{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Varenicline+or+bupropion",
    "query": {
      "intervention": "Varenicline or bupropion"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 31,
    "total_pages": 4,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Varenicline+or+bupropion&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-10-04T05:28:27.208Z",
  "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": "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": "2026-10-04T05:28:27.208Z",
      "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": "NCT02582008",
      "title": "Bupropion Hydrochloride or Patient's Choice for Smoking Cessation in Patients With Squamous Cell Head and Neck Cancer Undergoing Radiation Therapy With or Without Chemotherapy",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Current Smoker",
        "Head and Neck Squamous Cell Carcinoma",
        "Hypopharyngeal Squamous Cell Carcinoma",
        "Laryngeal Squamous Cell Carcinoma",
        "Nasopharyngeal Carcinoma",
        "Oral Cavity Squamous Cell Carcinoma",
        "Oropharyngeal Squamous Cell Carcinoma"
      ],
      "interventions": [
        {
          "name": "Bupropion Hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Nicotine Replacement",
          "type": "DRUG"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Varenicline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 9,
      "start_date": "2016-01",
      "completion_date": "2019-09-06",
      "has_results": false,
      "last_update_posted_date": "2023-03-22",
      "last_synced_at": "2026-10-04T05:28:27.208Z",
      "location_count": 2,
      "location_summary": "Winston-Salem, North Carolina • Charleston, South Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        },
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02582008"
    },
    {
      "nct_id": "NCT02050308",
      "title": "Web-based Smoking Cessation Program for Tribal College Students",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Internet-All Nations Breath of Life (I-ANBL)",
          "type": "OTHER"
        },
        {
          "name": "Honoring the Gift of Heart Health",
          "type": "OTHER"
        },
        {
          "name": "Nicotine gum, Patch, or Lozenge or Zyban® or Chantix®",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG"
      ],
      "sponsor": "Won Choi, PhD, MPH",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 251,
      "start_date": "2015-05",
      "completion_date": "2019-03-31",
      "has_results": true,
      "last_update_posted_date": "2021-12-07",
      "last_synced_at": "2026-10-04T05:28:27.208Z",
      "location_count": 2,
      "location_summary": "Kansas City, Kansas • Pablo, Montana",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Kansas"
        },
        {
          "city": "Pablo",
          "state": "Montana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02050308"
    },
    {
      "nct_id": "NCT04694846",
      "title": "Effectiveness of an Enhanced Tobacco Intervention Protocol Compared to Standard Treatment in Helping Head and Neck and Lung Cancer Patients Starting Treatment to Reduce Cigarette Use",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Lung Non-Small Cell Carcinoma",
        "Head and Neck Squamous Cell Carcinoma"
      ],
      "interventions": [
        {
          "name": "Nicotine Replacement",
          "type": "DRUG"
        },
        {
          "name": "Bupropion Hydrochloride Controlled-release",
          "type": "DRUG"
        },
        {
          "name": "Varenicline",
          "type": "DRUG"
        },
        {
          "name": "Tobacco Cessation Counseling",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Quality of Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Best Practice",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Thomas Jefferson University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 19,
      "start_date": "2020-08-19",
      "completion_date": "2024-08-16",
      "has_results": false,
      "last_update_posted_date": "2025-09-09",
      "last_synced_at": "2026-10-04T05:28:27.208Z",
      "location_count": 2,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04694846"
    },
    {
      "nct_id": "NCT04798664",
      "title": "Comparing Smoking Cessation Interventions Among Underserved Patients Referred for Lung Cancer Screening",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Removal of Financial Barriers",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Financial Incentives",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Mobile Health Application",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Abramson Cancer Center at Penn Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 3228,
      "start_date": "2021-05-17",
      "completion_date": "2025-04-29",
      "has_results": true,
      "last_update_posted_date": "2026-02-25",
      "last_synced_at": "2026-10-04T05:28:27.208Z",
      "location_count": 5,
      "location_summary": "Oakland, California • Detroit, Michigan • Danville, Pennsylvania + 2 more",
      "locations": [
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "Detroit",
          "state": "Michigan"
        },
        {
          "city": "Danville",
          "state": "Pennsylvania"
        },
        {
          "city": "Lancaster",
          "state": "Pennsylvania"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04798664"
    },
    {
      "nct_id": "NCT00587353",
      "title": "Tobacco Use Intervention Among Radiation Oncology Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Tobacco Use Disorder"
      ],
      "interventions": [
        {
          "name": "Behavioral and pharmacologic tobacco use intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "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": 26,
      "start_date": "2008-01",
      "completion_date": "2009-12",
      "has_results": false,
      "last_update_posted_date": "2012-05-02",
      "last_synced_at": "2026-10-04T05:28:27.208Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00587353"
    },
    {
      "nct_id": "NCT01299896",
      "title": "Connect to Quit for Smoking",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking",
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Coordinated Care",
          "type": "OTHER"
        },
        {
          "name": "Usual Care",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 633,
      "start_date": "2011-03",
      "completion_date": "2015-02",
      "has_results": true,
      "last_update_posted_date": "2016-03-22",
      "last_synced_at": "2026-10-04T05:28:27.208Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01299896"
    },
    {
      "nct_id": "NCT01330043",
      "title": "Extended Treatment for Smoking Cessation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Bupropion",
          "type": "DRUG"
        },
        {
          "name": "Nicotine patch",
          "type": "DRUG"
        },
        {
          "name": "Varenicline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 223,
      "start_date": "2010-03",
      "completion_date": "2015-03",
      "has_results": true,
      "last_update_posted_date": "2017-08-01",
      "last_synced_at": "2026-10-04T05:28:27.208Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01330043"
    },
    {
      "nct_id": "NCT04135937",
      "title": "Mobile Evidence-Based Smoking Cessation for Veterans Living With HIV (MESH)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Human Immunodeficiency Virus",
        "Smoking"
      ],
      "interventions": [
        {
          "name": "Bupropion",
          "type": "DRUG"
        },
        {
          "name": "Varenicline",
          "type": "DRUG"
        },
        {
          "name": "Cognitive Behavioral Therapy",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Nicotine Replacement Therapy",
          "type": "DRUG"
        },
        {
          "name": "Relapse Prevention Text Messaging",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "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": 12,
      "start_date": "2019-11-18",
      "completion_date": "2021-11-10",
      "has_results": true,
      "last_update_posted_date": "2023-07-27",
      "last_synced_at": "2026-10-04T05:28:27.208Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04135937"
    },
    {
      "nct_id": "NCT03897439",
      "title": "Individualizing Pharmacotherapy for African American Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Nicotine patch",
          "type": "DRUG"
        },
        {
          "name": "Varenicline Tartrate",
          "type": "DRUG"
        },
        {
          "name": "Bupropion",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "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": 392,
      "start_date": "2019-05-01",
      "completion_date": "2022-01-30",
      "has_results": true,
      "last_update_posted_date": "2023-04-03",
      "last_synced_at": "2026-10-04T05:28:27.208Z",
      "location_count": 1,
      "location_summary": "Kansas City, Missouri",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03897439"
    }
  ]
}