{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Former+Smokers",
    "query": {
      "condition": "Former Smokers"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 87,
    "total_pages": 9,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Former+Smokers&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-03T04:49:01.950Z",
  "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": "NCT04946825",
      "title": "Quit Smoking Study for People Who Use E-Cigarettes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Nicotine Addiction",
        "E-Cig Use",
        "Quitting Smoking"
      ],
      "interventions": [
        {
          "name": "Nicotine replacement therapy patch",
          "type": "DRUG"
        },
        {
          "name": "Nicotine replacement therapy lozenge",
          "type": "DRUG"
        },
        {
          "name": "Quit electronic cigarettes",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Continue electronic cigarettes",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "University of Vermont",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "29 Years",
        "sex": "ALL",
        "summary": "18 Years to 29 Years"
      },
      "enrollment_count": 396,
      "start_date": "2021-06-27",
      "completion_date": "2023-10-25",
      "has_results": true,
      "last_update_posted_date": "2025-05-22",
      "last_synced_at": "2026-09-03T04:49:01.950Z",
      "location_count": 1,
      "location_summary": "Burlington, Vermont",
      "locations": [
        {
          "city": "Burlington",
          "state": "Vermont"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04946825"
    },
    {
      "nct_id": "NCT04505371",
      "title": "Improving the Reach & Effectiveness of Smoking Cessation Services Targeted to Veterans Living With HIV",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HIV Infections",
        "Smoking",
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Wellness Intervention for Smokers with HIV",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Seattle Institute for Biomedical and Clinical Research",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 235,
      "start_date": "2021-06-04",
      "completion_date": "2026-03-31",
      "has_results": true,
      "last_update_posted_date": "2026-08-31",
      "last_synced_at": "2026-09-03T04:49:01.950Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04505371"
    },
    {
      "nct_id": "NCT05384769",
      "title": "Feasibility of Cell-Free DNA Liquid Biopsy in Screening High-Risk Patients for Lung Cancer",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Lung Carcinoma"
      ],
      "interventions": [
        {
          "name": "Liquid Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Low Dose Computed Tomography of the Chest",
          "type": "PROCEDURE"
        },
        {
          "name": "Survey Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "City of Hope Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "50 Years to 80 Years"
      },
      "enrollment_count": 108,
      "start_date": "2022-07-29",
      "completion_date": "2029-01-28",
      "has_results": false,
      "last_update_posted_date": "2025-10-07",
      "last_synced_at": "2026-09-03T04:49:01.950Z",
      "location_count": 1,
      "location_summary": "Duarte, California",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05384769"
    },
    {
      "nct_id": "NCT06697496",
      "title": "A Smartphone Application (QuitBot) for the Improvement of Smoking Cessation Among American Indians and Alaska Natives, NAITIVE Trial",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cigarette Smoking-Related Carcinoma"
      ],
      "interventions": [
        {
          "name": "QuitBot Smoking Cessation Chatbot Program",
          "type": "DEVICE"
        },
        {
          "name": "QuitBot Smoking Cessation Text Messaging Program",
          "type": "DEVICE"
        },
        {
          "name": "Survey Administration",
          "type": "OTHER"
        },
        {
          "name": "Interview",
          "type": "OTHER"
        },
        {
          "name": "Carbon Monoxide Measurement",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "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": 772,
      "start_date": "2026-09-30",
      "completion_date": "2030-10-31",
      "has_results": false,
      "last_update_posted_date": "2026-06-09",
      "last_synced_at": "2026-09-03T04:49:01.950Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06697496"
    },
    {
      "nct_id": "NCT01640288",
      "title": "Imaging Regional Lung Defect Severity",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "COPD"
      ],
      "interventions": [
        {
          "name": "Perfluorinated Gas/Oxygen Mixture",
          "type": "DRUG"
        },
        {
          "name": "High Resolution CT of the Chest",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Hal C Charles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 171,
