · Synced Sep 10, 2026, 6:15 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 10, 2026, 6:15 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Sleep and Healthy Aging Research for Depression (SHARE-D) Study

NCT03256760
View directory record Official record
Conditions
Depression in Old Age
Interventions
Endotoxin, Placebo
Biological
Lead sponsor
Michael Irwin, MD
Other
Eligibility
60 Years to 80 Years
Enrollment
160 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2024
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Sep 4, 2024 · Synced Sep 10, 2026, 6:15 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 10, 2026, 6:15 PM EDT
Completed Phase 2 Interventional Results available

Controlled Study to Evaluate the Safety and Efficacy of Azficel-T for Vocal Fold Scarring and Age-Related Dysphonia

NCT02120781
View directory record Official record
Conditions
Dysphonia Resulting From Vocal Fold Scarring, Age-related Dysphonia
Interventions
Azficel-T (autologous fibroblasts), Placebo
Biological · Drug
Lead sponsor
Castle Creek Biosciences, LLC.
Industry
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
3
States / cities
Los Angeles, California • Stanford, California • New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 2, 2021 · Synced Sep 10, 2026, 6:15 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 10, 2026, 6:15 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Vitamin D Repletion in Chronic Kidney Disease

NCT00772772
View directory record Official record
Conditions
Chronic Kidney Disease
Interventions
Vitamin D3
Drug
Lead sponsor
Rockefeller University
Other
Eligibility
50 Years to 80 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 14, 2015 · Synced Sep 10, 2026, 6:15 PM EDT
Terminated Phase 1 Interventional

Safety Study of 20,000 EU of Clinical Center Reference Endotoxin in Allergic Adults With and Without Mild Asthma

NCT00630461
View directory record Official record
Conditions
Mild Allergic Rhinitis, Mild Allergic Rhinitis With Mild Asthma
Interventions
Clinical Center Reference Endotoxin
Biological
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 50 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 7, 2012 · Synced Sep 10, 2026, 6:15 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Study of the Effect of Innate on the Inflammatory Response to Endotoxin

NCT01143480
View directory record Official record
Conditions
Asthma, Atherosclerosis, Metabolic Syndrome, Insulin Resistance, Cancer
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
18 Years to 100 Years
Enrollment
725 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2012
U.S. locations
1
States / cities
Research Triangle Park, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 6, 2026 · Synced Sep 10, 2026, 6:15 PM EDT
Completed No phase listed Observational

Endotoxin and Intestinal Flora Before and After Gastric Bypass or Banding in Diabetics

NCT00960765
View directory record Official record
Conditions
Obesity, Morbid, Diabetes Mellitus, Type 2, Gastric Bypass
Interventions
Not listed
Lead sponsor
CPL Associates
Other
Eligibility
18 Years to 95 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2015
U.S. locations
2
States / cities
Buffalo, New York • Williamsville, New York
Source: ClinicalTrials.gov public record
Updated Jan 27, 2016 · Synced Sep 10, 2026, 6:15 PM EDT
Completed Phase 1 Interventional

Effects of Endotoxin in Normal Human Volunteers

NCT00001303
View directory record Official record
Conditions
Healthy, Lung Disease, Sepsis, Septic Shock
Interventions
Reference Endotoxin, Inhaled Nitric Oxide
Drug
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
18 Years to 45 Years
Enrollment
198 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1992 – 2018
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 4, 2018 · Synced Sep 10, 2026, 6:15 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Safety of Intravenous Acetaminophen Vs Placebo for the Treatment of Endotoxin-Induced Fever in Healthy Adult Males

NCT00493311
View directory record Official record
Conditions
Fever
Interventions
IV Placebo, IV Acetaminophen, Reference Standard Endotoxin (RSE)
Drug · Biological
Lead sponsor
Mallinckrodt
Industry
Eligibility
18 Years to 75 Years · Male only
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Oct 18, 2016 · Synced Sep 10, 2026, 6:15 PM EDT