{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Nasal+Epithelial+Lining+Fluid",
    "query": {
      "intervention": "Nasal Epithelial Lining Fluid"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 4,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-27T08:46:04.337Z",
  "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": "NCT00898313",
      "title": "Molecular Predictors of Cancer in Patients at High Risk of Lung Cancer",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Lung Cancer"
      ],
      "interventions": [
        {
          "name": "comparative genomic hybridization",
          "type": "GENETIC"
        },
        {
          "name": "gene expression microarray analysis",
          "type": "GENETIC"
        },
        {
          "name": "proteomic profiling analysis",
          "type": "GENETIC"
        },
        {
          "name": "biologic sample preservation procedure",
          "type": "OTHER"
        },
        {
          "name": "nasal brushing",
          "type": "PROCEDURE"
        },
        {
          "name": "Blood draw",
          "type": "PROCEDURE"
        },
        {
          "name": "Urine collection",
          "type": "PROCEDURE"
        },
        {
          "name": "sputum sample",
          "type": "PROCEDURE"
        },
        {
          "name": "fluorescence bronchoscopy with airway biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "fine needle aspiration of the lung",
          "type": "PROCEDURE"
        },
        {
          "name": "thoracentesis",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "GENETIC",
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Vanderbilt-Ingram Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 4000,
      "start_date": "2003-12",
      "completion_date": "2027-01-31",
      "has_results": false,
      "last_update_posted_date": "2026-04-27",
      "last_synced_at": "2026-09-27T08:46:04.337Z",
      "location_count": 2,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00898313"
    },
    {
      "nct_id": "NCT04944134",
      "title": "COVID-19 Antibody Levels After Vaccines",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Vaccine Preventable Disease"
      ],
      "interventions": [
        {
          "name": "COVID-19 Vaccination",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 71,
      "start_date": "2021-06-09",
      "completion_date": "2022-04-01",
      "has_results": false,
      "last_update_posted_date": "2022-08-01",
      "last_synced_at": "2026-09-27T08:46:04.337Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04944134"
    },
    {
      "nct_id": "NCT06230159",
      "title": "Evaluating the Impact of Synthetic Cooling Agents in Combustible Cigarettes on Smoking Perceptions and Use",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cigarette Smoking-Related Carcinoma"
      ],
      "interventions": [
        {
          "name": "Non-menthol Cigarette Smoking",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Menthol Cigarette Smoking",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Synthetic Cooling Agent Cigarette Smoking",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Usual Brand Cigarette Smoking",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Spirometry",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Nasal Epithelial Lining Fluid",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DIAGNOSTIC_TEST",
        "OTHER"
      ],
      "sponsor": "Ohio State University Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "29 Years",
        "sex": "ALL",
        "summary": "21 Years to 29 Years"
      },
      "enrollment_count": 34,
      "start_date": "2023-11-28",
      "completion_date": "2024-06-12",
      "has_results": true,
      "last_update_posted_date": "2026-06-03",
      "last_synced_at": "2026-09-27T08:46:04.337Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06230159"
    },
    {
      "nct_id": "NCT00224185",
      "title": "Evaluation of Lungs of Normal Individuals by Lung Lavage, Brushing and Bronchial Wall Biopsy",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Smoking",
        "Lung Diseases"
      ],
      "interventions": [
        {
          "name": "Bronchopulmonary Lung Lavage",
          "type": "PROCEDURE"
        },
        {
          "name": "Bronchial Brushing",
          "type": "PROCEDURE"
        },
        {
          "name": "Bronchial Wall Biopsy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Weill Medical College of Cornell University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 196,
      "start_date": "2004-01",
      "completion_date": "2012-09",
      "has_results": false,
      "last_update_posted_date": "2016-05-02",
      "last_synced_at": "2026-09-27T08:46:04.337Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00224185"
    }
  ]
}