{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Quit+Line&page=2",
    "query": {
      "intervention": "Quit Line",
      "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=Quit+Line&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-03T09:19:47.699Z",
  "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": "NCT00245037",
      "title": "Busulfan, Fludarabine, and Total-Body Irradiation in Treating Patients Who Are Undergoing a Donor Stem Cell Transplant for Hematologic Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Chronic Myeloproliferative Disorders",
        "Leukemia",
        "Lymphoma",
        "Multiple Myeloma and Plasma Cell Neoplasm",
        "Myelodysplastic Syndromes",
        "Myelodysplastic/Myeloproliferative Neoplasms",
        "Precancerous Condition"
      ],
      "interventions": [
        {
          "name": "therapeutic allogeneic lymphocytes",
          "type": "BIOLOGICAL"
        },
        {
          "name": "busulfan",
          "type": "DRUG"
        },
        {
          "name": "cyclosporine",
          "type": "DRUG"
        },
        {
          "name": "fludarabine phosphate",
          "type": "DRUG"
        },
        {
          "name": "mycophenolate mofetil",
          "type": "DRUG"
        },
        {
          "name": "peripheral blood stem cell transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "Total Body Irradiation (TBI)",
          "type": "RADIATION"
        },
        {
          "name": "Granulocyte colony-stimulating factor (G-CSF)",
          "type": "DRUG"
        },
        {
          "name": "Phenytoin",
          "type": "DRUG"
        },
        {
          "name": "Methotrexate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "PROCEDURE",
        "RADIATION"
      ],
      "sponsor": "OHSU Knight Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 147,
      "start_date": "2005-06",
      "completion_date": "2015-08",
      "has_results": true,
      "last_update_posted_date": "2017-09-27",
      "last_synced_at": "2026-09-03T09:19:47.699Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00245037"
    },
    {
      "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": "2026-09-03T09:19:47.699Z",
      "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": "NCT01334736",
      "title": "A Study of Novel Smoking Cessation Interventions in Current and Former Injection Drug Users",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Dependence"
      ],
      "interventions": [
        {
          "name": "Usual care",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Lung age",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Contingency Management",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Lung age + Contingency Management",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "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": 100,
      "start_date": "2011-04",
      "completion_date": "2012-07",
      "has_results": false,
      "last_update_posted_date": "2017-08-22",
      "last_synced_at": "2026-09-03T09:19:47.699Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01334736"
    },
    {
      "nct_id": "NCT00384254",
      "title": "Tobacco Quitlines:Adjunct to Dental Office Tobacco Intervention",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Tobacco Use Cessation"
      ],
      "interventions": [
        {
          "name": "5 A",
          "type": "BEHAVIORAL"
        },
        {
          "name": "3 A",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Oregon 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": 2177,
      "start_date": "2004-01",
      "completion_date": "2008-01",
      "has_results": false,
      "last_update_posted_date": "2011-10-26",
      "last_synced_at": "2026-09-03T09:19:47.699Z",
      "location_count": 1,
      "location_summary": "Jackson, Mississippi",
      "locations": [
        {
          "city": "Jackson",
          "state": "Mississippi"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00384254"
    },
    {
      "nct_id": "NCT01592695",
      "title": "Tailored Tobacco Quitline for Rural Veterans",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Cigarette Smoking"
      ],
      "interventions": [
        {
          "name": "Nicotine replacement therapy - transdermal nicotine patch",
          "type": "DRUG"
        },
        {
          "name": "Tailored behavioral intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Tobacco quit line referral",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Nicotine replacement therapy - nicotine gum",
          "type": "DRUG"
        },
        {
          "name": "Nicotine replacement therapy - nicotine lozenge",
          "type": "DRUG"
        },
        {
          "name": "Bupropion Sustained Release",
          "type": "DRUG"
        },
        {
          "name": "Varenicline",
          "type": "DRUG"
        },
        {
          "name": "Combination pharmacotherapy - transdermal nicotine patch + nicotine gum",
          "type": "DRUG"
        },
        {
          "name": "Combination pharmacotherapy - transdermal nicotine patch + nicotine lozenge",
          "type": "DRUG"
        },
        {
          "name": "Combination pharmacotherapy - transdermal nicotine patch + bupropion",
          "type": "DRUG"
        },
        {
          "name": "Alcohol use risk reduction",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Behavioral activation for the treatment of depression",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Behavioral management of post-cessation weight gain",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "Iowa City Veterans Affairs Medical Center",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 63,
      "start_date": "2012-06",
      "completion_date": "2013-06",
      "has_results": true,
      "last_update_posted_date": "2019-08-02",
      "last_synced_at": "2026-09-03T09:19:47.699Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01592695"
    },
    {
      "nct_id": "NCT04340102",
      "title": "Development of a Scalable Intervention to Improve Smoking Cessation in Persons With Serious Mental Illness",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Cessation"
      ],
      "interventions": [
        {
          "name": "BecomeAnEx",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Maryland, Baltimore",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2020-07",
      "completion_date": "2022-06",
      "has_results": false,
      "last_update_posted_date": "2020-11-06",
      "last_synced_at": "2026-09-03T09:19:47.699Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04340102"
    },
    {
      "nct_id": "NCT04367506",
      "title": "Pilot Testing a Digital Intervention to Improve Smoking Cessation in Persons With Serious Mental Illness",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Cessation"
      ],
      "interventions": [
        {
          "name": "BecomeAnEX",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Usual Care",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Maryland, Baltimore",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 59,
      "start_date": "2022-09-06",
      "completion_date": "2024-03-25",
      "has_results": true,
      "last_update_posted_date": "2026-07-15",
      "last_synced_at": "2026-09-03T09:19:47.699Z",
      "location_count": 2,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04367506"
    },
    {
      "nct_id": "NCT01093599",
      "title": "Trial on the Effectiveness of Mindfulness Training for Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Nicotine Dependence"
      ],
      "interventions": [
        {
          "name": "Quit Line plus MTS",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Quit Line Only",
          "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": 196,
      "start_date": "2010-03",
      "completion_date": "2013-12",
      "has_results": true,
      "last_update_posted_date": "2015-10-20",
      "last_synced_at": "2026-09-03T09:19:47.699Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01093599"
    },
    {
      "nct_id": "NCT02840435",
      "title": "Study on Sit to Quit Phone Intervention",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Nicotine Dependence"
      ],
      "interventions": [
        {
          "name": "Sit to Quit",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Quit for Life",
          "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": 23,
      "start_date": "2016-09",
      "completion_date": "2018-06",
      "has_results": false,
      "last_update_posted_date": "2019-09-13",
      "last_synced_at": "2026-09-03T09:19:47.699Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02840435"
    },
    {
      "nct_id": "NCT01584882",
      "title": "Computer-Assisted Tobacco Interventions in Dental Offices",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking"
      ],
      "interventions": [
        {
          "name": "CATI Tool",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "HealthPartners Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 548,
      "start_date": "2009-10",
      "completion_date": "2012-07",
      "has_results": false,
      "last_update_posted_date": "2023-08-23",
      "last_synced_at": "2026-09-03T09:19:47.699Z",
      "location_count": 1,
      "location_summary": "Bloomington, Minnesota",
      "locations": [
        {
          "city": "Bloomington",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01584882"
    }
  ]
}