{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Transdermal+placebo&page=2",
    "query": {
      "intervention": "Transdermal placebo",
      "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=Transdermal+placebo&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-25T17:04:28.349Z",
  "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": "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": "2026-09-25T17:04:28.349Z",
      "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": "NCT00531427",
      "title": "Buprenorphine Transdermal System (BTDS) in Subjects w/Mod-sev Osteoarthritis (OA) Chronic Pain of Knee",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Chronic Pain",
        "Osteoarthritis of the Knee"
      ],
      "interventions": [
        {
          "name": "Buprenorphine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Purdue Pharma LP",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 567,
      "start_date": "2007-09",
      "completion_date": "2009-11",
      "has_results": true,
      "last_update_posted_date": "2012-09-10",
      "last_synced_at": "2026-09-25T17:04:28.349Z",
      "location_count": 87,
      "location_summary": "Mobile, Alabama • Chandler, Arizona • Phoenix, Arizona + 73 more",
      "locations": [
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00531427"
    },
    {
      "nct_id": "NCT00957034",
      "title": "Assessing the Safety/Efficacy of Transdermal Testosterone in Female Patients With Symptomatic Heart Failure",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "placebo",
          "type": "DRUG"
        },
        {
          "name": "testosterone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Warner Chilcott",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "50 Years and older · Female only"
      },
      "enrollment_count": 17,
      "start_date": "2009-07",
      "completion_date": "2010-05",
      "has_results": true,
      "last_update_posted_date": "2012-01-13",
      "last_synced_at": "2026-09-25T17:04:28.349Z",
      "location_count": 16,
      "location_summary": "Phoenix, Arizona • Tucson, Arizona • Lakewood, California + 13 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Lakewood",
          "state": "California"
        },
        {
          "city": "Riverside",
          "state": "California"
        },
        {
          "city": "Stamford",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00957034"
    },
    {
      "nct_id": "NCT01519271",
      "title": "Mild Cognitive Impairment in Parkinson's Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Parkinson's Disease",
        "Mild Cognitive Impairment"
      ],
      "interventions": [
        {
          "name": "Exelon Patch (rivastigmine transdermal system)",
          "type": "DRUG"
        },
        {
          "name": "Placebo Patches",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "40 Years to 85 Years"
      },
      "enrollment_count": 28,
      "start_date": "2011-12",
      "completion_date": "2014-06",
      "has_results": true,
      "last_update_posted_date": "2017-04-07",
      "last_synced_at": "2026-09-25T17:04:28.349Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01519271"
    },
    {
      "nct_id": "NCT01259271",
      "title": "Selective Nerve Stimulation (SNS) Pilot Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Healthy",
        "Pain"
      ],
      "interventions": [
        {
          "name": "Selective Nerve Stimulation (SNS) stimulator device",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Codman & Shurtleff",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2010-11-01",
      "completion_date": "2011-02-01",
      "has_results": false,
      "last_update_posted_date": "2019-10-18",
      "last_synced_at": "2026-09-25T17:04:28.349Z",
      "location_count": 1,
      "location_summary": "Raynham, Massachusetts",
      "locations": [
        {
          "city": "Raynham",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01259271"
    },
    {
      "nct_id": "NCT00105482",
      "title": "Targeted Interventions for Weight-Concerned Smokers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Nicotine Dependence"
      ],
      "interventions": [
        {
          "name": "Naltrexone",
          "type": "DRUG"
        },
        {
          "name": "Transdermal nicotine replacement",
          "type": "DRUG"
        },
        {
          "name": "Behavioral counseling",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "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": 172,
      "start_date": "2005-01",
      "completion_date": "2009-10",
      "has_results": true,
      "last_update_posted_date": "2013-03-05",
      "last_synced_at": "2026-09-25T17:04:28.349Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00105482"
    },
    {
      "nct_id": "NCT00013585",
      "title": "Safety and Effectiveness of the Selegiline \"Patch\" for Decreased Mental Function in HIV Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Cognition Disorders",
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "Selegiline hydrochloride",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 127,
      "start_date": null,
      "completion_date": "2005-12",
      "has_results": false,
      "last_update_posted_date": "2021-11-01",
      "last_synced_at": "2026-09-25T17:04:28.349Z",
      "location_count": 15,
      "location_summary": "Los Angeles, California • San Diego, California • Honolulu, Hawaii + 10 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Honolulu",
          "state": "Hawaii"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00013585"
    },
    {
      "nct_id": "NCT00664755",
      "title": "Menstrual Cycle Effects on Smoking Cessation and Cue Reactivity",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Nicotine Dependence"
      ],
      "interventions": [
        {
          "name": "varenicline",
          "type": "DRUG"
        },
        {
          "name": "transdermal nicotine patch",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Medical University of South Carolina",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 45 Years · Female only"
      },
      "enrollment_count": 140,
      "start_date": "2007-07",
      "completion_date": "2013-12",
      "has_results": true,
      "last_update_posted_date": "2018-05-24",
      "last_synced_at": "2026-09-25T17:04:28.349Z",
      "location_count": 1,
      "location_summary": "Charleston, South Carolina",
      "locations": [
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00664755"
    },
    {
      "nct_id": "NCT03920644",
      "title": "Study of the Safety and Efficacy of DPI-386 Nasal Gel on Ocean-Going Vessels",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Prevention of Nausea Associated With Motion Sickness",
        "Treatment of Nausea Associated With Motion Sickness"
      ],
      "interventions": [
        {
          "name": "Scopolamine Transdermal Patch [Transderm Scop]",
          "type": "DRUG"
        },
        {
          "name": "Scopolamine",
          "type": "DRUG"
        },
        {
          "name": "Placebo Patch",
          "type": "DRUG"
        },
        {
          "name": "Placebo Gel",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Naval Aeromedical Research Unit, Dayton",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "59 Years",
        "sex": "ALL",
        "summary": "18 Years to 59 Years"
      },
      "enrollment_count": 320,
      "start_date": "2019-04",
      "completion_date": "2021-03",
      "has_results": false,
      "last_update_posted_date": "2019-04-19",
      "last_synced_at": "2026-09-25T17:04:28.349Z",
      "location_count": 1,
      "location_summary": "Dayton, Ohio",
      "locations": [
        {
          "city": "Dayton",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03920644"
    },
    {
      "nct_id": "NCT02552147",
      "title": "Nicotinic Cholinergic Modulation as a Novel Treatment Strategy for Aggression Associated With Autism",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Autism Spectrum Disorder",
        "Aggression",
        "Irritability"
      ],
      "interventions": [
        {
          "name": "Transdermal nicotine",
          "type": "DRUG"
        },
        {
          "name": "Transdermal placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 8,
      "start_date": "2015-09",
      "completion_date": "2017-11-17",
      "has_results": true,
      "last_update_posted_date": "2022-05-06",
      "last_synced_at": "2026-09-25T17:04:28.349Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02552147"
    }
  ]
}