{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Sputum+collection",
    "query": {
      "intervention": "Sputum collection"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 33,
    "total_pages": 4,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Sputum+collection&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-05T13:03:56.686Z",
  "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": "NCT04247971",
      "title": "Pulmonary Inflammation and Microbiome Changes With Bariatric Surgery in Obese Asthma",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Asthma",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Blood draw",
          "type": "PROCEDURE"
        },
        {
          "name": "Sputum collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Pulmonary function test",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "21 Years to 60 Years"
      },
      "enrollment_count": 16,
      "start_date": "2021-04-30",
      "completion_date": "2023-02-09",
      "has_results": false,
      "last_update_posted_date": "2023-02-16",
      "last_synced_at": "2026-09-05T13:03:56.686Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04247971"
    },
    {
      "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": "2026-09-05T13:03:56.686Z",
      "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": "NCT00685035",
      "title": "Comparison of Airway Clearance Therapy in Cystic Fibrosis Using the Same VEST Therapy Device But With Different Settings",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Cystic Fibrosis"
      ],
      "interventions": [
        {
          "name": "HFCWC with higher pressure/variable-frequency settings",
          "type": "DEVICE"
        },
        {
          "name": "HFCWC with lower pressure/mid-frequency settings",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 17,
      "start_date": "2008-05",
      "completion_date": "2008-10",
      "has_results": true,
      "last_update_posted_date": "2016-07-25",
      "last_synced_at": "2026-09-05T13:03:56.686Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00685035"
    },
    {
      "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": "2026-09-05T13:03:56.686Z",
      "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": "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": "2026-09-05T13:03:56.686Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07342582"
    },
    {
      "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": "2026-09-05T13:03:56.686Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04709978"
    },
    {
      "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": "2026-09-05T13:03:56.686Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01815866"
    },
    {
      "nct_id": "NCT00103363",
      "title": "Sputum Cytology in Screening Heavy Smokers For Lung Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Lung Cancer"
      ],
      "interventions": [
        {
          "name": "cytology specimen collection procedure",
          "type": "OTHER"
        },
        {
          "name": "physiologic testing",
          "type": "OTHER"
        },
        {
          "name": "annual screening",
          "type": "PROCEDURE"
        },
        {
          "name": "study of high risk factors",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "25 Years and older"
      },
      "enrollment_count": 3270,
      "start_date": "1993-02",
      "completion_date": "1994-02",
      "has_results": false,
      "last_update_posted_date": "2014-05-07",
      "last_synced_at": "2026-09-05T13:03:56.686Z",
      "location_count": 1,
      "location_summary": "Denver, Colorado",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00103363"
    },
    {
      "nct_id": "NCT01475500",
      "title": "Nashville Early Diagnosis Lung Cancer Project",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Lung Cancer"
      ],
      "interventions": [
        {
          "name": "Sputum sample",
          "type": "PROCEDURE"
        },
        {
          "name": "Pulmonary function tests",
          "type": "PROCEDURE"
        },
        {
          "name": "Computerized tomography (CT) scan of the chest",
          "type": "RADIATION"
        },
        {
          "name": "Buccal epithelium collection",
          "type": "OTHER"
        },
        {
          "name": "Nasal brushings",
          "type": "PROCEDURE"
        },
        {
          "name": "Bronchoscopy",
          "type": "PROCEDURE"
        },
        {
          "name": "Bronchoalveolar lavage",
          "type": "PROCEDURE"
        },
        {
          "name": "Blood sample collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Urine sample",
          "type": "PROCEDURE"
        },
        {
          "name": "Questionnaire-data collection",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "RADIATION",
        "OTHER"
      ],
      "sponsor": "Vanderbilt-Ingram Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "55 Years to 80 Years"
      },
      "enrollment_count": 480,
      "start_date": "2011-04",
      "completion_date": "2026-11-30",
      "has_results": false,
      "last_update_posted_date": "2023-12-12",
      "last_synced_at": "2026-09-05T13:03:56.686Z",
      "location_count": 2,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01475500"
    },
    {
      "nct_id": "NCT00019201",
      "title": "Fluorescent Light Bronchoscopy Plus White Light Bronchoscopy for Early Detection of Lung Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Head and Neck Cancer",
        "Lung Cancer"
      ],
      "interventions": [
        {
          "name": "cytology specimen collection procedure",
          "type": "OTHER"
        },
        {
          "name": "immunohistochemistry staining method",
          "type": "OTHER"
        },
        {
          "name": "sputum cytology",
          "type": "OTHER"
        },
        {
          "name": "bronchoscopic and lung imaging studies",
          "type": "PROCEDURE"
        },
        {
          "name": "bronchoscopy",
          "type": "PROCEDURE"
        },
        {
          "name": "comparison of screening methods",
          "type": "PROCEDURE"
        },
        {
          "name": "endoscopic biopsy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": null,
      "start_date": "1996-08",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2015-04-29",
      "last_synced_at": "2026-09-05T13:03:56.686Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00019201"
    }
  ]
}