{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Transdermal+estrogen",
    "query": {
      "intervention": "Transdermal estrogen"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 64,
    "total_pages": 7,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Transdermal+estrogen&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-04T03:23:13.912Z",
  "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": "2026-09-04T03:23:13.912Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02256540"
    },
    {
      "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": "2026-09-04T03:23:13.912Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02475265"
    },
    {
      "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": "2026-09-04T03:23:13.912Z",
      "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": "2026-09-04T03:23:13.912Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01928082"
    },
    {
      "nct_id": "NCT02758431",
      "title": "Cardiovascular Outcomes of Low Testosterone",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hypogonadism"
      ],
      "interventions": [
        {
          "name": "Acyline",
          "type": "DRUG"
        },
        {
          "name": "Placebo Gel",
          "type": "DRUG"
        },
        {
          "name": "Placebo Tablet",
          "type": "DRUG"
        },
        {
          "name": "Testosterone Gel",
          "type": "DRUG"
        },
        {
          "name": "Arimidex",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "MALE",
        "summary": "18 Years to 75 Years · Male only"
      },
      "enrollment_count": 232,
      "start_date": "2016-07-01",
      "completion_date": "2023-01-04",
      "has_results": false,
      "last_update_posted_date": "2024-10-10",
      "last_synced_at": "2026-09-04T03:23:13.912Z",
      "location_count": 1,
      "location_summary": "Denver, Colorado",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02758431"
    },
    {
      "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": "2026-09-04T03:23:13.912Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03815929"
    },
    {
      "nct_id": "NCT06866119",
      "title": "Effects of Estrogen on Heart Health in Women With Primary Ovarian Insufficiency",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Primary Ovarian Insufficiency",
        "Premature Menopause",
        "Metabolic Complications",
        "Endothelial Function (FMD)",
        "Estrogen Replacement Therapy"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "40 Years",
        "sex": "FEMALE",
        "summary": "30 Years to 40 Years · Female only"
      },
      "enrollment_count": 45,
      "start_date": "2026-03-01",
      "completion_date": "2026-06",
      "has_results": false,
      "last_update_posted_date": "2026-01-07",
      "last_synced_at": "2026-09-04T03:23:13.912Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06866119"
    },
    {
      "nct_id": "NCT05388656",
      "title": "Estrogen Variability and Irritability During the Menopause Transition",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Menopause",
        "Irritable Mood"
      ],
      "interventions": [
        {
          "name": "Estradiol Patch, 0.1 mg/24 Hours Weekly Transdermal Film, Extended Release",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Progesterone 200 mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "59 Years",
        "sex": "FEMALE",
        "summary": "45 Years to 59 Years · Female only"
      },
      "enrollment_count": 40,
      "start_date": "2022-06-15",
      "completion_date": "2025-01-17",
      "has_results": true,
      "last_update_posted_date": "2025-11-26",
      "last_synced_at": "2026-09-04T03:23:13.912Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05388656"
    },
    {
      "nct_id": "NCT03689543",
      "title": "Estrogen Receptor Beta and Mood",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Perimenopause-Related Depression"
      ],
      "interventions": [
        {
          "name": "Estradiol",
          "type": "DRUG"
        },
        {
          "name": "ER Beta Agonist",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        },
        {
          "name": "Provera",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "National Institute of Mental Health (NIMH)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "65 Years",
        "sex": "FEMALE",
        "summary": "45 Years to 65 Years · Female only"
      },
      "enrollment_count": 74,
      "start_date": "2019-05-23",
      "completion_date": "2024-09-09",
      "has_results": true,
      "last_update_posted_date": "2025-09-16",
      "last_synced_at": "2026-09-04T03:23:13.912Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03689543"
    },
    {
      "nct_id": "NCT07010146",
      "title": "Role of Estrogen on Skeletal Outcomes in FHA",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Bone Strength",
        "Bone Density",
        "FHA (Functional Hypothalamic Amenorrhea)"
      ],
      "interventions": [
        {
          "name": "transdermal 17β-E2 with cyclic progestin",
          "type": "DRUG"
        },
        {
          "name": "oral 17β-E2 with cyclic progestin",
          "type": "DRUG"
        },
        {
          "name": "transdermal EE+LNG",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Virginia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "30 Years",
        "sex": "FEMALE",
        "summary": "14 Years to 30 Years · Female only"
      },
      "enrollment_count": 150,
      "start_date": "2025-10-01",
      "completion_date": "2030-05-31",
      "has_results": false,
      "last_update_posted_date": "2026-07-17",
      "last_synced_at": "2026-09-04T03:23:13.912Z",
      "location_count": 2,
      "location_summary": "Charlottesville, Virginia",
      "locations": [
        {
          "city": "Charlottesville",
          "state": "Virginia"
        },
        {
          "city": "Charlottesville",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07010146"
    }
  ]
}