{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Carbon+Monoxide+%28CO%29+Test",
    "query": {
      "intervention": "Carbon Monoxide (CO) Test"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 21,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Carbon+Monoxide+%28CO%29+Test&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-28T03:00:06.115Z",
  "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": "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": "2026-09-28T03:00:06.115Z",
      "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": "NCT06249984",
      "title": "Effects of Tobacco Cut and Nicotine Form on the Abuse Liability of Moist Snuff",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco-Related Carcinoma"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Carbon Monoxide Measurement",
          "type": "PROCEDURE"
        },
        {
          "name": "Smokeless Tobacco Use",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Survey Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Ohio State University Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 80,
      "start_date": "2024-12-20",
      "completion_date": "2028-01-31",
      "has_results": false,
      "last_update_posted_date": "2026-08-17",
      "last_synced_at": "2026-09-28T03:00:06.115Z",
      "location_count": 2,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06249984"
    },
    {
      "nct_id": "NCT03059940",
      "title": "Smoking Cessation Intervention During Low Dose CT (LDCT) Screening for Lung Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Questionnaires",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Low Dose Computed Tomography Scan",
          "type": "PROCEDURE"
        },
        {
          "name": "Shared Decision Making + Video",
          "type": "OTHER"
        },
        {
          "name": "Cessation Counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Quitline",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Pharmacotherapy Discussion",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Nicotine Patch",
          "type": "DRUG"
        },
        {
          "name": "Anti-Smoking Drug",
          "type": "DRUG"
        },
        {
          "name": "Tobacco Treatment Program",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Carbon Monoxide (CO) Level Test",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "PROCEDURE",
        "OTHER",
        "DRUG"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 630,
      "start_date": "2017-06-16",
      "completion_date": "2026-06-01",
      "has_results": false,
      "last_update_posted_date": "2026-04-15",
      "last_synced_at": "2026-09-28T03:00:06.115Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03059940"
    },
    {
      "nct_id": "NCT00683033",
      "title": "Contingency Management for Smoking in Substance Abusers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Cigarette Smoking"
      ],
      "interventions": [
        {
          "name": "Contingency Management",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Brief smoking cessation counseling",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "UConn Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 51,
      "start_date": "2008-05",
      "completion_date": "2010-10",
      "has_results": false,
      "last_update_posted_date": "2011-11-21",
      "last_synced_at": "2026-09-28T03:00:06.115Z",
      "location_count": 1,
      "location_summary": "Farmington, Connecticut",
      "locations": [
        {
          "city": "Farmington",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00683033"
    },
    {
      "nct_id": "NCT01665560",
      "title": "Neural, Behavioral and Physiological Correlates of Feeding in Humans",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Magnetic Resonance Imaging, Functional"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 27,
      "start_date": "2005-06",
      "completion_date": "2009-07",
      "has_results": false,
      "last_update_posted_date": "2012-08-15",
      "last_synced_at": "2026-09-28T03:00:06.115Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01665560"
    },
    {
      "nct_id": "NCT05075213",
      "title": "QuitBet Phase II: A Digital Social Game That Pays You to Stop Smoking",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "contingency management (deposit contract)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "leaderboard and social feed",
          "type": "BEHAVIORAL"
        },
        {
          "name": "smoking cessation resource list",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "WayBetter, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 245,
      "start_date": "2021-11-01",
      "completion_date": "2024-07-27",
      "has_results": true,
      "last_update_posted_date": "2026-02-27",
      "last_synced_at": "2026-09-28T03:00:06.115Z",
      "location_count": 1,
      "location_summary": "Wilmington, Delaware",
      "locations": [
        {
          "city": "Wilmington",
          "state": "Delaware"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05075213"
    },
    {
      "nct_id": "NCT05625685",
      "title": "Equitable Smoking Relapse Prevention",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Use Disorder",
        "Tobacco Dependence"
      ],
      "interventions": [
        {
          "name": "Quitbuddy",
          "type": "OTHER"
        },
        {
          "name": "Control",
          "type": "OTHER"
        },
        {
          "name": "SDoH Augmentation",
          "type": "OTHER"
        },
        {
          "name": "SDoH Control",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Bryan W. Heckman",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2023-10-02",
      "completion_date": "2023-11-30",
      "has_results": false,
      "last_update_posted_date": "2024-05-08",
      "last_synced_at": "2026-09-28T03:00:06.115Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05625685"
    },
    {
      "nct_id": "NCT06038526",
      "title": "Evaluation of Canakinumab in High-Risk Former-Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Cigarette Smoking-Related Carcinoma",
        "Lung Carcinoma"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Bronchoscopy",
          "type": "PROCEDURE"
        },
        {
          "name": "Canakinumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Carbon Monoxide Measurement",
          "type": "PROCEDURE"
        },
        {
          "name": "Survey Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "Peter Shields",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "73 Years",
        "sex": "ALL",
        "summary": "40 Years to 73 Years"
      },
      "enrollment_count": 41,
      "start_date": "2024-03-11",
      "completion_date": "2026-05-26",
      "has_results": false,
      "last_update_posted_date": "2026-07-07",
      "last_synced_at": "2026-09-28T03:00:06.115Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06038526"
    },
    {
      "nct_id": "NCT03142932",
      "title": "COach2Quit TRIAL: Assessing a Prototype Personal Carbon Monoxide Monitor for Smoking Cessation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking",
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Individualized carbon monoxide (iCO) monitor",
          "type": "DEVICE"
        },
        {
          "name": "COach2Quit smartphone application",
          "type": "OTHER"
        },
        {
          "name": "Cessation counseling",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER",
        "BEHAVIORAL"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 102,
      "start_date": "2017-05-17",
      "completion_date": "2017-11-30",
      "has_results": true,
      "last_update_posted_date": "2019-10-04",
      "last_synced_at": "2026-09-28T03:00:06.115Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03142932"
    },
    {
      "nct_id": "NCT02237898",
      "title": "Harnessing the Power of Technology: MOMBA for Postpartum Smoking",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "MoMba Live Long app & Sensordrone™ carbon-monoxide sensor",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Office contingency management",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Sensordrone™ carbon-monoxide sensor",
          "type": "DEVICE"
        },
        {
          "name": "MoMba Live Long Smartphone application",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DEVICE"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 50 Years · Female only"
      },
      "enrollment_count": 26,
      "start_date": "2017-02-10",
      "completion_date": "2019-05-13",
      "has_results": true,
      "last_update_posted_date": "2020-05-21",
      "last_synced_at": "2026-09-28T03:00:06.115Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02237898"
    }
  ]
}