{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Telephone+quitline&page=2",
    "query": {
      "intervention": "Telephone quitline",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Telephone+quitline&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-25T13:13:17.442Z",
  "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": "NCT05327660",
      "title": "CO Monitoring for Tobacco Cessation in Quitlines",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Tobacco Dependence"
      ],
      "interventions": [
        {
          "name": "Quitline Treatment as Usual (TAU)",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Remote Carbon Monoxide (CO) Monitoring",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Incentivized Remote CO Monitoring",
          "type": "COMBINATION_PRODUCT"
        }
      ],
      "intervention_types": [
        "COMBINATION_PRODUCT"
      ],
      "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": 229,
      "start_date": "2021-12-31",
      "completion_date": "2022-11-01",
      "has_results": true,
      "last_update_posted_date": "2024-10-28",
      "last_synced_at": "2026-09-25T13:13:17.442Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05327660"
    },
    {
      "nct_id": "NCT05362318",
      "title": "Project HEALS (Helping and Empowering pAtients for Living a Life Smoke-free",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking",
        "Tobacco Use",
        "Lung Cancer"
      ],
      "interventions": [
        {
          "name": "Nicotine patch and lozenges",
          "type": "DRUG"
        },
        {
          "name": "Telephone counseling sessions",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Access to a web-based video",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Florida Tobacco Quitline",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "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": 21,
      "start_date": "2021-06-07",
      "completion_date": "2023-01-28",
      "has_results": false,
      "last_update_posted_date": "2026-04-06",
      "last_synced_at": "2026-09-25T13:13:17.442Z",
      "location_count": 1,
      "location_summary": "Tampa, Florida",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05362318"
    },
    {
      "nct_id": "NCT03966807",
      "title": "Beyond the Lung Cancer Diagnosis: Leveraging the Oncology Clinic Setting for Actively Smoking Family Members",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Lung Cancer"
      ],
      "interventions": [
        {
          "name": "Digital-based support",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Traditional-based support + Nicotine replacement therapy (NRT)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Indiana University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 4,
      "start_date": "2021-09-13",
      "completion_date": "2022-03-29",
      "has_results": false,
      "last_update_posted_date": "2024-01-18",
      "last_synced_at": "2026-09-25T13:13:17.442Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03966807"
    },
    {
      "nct_id": "NCT00827866",
      "title": "Efficacy of Tobacco Quitline for Cancer Survivors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Counselor-Initiated Tobacco Quit Line",
          "type": "OTHER"
        },
        {
          "name": "Self-Paced Tobacco Quit Line",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "St. Jude Children's Research Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 946,
      "start_date": "2008-10",
      "completion_date": "2013-11",
      "has_results": false,
      "last_update_posted_date": "2014-11-25",
      "last_synced_at": "2026-09-25T13:13:17.442Z",
      "location_count": 1,
      "location_summary": "Memphis, Tennessee",
      "locations": [
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00827866"
    },
    {
      "nct_id": "NCT04311983",
      "title": "Interventions to Help More Low-income Smokers Quit",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Use Cessation",
        "Smoking Behaviors",
        "Health Disparity"
      ],
      "interventions": [
        {
          "name": "Tobacco Quitline",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Smoke Free Home",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 1973,
      "start_date": "2020-03-31",
      "completion_date": "2023-09-29",
      "has_results": true,
      "last_update_posted_date": "2024-10-10",
      "last_synced_at": "2026-09-25T13:13:17.442Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04311983"
    },
    {
      "nct_id": "NCT01482923",
      "title": "Tobacco Assessment and Intervention With Low-Income Persons Living With HIV-AIDS (PLWHA) in Community-Based AIDS Service Organizations",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Tobacco Cessation",
        "HIV",
        "AIDS"
      ],
      "interventions": [
        {
          "name": "Treatment as usual",
          "type": "BEHAVIORAL"
        },
        {
          "name": "AIR (Aspirations, Inspiration, Respiration)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Memorial Sloan Kettering 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": 65,
      "start_date": "2011-11-22",
      "completion_date": "2019-10-21",
      "has_results": false,
      "last_update_posted_date": "2019-11-04",
      "last_synced_at": "2026-09-25T13:13:17.442Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01482923"
    },
    {
      "nct_id": "NCT01684592",
      "title": "Phone-Based Postpartum Continuing Care for Smoking Cessation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking Cessation",
        "Pregnancy"
      ],
      "interventions": [
        {
          "name": "Phone-based postpartum continuing care",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Standard care",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Battelle Memorial Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 130,
      "start_date": "2012-10",
      "completion_date": "2015-03",
      "has_results": true,
      "last_update_posted_date": "2018-03-13",
      "last_synced_at": "2026-09-25T13:13:17.442Z",
      "location_count": 2,
      "location_summary": "Bloomington, Illinois • Baltimore, Maryland",
      "locations": [
        {
          "city": "Bloomington",
          "state": "Illinois"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01684592"
    },
    {
      "nct_id": "NCT00273156",
      "title": "A Brief Dental Office Intervention With Tobacco Quitline",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Smoking",
        "Nicotine Dependence"
      ],
      "interventions": [
        {
          "name": "Telephone quitline",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 90,
      "start_date": "2005-02",
      "completion_date": "2006-12",
      "has_results": false,
      "last_update_posted_date": "2013-04-23",
      "last_synced_at": "2026-09-25T13:13:17.442Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00273156"
    },
    {
      "nct_id": "NCT03612895",
      "title": "Proactive Population Health Strategy to Offer Tobacco Dependence Treatment to Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking, Tobacco"
      ],
      "interventions": [
        {
          "name": "Internal Care Coordination",
          "type": "BEHAVIORAL"
        },
        {
          "name": "External Community Referral",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Usual Care",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 234,
      "start_date": "2016-04",
      "completion_date": "2017-08",
      "has_results": false,
      "last_update_posted_date": "2018-08-02",
      "last_synced_at": "2026-09-25T13:13:17.442Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03612895"
    },
    {
      "nct_id": "NCT00656500",
      "title": "Quitline Use in Surgical Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Dependence"
      ],
      "interventions": [
        {
          "name": "Standard brief advice",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Quitline intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 300,
      "start_date": "2007-07",
      "completion_date": "2011-06",
      "has_results": false,
      "last_update_posted_date": "2012-02-03",
      "last_synced_at": "2026-09-25T13:13:17.442Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00656500"
    }
  ]
}