{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Carbon+Monoxide+Measurement",
    "query": {
      "intervention": "Carbon Monoxide Measurement"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 148,
    "total_pages": 15,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Carbon+Monoxide+Measurement&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-13T20:35:09.584Z",
  "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": "NCT03799874",
      "title": "Safety and Efficacy Study of Inhaled Carbon Monoxide to Treat Acute Respiratory Distress Syndrome (ARDS)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Acute Respiratory Distress Syndrome"
      ],
      "interventions": [
        {
          "name": "Inhaled Carbon Monoxide at 200 ppm",
          "type": "DRUG"
        },
        {
          "name": "Inhaled Medical air",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 4,
      "start_date": "2019-09-30",
      "completion_date": "2021-04-13",
      "has_results": true,
      "last_update_posted_date": "2026-06-16",
      "last_synced_at": "2026-09-13T20:35:09.584Z",
      "location_count": 7,
      "location_summary": "Boston, Massachusetts • St Louis, Missouri • Brooklyn, New York + 2 more",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Brooklyn",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03799874"
    },
    {
      "nct_id": "NCT04132232",
      "title": "Smoking Reduction In Gravid Substance Use Disorders",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Smoking in Mother Complicating Pregnancy",
        "Tobacco Use Disorder",
        "Tobacco Smoking"
      ],
      "interventions": [
        {
          "name": "knowledge of expired maternal carbon monoxide and fetal carboxyhemoglobin levels",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "16 Years to 45 Years · Female only"
      },
      "enrollment_count": 74,
      "start_date": "2021-02-15",
      "completion_date": "2023-12-01",
      "has_results": true,
      "last_update_posted_date": "2024-08-05",
      "last_synced_at": "2026-09-13T20:35:09.584Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04132232"
    },
    {
      "nct_id": "NCT00531856",
      "title": "Safety and Tolerability Study of Inhaled Carbon Monoxide in Kidney Transplant Patients",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Kidney Transplantation"
      ],
      "interventions": [
        {
          "name": "Inhaled Carbon Monoxide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mallinckrodt",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2007-08",
      "completion_date": "2011-08",
      "has_results": false,
      "last_update_posted_date": "2016-10-19",
      "last_synced_at": "2026-09-13T20:35:09.584Z",
      "location_count": 3,
      "location_summary": "San Francisco, California • Chicago, Illinois • Boston, Massachusetts",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00531856"
    },
    {
      "nct_id": "NCT03840694",
      "title": "Nicotine Withdrawal and Reward Processing: Connecting Neurobiology to Real-world Behavior",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cigarette Smoking",
        "Nicotine Withdrawal"
      ],
      "interventions": [
        {
          "name": "Smoking Abstinence",
          "type": "OTHER"
        },
        {
          "name": "Ad Lib Smoking",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "21 Years to 55 Years"
      },
      "enrollment_count": 21,
      "start_date": "2019-09-10",
      "completion_date": "2021-05-13",
      "has_results": false,
      "last_update_posted_date": "2021-05-20",
      "last_synced_at": "2026-09-13T20:35:09.584Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03840694"
    },
    {
      "nct_id": "NCT06554873",
      "title": "Adaptive Use of Nicotine Substitution to Maintain Smoking Reduction/Abstinence in Nicotine Responders",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Smoking Cessation",
        "Harm Reduction"
      ],
      "interventions": [
        {
          "name": "Nicoderm",
          "type": "DRUG"
        },
        {
          "name": "Nicorette 4Mg Chewing Gum",
          "type": "DRUG"
        },
        {
          "name": "Nicorette Lozenge Product",
          "type": "DRUG"
        },
        {
          "name": "NJOY e-cigarette",
          "type": "OTHER"
        },
        {
          "name": "on!",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Rose Research Center, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "22 Years to 65 Years"
      },
      "enrollment_count": 150,
      "start_date": "2024-08-29",
      "completion_date": "2025-12-09",
      "has_results": false,
      "last_update_posted_date": "2026-02-06",
      "last_synced_at": "2026-09-13T20:35:09.584Z",
      "location_count": 2,
      "location_summary": "Charlotte, North Carolina • Raleigh, North Carolina",
      "locations": [
        {
          "city": "Charlotte",
