{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Quitline+intervention",
    "query": {
      "intervention": "Quitline intervention"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 130,
    "total_pages": 13,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Quitline+intervention&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-25T12:07:04.637Z",
  "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": "NCT05277207",
      "title": "Tobacco Cessation Treatment Preferences Among Veteran Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Tobacco Use"
      ],
      "interventions": [
        {
          "name": "Personalized Smoking Cessation Facilitation Meetings",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Personalized Smoking Cessation Pharmacotherapy",
          "type": "DRUG"
        },
        {
          "name": "Personalized Text Messaging Support",
          "type": "BEHAVIORAL"
        },
        {
          "name": "SmokefreeVET",
          "type": "BEHAVIORAL"
        },
        {
          "name": "VA Quitline",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Education about pharmacotherapy",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG",
        "OTHER"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2022-05-02",
      "completion_date": "2023-09-27",
      "has_results": true,
      "last_update_posted_date": "2024-05-07",
      "last_synced_at": "2026-09-25T12:07:04.637Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05277207"
    },
    {
      "nct_id": "NCT01817842",
      "title": "Study of Mobile Phone Support for the DC Tobacco Quitline",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Mobile EX cessation support",
          "type": "BEHAVIORAL"
        },
        {
          "name": "DC Quitline Support",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Device Control",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Truth Initiative",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 803,
      "start_date": "2010-07",
      "completion_date": "2012-02",
      "has_results": false,
      "last_update_posted_date": "2013-03-26",
      "last_synced_at": "2026-09-25T12:07:04.637Z",
      "location_count": 1,
      "location_summary": "Washington D.C., District of Columbia",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01817842"
    },
    {
      "nct_id": "NCT01305928",
      "title": "Hospitalized Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hospitalized Smokers"
      ],
      "interventions": [
        {
          "name": "Warm Hand-off",
          "type": "OTHER"
        },
        {
          "name": "Fax",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Kansas Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1054,
      "start_date": "2011-02",
      "completion_date": "2016-01",
      "has_results": false,
      "last_update_posted_date": "2016-04-26",
      "last_synced_at": "2026-09-25T12:07:04.637Z",
      "location_count": 1,
      "location_summary": "Kansas City, Kansas",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01305928"
    },
    {
      "nct_id": "NCT04974580",
      "title": "Research and Innovation to Stop E-cigarette/Vaping in Young Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Nicotine Dependence",
        "E-Cig Use"
      ],
      "interventions": [
        {
          "name": "Nicotine patch",
          "type": "DRUG"
        },
        {
          "name": "Phone Counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Digital Coaching",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "Ohio State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "24 Years",
        "sex": "ALL",
        "summary": "18 Years to 24 Years"
      },
      "enrollment_count": 508,
      "start_date": "2021-07-28",
      "completion_date": "2022-12-30",
      "has_results": true,
      "last_update_posted_date": "2024-07-29",
      "last_synced_at": "2026-09-25T12:07:04.637Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04974580"
    },
    {
      "nct_id": "NCT06909357",
      "title": "Creation of an Infrastructure to Support Delivery of mHealth Interventions for Cancer Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Quitline Treatment (QT)",
          "type": "OTHER"
        },
        {
          "name": "App-based Treatment (mHealth)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "H. Lee Moffitt Cancer Center and Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 38,
      "start_date": "2025-03-28",
      "completion_date": "2026-08-26",
      "has_results": false,
      "last_update_posted_date": "2026-09-15",
      "last_synced_at": "2026-09-25T12:07:04.637Z",
      "location_count": 3,
      "location_summary": "Coral Gables, Florida • Gainesville, Florida • Tampa, Florida",
      "locations": [
        {
          "city": "Coral Gables",
          "state": "Florida"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06909357"
    },
    {
      "nct_id": "NCT04045964",
      "title": "Nicotine Patch as an Adjunctive Intervention to Reduce Secondhand Smoke Among NICU Families",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Environmental Tobacco Smoke",
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "nicotine replacement therapy (NRT)",
          "type": "DRUG"
        },
        {
          "name": "motivational advice",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Quitline referral",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "The University of Texas Health Science Center, Houston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 32,
      "start_date": "2017-10-29",
      "completion_date": "2018-06-28",
      "has_results": true,
      "last_update_posted_date": "2024-12-11",
      "last_synced_at": "2026-09-25T12:07:04.637Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04045964"
    },
    {
      "nct_id": "NCT02081144",
      "title": "Texting to Promote Tobacco Abstinence in Emergency Department Smokers: A Pilot Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Smoking",
        "Tobacco Abstinence"
      ],
      "interventions": [
        {
          "name": "Smokefree TXT Program",
          "type": "OTHER"
        },
        {
          "name": "nicotine replacement patches",
          "type": "DRUG"
        },
        {
          "name": "Nicotine Replacement Gum",
          "type": "DRUG"
        },
        {
          "name": "Faxed Referral CT Smokers Quitline",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG",
        "BEHAVIORAL"
      ],
      "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": 60,
      "start_date": "2014-05",
      "completion_date": "2014-10",
      "has_results": false,
      "last_update_posted_date": "2020-03-05",
      "last_synced_at": "2026-09-25T12:07:04.637Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02081144"
    },
    {
      "nct_id": "NCT01615237",
      "title": "Dentistry United to Extinguish Tobacco",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Use Treatment"
      ],
      "interventions": [
        {
          "name": "Audit and performance feedback (PF)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Financial Incentive (P4P)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Current Best Practices (CBP)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "NYU Langone Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 3207,
      "start_date": "2013-03-09",
      "completion_date": "2018-12-08",
      "has_results": false,
      "last_update_posted_date": "2019-02-15",
      "last_synced_at": "2026-09-25T12:07:04.637Z",
      "location_count": 2,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01615237"
    },
    {
      "nct_id": "NCT02412956",
      "title": "SmokefreeMOM: Reaching Pregnant Smokers With Health Information Via Text Messaging",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pregnancy",
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "SmokefreeMOM Text",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "George Washington University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "44 Years",
        "sex": "FEMALE",
        "summary": "13 Years to 44 Years · Female only"
      },
      "enrollment_count": 99,
      "start_date": "2013-01",
      "completion_date": "2016-08",
      "has_results": true,
      "last_update_posted_date": "2021-11-26",
      "last_synced_at": "2026-09-25T12:07:04.637Z",
      "location_count": 1,
      "location_summary": "Washington D.C., District of Columbia",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02412956"
    },
    {
      "nct_id": "NCT03477435",
      "title": "Comparing an Opt-out to an opt-in Approach for Smoking Cessation in VA Primary Care Clinics",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Use"
      ],
      "interventions": [
        {
          "name": "Staff training and academic detailing",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 1365,
      "start_date": "2019-08-28",
      "completion_date": "2027-04-01",
      "has_results": false,
      "last_update_posted_date": "2026-04-06",
      "last_synced_at": "2026-09-25T12:07:04.637Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03477435"
    }
  ]
}