{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=21+days+of+Tobacco+Cessation",
    "query": {
      "intervention": "21 days of Tobacco Cessation"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 65,
    "total_pages": 7,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=21+days+of+Tobacco+Cessation&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-10-07T09:18:24.621Z",
  "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": "NCT02927847",
      "title": "Neuroimaging Reward, Behavioral Treatment, and Smoking Cessation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Smoking"
      ],
      "interventions": [
        {
          "name": "Nicotine Patch",
          "type": "DRUG"
        },
        {
          "name": "SPECTRUM Nicotine Research Cigarettes (.03 mg)",
          "type": "DRUG"
        },
        {
          "name": "Behavioral Activation",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Supportive Counseling",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "Maggie M Sweitzer, PhD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 35,
      "start_date": "2017-02-01",
      "completion_date": "2022-05-27",
      "has_results": true,
      "last_update_posted_date": "2022-06-28",
      "last_synced_at": "2026-10-07T09:18:24.621Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02927847"
    },
    {
      "nct_id": "NCT01368653",
      "title": "Evaluation of Learning-Theory-Based Smoking Cessation Strategies",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Nicotine Dependence"
      ],
      "interventions": [
        {
          "name": "Standard treatment",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Standard treatment+practice quitting",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Very low nicotine cigarettes",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG"
      ],
      "sponsor": "Rutgers University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 93,
      "start_date": "2012-06",
      "completion_date": "2013-08",
      "has_results": true,
      "last_update_posted_date": "2022-04-27",
      "last_synced_at": "2026-10-07T09:18:24.621Z",
      "location_count": 1,
      "location_summary": "New Brunswick, New Jersey",
      "locations": [
        {
          "city": "New Brunswick",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01368653"
    },
    {
      "nct_id": "NCT00307203",
      "title": "Safety and Effectiveness of Sustained Release Bupropion in Treating Individuals With Schizophrenia Who Smoke",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Tobacco-Use Disorder",
        "Schizophrenia",
        "Psychotic Disorders"
      ],
      "interventions": [
        {
          "name": "bupropion SR",
          "type": "DRUG"
        },
        {
          "name": "Cognitive Behavioral Group Therapy",
          "type": "BEHAVIORAL"
        },
        {
          "name": "nicotine replacement therapy",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "National Institute on Drug Abuse (NIDA)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 51,
      "start_date": "1998-08",
      "completion_date": "2004-02",
      "has_results": false,
      "last_update_posted_date": "2017-01-11",
      "last_synced_at": "2026-10-07T09:18:24.621Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00307203"
    },
    {
      "nct_id": "NCT07694492",
      "title": "Feasibility of a Medical-Legal Partnership Model to Connect Coal Miners QuitAid",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Use Cessation",
        "Tobacco Use Disorder",
        "Nicotine Dependence",
        "Smokeless Tobacco Use"
      ],
      "interventions": [
        {
          "name": "QuitAid (pharmacist-delivered MTM)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Nicotine Replacement Therapy (NRT)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG"
      ],
      "sponsor": "University of Virginia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 120,
      "start_date": "2026-09-01",
      "completion_date": "2027-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-07-10",
      "last_synced_at": "2026-10-07T09:18:24.621Z",
      "location_count": 1,
      "location_summary": "Charlottesville, Virginia",
      "locations": [
        {
          "city": "Charlottesville",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07694492"
    },
    {
      "nct_id": "NCT03766971",
      "title": "Influence of Tobacco Use on Cannabis Use",
      "overall_status": "SUSPENDED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Cannabis Use",
        "Tobacco Use"
      ],
      "interventions": [
        {
          "name": "7 days of Tobacco Cessation",
          "type": "BEHAVIORAL"
        },
        {
          "name": "21 days of Tobacco Cessation",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Cannabis",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG"
      ],
      "sponsor": "New York State Psychiatric Institute",
      "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": 160,
      "start_date": "2020-02-01",
      "completion_date": "2028-11-30",
      "has_results": false,
      "last_update_posted_date": "2026-09-01",
      "last_synced_at": "2026-10-07T09:18:24.621Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03766971"
    },
    {
      "nct_id": "NCT03174158",
      "title": "A Text Messaging Program for Smokers in Primary Care",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Mailed nicotine replacement therapy",
          "type": "DRUG"
        },
        {
          "name": "Text messaging",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Brief advice",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "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": 153,
      "start_date": "2017-11-06",
      "completion_date": "2019-02-28",
      "has_results": true,
      "last_update_posted_date": "2020-02-07",
      "last_synced_at": "2026-10-07T09:18:24.621Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03174158"
    },
    {
      "nct_id": "NCT02162849",
      "title": "Reward Sensitivity and Pharmacotherapy for Smoking Cessation",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Tobacco Use Cessation"
      ],
      "interventions": [
        {
          "name": "Varenicline",
          "type": "DRUG"
        },
        {
          "name": "Nicotine Patch",
          "type": "DRUG"
        },
        {
          "name": "Placebo Patch",
          "type": "DRUG"
        },
        {
          "name": "Placebo Tablet",
          "type": "DRUG"
        },
        {
          "name": "Questionnaires",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Counseling Sessions",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Lab Session",
          "type": "OTHER"
        },
        {
          "name": "Saliva Test",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 204,
      "start_date": "2015-12-14",
      "completion_date": "2028-02-28",
      "has_results": false,
      "last_update_posted_date": "2026-07-16",
      "last_synced_at": "2026-10-07T09:18:24.621Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02162849"
    },
    {
      "nct_id": "NCT03276208",
      "title": "Pregnancy, Mindfulness, and Massage",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Use",
        "Pregnancy Related"
      ],
      "interventions": [
        {
          "name": "Prenatal Massage",
          "type": "OTHER"
        },
        {
          "name": "Mindfulness",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 12,
      "start_date": "2017-11-27",
      "completion_date": "2020-01-24",
      "has_results": false,
      "last_update_posted_date": "2020-01-29",
      "last_synced_at": "2026-10-07T09:18:24.621Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03276208"
    },
    {
      "nct_id": "NCT06173778",
      "title": "Semaglutide for Post-Smoking Cessation Weight Management",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Obesity",
        "Overweight",
        "Cigarette Smoking"
      ],
      "interventions": [
        {
          "name": "semaglutide 2.4mg",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Nicotine Replacement Therapy (NRT, nicotine patch)",
          "type": "DRUG"
        },
        {
          "name": "Brief Smoking Cessation Counseling",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "The University of Texas Health Science Center, Houston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 197,
      "start_date": "2024-04-23",
      "completion_date": "2028-06-25",
      "has_results": false,
      "last_update_posted_date": "2026-09-21",
      "last_synced_at": "2026-10-07T09:18:24.621Z",
      "location_count": 2,
      "location_summary": "Austin, Texas • Houston, Texas",
      "locations": [
        {
          "city": "Austin",
          "state": "Texas"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06173778"
    },
    {
      "nct_id": "NCT01328431",
      "title": "Treating Low-Income Smokers in the Hospital Emergency Department",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Use Cessation",
        "Smoking Cessation",
        "Smoking",
        "Tobacco Use Disorder"
      ],
      "interventions": [
        {
          "name": "Brief Intervention with NRT Initiation",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "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": 780,
      "start_date": "2010-10",
      "completion_date": "2014-01",
      "has_results": true,
      "last_update_posted_date": "2014-08-04",
      "last_synced_at": "2026-10-07T09:18:24.621Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01328431"
    }
  ]
}