{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Lipopolysaccharide+%28LPS%29",
    "query": {
      "intervention": "Lipopolysaccharide (LPS)"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 45,
    "total_pages": 5,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Lipopolysaccharide+%28LPS%29&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-28T00:14:19.583Z",
  "attribution": "Data derived from public ClinicalTrials.gov records. The official record at https://clinicaltrials.gov/ remains the source of truth for current availability, contacts, and full study details.",
  "notes": [
    "This endpoint exposes only public summary fields — no participant contact emails, phone numbers, or scraped investigator contact details.",
    "For contact information and full protocol detail, follow each trial's `official_url` to the ClinicalTrials.gov record.",
    "This API is a navigational aid. It does not provide medical advice, eligibility determinations, or compensation guarantees."
  ],
  "trials": [
    {
      "nct_id": "NCT00753870",
      "title": "Range of Neutrophil Response to 20,000 EU of Clinical Center Reference Endotoxin in Otherwise Healthy Smokers",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy Smokers"
      ],
      "interventions": [
        {
          "name": "CCRE inhalation",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 2,
      "start_date": "2008-08",
      "completion_date": "2009-12",
      "has_results": false,
      "last_update_posted_date": "2011-04-18",
      "last_synced_at": "2026-09-28T00:14:19.583Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00753870"
    },
    {
      "nct_id": "NCT03142919",
      "title": "Lipopolysaccharide (LPS) Challenge in Depression",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Major Depressive Disorder"
      ],
      "interventions": [
        {
          "name": "Lipopolysaccharide",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Laureate Institute for Brain Research, Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 64,
      "start_date": "2017-09-07",
      "completion_date": "2020-12-01",
      "has_results": true,
      "last_update_posted_date": "2025-07-02",
      "last_synced_at": "2026-09-28T00:14:19.583Z",
      "location_count": 1,
      "location_summary": "Tulsa, Oklahoma",
      "locations": [
        {
          "city": "Tulsa",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03142919"
    },
    {
      "nct_id": "NCT01965600",
      "title": "A Study To Evaluate The Safety And Effects On The Body Of An Investigational Drug Using An Endotoxin-Induced Inflammatory Response Model",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "PF-06282999",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "LPS",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 23,
      "start_date": "2014-03",
      "completion_date": "2015-02",
      "has_results": true,
      "last_update_posted_date": "2016-08-02",
      "last_synced_at": "2026-09-28T00:14:19.583Z",
      "location_count": 2,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01965600"
    },
    {
      "nct_id": "NCT02124512",
      "title": "Blood Lipopolysaccharide (LPS) Rifaximin Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Obese",
        "Insulin Resistance",
        "Metabolic Syndrome"
      ],
      "interventions": [
        {
          "name": "Rifaximin SSD",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Philip Kern",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "35 Years to 65 Years"
      },
      "enrollment_count": 12,
      "start_date": "2015-03",
      "completion_date": "2019-05-31",
      "has_results": true,
      "last_update_posted_date": "2019-08-21",
      "last_synced_at": "2026-09-28T00:14:19.583Z",
      "location_count": 1,
      "location_summary": "Lexington, Kentucky",
      "locations": [
        {
          "city": "Lexington",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02124512"
    },
    {
      "nct_id": "NCT00485134",
      "title": "Shigella Flexneri 2a Invaplex 50 Vaccine Dose Finding and Assessment of Protection",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Shigellosis"
      ],
      "interventions": [
        {
          "name": "240 µg Shigella flexneri 2a Invaplex 50 vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "480 µg Shigella flexneri 2a Invaplex 50 vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "690 Shigella flexneri 2a Invaplex 50 vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Shigella challenge strain",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "U.S. Army Medical Research and Development Command",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 113,
      "start_date": "2007-05",
      "completion_date": "2010-09",
      "has_results": true,
      "last_update_posted_date": "2017-09-11",
      "last_synced_at": "2026-09-28T00:14:19.583Z",
      "location_count": 2,
      "location_summary": "Baltimore, Maryland • Silver Spring, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Silver Spring",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00485134"
