{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Former+Smoker",
    "query": {
      "condition": "Former Smoker"
    },
    "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+Smoker&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-05-22T09:44:14.854Z",
  "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": "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": 234,
      "start_date": "2021-06-04",
      "completion_date": "2026-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-05-19",
      "last_synced_at": "2026-05-22T09:44:14.854Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04505371"
    },
    {
      "nct_id": "NCT02656745",
      "title": "Clinical Trial of Smoking Cessation Mobile Phone Program",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Nicotine Addiction",
        "Drug Addiction",
        "Drug Dependence",
        "Substance Use Disorder",
        "Tobacco Dependence"
      ],
      "interventions": [
        {
          "name": "Mobile Smoking Cessation Solution",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Click Therapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 416,
      "start_date": "2016-05",
      "completion_date": "2017-06",
      "has_results": true,
      "last_update_posted_date": "2018-11-14",
      "last_synced_at": "2026-05-22T09:44:14.854Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02656745"
    },
    {
      "nct_id": "NCT02432729",
      "title": "A Smoking Cessation Study to Understand the Biological and Functional Changes After One Year of Smoking Cessation",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cigarette Smoking"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Philip Morris Products S.A.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "30 Years to 65 Years"
      },
      "enrollment_count": 1184,
      "start_date": "2015-05-05",
      "completion_date": "2018-04-27",
      "has_results": true,
      "last_update_posted_date": "2023-01-30",
      "last_synced_at": "2026-05-22T09:44:14.854Z",
      "location_count": 1,
      "location_summary": "Charlotte, North Carolina",
      "locations": [
        {
          "city": "Charlotte",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02432729"
    },
    {
      "nct_id": "NCT00981201",
      "title": "Celecoxib as a Chemopreventive Agent in Current and Former Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Smoking",
        "Prevention"
      ],
      "interventions": [
        {
          "name": "Celecoxib",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "74 Years",
        "sex": "ALL",
        "summary": "18 Years to 74 Years"
      },
      "enrollment_count": 219,
      "start_date": "2001-11",
      "completion_date": "2009-09",
      "has_results": false,
      "last_update_posted_date": "2012-08-01",
      "last_synced_at": "2026-05-22T09:44:14.854Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00981201"
    },
    {
      "nct_id": "NCT00414960",
      "title": "A Trial of Placebo Versus Enzastaurin for Lung Cancer Prevention in Former Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Lung Cancer"
      ],
      "interventions": [
        {
          "name": "Enzastaurin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Eli Lilly and Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "45 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2007-12",
      "completion_date": "2010-09",
      "has_results": true,
      "last_update_posted_date": "2020-09-21",
      "last_synced_at": "2026-05-22T09:44:14.854Z",
      "location_count": 1,
      "location_summary": "Tampa, Florida",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00414960"
    },
    {
      "nct_id": "NCT00754923",
      "title": "Sorafenib in Treating Non-Smokers or Former Light Smokers With Relapsed or Refractory Stage IIIB or Stage IV Non-Small Cell Lung Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Lung Cancer"
      ],
      "interventions": [
        {
          "name": "sorafenib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Ohio State University Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 11,
      "start_date": "2008-10",
      "completion_date": "2012-04",
      "has_results": true,
      "last_update_posted_date": "2019-03-06",
      "last_synced_at": "2026-05-22T09:44:14.854Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00754923"
    },
    {
      "nct_id": "NCT01123967",
      "title": "Offering Proactive Tobacco Treatment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Use Cessation"
      ],
      "interventions": [
        {
          "name": "proactive outreach (PRO)",
          "type": "OTHER"
        },
        {
          "name": "telephone counseling (TC)",
          "type": "OTHER"
        },
        {
          "name": "Nicotine replacement therapy (NRT)",
          "type": "OTHER"
        },
        {
          "name": "Usual care (UC)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 2500,
      "start_date": "2011-02",
      "completion_date": "2014-08",
      "has_results": false,
      "last_update_posted_date": "2015-05-27",
      "last_synced_at": "2026-05-22T09:44:14.854Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01123967"
    },
    {
      "nct_id": "NCT01541826",
      "title": "Study of Chokeberry to Reduce Cardiovascular Disease Risk in Former Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cardiovascular Disease",
        "Oxidative Stress"
      ],
      "interventions": [
        {
          "name": "Chokeberry Extract",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo capsule",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Chokeberry extract capsule, acute",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Connecticut",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 62,
      "start_date": "2012-02",
      "completion_date": "2016-12",
      "has_results": true,
      "last_update_posted_date": "2017-07-11",
      "last_synced_at": "2026-05-22T09:44:14.854Z",
      "location_count": 1,
      "location_summary": "Storrs, Connecticut",
      "locations": [
        {
          "city": "Storrs",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01541826"
    },
    {
      "nct_id": "NCT05586308",
      "title": "Incentive-based and Media Literacy Informed Approaches to Improve Vaping Cessation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Behavior, Health Risk",
        "Implementation Science",
        "E Cigarette Use",
        "Cessation, Smoking",
        "Incentives",
        "Engagement, Patient",
        "Peer Support",
        "Media Literacy"
      ],
      "interventions": [
        {
          "name": "Text-massaging suport",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Financial incentive",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Media literacy",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Nebraska",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "29 Years",
        "sex": "ALL",
        "summary": "19 Years to 29 Years"
      },
      "enrollment_count": 40,
      "start_date": "2023-12-07",
      "completion_date": "2025-06-30",
      "has_results": true,
      "last_update_posted_date": "2026-01-29",
      "last_synced_at": "2026-05-22T09:44:14.854Z",
      "location_count": 1,
      "location_summary": "Omaha, Nebraska",
      "locations": [
        {
          "city": "Omaha",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05586308"
    },
    {
      "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": "2026-05-22T09:44:14.854Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03059940"
    }
  ]
}