{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Transdermal+placebo+gel",
    "query": {
      "intervention": "Transdermal placebo gel"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 28,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Transdermal+placebo+gel&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-19T06:21:41.798Z",
  "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": "NCT00539305",
      "title": "Hormone and Information Processing Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Mild Cognitive Impairment",
        "Alzheimer's Disease"
      ],
      "interventions": [
        {
          "name": "testosterone gel",
          "type": "DRUG"
        },
        {
          "name": "placebo gel",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": "90 Years",
        "sex": "MALE",
        "summary": "60 Years to 90 Years · Male only"
      },
      "enrollment_count": 22,
      "start_date": "2009-07",
      "completion_date": "2012-05",
      "has_results": true,
      "last_update_posted_date": "2014-07-14",
      "last_synced_at": "2026-09-19T06:21:41.798Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00539305"
    },
    {
      "nct_id": "NCT03614663",
      "title": "Clinical Study Of caNNabidiol in childrEn and adolesCenTs With Fragile X (CONNECT-FX)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Fragile X Syndrome"
      ],
      "interventions": [
        {
          "name": "ZYN002 - Cannabidiol Transdermal Gel",
          "type": "DRUG"
        },
        {
          "name": "Placebo Transdermal Gel",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Zynerba Pharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "3 Years to 17 Years"
      },
      "enrollment_count": 212,
      "start_date": "2018-06-12",
      "completion_date": "2020-06-14",
      "has_results": true,
      "last_update_posted_date": "2022-07-06",
      "last_synced_at": "2026-09-19T06:21:41.798Z",
      "location_count": 17,
      "location_summary": "Phoenix, Arizona • Sacramento, California • Denver, Colorado + 13 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03614663"
    },
    {
      "nct_id": "NCT04272255",
      "title": "Nasal Gel Under Military Operational Conditions for the Prevention of Nausea Associated With Motion Sickness",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Motion Sickness"
      ],
      "interventions": [
        {
          "name": "scopolamine HBr",
          "type": "DRUG"
        },
        {
          "name": "Transdermal Scopolamine",
          "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": 300,
      "start_date": "2019-04-22",
      "completion_date": "2020-07",
      "has_results": false,
      "last_update_posted_date": "2020-02-17",
      "last_synced_at": "2026-09-19T06:21:41.798Z",
      "location_count": 1,
      "location_summary": "Dayton, Ohio",
      "locations": [
        {
          "city": "Dayton",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04272255"
    },
    {
      "nct_id": "NCT02349386",
      "title": "Maintaining Suppression of Testosterone With Transdermal Estradiol Gel",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Cancer of the Prostate"
      ],
      "interventions": [
        {
          "name": "BHR-200 (0.36% transdermal 17β-estradiol gel)",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "BHR Pharma, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 34,
      "start_date": "2015-07",
      "completion_date": "2018-01-10",
      "has_results": true,
      "last_update_posted_date": "2022-03-31",
      "last_synced_at": "2026-09-19T06:21:41.798Z",
      "location_count": 12,
      "location_summary": "Tucson, Arizona • Aventura, Florida • Daytona Beach, Florida + 9 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Aventura",
          "state": "Florida"
        },
        {
          "city": "Daytona Beach",
          "state": "Florida"
        },
        {
          "city": "Council Bluffs",
          "state": "Iowa"
        },
        {
          "city": "Omaha",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02349386"
    },
    {
      "nct_id": "NCT00909181",
      "title": "Study of Topically Administered Oxybutynin Gel in Patients With Urge Incontinence",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Urge Urinary Incontinence",
        "Urinary Frequency"
      ],
      "interventions": [
        {
          "name": "Oxybutynin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Antares Pharma Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 626,
      "start_date": "2009-03",
      "completion_date": "2010-11",
      "has_results": true,
      "last_update_posted_date": "2014-07-02",
      "last_synced_at": "2026-09-19T06:21:41.798Z",
      "location_count": 55,
      "location_summary": "Birmingham, Alabama • Little Rock, Arkansas • Laguna Hills, California + 50 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Laguna Hills",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00909181"
    },
    {
      "nct_id": "NCT03440112",
      "title": "Modulation of GABA-A Receptors in Parkinson Disease-Transdermal Flumazenil Arm",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Parkinson Disease"