    },
    {
      "nct_id": "NCT03859050",
      "title": "Alveolar Macrophage Programming Following Endotoxin Exposure",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "ARDS, Human"
      ],
      "interventions": [
        {
          "name": "bronchoscopy with intrabronchial administration of lipopolysaccharide",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "National Jewish Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 25,
      "start_date": "2019-03-18",
      "completion_date": "2032-07",
      "has_results": false,
      "last_update_posted_date": "2025-05-06",
      "last_synced_at": "2026-09-28T00:14:19.583Z",
      "location_count": 1,
      "location_summary": "Denver, Colorado",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03859050"
    },
    {
      "nct_id": "NCT00001042",
      "title": "A Phase I, Randomized, Double-Blind, Placebo-Controlled, Clinical Trial to Compare the Safety and Immunogenicity of Recombinant Envelope Protein rgp120/HIV-1SF2 (BIOCINE) Combined With Seven Adjuvants in Healthy HIV-1 Uninfected Individuals",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "Aluminum hydroxide",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Lipid A, Monophosphoryl",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Lipid A, Liposome-encapsulated monophosphoryl",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Syntex adjuvant formulation",
          "type": "BIOLOGICAL"
        },
        {
          "name": "MF59",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Threonyl Muramyl Dipeptide",
          "type": "BIOLOGICAL"
        },
        {
          "name": "rgp120/HIV-1 SF-2",
          "type": "BIOLOGICAL"
        },
        {
          "name": "MTP-PE/MF59",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 112,
      "start_date": null,
      "completion_date": "1996-03",
      "has_results": false,
      "last_update_posted_date": "2021-11-04",
      "last_synced_at": "2026-09-28T00:14:19.583Z",
      "location_count": 3,
      "location_summary": "St Louis, Missouri • Rochester, New York • Seattle, Washington",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Rochester",
          "state": "New York"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00001042"
    },
    {
      "nct_id": "NCT02521779",
      "title": "The Role of Dietary Fat on Postprandial Endotoxemia in Healthy Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Endotoxemia"
      ],
      "interventions": [
        {
          "name": "Low-fat Treatment Meal",
          "type": "OTHER"
        },
        {
          "name": "Saturated-fat Treatment Meal",
          "type": "OTHER"
        },
        {
          "name": "N-3 fat Treatment Meal",
          "type": "OTHER"
        },
        {
          "name": "N-6 fat Treatment Meal",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Iowa State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 20,
      "start_date": "2014-04",
      "completion_date": "2015-04",
      "has_results": false,
      "last_update_posted_date": "2015-08-13",
      "last_synced_at": "2026-09-28T00:14:19.583Z",
      "location_count": 1,
      "location_summary": "Ames, Iowa",
      "locations": [
        {
          "city": "Ames",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02521779"
    },
    {
      "nct_id": "NCT04751331",
      "title": "Neural Response to Inflammatory Challenge in Major Depressive Disorder",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Major Depressive Disorder"
      ],
      "interventions": [
        {
          "name": "LPS",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Saline",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Laureate Institute for Brain Research, Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 180,
      "start_date": "2021-05-15",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2026-04-21",
      "last_synced_at": "2026-09-28T00:14:19.583Z",
      "location_count": 1,
      "location_summary": "Tulsa, Oklahoma",
      "locations": [
        {
          "city": "Tulsa",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04751331"
    },
    {
      "nct_id": "NCT04263454",
      "title": "The Innate Central Nervous System Immune Response to an Experimental Immune Challenge in People With Fibromyalgia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Fibromyalgia"
      ],
      "interventions": [
        {
          "name": "Endotoxin, Escherichia Coli",
          "type": "DRUG"
        },
        {
          "name": "Magnetic Resonance Spectroscopy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 55 Years · Female only"
      },
      "enrollment_count": 36,
      "start_date": "2020-03-11",
      "completion_date": "2021-12-22",
      "has_results": true,
      "last_update_posted_date": "2023-04-14",
      "last_synced_at": "2026-09-28T00:14:19.583Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04263454"
    }
  ]
}