{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Transdermal+estradiol",
    "query": {
      "intervention": "Transdermal estradiol"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 100,
    "total_pages": 10,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Transdermal+estradiol&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-04T04:24:33.985Z",
  "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": "NCT02256540",
      "title": "The Effects of Resveratrol and Acute Exercise on Endothelial Function in Postmenopausal Women",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Endothelial Dysfunction"
      ],
      "interventions": [
        {
          "name": "Climara",
          "type": "DRUG"
        },
        {
          "name": "Placebo patch",
          "type": "DRUG"
        },
        {
          "name": "Resveratrol",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "70 Years",
        "sex": "FEMALE",
        "summary": "50 Years to 70 Years · Female only"
      },
      "enrollment_count": 25,
      "start_date": "2014-08",
      "completion_date": "2016-03-25",
      "has_results": true,
      "last_update_posted_date": "2020-03-20",
      "last_synced_at": "2026-09-04T04:24:33.985Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02256540"
    },
    {
      "nct_id": "NCT00910637",
      "title": "Study Investigating the Efficacy and Safety of a Contraceptive Patch for 13 Cycles",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Contraception"
      ],
      "interventions": [
        {
          "name": "Gestodene/EE Patch (BAY86-5016)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bayer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 45 Years · Female only"
      },
      "enrollment_count": 1502,
      "start_date": "2009-05-01",
      "completion_date": "2010-12-13",
      "has_results": false,
      "last_update_posted_date": "2021-04-08",
      "last_synced_at": "2026-09-04T04:24:33.985Z",
      "location_count": 63,
      "location_summary": "Birmingham, Alabama • Glendale, Arizona • Phoenix, Arizona + 54 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Glendale",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Carmichael",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00910637"
    },
    {
      "nct_id": "NCT02475265",
      "title": "Transdermal Estrogen in Older Premenopausal Women With Anorexia Nervosa",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Anorexia Nervosa",
        "Osteoporosis"
      ],
      "interventions": [
        {
          "name": "estradiol 0.045 mg/levonorgestrel 0.015mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "50 Years",
        "sex": "FEMALE",
        "summary": "25 Years to 50 Years · Female only"
      },
      "enrollment_count": 11,
      "start_date": "2015-07",
      "completion_date": "2018-07-30",
      "has_results": true,
      "last_update_posted_date": "2019-07-22",
      "last_synced_at": "2026-09-04T04:24:33.985Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02475265"
    },
    {
      "nct_id": "NCT05139121",
      "title": "Study of the Safety and Efficacy of MR-100A-01 in Approximately 1200 Healthy Women for up to 13 Cycles",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Contraception"
      ],
      "interventions": [
        {
          "name": "MR-100A-01",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mylan Technologies Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "16 Years and older · Female only"
      },
      "enrollment_count": 1319,
      "start_date": "2021-10-26",
      "completion_date": "2025-01-15",
      "has_results": false,
      "last_update_posted_date": "2025-01-28",
      "last_synced_at": "2026-09-04T04:24:33.985Z",
      "location_count": 96,
      "location_summary": "Mobile, Alabama • Mesa, Arizona • Phoenix, Arizona + 72 more",
      "locations": [
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05139121"
    },
    {
      "nct_id": "NCT01023178",
      "title": "Comparison of Transdermal and Oral Estrogens in Adolescent Girls With Ovarian Failure",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Ovarian Failure, Premature"
      ],
      "interventions": [
        {
          "name": "17beta Estradiol",
          "type": "DRUG"
        },
        {
          "name": "Conjugated estrogens",
          "type": "DRUG"
        },
        {
          "name": "17Beta Estradiol - transdermal",
          "type": "DRUG"
        },
        {
          "name": "Progesterone, micronized",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "18 Years",
        "sex": "FEMALE",
        "summary": "12 Years to 18 Years · Female only"
      },
      "enrollment_count": 20,
      "start_date": "2007-02",
      "completion_date": "2013-06",
      "has_results": true,
      "last_update_posted_date": "2017-01-20",
      "last_synced_at": "2026-09-04T04:24:33.985Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01023178"
    },
    {
      "nct_id": "NCT01928082",
      "title": "The Effects of Estrogen Replacement Therapy in Postmenopausal Women With Hypercalciuria and Low Bone Mass",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hypercalciuria",
        "Hypercalciuria, Familial Idiopathic",
        "Osteopenia",
        "Osteoporosis"
      ],
      "interventions": [
        {
          "name": "Transdermal estradiol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "69 Years",
        "sex": "FEMALE",
        "summary": "40 Years to 69 Years · Female only"
      },
      "enrollment_count": 1,
      "start_date": "2013-08-01",
      "completion_date": "2014-08-01",
      "has_results": true,
      "last_update_posted_date": "2018-12-10",
      "last_synced_at": "2026-09-04T04:24:33.985Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01928082"
    },
    {
      "nct_id": "NCT02922348",
      "title": "Hormone Replacement for Premature Ovarian Insufficiency",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Primary Ovarian Insufficiency"
      ],
      "interventions": [
        {
          "name": "Hormone Replacement Therapy",
          "type": "DRUG"
        },
        {
          "name": "Combined Oral Contraceptives",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "14 Years to 45 Years · Female only"
      },
      "enrollment_count": 0,
      "start_date": "2016-03-01",
      "completion_date": "2018-12-01",
      "has_results": false,
      "last_update_posted_date": "2019-07-05",
      "last_synced_at": "2026-09-04T04:24:33.985Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02922348"
    },
    {
      "nct_id": "NCT01422135",
      "title": "Pharmacokinetic Study of AG200-15 Transdermal Patch to Three Anatomical Sites in Healthy Females",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "AG200-15",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Agile Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 45 Years · Female only"
      },
      "enrollment_count": 24,
      "start_date": "2011-02",
      "completion_date": "2011-04",
      "has_results": true,
      "last_update_posted_date": "2018-12-31",
      "last_synced_at": "2026-09-04T04:24:33.985Z",
      "location_count": 2,
      "location_summary": "Lincoln, Nebraska • Neptune City, New Jersey",
      "locations": [
        {
          "city": "Lincoln",
          "state": "Nebraska"
        },
        {
          "city": "Neptune City",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01422135"
    },
    {
      "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": "2026-09-04T04:24:33.985Z",
      "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": "NCT03815929",
      "title": "Oophorectomy, Estrogen Therapy and Cardiovascular Disease Risk in Young Women",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Cardiovascular Risk Reduction"
      ],
      "interventions": [
        {
          "name": "Estradiol 100 Micrograms Patch",
          "type": "DRUG"
        },
        {
          "name": "Estradiol Patch",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "21 Years to 45 Years · Female only"
      },
      "enrollment_count": 35,
      "start_date": "2019-03-15",
      "completion_date": "2023-08-28",
      "has_results": true,
      "last_update_posted_date": "2024-10-23",
      "last_synced_at": "2026-09-04T04:24:33.985Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03815929"
    }
  ]
}