{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Sputum+collection&page=2",
    "query": {
      "intervention": "Sputum collection",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Sputum+collection&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-25T15:23:04.055Z",
  "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": "NCT04709978",
      "title": "Community Acquired Pneumonia in Older Adults",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pneumonia",
        "Aspiration Pneumonia"
      ],
      "interventions": [
        {
          "name": "Videofluoroscopic Swallowing Study",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Nuclear medicine pulmonary aspiration study",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "TOR-BSST and 3 oz Water Swallow",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Sputum Culture",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "MeMed BV®",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Lung Ultrasound",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Respiratory Function Tests",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 75,
      "start_date": "2021-02-24",
      "completion_date": "2023-07-02",
      "has_results": false,
      "last_update_posted_date": "2023-11-15",
      "last_synced_at": "2026-09-25T15:23:04.055Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04709978"
    },
    {
      "nct_id": "NCT02589444",
      "title": "Vitamin D and Microbiota in Cystic Fibrosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vitamin D Deficiency",
        "Cystic Fibrosis"
      ],
      "interventions": [
        {
          "name": "High-Dose Vitamin D3",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Stool Sample",
          "type": "OTHER"
        },
        {
          "name": "Sputum Sample",
          "type": "OTHER"
        },
        {
          "name": "Sham Comparator",
          "type": "OTHER"
        },
        {
          "name": "Blood draw",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 41,
      "start_date": "2015-12",
      "completion_date": "2017-04",
      "has_results": false,
      "last_update_posted_date": "2017-06-14",
      "last_synced_at": "2026-09-25T15:23:04.055Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02589444"
    },
    {
      "nct_id": "NCT00471250",
      "title": "Collection of Lung Fluid and Tissue Samples for Research",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Leukocyte Disorders",
        "Respiratory Tract Diseases",
        "Bronchoscopy"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Heart, Lung, and Blood Institute (NHLBI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "5 Years to 100 Years"
      },
      "enrollment_count": 550,
      "start_date": "2007-08-17",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2026-09-18",
      "last_synced_at": "2026-09-25T15:23:04.055Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00471250"
    },
    {
      "nct_id": "NCT00002667",
      "title": "Early Detection of Second Lung Cancer in Patients With Stage I Non-small Cell Lung Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Lung Cancer"
      ],
      "interventions": [
        {
          "name": "cytology specimen collection procedure",
          "type": "OTHER"
        },
        {
          "name": "immunoenzyme technique",
          "type": "OTHER"
        },
        {
          "name": "study of high risk factors",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Eastern Cooperative Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "18 Years to 120 Years"
      },
      "enrollment_count": 1100,
      "start_date": "1995-10-10",
      "completion_date": "2004-10-01",
      "has_results": false,
      "last_update_posted_date": "2023-06-22",
      "last_synced_at": "2026-09-25T15:23:04.055Z",
      "location_count": 5,
      "location_summary": "Tampa, Florida • Des Moines, Iowa • Hackensack, New Jersey + 2 more",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Des Moines",
          "state": "Iowa"
        },
        {
          "city": "Hackensack",
          "state": "New Jersey"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00002667"
    },
    {
      "nct_id": "NCT01815866",
      "title": "Cough-Generated Aerosols of NTM in Cystic Fibrosis",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cystic Fibrosis"
      ],
      "interventions": [
        {
          "name": "CF with culturable NTM",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "8 Years to 75 Years"
      },
      "enrollment_count": 5,
      "start_date": "2013-04",
      "completion_date": "2015-07",
      "has_results": false,
      "last_update_posted_date": "2015-10-14",
      "last_synced_at": "2026-09-25T15:23:04.055Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01815866"
    },
    {
      "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": "2026-09-25T15:23:04.055Z",
      "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": "NCT03616158",
      "title": "Investigate the Development and Progression of Lung Disease in Rheumatoid Arthritis Over Time",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Rheumatoid Arthritis",
        "Lung Diseases"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Jewish Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 340,
      "start_date": "2018-05-10",
      "completion_date": "2024-12-01",
      "has_results": false,
      "last_update_posted_date": "2019-06-06",
      "last_synced_at": "2026-09-25T15:23:04.055Z",
      "location_count": 1,
      "location_summary": "Denver, Colorado",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03616158"
    },
    {
      "nct_id": "NCT00001888",
      "title": "Sample Collections From the Airways of Asthmatic Patients",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Asthma"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Heart, Lung, and Blood Institute (NHLBI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 574,
      "start_date": "1999-06-02",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2026-09-08",
      "last_synced_at": "2026-09-25T15:23:04.055Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00001888"
    },
    {
      "nct_id": "NCT07342582",
      "title": "The Rhinovirus Hospitalization and Investigation of Nasal-airway Omics (RHINO) Study",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Rhinovirus"
      ],
      "interventions": [
        {
          "name": "Nasal Swab Healthy Surveillance",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Nasal Swab Sick Samples",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Nasal Swab Hospitalized Cohort",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Sick Follow-up Survey",
          "type": "OTHER"
        },
        {
          "name": "Older Cohort Control Group",
          "type": "OTHER"
        },
        {
          "name": "Procedural Comfort or Care",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "OTHER"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "Up to 17 Years"
      },
      "enrollment_count": 670,
      "start_date": "2026-08-04",
      "completion_date": "2030-05",
      "has_results": false,
      "last_update_posted_date": "2026-08-10",
      "last_synced_at": "2026-09-25T15:23:04.055Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07342582"
    },
    {
      "nct_id": "NCT03977415",
      "title": "Interstitial Lung Disease in Early Rheumatoid Arthritis",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Rheumatoid Arthritis",
        "Interstitial Lung Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Jewish Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 76,
      "start_date": "2018-03-27",
      "completion_date": "2021-08-01",
      "has_results": false,
      "last_update_posted_date": "2019-06-06",
      "last_synced_at": "2026-09-25T15:23:04.055Z",
      "location_count": 1,
      "location_summary": "Denver, Colorado",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03977415"
    }
  ]
}