{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Estradiol+2mg",
    "query": {
      "intervention": "Estradiol 2mg"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 11,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Estradiol+2mg&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-13T01:30:44.110Z",
  "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": "NCT03336437",
      "title": "Estrogen and the Urogenital Microbiome in GSM",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Menopause"
      ],
      "interventions": [
        {
          "name": "Estradiol vaginal ring",
          "type": "DRUG"
        },
        {
          "name": "Placebo vaginal ring",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Oregon Health and Science University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "89 Years",
        "sex": "FEMALE",
        "summary": "40 Years to 89 Years · Female only"
      },
      "enrollment_count": 40,
      "start_date": "2018-02-01",
      "completion_date": "2019-08-23",
      "has_results": false,
      "last_update_posted_date": "2019-11-22",
      "last_synced_at": "2026-09-13T01:30:44.110Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03336437"
    },
    {
      "nct_id": "NCT05054374",
      "title": "A Study of Mirdametinib on Its Own or in Combination With Fulvestrant in People With Solid Tumor Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer",
        "Breast Cancer Stage IV",
        "HER2-negative Breast Cancer",
        "Solid Carcinoma",
        "MEK1 Gene Mutation",
        "MEK2 Gene Mutation",
        "Metastatic Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Mirdametinib",
          "type": "DRUG"
        },
        {
          "name": "Fulvestrant",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 6,
      "start_date": "2021-09-14",
      "completion_date": "2023-10-26",
      "has_results": true,
      "last_update_posted_date": "2025-05-23",
      "last_synced_at": "2026-09-13T01:30:44.110Z",
      "location_count": 4,
      "location_summary": "Middletown, New Jersey • Commack, New York • Harrison, New York + 1 more",
      "locations": [
        {
          "city": "Middletown",
          "state": "New Jersey"
        },
        {
          "city": "Commack",
          "state": "New York"
        },
        {
          "city": "Harrison",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05054374"
    },
    {
      "nct_id": "NCT00698035",
      "title": "Vaginal Testosterone Cream vs ESTRING for Vaginal Dryness or Decreased Libido in Early Stage Breast Cancer Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Sexual Dysfunction, Physiological"
      ],
      "interventions": [
        {
          "name": "Testosterone Cream",
          "type": "DRUG"
        },
        {
          "name": "Estring",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 80 Years · Female only"
      },
      "enrollment_count": 76,
      "start_date": "2007-03",
      "completion_date": "2012-12",
      "has_results": true,
      "last_update_posted_date": "2014-06-02",
      "last_synced_at": "2026-09-13T01:30:44.110Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00698035"
    },
    {
      "nct_id": "NCT04225221",
      "title": "Neurobiology of Bulimia Nervosa",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Bulimia Nervosa"
      ],
      "interventions": [
        {
          "name": "Estradiol",
          "type": "DRUG"
        },
        {
          "name": "Micronized progesterone",
          "type": "DRUG"
        },
        {
          "name": "Leuprolide Acetate",
          "type": "DRUG"
        },
        {
          "name": "Placebo Oral Capsule",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "42 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 42 Years · Female only"
      },
      "enrollment_count": 10,
      "start_date": "2020-02-24",
      "completion_date": "2022-04-04",
      "has_results": true,
      "last_update_posted_date": "2022-07-26",
      "last_synced_at": "2026-09-13T01:30:44.110Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04225221"
    },
    {
      "nct_id": "NCT02673606",
      "title": "Impact of Estrogen on Fear Extinction R61",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Fear",
        "Fear; Examination, Phobic"
      ],
      "interventions": [
        {
          "name": "Estradiol 2Mg Tablet",
          "type": "DRUG"
        },
        {
          "name": "Estradiol 4Mg Tablet",
          "type": "DRUG"
        },
        {
          "name": "Placebo Pills",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "NYU Langone Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 80 Years · Female only"
      },
      "enrollment_count": 136,
      "start_date": "2013-01",
      "completion_date": "2019-04-15",
      "has_results": false,
      "last_update_posted_date": "2020-07-30",
      "last_synced_at": "2026-09-13T01:30:44.110Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02673606"
