{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Telephone+quitline&page=5",
    "query": {
      "intervention": "Telephone quitline",
      "page": 5
    },
    "page_size": 10
  },
  "pagination": {
    "page": 5,
    "page_size": 10,
    "total_count": 103,
    "total_pages": 11,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Telephone+quitline&page=6&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Telephone+quitline&page=4&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-15T22:11:12.773Z",
  "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": "NCT02144883",
      "title": "Telephone Counseling for Pregnant Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Smoking"
      ],
      "interventions": [
        {
          "name": "Telephone counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Self-help materials",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 45 Years · Female only"
      },
      "enrollment_count": 1173,
      "start_date": "2000-09",
      "completion_date": "2004-04",
      "has_results": false,
      "last_update_posted_date": "2020-02-13",
      "last_synced_at": "2026-11-15T22:11:12.773Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02144883"
    },
    {
      "nct_id": "NCT01342523",
      "title": "Evaluation of National Cancer Institute (NCI) Smoking Intervention Resources",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Smoking Cessation",
        "Smoking",
        "Nicotine Dependence"
      ],
      "interventions": [
        {
          "name": "CIS - telephone cessation quitline counseling",
          "type": "OTHER"
        },
        {
          "name": "Lozenge - nicotine mini-lozenges",
          "type": "OTHER"
        },
        {
          "name": "Emails - Brief smoking prevention messages",
          "type": "OTHER"
        },
        {
          "name": "Full website - standard smokefree.gov website content",
          "type": "OTHER"
        },
        {
          "name": "Lite website - lite version of smokefree.gov",
          "type": "OTHER"
        },
        {
          "name": "Full mailed booklet - NCI's detailed 36-page quit guide",
          "type": "OTHER"
        },
        {
          "name": "brief mailed booklet - smaller version of NCI's booklet",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "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": 1034,
      "start_date": "2011-10",
      "completion_date": "2013-10",
      "has_results": true,
      "last_update_posted_date": "2015-10-14",
      "last_synced_at": "2026-11-15T22:11:12.773Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01342523"
    },
    {
      "nct_id": "NCT01027754",
      "title": "Smoking Cessation Treatment for Methadone Maintenance Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Smoking Cessation",
        "Substance-Related Disorders"
      ],
      "interventions": [
        {
          "name": "Varenicline",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Albert Einstein College of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 112,
      "start_date": "2009-08",
      "completion_date": "2011-09",
      "has_results": true,
      "last_update_posted_date": "2021-05-26",
      "last_synced_at": "2026-11-15T22:11:12.773Z",
      "location_count": 1,
      "location_summary": "The Bronx, New York",
      "locations": [
        {
          "city": "The Bronx",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01027754"
    },
    {
      "nct_id": "NCT05060965",
      "title": "Inpatient Smoking Cessation Pilot Program",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Tobacco Use Cessation"
      ],
      "interventions": [
        {
          "name": "Nicotine lozenge",
          "type": "DRUG"
        },
        {
          "name": "Nicotine gum",
          "type": "DRUG"
        },
        {
          "name": "Nicotine patch",
          "type": "DRUG"
        },
        {
          "name": "Maryland Quitline",
          "type": "OTHER"
        },
        {
          "name": "John Hopkins Tobacco Treatment Clinic",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "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": 0,
      "start_date": "2019-10-01",
      "completion_date": "2023-04",
      "has_results": false,
      "last_update_posted_date": "2023-08-15",
      "last_synced_at": "2026-11-15T22:11:12.773Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05060965"
    },
    {
      "nct_id": "NCT03911960",
      "title": "Acceptance and Commitment Therapy for Tobacco Cessation Among Psychiatric Partial Hospital Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Smoking",
        "Psychiatric Disorder",
        "Psychiatric Hospitalization"
      ],
      "interventions": [
        {
          "name": "Acceptance and Commitment Therapy",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Enhanced Usual Care",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "The Miriam Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 17,
      "start_date": "2019-04-16",
      "completion_date": "2019-11-15",
      "has_results": true,
      "last_update_posted_date": "2020-09-25",
      "last_synced_at": "2026-11-15T22:11:12.773Z",
      "location_count": 1,
      "location_summary": "Providence, Rhode Island",
      "locations": [
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03911960"
    },
    {
      "nct_id": "NCT06432985",
      "title": "Smoking Cessation CM for Veterans With or at Risk for Cancer",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Use Disorder",
        "Substance Use Disorder"
      ],
      "interventions": [
        {
          "name": "Focus Group",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Contingency Management (CM)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "TUD Treatment as Usual (TAU)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 108,
      "start_date": "2025-01-29",
      "completion_date": "2031-09-30",
      "has_results": false,
      "last_update_posted_date": "2026-10-02",
      "last_synced_at": "2026-11-15T22:11:12.773Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06432985"
    },
    {
      "nct_id": "NCT01248832",
      "title": "Smokers' Quitline for Asian Language Speakers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Telephone Counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Self-Help Materials",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 2277,
      "start_date": "2004-08",
      "completion_date": "2008-11",
      "has_results": false,
      "last_update_posted_date": "2020-02-13",
      "last_synced_at": "2026-11-15T22:11:12.773Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01248832"
    },
    {
      "nct_id": "NCT02267096",
      "title": "Lombardi Comprehensive Cancer Center/Legacy Pilot Study to Reduce Adverse Smoking Outcomes in the Context of Lung Cancer Screening",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Smoking",
        "Lung Cancer"
      ],
      "interventions": [
        {
          "name": "Telephone Counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Minimal Treatment",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Georgetown University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "55 Years to 80 Years"
      },
      "enrollment_count": 95,
      "start_date": "2014-01",
      "completion_date": "2016-08",
      "has_results": false,
      "last_update_posted_date": "2016-10-19",
      "last_synced_at": "2026-11-15T22:11:12.773Z",
      "location_count": 3,
      "location_summary": "Washington D.C., District of Columbia • Burlington, Massachusetts • Hackensack, New Jersey",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Burlington",
          "state": "Massachusetts"
        },
        {
          "city": "Hackensack",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02267096"
    },
    {
      "nct_id": "NCT01156610",
      "title": "Tobacco Treatment Outreach to Reduce Disparities for Primary Care Populations",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking",
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Tobacco Treatment",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 706,
      "start_date": "2011-11",
      "completion_date": "2014-03",
      "has_results": false,
      "last_update_posted_date": "2014-03-06",
      "last_synced_at": "2026-11-15T22:11:12.773Z",
      "location_count": 2,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01156610"
    },
    {
      "nct_id": "NCT01592682",
      "title": "Creating Smokefree Living Together for Chinese Household Pairs",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking",
        "Smoke Exposure"
      ],
      "interventions": [
        {
          "name": "Smokefree counseling",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, Davis",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 410,
      "start_date": "2012-04",
      "completion_date": "2015-05",
      "has_results": false,
      "last_update_posted_date": "2015-06-03",
      "last_synced_at": "2026-11-15T22:11:12.773Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01592682"
    }
  ]
}