          "state": "North Carolina"
        },
        {
          "city": "Raleigh",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06554873"
    },
    {
      "nct_id": "NCT07124702",
      "title": "Cessation of Dual Use of Cigarettes and E-cigarettes During Pregnancy",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Dual Use of Cigarettes and E-cigarettes",
        "Gestational Weight Gain",
        "Birth-weight-for-gestational-age z Score"
      ],
      "interventions": [
        {
          "name": "Simultaneous cessation intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Stepwise cessation intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Behavior counseling only",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "State University of New York at Buffalo",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 45,
      "start_date": "2025-10-01",
      "completion_date": "2027-03-31",
      "has_results": false,
      "last_update_posted_date": "2025-11-13",
      "last_synced_at": "2026-09-13T20:35:09.584Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07124702"
    },
    {
      "nct_id": "NCT01412866",
      "title": "Electronic Decision Support Systems for Smokers With Severe Mental Illness",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Severe Mental Illness",
        "Nicotine Dependence",
        "Schizophrenia",
        "Tobacco Use Disorder"
      ],
      "interventions": [
        {
          "name": "EDSS with CO feedback and health checklist",
          "type": "BEHAVIORAL"
        },
        {
          "name": "EDSS with health checklist feedback alon",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Dartmouth-Hitchcock Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 124,
      "start_date": "2011-05",
      "completion_date": "2012-05",
      "has_results": true,
      "last_update_posted_date": "2018-12-12",
      "last_synced_at": "2026-09-13T20:35:09.584Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01412866"
    },
    {
      "nct_id": "NCT07612085",
      "title": "A Wearable Biosensor Patch for Non-Invasive Monitoring for Patients Undergoing Abdominal or Chest Surgery",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hematopoietic and Lymphatic System Neoplasm",
        "Malignant Solid Neoplasm"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Electronic Health Record Review",
          "type": "OTHER"
        },
        {
          "name": "Interview",
          "type": "OTHER"
        },
        {
          "name": "Survey Administration",
          "type": "OTHER"
        },
        {
          "name": "Wearable Biosensor Patch",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER",
        "DEVICE"
      ],
      "sponsor": "City of Hope Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2026-09-02",
      "completion_date": "2027-04-15",
      "has_results": false,
      "last_update_posted_date": "2026-05-28",
      "last_synced_at": "2026-09-13T20:35:09.584Z",
      "location_count": 1,
      "location_summary": "Duarte, California",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07612085"
    },
    {
      "nct_id": "NCT03835260",
      "title": "Pivot Breath Sensor Human Factors and Usability Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking Cessation",
        "Smoking, Tobacco"
      ],
      "interventions": [
        {
          "name": "Pivot Breath Sensor",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Jennifer Marler, MD",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 15,
      "start_date": "2019-02-04",
      "completion_date": "2019-04-18",
      "has_results": true,
      "last_update_posted_date": "2022-11-08",
      "last_synced_at": "2026-09-13T20:35:09.584Z",
      "location_count": 1,
      "location_summary": "Redwood City, California",
      "locations": [
        {
          "city": "Redwood City",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03835260"
    },
    {
      "nct_id": "NCT06574048",
      "title": "Carbon Monoxide Hyperbaric Oxygen With Steroid Therapy",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Carbon Monoxide Poisoning",
        "Carbon Monoxide Intoxication",
        "Carbon Monoxide Encephalopathy",
        "Carbon Monoxide-induced Parkinsonism"
      ],
      "interventions": [
        {
          "name": "saline placebo",
          "type": "DRUG"
        },
        {
          "name": "Dexamethasone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Nebraska",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "19 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2026-10",
      "completion_date": "2028-01",
      "has_results": false,
      "last_update_posted_date": "2026-08-14",
      "last_synced_at": "2026-09-13T20:35:09.584Z",
      "location_count": 1,
      "location_summary": "Omaha, Nebraska",
      "locations": [
        {
          "city": "Omaha",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06574048"
    }
  ]
}