{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Use+of+topical+estradiol",
    "query": {
      "intervention": "Use of topical estradiol"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 7,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-19T18:15:00.536Z",
  "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": "NCT06969326",
      "title": "Topical Estrogen: Brief Intervention to Improve Postoperative Experience for Transgender Men Undergoing Hysterectomy",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Postoperative Bleeding",
        "Gender Dysphoria",
        "Hysterectomy"
      ],
      "interventions": [
        {
          "name": "Use of topical estradiol",
          "type": "DRUG"
        },
        {
          "name": "No intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Women and Infants Hospital of Rhode Island",
      "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": 48,
      "start_date": "2025-05-01",
      "completion_date": "2026-12-01",
      "has_results": false,
      "last_update_posted_date": "2025-05-13",
      "last_synced_at": "2026-09-19T18:15:00.536Z",
      "location_count": 1,
      "location_summary": "Providence, Rhode Island",
      "locations": [
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06969326"
    },
    {
      "nct_id": "NCT07260825",
      "title": "Use of Topical Testosterone and Estrogen vs Estrogen Alone in Vulvodynia: a Randomized Controlled Trial",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Vulvodynia",
        "Dyspareunia",
        "Lichen Sclerosus of Vulva"
      ],
      "interventions": [
        {
          "name": "Estradiol 0.01% Vag Cream",
          "type": "DRUG"
        },
        {
          "name": "testosterone 0.1% and estradiol 0.01% vaginal cream",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "TriHealth Inc.",
      "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": 44,
      "start_date": "2025-12",
      "completion_date": "2026-08",
      "has_results": false,
      "last_update_posted_date": "2025-12-03",
      "last_synced_at": "2026-09-19T18:15:00.536Z",
      "location_count": 2,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07260825"
    },
    {
      "nct_id": "NCT00565916",
      "title": "Evaluating the Roles of Estrogen and Progesterone in Heart Metabolism",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Postmenopausal Syndrome"
      ],
      "interventions": [
        {
          "name": "Estrogen",
          "type": "DRUG"
        },
        {
          "name": "Progesterone",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": "75 Years",
        "sex": "FEMALE",
        "summary": "55 Years to 75 Years · Female only"
      },
      "enrollment_count": 22,
      "start_date": "2004-08",
      "completion_date": "2008-01",
      "has_results": true,
      "last_update_posted_date": "2018-10-16",
      "last_synced_at": "2026-09-19T18:15:00.536Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00565916"
    },
    {
      "nct_id": "NCT01886794",
      "title": "Hormonal Status on Blood Flow and Tissue in Pelvic Organ Prolapse",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pelvic Floor Disorders"
      ],
      "interventions": [
        {
          "name": "Postmenopausal, topical vaginal estrogen cream",
          "type": "DRUG"
        },
        {
          "name": "Placebo Comparator: Postmenopausal, topical placebo cream",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "The University of Texas Medical Branch, Galveston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "70 Years",
        "sex": "FEMALE",
        "summary": "21 Years to 70 Years · Female only"
      },
      "enrollment_count": 7,
      "start_date": "2013-06-06",
      "completion_date": "2023-12-11",
      "has_results": true,
      "last_update_posted_date": "2025-10-29",
      "last_synced_at": "2026-09-19T18:15:00.536Z",
      "location_count": 1,
      "location_summary": "Galveston, Texas",
      "locations": [
        {
          "city": "Galveston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01886794"
    },
    {
      "nct_id": "NCT01613131",
      "title": "Mirena and Estrogen for Control of Perimenopause Symptoms and Ovulation Suppression",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Menopausal and Other Perimenopausal Disorders"
      ],
      "interventions": [
        {
          "name": "Mirena",
          "type": "DRUG"
        },
        {
          "name": "Estradiol",
          "type": "DRUG"
        },
        {
          "name": "Placebo Gel",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "52 Years",
        "sex": "FEMALE",
        "summary": "40 Years to 52 Years · Female only"
      },
      "enrollment_count": 39,
      "start_date": "2012-04",
      "completion_date": "2014-06",
      "has_results": true,
      "last_update_posted_date": "2015-12-02",
      "last_synced_at": "2026-09-19T18:15:00.536Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01613131"
    },
    {
      "nct_id": "NCT07526948",
      "title": "Vaginal Estradiol vs Moisturizer to Improve Postmenopausal Vaginal Aging Symptoms and the Microbiome in Women Living With HIV",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Menopausal Complaints",
        "Vaginal Atrophy",
        "Genitourinary Symptoms",
        "HIV (Human Immunodeficiency Virus)",
        "Menopause Related Conditions",
        "Vaginitis",
        "Perimenopause"
      ],
      "interventions": [
        {
          "name": "Vaginal estradiol tablets",
          "type": "DRUG"
        },
        {
          "name": "Vaginal moisturizer",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Albert Einstein College of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "70 Years",
        "sex": "FEMALE",
        "summary": "40 Years to 70 Years · Female only"
      },
      "enrollment_count": 62,
      "start_date": "2026-09",
      "completion_date": "2029-10-14",
      "has_results": false,
      "last_update_posted_date": "2026-07-28",
      "last_synced_at": "2026-09-19T18:15:00.536Z",
      "location_count": 1,
      "location_summary": "The Bronx, New York",
      "locations": [
        {
          "city": "The Bronx",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07526948"
    },
    {
      "nct_id": "NCT04079218",
      "title": "Accelerated Genital Tract Aging in HIV: Estradiol Clinical Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "HIV Infection",
        "Vaginal Atrophy",
        "Menopause",
        "Menopause Related Conditions",
        "Aging",
        "Premature Aging",
        "Atrophic Vaginitis",
        "Dysbiosis",
        "Vaginitis"
      ],
      "interventions": [
        {
          "name": "Estradiol Vaginal Insert",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Kerry Murphy",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "70 Years",
        "sex": "FEMALE",
        "summary": "45 Years to 70 Years · Female only"
      },
      "enrollment_count": 60,
      "start_date": "2020-09-01",
      "completion_date": "2023-08-09",
      "has_results": true,
      "last_update_posted_date": "2025-03-14",
      "last_synced_at": "2026-09-19T18:15:00.536Z",
      "location_count": 1,
      "location_summary": "The Bronx, New York",
      "locations": [
        {
          "city": "The Bronx",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04079218"
    }
  ]
}