{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Carbon+Monoxide+%28CO%29+Level+Test",
    "query": {
      "intervention": "Carbon Monoxide (CO) Level Test"
    },
    "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": "2026-10-05T03:46:55.510Z",
  "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": "NCT01547117",
      "title": "Dietary Salt in Postural Tachycardia Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Postural Orthostatic Tachycardia Syndrome"
      ],
      "interventions": [
        {
          "name": "Blood Volume",
          "type": "RADIATION"
        },
        {
          "name": "Total Blood Volume",
          "type": "RADIATION"
        },
        {
          "name": "Exercise Capacity Test - Bicycle",
          "type": "PROCEDURE"
        },
        {
          "name": "Posture Study",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "PROCEDURE"
      ],
      "sponsor": "Vanderbilt University",
      "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": 38,
      "start_date": "2012-03",
      "completion_date": "2021-12",
      "has_results": true,
      "last_update_posted_date": "2022-02-22",
      "last_synced_at": "2026-10-05T03:46:55.510Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01547117"
    },
    {
      "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": "2026-10-05T03:46:55.510Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05625685"
    },
    {
      "nct_id": "NCT01980485",
      "title": "The Get Quit - Stay Quit Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Nicotine Dependent Cigarette Smoker"
      ],
      "interventions": [
        {
          "name": "Lung Age feedback and exhaled carbon monoxide",
          "type": "BEHAVIORAL"
        },
        {
          "name": "No Lung Age Feedback",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Milton S. Hershey Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 225,
      "start_date": "2012-01",
      "completion_date": "2013-12",
      "has_results": true,
      "last_update_posted_date": "2019-02-26",
      "last_synced_at": "2026-10-05T03:46:55.510Z",
      "location_count": 4,
      "location_summary": "Harrisburg, Pennsylvania • Hershey, Pennsylvania • Palmyra, Pennsylvania",
      "locations": [
        {
          "city": "Harrisburg",
          "state": "Pennsylvania"
        },
        {
          "city": "Hershey",
          "state": "Pennsylvania"
        },
        {
          "city": "Hershey",
          "state": "Pennsylvania"
        },
        {
          "city": "Palmyra",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01980485"
    },
    {
      "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": "2026-10-05T03:46:55.510Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02237898"
    },
    {
      "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": "2026-10-05T03:46:55.510Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03059940"
    }
  ]
}