{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Project+Quit+stop+smoking+program",
    "query": {
      "intervention": "Project Quit stop smoking program"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 7,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-04T08:39:09.228Z",
  "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": "NCT00345891",
      "title": "Quit Smoking Program for Lung Cancer Patients' Families (The Family Ties Project)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Coping-focused counseling telephone calls",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 496,
      "start_date": "2004-06",
      "completion_date": "2007-12",
      "has_results": false,
      "last_update_posted_date": "2014-07-25",
      "last_synced_at": "2026-09-04T08:39:09.228Z",
      "location_count": 4,
      "location_summary": "Tampa, Florida • Chapel Hill, North Carolina • Durham, North Carolina",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00345891"
    },
    {
      "nct_id": "NCT01783912",
      "title": "Helping Those With Mental Illness Quit Smoking",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Smoking",
        "Nicotine Dependence",
        "Mental Disorders"
      ],
      "interventions": [
        {
          "name": "Cognitive / Motivational Individual Sessions",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Attention Control Individual Sessions",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Nicotine Patch",
          "type": "DRUG"
        },
        {
          "name": "Group Curriculum",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 270,
      "start_date": "2012-12",
      "completion_date": "2014-06",
      "has_results": true,
      "last_update_posted_date": "2016-02-29",
      "last_synced_at": "2026-09-04T08:39:09.228Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01783912"
    },
    {
      "nct_id": "NCT04247061",
      "title": "Usability Study of a Smoking Cessation Intervention During a Dental Cleaning",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking, Cessation"
      ],
      "interventions": [
        {
          "name": "Educational video",
          "type": "OTHER"
        },
        {
          "name": "Text-message program",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Boston University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 16,
      "start_date": "2020-02-04",
      "completion_date": "2020-05-31",
      "has_results": true,
      "last_update_posted_date": "2021-05-07",
      "last_synced_at": "2026-09-04T08:39:09.228Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04247061"
    },
    {
      "nct_id": "NCT04114526",
      "title": "Durham Housing Authority (DHA) Community Health Advisor (CHA) Smoking Cessation Project",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Nicotine Replacement Therapy",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 31,
      "start_date": "2019-07-19",
      "completion_date": "2020-01-10",
      "has_results": false,
      "last_update_posted_date": "2020-10-12",
      "last_synced_at": "2026-09-04T08:39:09.228Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04114526"
    },
    {
      "nct_id": "NCT00534404",
      "title": "A Randomized Trial of Internet Access to Nicotine Patches",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking Cessation",
        "Tobacco Use Disorder"
      ],
      "interventions": [
        {
          "name": "Nicotine patches",
          "type": "DRUG"
        },
        {
          "name": "Telephone counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "iQuit Smoking website",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2485,
      "start_date": "2011-03",
      "completion_date": "2014-03",
      "has_results": true,
      "last_update_posted_date": "2015-02-03",
      "last_synced_at": "2026-09-04T08:39:09.228Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00534404"
    },
    {
      "nct_id": "NCT02942212",
      "title": "Health Literacy and Smoking Cessation in Low-SES Diverse Smokers - Project HALT II",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Questionnaire",
          "type": "BEHAVIORAL"
        },
        {
          "name": "In-Depth Interviews",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Breath Test",
          "type": "OTHER"
        },
        {
          "name": "Nicotine Patches",
          "type": "DRUG"
        },
        {
          "name": "Advice plus Phone Counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Advice plus Counseling Sessions",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Self Assessment Questionnaires",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER",
        "DRUG"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "25 Years to 65 Years"
      },
      "enrollment_count": 0,
      "start_date": "2018-12-14",
      "completion_date": "2018-12-14",
      "has_results": false,
      "last_update_posted_date": "2019-05-01",
      "last_synced_at": "2026-09-04T08:39:09.228Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02942212"
    },
    {
      "nct_id": "NCT01923467",
      "title": "Project Quit: Positive vs. Negative Offers of an Online Stop Smoking Program",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Project Quit stop smoking program",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Nicotine patches 21 mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 767,
      "start_date": "2013-08",
      "completion_date": "2014-04",
      "has_results": true,
      "last_update_posted_date": "2015-06-15",
      "last_synced_at": "2026-09-04T08:39:09.228Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01923467"
    }
  ]
}