{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Nicotine+patches+21+mg",
    "query": {
      "intervention": "Nicotine patches 21 mg"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 120,
    "total_pages": 12,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Nicotine+patches+21+mg&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-10-01T11:33:04.335Z",
  "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": "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": "2026-10-01T11:33:04.335Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03174158"
    },
    {
      "nct_id": "NCT01480232",
      "title": "A Safety and Cognitive Function Study of EVP-6124 Versus Placebo in Subjects With Nicotine Dependence",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Nicotine Dependence",
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "EVP-6124",
          "type": "DRUG"
        },
        {
          "name": "Placebo Capsule",
          "type": "DRUG"
        },
        {
          "name": "NicoDerm Patch (Active)",
          "type": "DRUG"
        },
        {
          "name": "NRT Patch (Placebo)",
          "type": "DRUG"
        },
        {
          "name": "Brief Supportive and Behavioral Treatment",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "A. Eden Evins",
      "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": 345,
      "start_date": "2011-12",
      "completion_date": "2015-09",
      "has_results": true,
      "last_update_posted_date": "2017-04-06",
      "last_synced_at": "2026-10-01T11:33:04.335Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01480232"
    },
    {
      "nct_id": "NCT00132821",
      "title": "Impact of Smoking Cessation on Sleep - 5",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Tobacco Use Cessation",
        "Sleep Disorders"
      ],
      "interventions": [
        {
          "name": "Bupropion",
          "type": "DRUG"
        },
        {
          "name": "Transdermal Nicotine Patch",
          "type": "DRUG"
        },
        {
          "name": "Placebo Bupropion",
          "type": "DRUG"
        },
        {
          "name": "Placebo transdermal nicotine patch",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "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": 59,
      "start_date": "2005-08",
      "completion_date": "2009-05",
      "has_results": false,
      "last_update_posted_date": "2017-01-12",
      "last_synced_at": "2026-10-01T11:33:04.335Z",
      "location_count": 1,
      "location_summary": "Menlo Park, California",
      "locations": [
        {
          "city": "Menlo Park",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00132821"
    },
    {
      "nct_id": "NCT00218218",
      "title": "Effects of Transdermal Nicotine on Smoking, Craving and Withdrawal in People With Schizophrenia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Schizophrenia and Disorders With Psychotic Features",
        "Tobacco Use Disorder",
        "Schizophrenia"
      ],
      "interventions": [
        {
          "name": "Transdermal Nicotine Patch",
          "type": "DRUG"
        },
        {
          "name": "21 mg transdermal nicotine",
          "type": "DRUG"
        },
        {
          "name": "placebo patch",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute on Drug Abuse (NIDA)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 48,
      "start_date": "2002-06",
      "completion_date": "2005-02",
      "has_results": false,
      "last_update_posted_date": "2017-01-12",
      "last_synced_at": "2026-10-01T11:33:04.335Z",
      "location_count": 2,
      "location_summary": "Providence, Rhode Island",
      "locations": [
        {
          "city": "Providence",
          "state": "Rhode Island"
        },
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00218218"
    },
    {
      "nct_id": "NCT01736085",
      "title": "Providing Free Nicotine Patches to Quitline Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Telephone counseling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Voucher",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Nicotine patches",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 3706,
      "start_date": "2013-04",
      "completion_date": "2014-11",
      "has_results": true,
      "last_update_posted_date": "2020-02-19",
      "last_synced_at": "2026-10-01T11:33:04.335Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01736085"
    },
    {
      "nct_id": "NCT03178422",
      "title": "Safety and Efficacy Study of the NRT CQSS2 System for Smoking Cessation in Treatment-Seeking Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "CQSS2",
          "type": "DRUG"
        },
        {
          "name": "NicoDerm CQ Patch",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Chrono Therapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 220,
      "start_date": "2017-08-07",
      "completion_date": "2017-10-31",
      "has_results": false,
      "last_update_posted_date": "2017-12-04",
      "last_synced_at": "2026-10-01T11:33:04.335Z",
      "location_count": 5,
      "location_summary": "Mobile, Alabama • Tempe, Arizona • Lexington, Kentucky + 2 more",
      "locations": [
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Tempe",
          "state": "Arizona"
        },
        {
          "city": "Lexington",
          "state": "Kentucky"
        },
        {
          "city": "Kansas City",
          "state": "Missouri"
        },
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03178422"
    },
    {
      "nct_id": "NCT01087905",
      "title": "Improving the Population-Wide Effectiveness of U.S. Tobacco Cessation Quitlines",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Smoking",
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Nicotine patch",
          "type": "DRUG"
        },
        {
          "name": "Nicotine gum",
          "type": "DRUG"
        },
        {
          "name": "CMAC",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 987,
      "start_date": "2010-04",
      "completion_date": "2011-11",
      "has_results": true,
      "last_update_posted_date": "2016-12-08",
      "last_synced_at": "2026-10-01T11:33:04.335Z",
      "location_count": 2,
      "location_summary": "Seattle, Washington • Madison, Wisconsin",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        },
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01087905"
    },
    {
      "nct_id": "NCT06584929",
      "title": "Rural Smoking Cessation",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Nicoderm CQ nicotine patch",
          "type": "DRUG"
        },
        {
          "name": "Nicorette Nicotine Lozenges",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Masonic Cancer Center, University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 544,
      "start_date": "2026-03-17",
      "completion_date": "2029-08-31",
      "has_results": false,
      "last_update_posted_date": "2026-07-27",
      "last_synced_at": "2026-10-01T11:33:04.335Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06584929"
    },
    {
      "nct_id": "NCT02918630",
      "title": "E-cigarettes to Promote Smoking Reduction Among Individuals With Schizophrenia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Smoking"
      ],
      "interventions": [
        {
          "name": "Nicotine Patch",
          "type": "DRUG"
        },
        {
          "name": "E-cigarette",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "The University of Texas Health Science Center, Houston",
      "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": 7,
      "start_date": "2016-10",
      "completion_date": "2017-08",
      "has_results": true,
      "last_update_posted_date": "2018-07-05",
      "last_synced_at": "2026-10-01T11:33:04.335Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02918630"
    },
    {
      "nct_id": "NCT00087880",
      "title": "Maintaining Abstinence in Chronic Cigarette Smokers - 1",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Tobacco Use Disorder"
      ],
      "interventions": [
        {
          "name": "Bupropion and NRT",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute on Drug Abuse (NIDA)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 407,
      "start_date": "2002-12",
      "completion_date": "2009-09",
      "has_results": false,
      "last_update_posted_date": "2017-01-12",
      "last_synced_at": "2026-10-01T11:33:04.335Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00087880"
    }
  ]
}