{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=End-tidal+Carbon+Monoxide",
    "query": {
      "intervention": "End-tidal Carbon Monoxide"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 5,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-25T09:20:21.274Z",
  "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": "NCT03288233",
      "title": "Exhaled Carbon Monoxide and Red Blood Cell Turnover",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Diabetes Mellitus",
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Breath carbon monoxide measurement",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of Cincinnati",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 30,
      "start_date": "2015-04",
      "completion_date": "2018-08",
      "has_results": false,
      "last_update_posted_date": "2017-09-20",
      "last_synced_at": "2026-09-25T09:20:21.274Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03288233"
    },
    {
      "nct_id": "NCT06159348",
      "title": "Pilot Feasibility Study of a Novel Non-invasive Device for Diagnosis of Anemia",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Anemia"
      ],
      "interventions": [
        {
          "name": "Anemia Diagnostic Assistant (ADA)",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Serum hemoglobin",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of Utah",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "17 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "17 Years to 70 Years"
      },
      "enrollment_count": 25,
      "start_date": "2023-11-30",
      "completion_date": "2023-12-12",
      "has_results": false,
      "last_update_posted_date": "2024-07-24",
      "last_synced_at": "2026-09-25T09:20:21.274Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06159348"
    },
    {
      "nct_id": "NCT02691156",
      "title": "Bilirubin Binding Capacity to Assess Bilirubin Load in Preterm Infants",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Bilirubin-induced Neurologic Dysfunction",
        "Hyperbilirubinemia",
        "Kernicterus",
        "Infant, Premature",
        "Infant, Low Birth Weight"
      ],
      "interventions": [
        {
          "name": "Bilirubin Binding Capacity",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "End-tidal Carbon Monoxide",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Carboxyhemoglobin",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "24 Weeks",
        "maximum_age": "34 Weeks",
        "sex": "ALL",
        "summary": "24 Weeks to 34 Weeks"
      },
      "enrollment_count": 143,
      "start_date": "2016-02-01",
      "completion_date": "2018-08-31",
      "has_results": false,
      "last_update_posted_date": "2021-10-01",
      "last_synced_at": "2026-09-25T09:20:21.274Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02691156"
    },
    {
      "nct_id": "NCT01848691",
      "title": "Carbon Monoxide Monitor for the Measurement of End-Tidal Carbon Monoxide Levels in Children With or Without Hemolysis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sickle Cell Anemia"
      ],
      "interventions": [
        {
          "name": "Measurement of carbon monoxide level in exhaled breath",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Ashutosh Lal",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "14 Years",
        "sex": "ALL",
        "summary": "5 Years to 14 Years"
      },
      "enrollment_count": 40,
      "start_date": "2012-10",
      "completion_date": "2014-03",
      "has_results": false,
      "last_update_posted_date": "2014-06-02",
      "last_synced_at": "2026-09-25T09:20:21.274Z",
      "location_count": 1,
      "location_summary": "Oakland, California",
      "locations": [
        {
          "city": "Oakland",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01848691"
    },
    {
      "nct_id": "NCT01859156",
      "title": "End-Tidal Carbon Dioxide as a Measure of Carboxyhemoglobin in Carbon Monoxide Poisoning",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Carbon Monoxide Exposure"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Hennepin Healthcare Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 151,
      "start_date": "2006-10",
      "completion_date": "2014-07",
      "has_results": false,
      "last_update_posted_date": "2014-10-29",
      "last_synced_at": "2026-09-25T09:20:21.274Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01859156"
    }
  ]
}