{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Ventilatory+chemosensitivity",
    "query": {
      "intervention": "Ventilatory chemosensitivity"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 6,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-13T20:17:23.790Z",
  "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": "NCT01241513",
      "title": "Induced Changes in Ventilatory Responsiveness and Altitude Exposure",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Effects of High Altitude",
        "Hypoxia",
        "Inadequate or Impaired Breathing Pattern or Ventilation",
        "Abnormal Blood Oxygen Pressure"
      ],
      "interventions": [
        {
          "name": "NAC",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "United States Army Research Institute of Environmental Medicine",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "39 Years",
        "sex": "ALL",
        "summary": "18 Years to 39 Years"
      },
      "enrollment_count": 21,
      "start_date": "2010-11-01",
      "completion_date": "2013-02-28",
      "has_results": true,
      "last_update_posted_date": "2020-04-30",
      "last_synced_at": "2026-09-13T20:17:23.790Z",
      "location_count": 1,
      "location_summary": "Natick, Massachusetts",
      "locations": [
        {
          "city": "Natick",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01241513"
    },
    {
      "nct_id": "NCT04047550",
      "title": "Respiratory Control and Narcotic Effects",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Ventilatory Depression",
        "Opioid Intoxication",
        "Opioid Toxicity"
      ],
      "interventions": [
        {
          "name": "Ventilatory chemosensitivity",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 10,
      "start_date": "2018-03-08",
      "completion_date": "2019-02-09",
      "has_results": false,
      "last_update_posted_date": "2020-08-27",
      "last_synced_at": "2026-09-13T20:17:23.790Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04047550"
    },
    {
      "nct_id": "NCT04134754",
      "title": "Carbon Dioxide (CO2) Chemosensitivity and SUDEP",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Epilepsy",
        "SUDEP"
      ],
      "interventions": [
        {
          "name": "6% Carbon dioxide/50% oxygen/balance nitrogen mixture",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Iowa",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 335,
      "start_date": "2019-12-12",
      "completion_date": "2029-10-01",
      "has_results": false,
      "last_update_posted_date": "2026-06-23",
      "last_synced_at": "2026-09-13T20:17:23.790Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04134754"
    },
    {
      "nct_id": "NCT05589753",
      "title": "Sleep Disordered Breathing With Opioid Use",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Sleep Apnea",
        "Opioid Use",
        "Sleep Disordered Breathing"
      ],
      "interventions": [
        {
          "name": "Hyperoxia",
          "type": "OTHER"
        },
        {
          "name": "Acetazolamide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "18 Years to 89 Years"
      },
      "enrollment_count": 150,
      "start_date": "2019-05-02",
      "completion_date": "2027-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-07-01",
      "last_synced_at": "2026-09-13T20:17:23.790Z",
      "location_count": 1,
      "location_summary": "Detroit, Michigan",
      "locations": [
        {
          "city": "Detroit",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05589753"
    },
    {
      "nct_id": "NCT02421341",
      "title": "Mechanisms of Altered Ventilatory Control in Heart Failure",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "Fentanyl",
          "type": "DRUG"
        },
        {
          "name": "Catheters",
          "type": "PROCEDURE"
        },
        {
          "name": "Exercise",
          "type": "OTHER"
        },
        {
          "name": "DEXA",
          "type": "RADIATION"
        },
        {
          "name": "Pulmonary Function Tests",
          "type": "OTHER"
        },
        {
          "name": "Blood Draw",
          "type": "OTHER"
        },
        {
          "name": "Chemosensitivity Test",
          "type": "OTHER"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE",
        "OTHER",
        "RADIATION"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 28,
      "start_date": "2012-07",
      "completion_date": "2019-06-21",
      "has_results": false,
      "last_update_posted_date": "2021-12-16",
      "last_synced_at": "2026-09-13T20:17:23.790Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02421341"
    },
    {
      "nct_id": "NCT02703220",
      "title": "Sleep Apnea in Elderly",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Sleep Apnea",
        "Elderly Adults"
      ],
      "interventions": [
        {
          "name": "Hyperoxia/oxygen",
          "type": "OTHER"
        },
        {
          "name": "Acetazolamide",
          "type": "DRUG"
        },
        {
          "name": "Finasteride",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "60 Years to 89 Years"
      },
      "enrollment_count": 100,
      "start_date": "2015-07-03",
      "completion_date": "2027-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-08-21",
      "last_synced_at": "2026-09-13T20:17:23.790Z",
      "location_count": 1,
      "location_summary": "Detroit, Michigan",
      "locations": [
        {
          "city": "Detroit",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02703220"
    }
  ]
}