{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Smoking+counseling",
    "query": {
      "intervention": "Smoking counseling"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 597,
    "total_pages": 60,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Smoking+counseling&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-23T16:53:59.225Z",
  "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": "NCT06051474",
      "title": "Treating Caregivers Who Smoke at AFCH",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Smoking",
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Nicotine Replacement Product",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 23,
      "start_date": "2024-03-05",
      "completion_date": "2025-04-18",
      "has_results": true,
      "last_update_posted_date": "2026-04-16",
      "last_synced_at": "2026-09-23T16:53:59.225Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06051474"
    },
    {
      "nct_id": "NCT04020718",
      "title": "Engagement With an Adaptive Mobile Health Smoking Cessation Intervention",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Tobacco Use Cessation"
      ],
      "interventions": [
        {
          "name": "Brief telephone advice plus tailored text messages",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Mailed nicotine replacement therapy",
          "type": "DRUG"
        },
        {
          "name": "Proactive telephone coaching",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 35,
      "start_date": "2020-01-31",
      "completion_date": "2020-11-30",
      "has_results": true,
      "last_update_posted_date": "2022-03-10",
      "last_synced_at": "2026-09-23T16:53:59.225Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04020718"
    },
    {
      "nct_id": "NCT04176172",
      "title": "Optimizing Tobacco Use Treatment for PLWHA",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "HIV/AIDS",
        "Nicotine Dependence"
      ],
      "interventions": [
        {
          "name": "Varenicline",
          "type": "DRUG"
        },
        {
          "name": "Nicotine patch",
          "type": "DRUG"
        },
        {
          "name": "Standard treatment",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Standard treatment + Managed Problem Solving (MAPS) adherence intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "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": 340,
      "start_date": "2020-02-17",
      "completion_date": "2026-11-30",
      "has_results": false,
      "last_update_posted_date": "2026-09-04",
      "last_synced_at": "2026-09-23T16:53:59.225Z",
      "location_count": 2,
      "location_summary": "Chicago, Illinois • Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04176172"
    },
    {
      "nct_id": "NCT00107575",
      "title": "Improving Smoking Cessation Outcomes in Heavy Drinkers - 1",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Tobacco Use Disorder"
      ],
      "interventions": [
        {
          "name": "Standard treatment plus brief alcohol intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Standard treatment (ST)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Brown University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "95 Years",
        "sex": "ALL",
        "summary": "18 Years to 95 Years"
      },
      "enrollment_count": 236,
      "start_date": "2003-08",
      "completion_date": "2008-04",
      "has_results": true,
      "last_update_posted_date": "2016-10-26",
      "last_synced_at": "2026-09-23T16:53:59.225Z",
      "location_count": 1,
      "location_summary": "Providence, Rhode Island",
      "locations": [
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00107575"
    },
    {
      "nct_id": "NCT06544811",
      "title": "American Indian Smokefree Native RCT",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Smoking Cessation Program",
          "type": "OTHER"
        },
        {
          "name": "Cultural Smoking Cessation Program",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Masonic Cancer Center, University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 416,
      "start_date": "2025-04-14",
      "completion_date": "2029-10-01",
      "has_results": false,
      "last_update_posted_date": "2026-07-08",
      "last_synced_at": "2026-09-23T16:53:59.225Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06544811"
    },
    {
      "nct_id": "NCT02997657",
      "title": "Positive Psychotherapy for Smoking Cessation Enhanced With Text Messaging: A Randomized Controlled Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Positive Psychotherapy",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Standard smoking cessation counseling",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Brown University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 271,
      "start_date": "2016-09",
      "completion_date": "2021-11-15",
      "has_results": true,
      "last_update_posted_date": "2023-03-01",
      "last_synced_at": "2026-09-23T16:53:59.225Z",
      "location_count": 2,
      "location_summary": "Boston, Massachusetts • Providence, Rhode Island",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02997657"
    },
    {
      "nct_id": "NCT00835900",
      "title": "An Alternative Dosing Schedule of Varenicline for Smoking Cessation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "varenicline",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Roswell Park Cancer Institute",
      "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": 60,
      "start_date": "2009-03",
      "completion_date": "2015-07",
      "has_results": true,
      "last_update_posted_date": "2017-05-30",
      "last_synced_at": "2026-09-23T16:53:59.225Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00835900"
    },
    {
      "nct_id": "NCT03442530",
      "title": "Tobacco Use in Pregnancy Intervention for Cessation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pregnancy"
      ],
      "interventions": [
        {
          "name": "ToPIC",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Tobacco Treatment As Usual (TTAU)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Kristin Ashford",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "44 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 44 Years · Female only"
      },
      "enrollment_count": 66,
      "start_date": "2018-01-22",
      "completion_date": "2019-02-15",
      "has_results": false,
      "last_update_posted_date": "2020-03-25",
      "last_synced_at": "2026-09-23T16:53:59.225Z",
      "location_count": 1,
      "location_summary": "Lexington, Kentucky",
      "locations": [
        {
          "city": "Lexington",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03442530"
    },
    {
      "nct_id": "NCT02351167",
      "title": "Genetically Informed Smoking Cessation Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Combination NRT (Nicotine patch, Nicotine lozenge)",
          "type": "DRUG"
        },
        {
          "name": "Varenicline",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Intensive smoking counseling",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 822,
      "start_date": "2015-05-20",
      "completion_date": "2019-08-31",
      "has_results": true,
      "last_update_posted_date": "2020-09-22",
      "last_synced_at": "2026-09-23T16:53:59.225Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02351167"
    },
    {
      "nct_id": "NCT00534001",
      "title": "Bupropion in Helping Adults Stop Smoking",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Bladder Cancer",
        "Cervical Cancer",
        "Esophageal Cancer",
        "Gastric Cancer",
        "Head and Neck Cancer",
        "Kidney Cancer",
        "Leukemia",
        "Liver Cancer",
        "Lung Cancer",
        "Pancreatic Cancer",
        "Tobacco Use Disorder"
      ],
      "interventions": [
        {
          "name": "bupropion hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Roswell Park Cancer Institute",
      "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": 95,
      "start_date": "2006-01",
      "completion_date": "2015-07",
      "has_results": true,
      "last_update_posted_date": "2017-05-30",
      "last_synced_at": "2026-09-23T16:53:59.225Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00534001"
    }
  ]
}