{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Chantix&page=2",
    "query": {
      "intervention": "Chantix",
      "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=Chantix&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-15T15:47:40.535Z",
  "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": "NCT01162239",
      "title": "Maintaining Nonsmoking",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Nicotine Dependence"
      ],
      "interventions": [
        {
          "name": "Varenicline",
          "type": "DRUG"
        },
        {
          "name": "Initial Individual counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Check-ins with medical staff",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Extended Individual Counseling - Health Model",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Extended Individual Counseling - Relapse Prevention Model",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 216,
      "start_date": "2010-05",
      "completion_date": "2016-06",
      "has_results": true,
      "last_update_posted_date": "2020-11-12",
      "last_synced_at": "2026-09-15T15:47:40.535Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01162239"
    },
    {
      "nct_id": "NCT03521141",
      "title": "PRecision Interventions for SMoking in the SCCS",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Tobacco Use Cessation"
      ],
      "interventions": [
        {
          "name": "Nicotine patch",
          "type": "DRUG"
        },
        {
          "name": "Varenicline",
          "type": "DRUG"
        },
        {
          "name": "Nicotine metabolism",
          "type": "GENETIC"
        },
        {
          "name": "Genetically-informed lung cancer risk score",
          "type": "GENETIC"
        },
        {
          "name": "NCI \"Clearing the Air\"",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "GENETIC",
        "BEHAVIORAL"
      ],
      "sponsor": "Vanderbilt University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 67,
      "start_date": "2018-05-18",
      "completion_date": "2019-04-25",
      "has_results": true,
      "last_update_posted_date": "2020-06-01",
      "last_synced_at": "2026-09-15T15:47:40.535Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03521141"
    },
    {
      "nct_id": "NCT06966362",
      "title": "Varenicline for Smoking Reduction in Veterans Not Ready To Quit",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Veterans",
        "Tobacco Use Disorder",
        "Cigarette Smoking",
        "Tobacco Dependence"
      ],
      "interventions": [
        {
          "name": "Motivation-Phase Varenicline",
          "type": "DRUG"
        },
        {
          "name": "Motivation-Phase Nicotine Mini-Lozenge",
          "type": "DRUG"
        },
        {
          "name": "Cessation-Phase Combination Nicotine Replacement Therapy (NRT)",
          "type": "DRUG"
        },
        {
          "name": "Cessation-Phase Varenicline",
          "type": "DRUG"
        },
        {
          "name": "Motivation-Phase Counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Cessation-Phase Counseling",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 400,
      "start_date": "2026-08-17",
      "completion_date": "2030-06-28",
      "has_results": false,
      "last_update_posted_date": "2026-08-31",
      "last_synced_at": "2026-09-15T15:47:40.535Z",
      "location_count": 4,
      "location_summary": "San Diego, California • Minneapolis, Minnesota • Durham, North Carolina + 1 more",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06966362"
    },
    {
      "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": "2026-09-15T15:47:40.535Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04135937"
    },
    {
      "nct_id": "NCT00709696",
      "title": "Human Laboratory Study Of Varenicline in Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Nicotine Dependence"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Varenicline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 7,
      "start_date": "2008-04",
      "completion_date": "2009-12",
      "has_results": true,
      "last_update_posted_date": "2017-12-27",
      "last_synced_at": "2026-09-15T15:47:40.535Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00709696"
    },
    {
      "nct_id": "NCT01898195",
      "title": "Improving Adherence to Smoking Cessation Medication Among PLWHA",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Use Cessation"
      ],
      "interventions": [
        {
          "name": "Varenicline",
          "type": "DRUG"
        },
        {
          "name": "Text Message",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Adherence Behavioral Therapy",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "NYU Langone Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 158,
      "start_date": "2013-03",
      "completion_date": "2014-12",
      "has_results": true,
      "last_update_posted_date": "2017-08-18",
      "last_synced_at": "2026-09-15T15:47:40.535Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01898195"
    },
    {
      "nct_id": "NCT00141206",
      "title": "A Twelve-Week Study of Varenicline for Safety and Efficacy in Comparison With Placebo and Zyban for Smoking Cessation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "varenicline (CP-526,555)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 1005,
      "start_date": "2003-05",
      "completion_date": "2005-04",
      "has_results": false,
      "last_update_posted_date": "2007-06-04",
      "last_synced_at": "2026-09-15T15:47:40.535Z",
      "location_count": 20,
      "location_summary": "Tucson, Arizona • Los Angeles, California • Newport Beach, California + 17 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Newport Beach",
          "state": "California"
        },
        {
          "city": "Riverside",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00141206"
    },
    {
      "nct_id": "NCT00548470",
      "title": "Varenicline Effects In Schizophrenic Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Schizophrenia",
        "Tobacco Use Disorder",
        "Nicotine Dependance"
      ],
      "interventions": [
        {
          "name": "Varenicline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Nathan Kline Institute for Psychiatric Research",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 14,
      "start_date": "2007-06",
      "completion_date": "2010-12",
      "has_results": true,
      "last_update_posted_date": "2018-09-20",
      "last_synced_at": "2026-09-15T15:47:40.535Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00548470"
    },
    {
      "nct_id": "NCT01772641",
      "title": "A Smoking Intervention Study Using Scheduled Gradual Reduction With Varenicline to Help With Cessation",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Nicotine Addiction"
      ],
      "interventions": [
        {
          "name": "Scheduled Gradual Reduction + Varenicline",
          "type": "OTHER"
        },
        {
          "name": "Scheduled Gradual Reduction + Placebo Drug",
          "type": "OTHER"
        },
        {
          "name": "Basic Advice + Varenicline",
          "type": "OTHER"
        },
        {
          "name": "Basic Advice + Placebo Drug",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Icahn School of Medicine at Mount Sinai",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 32,
      "start_date": "2012-12",
      "completion_date": "2014-01",
      "has_results": false,
      "last_update_posted_date": "2016-03-16",
      "last_synced_at": "2026-09-15T15:47:40.535Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01772641"
    },
    {
      "nct_id": "NCT07171112",
      "title": "Smoking Cessation Trial in Recurrent Acute Pancreatitis and Chronic Pancreatitis",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Pancreatitis, Chronic",
        "Pancreatitis, Acute",
        "Recurrent Acute Pancreatitis",
        "Smoking (Tobacco) Addiction"
      ],
      "interventions": [
        {
          "name": "Standard Varenicline Dosing (1 mg BID)",
          "type": "DRUG"
        },
        {
          "name": "Bupropion 150 mg twice daily",
          "type": "DRUG"
        },
        {
          "name": "Increased Varenicline Dosing (1mg TID)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "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": 0,
      "start_date": "2025-11-06",
      "completion_date": "2026-07-02",
      "has_results": false,
      "last_update_posted_date": "2026-07-07",
      "last_synced_at": "2026-09-15T15:47:40.535Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07171112"
    }
  ]
}