{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Control+Group%3A+Quitline",
    "query": {
      "intervention": "Control Group: Quitline"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 43,
    "total_pages": 5,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Control+Group%3A+Quitline&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-12T02:28:24.554Z",
  "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": "NCT01867983",
      "title": "Comparative Effectiveness of Adding Weight Control to Smoking Cessation Quitlines",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cigarette Smoking",
        "Overweight",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Weight gain prevention and smoking cessation",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Smoking cessation",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Consumer Wellness Solutions",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2540,
      "start_date": "2013-08",
      "completion_date": "2016-03",
      "has_results": false,
      "last_update_posted_date": "2016-04-15",
      "last_synced_at": "2026-09-12T02:28:24.554Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01867983"
    },
    {
      "nct_id": "NCT01882348",
      "title": "Changing Pediatric Office Systems Nationally to Address Parental Tobacco Use",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Dependence"
      ],
      "interventions": [
        {
          "name": "CEASE Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 3888,
      "start_date": "2015-04-14",
      "completion_date": "2017-10-26",
      "has_results": false,
      "last_update_posted_date": "2019-04-09",
      "last_synced_at": "2026-09-12T02:28:24.554Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01882348"
    },
    {
      "nct_id": "NCT02281864",
      "title": "Interventions to Help Smoking Parents of Inpatients Reduce Exposure (INSPIRE)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Use Cessation",
        "Second Hand Tobacco Smoke"
      ],
      "interventions": [
        {
          "name": "Smoking Cessation Intervention Bundle",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Control Group: Quitline",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "Up to 80 Years"
      },
      "enrollment_count": 600,
      "start_date": "2014-12-10",
      "completion_date": "2022-03-28",
      "has_results": false,
      "last_update_posted_date": "2023-01-31",
      "last_synced_at": "2026-09-12T02:28:24.554Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02281864"
    },
    {
      "nct_id": "NCT01299909",
      "title": "Study Two on the Effectiveness of Mindfulness Training for Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Nicotine Dependence"
      ],
      "interventions": [
        {
          "name": "Integrated Training for Smokers",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Mindfulness Training for Smokers",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Quitline",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 175,
      "start_date": "2011-03",
      "completion_date": "2013-12",
      "has_results": true,
      "last_update_posted_date": "2019-06-27",
      "last_synced_at": "2026-09-12T02:28:24.554Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01299909"
    },
    {
      "nct_id": "NCT02564315",
      "title": "The Long-Term Quitting (Smoking Cessation) Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Nicotine Mini-Lozenge for 11 Months",
          "type": "DRUG"
        },
        {
          "name": "Preparation Phase Behavioral Reduction Counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Preparation Phase Recycling Counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Preparation Phase Control Treatment",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Cessation Phase Supportive Counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Cessation Phase Skill Training Counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Cessation Phase Brief Information",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Cessation Phase Nicotine Patch + Nicotine Mini-Lozenge",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1154,
      "start_date": "2015-10-30",
      "completion_date": "2019-11-05",
      "has_results": false,
      "last_update_posted_date": "2020-02-17",
      "last_synced_at": "2026-09-12T02:28:24.554Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02564315"
    },
    {
      "nct_id": "NCT07685899",
      "title": "Contingency Management to Promote Smoking Cessation: A Pilot Randomized Clinical Trial",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Health Rewards",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Control",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Kansas Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2026-08-20",
      "completion_date": "2027-05-30",
      "has_results": false,
      "last_update_posted_date": "2026-07-06",
      "last_synced_at": "2026-09-12T02:28:24.554Z",
      "location_count": 1,
      "location_summary": "Kansas City, Kansas",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07685899"
    },
    {
      "nct_id": "NCT04547686",
      "title": "Efficacy of a Smoke-Free Homes Intervention",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cessation, Smoking"
      ],
      "interventions": [
        {
          "name": "Smoke-Free Homes Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Quitline",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 916,
      "start_date": "2020-11-11",
      "completion_date": "2025-07-27",
      "has_results": true,
      "last_update_posted_date": "2026-08-18",
      "last_synced_at": "2026-09-12T02:28:24.554Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04547686"
    },
    {
      "nct_id": "NCT02896400",
      "title": "Optimizing Tobacco Dependence Treatment in the Emergency Department",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Tobacco Use Disorder"
      ],
      "interventions": [
        {
          "name": "Brief Negotiated Interview (BNI)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Nicotine replacement therapy (NRT)",
          "type": "DRUG"
        },
        {
          "name": "CT Smokers Quitline (QL)",
          "type": "OTHER"
        },
        {
          "name": "SmokefreeText (Text)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1056,
      "start_date": "2017-02-13",
      "completion_date": "2019-08-14",
      "has_results": true,
      "last_update_posted_date": "2020-12-04",
      "last_synced_at": "2026-09-12T02:28:24.554Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02896400"
    },
    {
      "nct_id": "NCT03229356",
      "title": "An EPIC Based BPA to Enhance Quit Line Referral and Use",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Best Practices Advisory (BPA)",
          "type": "OTHER"
        },
        {
          "name": "BPA + Enhanced Education",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 22,
      "start_date": "2017-04-18",
      "completion_date": "2019-05-30",
      "has_results": true,
      "last_update_posted_date": "2023-11-18",
      "last_synced_at": "2026-09-12T02:28:24.554Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03229356"
    },
    {
      "nct_id": "NCT01393392",
      "title": "Developing a Smoking Cessation Intervention for Methadone Maintained Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Nicotine Dependence",
        "Opiate Dependence"
      ],
      "interventions": [
        {
          "name": "Intensive, tailored intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "NJ Quitline Referral",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Rutgers, The State University of New Jersey",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 87,
      "start_date": "2011-10",
      "completion_date": "2014-05",
      "has_results": true,
      "last_update_posted_date": "2018-09-06",
      "last_synced_at": "2026-09-12T02:28:24.554Z",
      "location_count": 1,
      "location_summary": "New Brunswick, New Jersey",
      "locations": [
        {
          "city": "New Brunswick",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01393392"
    }
  ]
}