{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Carbon+Monoxide&page=2",
    "query": {
      "intervention": "Carbon Monoxide",
      "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=Carbon+Monoxide&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-26T13:13:26.500Z",
  "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": "NCT06544772",
      "title": "Study of a Smartphone-Based Switch Program",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Pivot cigarette smoking cessation program",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Pivot Health Technologies Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "21 Years to 65 Years"
      },
      "enrollment_count": 105,
      "start_date": "2024-08-16",
      "completion_date": "2025-06-09",
      "has_results": false,
      "last_update_posted_date": "2025-10-02",
      "last_synced_at": "2026-09-26T13:13:26.500Z",
      "location_count": 1,
      "location_summary": "San Carlos, California",
      "locations": [
        {
          "city": "San Carlos",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06544772"
    },
    {
      "nct_id": "NCT00960375",
      "title": "Smoking Cessation for Veterans With Severe and Persistent Mental Illness",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Schizoaffective Disorder",
        "Schizophrenia",
        "Affective Psychosis, Bipolar",
        "Affective Disorders, Psychotic"
      ],
      "interventions": [
        {
          "name": "BTSCS",
          "type": "BEHAVIORAL"
        },
        {
          "name": "StSST",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "US Department of Veterans Affairs",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 179,
      "start_date": "2010-04",
      "completion_date": "2014-12",
      "has_results": true,
      "last_update_posted_date": "2015-08-18",
      "last_synced_at": "2026-09-26T13:13:26.500Z",
      "location_count": 2,
      "location_summary": "Washington D.C., District of Columbia • Baltimore, Maryland",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00960375"
    },
    {
      "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": "2026-09-26T13:13:26.500Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04132232"
    },
    {
      "nct_id": "NCT00894166",
      "title": "Evaluation of a Tailored Smoking Cessation Treatment Algorithm Based on Initial Treatment Response and Genotype",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Nicotine Patches",
          "type": "DRUG"
        },
        {
          "name": "Nicotine patches, then bupropion & nicotine patches (Pre-Quit)",
          "type": "DRUG"
        },
        {
          "name": "Nicotine patches, then varenicline (Pre-Quit)",
          "type": "DRUG"
        },
        {
          "name": "Nicotine patches, then nicotine patches (Pre-Quit)",
          "type": "DRUG"
        },
        {
          "name": "Nicotine patches, then bupropion & nicotine patches (Post-Quit)",
          "type": "DRUG"
        },
        {
          "name": "Nicotine patches, then varenicline (Post-Quit)",
          "type": "DRUG"
        },
        {
          "name": "Nicotine patches, then nicotine patches (Post-Quit)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 606,
      "start_date": "2009-05",
      "completion_date": "2011-10",
      "has_results": true,
      "last_update_posted_date": "2013-09-23",
      "last_synced_at": "2026-09-26T13:13:26.500Z",
      "location_count": 1,
      "location_summary": "Charlotte, Durham, Raleigh, Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Charlotte, Durham, Raleigh, Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00894166"
    },
    {
      "nct_id": "NCT07005180",
      "title": "Low-dose Carbon Monoxide (HBI-002) Trial to Evaluate Safety, Tolerability, PK, and Biomarkers in Parkinson's Disease",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Parkinson Disease"
      ],
      "interventions": [
        {
          "name": "HBI-002",
          "type": "DRUG"
        },
        {
          "name": "Vehicle (placebo)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Hillhurst Biopharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "40 Years to 80 Years"
      },
      "enrollment_count": 36,
      "start_date": "2026-06-30",
      "completion_date": "2027-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-09-21",
      "last_synced_at": "2026-09-26T13:13:26.500Z",
      "location_count": 8,
      "location_summary": "Fountain Valley, California • Gainesville, Florida • Boston, Massachusetts + 5 more",
      "locations": [
        {
          "city": "Fountain Valley",
          "state": "California"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "East Lansing",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07005180"
    },
    {
      "nct_id": "NCT01059981",
      "title": "Analysis of Emergency Department (ED) Volumes During Natural Disasters",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Dialysis",
        "Trauma Related Injuries",
        "Carbon Monoxide Poisoning"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "The University of Texas Health Science Center, Houston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 1000,
      "start_date": "2009-08",
      "completion_date": "2010-06",
      "has_results": false,
      "last_update_posted_date": "2010-07-08",
      "last_synced_at": "2026-09-26T13:13:26.500Z",
      "location_count": 2,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01059981"
    },
    {
      "nct_id": "NCT01784016",
      "title": "Concurrent PET D2/D3 Receptor Imaging and fMRI Smoking Cue Reactivity in Smokers",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Nicotine Dependence",
        "Smoking Cue Reactivity",
        "Relapse to Smoking"
      ],
      "interventions": [
        {
          "name": "[11C]-PHNO",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "Mclean Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 0,
      "start_date": "2014-01",
      "completion_date": "2014-05",
      "has_results": false,
      "last_update_posted_date": "2014-05-23",
      "last_synced_at": "2026-09-26T13:13:26.500Z",
      "location_count": 3,
      "location_summary": "Belmont, Massachusetts • Boston, Massachusetts • Charlestown, Massachusetts",
      "locations": [
        {
          "city": "Belmont",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Charlestown",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01784016"
    },
    {
      "nct_id": "NCT05304390",
      "title": "A Tailored Screening and Smoking Cessation Program for the LGBTQ Community of Seattle",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Lung Carcinoma"
      ],
      "interventions": [
        {
          "name": "Patient Navigation",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Smoking Cessation Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Carbon Monoxide Measurement",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Fred Hutchinson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 53,
      "start_date": "2022-06-06",
      "completion_date": "2024-10-28",
      "has_results": false,
      "last_update_posted_date": "2024-12-02",
      "last_synced_at": "2026-09-26T13:13:26.500Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05304390"
    },
    {
      "nct_id": "NCT04870125",
      "title": "Safety Study of Inhaled Carbon Monoxide to Treat Pneumonia and Sepsis-Induced Acute Respiratory Distress Syndrome (ARDS)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Acute Respiratory Distress Syndrome",
        "Sepsis"
      ],
      "interventions": [
        {
          "name": "Inhaled Carbon Monoxide at CFK equation-determined personalized dose (200-500 ppm to achieve a COHb level of 6-8%)",
          "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": 5,
      "start_date": "2023-12-06",
      "completion_date": "2024-10-25",
      "has_results": true,
      "last_update_posted_date": "2026-05-26",
      "last_synced_at": "2026-09-26T13:13:26.500Z",
      "location_count": 6,
      "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/NCT04870125"
    },
    {
      "nct_id": "NCT03190161",
      "title": "Music to Reduce Use of Smoking in Patients With Schizophrenia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Schizophrenia",
        "Nicotine Dependence",
        "Smoking, Tobacco"
      ],
      "interventions": [
        {
          "name": "Music session",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "NYU Langone Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2,
      "start_date": "2017-03-09",
      "completion_date": "2018-09-17",
      "has_results": false,
      "last_update_posted_date": "2019-08-15",
      "last_synced_at": "2026-09-26T13:13:26.500Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03190161"
    }
  ]
}