{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Transdermal+patch&page=5",
    "query": {
      "intervention": "Transdermal patch",
      "page": 5
    },
    "page_size": 10
  },
  "pagination": {
    "page": 5,
    "page_size": 10,
    "total_count": 478,
    "total_pages": 48,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Transdermal+patch&page=6&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Transdermal+patch&page=4&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-22T09:11:40.047Z",
  "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": "NCT00789802",
      "title": "A Randomized Controlled Trial of Oral Naproxen and Transdermal Estradiol for Bleeding in LNG-IUC",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Contraception",
        "Bleeding"
      ],
      "interventions": [
        {
          "name": "transdermal estradiol",
          "type": "DRUG"
        },
        {
          "name": "naproxen",
          "type": "DRUG"
        },
        {
          "name": "oral placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Washington University School of Medicine",
      "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": 129,
      "start_date": "2008-11",
      "completion_date": "2011-01",
      "has_results": true,
      "last_update_posted_date": "2018-03-20",
      "last_synced_at": "2026-10-22T09:11:40.047Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00789802"
    },
    {
      "nct_id": "NCT05649241",
      "title": "QuitAid Pilot Feasibility Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Nicotine patch",
          "type": "DRUG"
        },
        {
          "name": "Nicotine gum",
          "type": "DRUG"
        },
        {
          "name": "Medication Therapy Management",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "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": 24,
      "start_date": "2021-08-31",
      "completion_date": "2022-10-19",
      "has_results": false,
      "last_update_posted_date": "2022-12-14",
      "last_synced_at": "2026-10-22T09:11:40.047Z",
      "location_count": 1,
      "location_summary": "Charlottesville, Virginia",
      "locations": [
        {
          "city": "Charlottesville",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05649241"
    },
    {
      "nct_id": "NCT01301183",
      "title": "Effects of Anorexia Nervosa on Peak Bone Mass",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Anorexia Nervosa"
      ],
      "interventions": [
        {
          "name": "RhIGF-1 with transdermal 17-beta estradiol",
          "type": "DRUG"
        },
        {
          "name": "Placebo and transdermal 17-beta estradiol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "22 Years",
        "sex": "FEMALE",
        "summary": "14 Years to 22 Years · Female only"
      },
      "enrollment_count": 75,
      "start_date": "2011-02",
      "completion_date": "2020-03",
      "has_results": true,
      "last_update_posted_date": "2021-07-13",
      "last_synced_at": "2026-10-22T09:11:40.047Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01301183"
    },
    {
      "nct_id": "NCT01569464",
      "title": "Rotigotine Effect on All-day Functioning and Quality of Life in Subjects With Moderate to Severe Restless Legs Syndrome (RLS)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Restless Legs Syndrome"
      ],
      "interventions": [
        {
          "name": "Rotigotine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "UCB Pharma",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 150,
      "start_date": "2012-03",
      "completion_date": "2013-04",
      "has_results": true,
      "last_update_posted_date": "2014-08-26",
      "last_synced_at": "2026-10-22T09:11:40.047Z",
      "location_count": 18,
      "location_summary": "Birmingham, Alabama • Jasper, Alabama • Gilbert, Arizona + 15 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Jasper",
          "state": "Alabama"
        },
        {
          "city": "Gilbert",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Oceanside",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01569464"
    },
    {
      "nct_id": "NCT03500211",
      "title": "Post-Op Lidocaine Patch",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pain, Postoperative"
      ],
      "interventions": [
        {
          "name": "Lidoderm 5 % Topical Patch",
          "type": "DRUG"
        },
        {
          "name": "Sham Topical Patch",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Oregon Health and Science University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "89 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 89 Years · Female only"
      },
      "enrollment_count": 50,
      "start_date": "2018-03-13",
      "completion_date": "2019-03-01",
      "has_results": true,
      "last_update_posted_date": "2020-03-11",
      "last_synced_at": "2026-10-22T09:11:40.047Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03500211"