    },
    {
      "nct_id": "NCT04192266",
      "title": "Estrogen and Fear in PTSD",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "PTSD"
      ],
      "interventions": [
        {
          "name": "Estradiol",
          "type": "DRUG"
        },
        {
          "name": "Placebo oral tablet",
          "type": "DRUG"
        },
        {
          "name": "Prolonged Exposure (PE) therapy",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "The University of Texas Health Science Center, Houston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 45 Years · Female only"
      },
      "enrollment_count": 83,
      "start_date": "2020-06-24",
      "completion_date": "2024-12-02",
      "has_results": true,
      "last_update_posted_date": "2026-01-09",
      "last_synced_at": "2026-09-13T01:30:44.110Z",
      "location_count": 2,
      "location_summary": "Philadelphia, Pennsylvania • Houston, Texas",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04192266"
    },
    {
      "nct_id": "NCT02705963",
      "title": "A Drug-Drug Interaction Study to Assess the Effect of Trametinib on the Pharmacokinetics of an Oral Contraceptive in Female Patients With Solid Tumors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Solid Tumors"
      ],
      "interventions": [
        {
          "name": "Trametinib",
          "type": "DRUG"
        },
        {
          "name": "Oral Contraceptive (1mg norethindrone, 0.035mg ethinyl estradiol)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "59 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 59 Years · Female only"
      },
      "enrollment_count": 19,
      "start_date": "2016-10-20",
      "completion_date": "2019-08-29",
      "has_results": false,
      "last_update_posted_date": "2022-02-09",
      "last_synced_at": "2026-09-13T01:30:44.110Z",
      "location_count": 2,
      "location_summary": "Detroit, Michigan • Oklahoma City, Oklahoma",
      "locations": [
        {
          "city": "Detroit",
          "state": "Michigan"
        },
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02705963"
    },
    {
      "nct_id": "NCT00138125",
      "title": "Fulvestrant and/or Trastuzumab as First-Line Therapy in Treating Postmenopausal Women With Stage IV Breast Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Faslodex",
          "type": "DRUG"
        },
        {
          "name": "Herceptin",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL"
      ],
      "sponsor": "Translational Oncology Research International",
      "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": 2,
      "start_date": "2005-04",
      "completion_date": "2009-12",
      "has_results": true,
      "last_update_posted_date": "2020-10-19",
      "last_synced_at": "2026-09-13T01:30:44.110Z",
      "location_count": 3,
      "location_summary": "Los Angeles, California • Redondo Beach, California • San Antonio, Texas",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Redondo Beach",
          "state": "California"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00138125"
    },
    {
      "nct_id": "NCT06253702",
      "title": "Brain Blood Flow Responses to Stress: Sex Differences",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Cerebrovascular Disorders"
      ],
      "interventions": [
        {
          "name": "Indomethacin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Orilissa",
          "type": "DRUG"
        },
        {
          "name": "Testosterone gel",
          "type": "DRUG"
        },
        {
          "name": "Anastrozole",
          "type": "DRUG"
        },
        {
          "name": "Estradiol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 22,
      "start_date": "2024-07-24",
      "completion_date": "2025-05-31",
      "has_results": false,
      "last_update_posted_date": "2025-07-18",
      "last_synced_at": "2026-09-13T01:30:44.110Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06253702"
    },
    {
      "nct_id": "NCT04283656",
      "title": "Evaluating Drug Interactions Between Doravirine With Estradiol and Spironolactone in Healthy Transgender Women",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Transgender Health",
        "Gender Dysphoria",
        "Transgender Women",
        "Human Immunodeficiency Virus"
      ],
      "interventions": [
        {
          "name": "Doravirine/Lamivudine/Tenofovir",
          "type": "DRUG"
        },
        {
          "name": "Spironolactone 100mg",
          "type": "DRUG"
        },
        {
          "name": "Estradiol 2mg",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Thomas Jefferson University",
      "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": 8,
      "start_date": "2022-01-04",
      "completion_date": "2022-12-30",
      "has_results": true,
      "last_update_posted_date": "2025-03-26",
      "last_synced_at": "2026-09-13T01:30:44.110Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04283656"
    }
  ]
}