      ],
      "interventions": [
        {
          "name": "Clarithromycin (Not used as of 4/2020)",
          "type": "DRUG"
        },
        {
          "name": "Placebo (Not used as of 4/2020)",
          "type": "DRUG"
        },
        {
          "name": "Transdermal flumazenil (Added 4/2020)",
          "type": "DRUG"
        },
        {
          "name": "Placebo (Added 4/2020)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Nicolaas Bohnen, MD, PhD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 34,
      "start_date": "2018-01-29",
      "completion_date": "2021-12-08",
      "has_results": true,
      "last_update_posted_date": "2023-01-10",
      "last_synced_at": "2026-09-19T06:21:41.798Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03440112"
    },
    {
      "nct_id": "NCT00490555",
      "title": "PROS-1-Male Hormonal Contraceptive Regimens on Prostate Tissue",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Testosterone gel",
          "type": "DRUG"
        },
        {
          "name": "Dutasteride",
          "type": "DRUG"
        },
        {
          "name": "Depo-Medroxyprogesterone (DMPA)",
          "type": "DRUG"
        },
        {
          "name": "Placebo Testosterone gel",
          "type": "OTHER"
        },
        {
          "name": "Placebo dutasteride",
          "type": "OTHER"
        },
        {
          "name": "Placebo DMPA",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "55 Years",
        "sex": "MALE",
        "summary": "25 Years to 55 Years · Male only"
      },
      "enrollment_count": 32,
      "start_date": "2009-01",
      "completion_date": "2012-03",
      "has_results": true,
      "last_update_posted_date": "2013-11-15",
      "last_synced_at": "2026-09-19T06:21:41.798Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00490555"
    },
    {
      "nct_id": "NCT02993159",
      "title": "Testing an Active Form of Tamoxifen (4-hydroxytamoxifen) Delivered Through Breast Skin to Control Ductal Carcinoma in Situ (DCIS) of the Breast",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Ductal Breast Carcinoma In Situ",
        "Estrogen Receptor Positive"
      ],
      "interventions": [
        {
          "name": "Afimoxifene",
          "type": "DRUG"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        },
        {
          "name": "Tamoxifen Citrate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Northwestern 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": 100,
      "start_date": "2017-05-31",
      "completion_date": "2022-01-24",
      "has_results": true,
      "last_update_posted_date": "2024-12-18",
      "last_synced_at": "2026-09-19T06:21:41.798Z",
      "location_count": 6,
      "location_summary": "Chicago, Illinois • Edgewood, Kentucky • Rochester, Minnesota + 3 more",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Edgewood",
          "state": "Kentucky"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02993159"
    },
    {
      "nct_id": "NCT00345969",
      "title": "Exercise and Testosterone Therapy in Elderly Men With Physical Frailty",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Physical Frailty",
        "Hip Fracture",
        "Elective Hip Replacement",
        "Hypogonadism"
      ],
      "interventions": [
        {
          "name": "Transdermal Testosterone gel (1%)",
          "type": "DRUG"
        },
        {
          "name": "Supervised exercise training",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "65 Years and older · Male only"
      },
      "enrollment_count": 25,
      "start_date": "2004-11",
      "completion_date": "2009-08",
      "has_results": true,
      "last_update_posted_date": "2018-02-22",
      "last_synced_at": "2026-09-19T06:21:41.798Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00345969"
    },
    {
      "nct_id": "NCT06856174",
      "title": "Menopausal HT for Women Living With HIV (HoT)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "HIV Infection",
        "Menopause"
      ],
      "interventions": [
        {
          "name": "Transdermal estradiol gel",
          "type": "DRUG"
        },
        {
          "name": "Micronized Progesterone",
          "type": "DRUG"
        },
        {
          "name": "Placebo for estradiol gel",
          "type": "DRUG"
        },
        {
          "name": "Placebo for micronized progesterone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Advancing Clinical Therapeutics Globally for HIV/AIDS and Other Infections",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "60 Years",
        "sex": "FEMALE",
        "summary": "40 Years to 60 Years · Female only"
      },
      "enrollment_count": 105,
      "start_date": "2026-04-09",
      "completion_date": "2027-09-20",
      "has_results": false,
      "last_update_posted_date": "2026-05-22",
      "last_synced_at": "2026-09-19T06:21:41.798Z",
      "location_count": 23,
      "location_summary": "Birmingham, Alabama • Los Angeles, California • San Diego, California + 18 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Torrance",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06856174"
    }
  ]
}