    },
    {
      "nct_id": "NCT00167648",
      "title": "Neoadjuvant Estradiol or Androgen Deprivation in Clinically Localized Prostate Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Cancer",
        "Prostate Neoplasms"
      ],
      "interventions": [
        {
          "name": "Leuprolide or goserelin",
          "type": "DRUG"
        },
        {
          "name": "Transdermal estradiol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 17,
      "start_date": "2005-03",
      "completion_date": "2006-12",
      "has_results": false,
      "last_update_posted_date": "2009-01-19",
      "last_synced_at": "2026-10-22T09:11:40.047Z",
      "location_count": 2,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00167648"
    },
    {
      "nct_id": "NCT04184115",
      "title": "Nasal Gel for the Prevention and Treatment of Nausea Associated With Motion Sickness",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Motion Sickness"
      ],
      "interventions": [
        {
          "name": "DPI-386 Nasal Gel",
          "type": "DRUG"
        },
        {
          "name": "Placebos",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Repurposed Therapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "59 Years",
        "sex": "ALL",
        "summary": "18 Years to 59 Years"
      },
      "enrollment_count": 102,
      "start_date": "2019-06-09",
      "completion_date": "2019-06-11",
      "has_results": false,
      "last_update_posted_date": "2019-12-03",
      "last_synced_at": "2026-10-22T09:11:40.047Z",
      "location_count": 1,
      "location_summary": "Long Beach, California",
      "locations": [
        {
          "city": "Long Beach",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04184115"
    },
    {
      "nct_id": "NCT04423068",
      "title": "Inpatient Adolescent Contraception",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Pregnancy Related",
        "Contraception",
        "Contraceptive Usage",
        "Contraception Behavior",
        "Pregnancy"
      ],
      "interventions": [
        {
          "name": "SexHealth II",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Contraceptive",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG"
      ],
      "sponsor": "Children's Mercy Hospital Kansas City",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "21 Years",
        "sex": "FEMALE",
        "summary": "14 Years to 21 Years · Female only"
      },
      "enrollment_count": 25,
      "start_date": "2020-12-10",
      "completion_date": "2023-04-04",
      "has_results": false,
      "last_update_posted_date": "2023-04-05",
      "last_synced_at": "2026-10-22T09:11:40.047Z",
      "location_count": 1,
      "location_summary": "Kansas City, Missouri",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04423068"
    },
    {
      "nct_id": "NCT00836485",
      "title": "Evaluation of the Safety and Efficacy of Ketotifen 4.0% Patch as Compared to Placebo Patch, Olopatadine 0.2% Ophthalmic Solution, and Artificial Tears in the Conjunctival Allergen Challenge (CAC) Model of Acute Allergic Conjunctivitis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Allergic Conjunctivitis"
      ],
      "interventions": [
        {
          "name": "Ketotifen 4.0% Patch",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Olopatadine 0.2%",
          "type": "DRUG"
        },
        {
          "name": "Artificial tears",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Senju USA, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 122,
      "start_date": "2009-02",
      "completion_date": "2009-03",
      "has_results": false,
      "last_update_posted_date": "2023-08-04",
      "last_synced_at": "2026-10-22T09:11:40.047Z",
      "location_count": 1,
      "location_summary": "Andover, Massachusetts",
      "locations": [
        {
          "city": "Andover",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00836485"
    },
    {
      "nct_id": "NCT01372254",
      "title": "Behavioral Intervention for Low Income Depressed Smokers in Drug Treatment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Cigarette Smoking",
        "Drug Use"
      ],
      "interventions": [
        {
          "name": "Standard Treatment",
          "type": "BEHAVIORAL"
        },
        {
          "name": "BAD-AS",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Transdermal Nicotine Patch",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG"
      ],
      "sponsor": "University of Maryland, College Park",
      "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": 96,
      "start_date": "2011-12",
      "completion_date": "2015-05",
      "has_results": true,
      "last_update_posted_date": "2022-05-18",
      "last_synced_at": "2026-10-22T09:11:40.047Z",
      "location_count": 1,
      "location_summary": "Washington D.C., District of Columbia",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01372254"
    }
  ]
}