      "start_date": "2013-01",
      "completion_date": "2018-08-10",
      "has_results": true,
      "last_update_posted_date": "2020-06-17",
      "last_synced_at": "2026-09-03T04:49:01.950Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01640288"
    },
    {
      "nct_id": "NCT01141517",
      "title": "Predictors of Teen Smoking-cessation",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cigarette Smoking"
      ],
      "interventions": [
        {
          "name": "Not-On-Tobacco smoking cessation program",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Nationwide Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "19 Years",
        "sex": "ALL",
        "summary": "13 Years to 19 Years"
      },
      "enrollment_count": 147,
      "start_date": "2008-07",
      "completion_date": "2014-06",
      "has_results": false,
      "last_update_posted_date": "2019-07-22",
      "last_synced_at": "2026-09-03T04:49:01.950Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01141517"
    },
    {
      "nct_id": "NCT03291587",
      "title": "Implementation of Smoking Cessation Within NCI Community Oncology Research Program (NCORP) Sites",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Personnel Training and Coaching Calls",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1094,
      "start_date": "2018-06-01",
      "completion_date": "2021-02-22",
      "has_results": true,
      "last_update_posted_date": "2022-07-25",
      "last_synced_at": "2026-09-03T04:49:01.950Z",
      "location_count": 49,
      "location_summary": "Newark, Delaware • Augusta, Georgia • Savannah, Georgia + 36 more",
      "locations": [
        {
          "city": "Newark",
          "state": "Delaware"
        },
        {
          "city": "Augusta",
          "state": "Georgia"
        },
        {
          "city": "Savannah",
          "state": "Georgia"
        },
        {
          "city": "Honolulu",
          "state": "Hawaii"
        },
        {
          "city": "Mount Vernon",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03291587"
    },
    {
      "nct_id": "NCT00459173",
      "title": "Efficacy and Safety of Rimonabant as an Aid to Maintenance of Smoking Cessation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Maintenance of Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "rimonabant (SR141716)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sanofi",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 4850,
      "start_date": "2002-11",
      "completion_date": "2005-09",
      "has_results": false,
      "last_update_posted_date": "2009-04-07",
      "last_synced_at": "2026-09-03T04:49:01.950Z",
      "location_count": 1,
      "location_summary": "Bridgewater, New Jersey",
      "locations": [
        {
          "city": "Bridgewater",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00459173"
    },
    {
      "nct_id": "NCT04969978",
      "title": "Electronic Quitline Referral With Enhanced Academic Detailing for the Promotion of Smoking Cessation",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco-Related Carcinoma",
        "Smoking &Amp; Tobacco Cessation"
      ],
      "interventions": [
        {
          "name": "Enhanced Academic Detailing",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Informational Intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "OHSU Knight Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 9133,
      "start_date": "2023-06-20",
      "completion_date": "2026-02-22",
      "has_results": false,
      "last_update_posted_date": "2026-01-28",
      "last_synced_at": "2026-09-03T04:49:01.950Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04969978"
    },
    {
      "nct_id": "NCT03824535",
      "title": "18F-FSPG PET/CT in Diagnosing Early Lung Cancer in Patients With Lung Nodules",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Cigarette Smoker",
        "Current Smoker",
        "Former Smoker",
        "Multiple Pulmonary Nodules",
        "Pulmonary Nodule"
      ],
      "interventions": [
        {
          "name": "Computed Tomography",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Fludeoxyglucose F-18",
          "type": "DRUG"
        },
        {
          "name": "Fluorine F 18 L-glutamate Derivative BAY94-9392",
          "type": "DRUG"
        },
        {
          "name": "Positron Emission Tomography (PET/CT)",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "DRUG"
      ],
      "sponsor": "Andrei Iagaru",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "45 Years and older"
      },
      "enrollment_count": 15,
      "start_date": "2019-02-04",
      "completion_date": "2021-07-30",
      "has_results": true,
      "last_update_posted_date": "2025-04-09",
      "last_synced_at": "2026-09-03T04:49:01.950Z",
      "location_count": 1,
      "location_summary": "Palo Alto, California",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03824535"
    }
  ]
}