{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Varenicline+0.5mg+BID&page=2",
    "query": {
      "intervention": "Varenicline 0.5mg BID",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 33,
    "total_pages": 4,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Varenicline+0.5mg+BID&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Varenicline+0.5mg+BID&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-08T11:35:30.591Z",
  "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": "NCT00948649",
      "title": "Effects of Chantix on Relapse Prevention for Smoking Cessation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Nicotine Dependence"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Varenicline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Pennsylvania",
      "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": 62,
      "start_date": "2006-09",
      "completion_date": "2007-09",
      "has_results": false,
      "last_update_posted_date": "2010-08-17",
      "last_synced_at": "2026-10-08T11:35:30.591Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00948649"
    },
    {
      "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": "2026-10-08T11:35:30.591Z",
      "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": "NCT00921388",
      "title": "Exercise or Relaxation for Smoking Cessation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Nicotine Dependence",
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Varenicline and smoking cessation counseling",
          "type": "OTHER"
        },
        {
          "name": "Exercise or relaxation treatment",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BEHAVIORAL"
      ],
      "sponsor": "UConn Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "45 Years and older · Female only"
      },
      "enrollment_count": 301,
      "start_date": "2009-03",
      "completion_date": "2017-08-29",
      "has_results": false,
      "last_update_posted_date": "2017-10-31",
      "last_synced_at": "2026-10-08T11:35:30.591Z",
      "location_count": 2,
      "location_summary": "Farmington, Connecticut • Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Farmington",
          "state": "Connecticut"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00921388"
    },
    {
      "nct_id": "NCT01010204",
      "title": "Varenicline Treatment for Smoking Cessation in Patients With Bipolar Disorder",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Smoking Cessation",
        "Bipolar Disorder"
      ],
      "interventions": [
        {
          "name": "Varenicline",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "K.N. Roy Chengappa",
      "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": 60,
      "start_date": "2010-01",
      "completion_date": "2013-03",
      "has_results": true,
      "last_update_posted_date": "2017-12-04",
      "last_synced_at": "2026-10-08T11:35:30.591Z",
      "location_count": 2,
      "location_summary": "DuBois, Pennsylvania • Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "DuBois",
          "state": "Pennsylvania"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01010204"
    },
    {
      "nct_id": "NCT05294263",
      "title": "Varenicline for the Treatment of Cannabis and Tobacco Use Disorders in Veterans",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Tobacco Use Disorder",
        "Cannabis Use Disorder"
      ],
      "interventions": [
        {
          "name": "Varenicline",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "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": 0,
      "start_date": "2023-04-17",
      "completion_date": "2024-07-17",
      "has_results": false,
      "last_update_posted_date": "2024-08-27",
      "last_synced_at": "2026-10-08T11:35:30.591Z",
      "location_count": 1,
      "location_summary": "Charleston, South Carolina",
      "locations": [
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05294263"
    },
    {
      "nct_id": "NCT01710137",
      "title": "Varenicline for Nicotine Dependence Among Those With HIV/AIDS",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Nicotine Dependence"
      ],
      "interventions": [
        {
          "name": "Varenicline",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Smoking Cessation Counseling",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 179,
      "start_date": "2012-10",
      "completion_date": "2018-09",
      "has_results": true,
      "last_update_posted_date": "2019-09-18",
      "last_synced_at": "2026-10-08T11:35:30.591Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01710137"
    },
    {
      "nct_id": "NCT02151591",
      "title": "New Approaches to Smoking Cessation in Heavy Drinkers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Nicotine Dependence",
        "Cigarette Smoking",
        "Alcohol Consumption",
        "Heavy Drinking"
      ],
      "interventions": [
        {
          "name": "Varenicline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Yale University",
      "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": 26,
      "start_date": "2017-03-01",
      "completion_date": "2018-08-01",
      "has_results": true,
      "last_update_posted_date": "2020-02-24",
      "last_synced_at": "2026-10-08T11:35:30.591Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02151591"
    },
    {
      "nct_id": "NCT01436474",
      "title": "Pilot Study of Varenicline to Treat Opioid Dependence",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Chronic Pain",
        "Opioid Dependence"
      ],
      "interventions": [
        {
          "name": "Varenicline",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 21,
      "start_date": "2011-06",
      "completion_date": "2012-12",
      "has_results": false,
      "last_update_posted_date": "2013-01-23",
      "last_synced_at": "2026-10-08T11:35:30.591Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01436474"
    },
    {
      "nct_id": "NCT02854800",
      "title": "Smoking Cessation & Opioid Dependence Treatment Integration",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Smoking Cessation",
        "Opioid Related Disorders"
      ],
      "interventions": [
        {
          "name": "varenicline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "West Virginia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 74,
      "start_date": "2016-07-08",
      "completion_date": "2017-04-10",
      "has_results": true,
      "last_update_posted_date": "2020-08-14",
      "last_synced_at": "2026-10-08T11:35:30.591Z",
      "location_count": 1,
      "location_summary": "Morgantown, West Virginia",
      "locations": [
        {
          "city": "Morgantown",
          "state": "West Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02854800"
    },
    {
      "nct_id": "NCT05541497",
      "title": "Varenicline for Treatment of E-cigarette Dependence",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Varenicline Tartrate",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2022-11-04",
      "completion_date": "2023-09-01",
      "has_results": true,
      "last_update_posted_date": "2024-12-02",
      "last_synced_at": "2026-10-08T11:35:30.591Z",
      "location_count": 2,
      "location_summary": "New Haven, Connecticut • Charleston, South Carolina",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05541497"
    }
  ]
}