{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Therapeutic+Estradiol",
    "query": {
      "intervention": "Therapeutic Estradiol"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 879,
    "total_pages": 88,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Therapeutic+Estradiol&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-22T05:46:01.066Z",
  "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": "NCT00117273",
      "title": "A Study to Evaluate Suppression of the Pituitary-Ovarian Axis With Three Different Oral Contraceptive Regimens",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Seasonale [levonorgestrel (LNG)/ethinyl estradiol (EE)]",
          "type": "DRUG"
        },
        {
          "name": "Seasonique (LNG/EE and EE)",
          "type": "DRUG"
        },
        {
          "name": "Portia (LNG/EE)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Duramed Research",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 35 Years · Female only"
      },
      "enrollment_count": 36,
      "start_date": "2005-06",
      "completion_date": "2006-06",
      "has_results": false,
      "last_update_posted_date": "2014-05-09",
      "last_synced_at": "2026-09-22T05:46:01.066Z",
      "location_count": 1,
      "location_summary": "Temple, Texas",
      "locations": [
        {
          "city": "Temple",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00117273"
    },
    {
      "nct_id": "NCT00021372",
      "title": "Paclitaxel and Estramustine in Treating Patients With Relapsed or Refractory Non-Hodgkin's Lymphoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Lymphoma"
      ],
      "interventions": [
        {
          "name": "estramustine phosphate sodium",
          "type": "DRUG"
        },
        {
          "name": "paclitaxel",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Fox Chase 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": 25,
      "start_date": "1996-02",
      "completion_date": "2006-09",
      "has_results": false,
      "last_update_posted_date": "2013-07-10",
      "last_synced_at": "2026-09-22T05:46:01.066Z",
      "location_count": 17,
      "location_summary": "Flemington, New Jersey • Lakewood, New Jersey • Millville, New Jersey + 14 more",
      "locations": [
        {
          "city": "Flemington",
          "state": "New Jersey"
        },
        {
          "city": "Lakewood",
          "state": "New Jersey"
        },
        {
          "city": "Millville",
          "state": "New Jersey"
        },
        {
          "city": "Mount Holly",
          "state": "New Jersey"
        },
        {
          "city": "Red Bank",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00021372"
    },
    {
      "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": "2026-09-22T05:46:01.066Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03815929"
    },
    {
      "nct_id": "NCT03584009",
      "title": "A Phase II Study Comparing The Efficacy Of Venetoclax + Fulvestrant Vs. Fulvestrant In Women With Estrogen Receptor-Positive, Her2-Negative Locally Advanced Or Metastatic Breast Cancer Who Experienced Disease Recurrence Or Progression During Or After CDK4/6 Inhibitor Therapy",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Estrogen Receptor-positive (ER+)/Human Epidermal Growth Factor Receptor (HER2)-Negative Locally Advanced or Metastatic Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Venetoclax",
          "type": "DRUG"
        },
        {
          "name": "Fulvestrant",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Hoffmann-La Roche",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 103,
      "start_date": "2018-09-06",
      "completion_date": "2021-05-06",
      "has_results": true,
      "last_update_posted_date": "2022-06-28",
      "last_synced_at": "2026-09-22T05:46:01.066Z",
      "location_count": 21,
      "location_summary": "Phoenix, Arizona • Springdale, Arkansas • La Jolla, California + 18 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Springdale",
          "state": "Arkansas"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Palm Springs",
          "state": "California"
        },
        {
          "city": "Santa Rosa",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03584009"
    },
    {
      "nct_id": "NCT07287917",
      "title": "Study of AMXT 1501 and DFMO in Combination With Standard Therapies in Advanced Solid Tumors",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Melanoma (Skin Cancer)",
        "HER2-low Hormone Receptor Positive Breast Cancer"
      ],
      "interventions": [
        {
          "name": "AMXT 1501 Dicaprate",
          "type": "DRUG"
        },
        {
          "name": "DFMO",
          "type": "DRUG"
        },
        {
          "name": "Fulvestrant",
          "type": "DRUG"
        },
        {
          "name": "Capivasertib",
          "type": "DRUG"
        },
        {
          "name": "Pembrolizumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Aminex Therapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 92,
      "start_date": "2026-01-26",
      "completion_date": "2028-12-29",
      "has_results": false,
      "last_update_posted_date": "2026-09-04",
      "last_synced_at": "2026-09-22T05:46:01.066Z",
      "location_count": 20,
      "location_summary": "Tucson, Arizona • La Jolla, California • Los Angeles, California + 15 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Englewood",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07287917"
    },
    {
      "nct_id": "NCT00864214",
      "title": "A Pharmacokinetic Evaluation of Bioidentical Compounded Estrogen Cream and Natural Progesterone",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Menopause"
      ],
      "interventions": [
        {
          "name": "bioidentical hormone (Biest)",
          "type": "DRUG"
        },
        {
          "name": "bioidentical hormone (Vivelle-Dot)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "60 Years",
        "sex": "FEMALE",
        "summary": "40 Years to 60 Years · Female only"
      },
      "enrollment_count": 40,
      "start_date": "2008-06",
      "completion_date": "2010-04",
      "has_results": false,
      "last_update_posted_date": "2012-01-16",
      "last_synced_at": "2026-09-22T05:46:01.066Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00864214"
    },
    {
      "nct_id": "NCT02531321",
      "title": "Protease Inhibitors and Combined Oral Contraceptive Pharmacokinetics and Pharmacodynamics",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Contraception",
        "HIV"
      ],
      "interventions": [
        {
          "name": "Levonorgestrel and Ethinyl Estradiol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Southern California",
      "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": 17,
      "start_date": "2015-08",
      "completion_date": "2016-11-01",
      "has_results": true,
      "last_update_posted_date": "2019-05-31",
      "last_synced_at": "2026-09-22T05:46:01.066Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02531321"
    },
    {
      "nct_id": "NCT04247126",
      "title": "A Study of SY 5609, a Selective CDK7 Inhibitor, in Advanced Solid Tumors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Advanced Solid Tumor",
        "Breast Cancer",
        "Small-cell Lung Cancer",
        "Pancreatic Cancer"
      ],
      "interventions": [
        {
          "name": "SY-5609",
          "type": "DRUG"
        },
        {
          "name": "Fulvestrant",
          "type": "DRUG"
        },
        {
          "name": "Gemcitabine",
          "type": "DRUG"
        },
        {
          "name": "Nab-paclitaxel",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Syros Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 105,
      "start_date": "2020-01-23",
      "completion_date": "2023-03-30",
      "has_results": false,
      "last_update_posted_date": "2023-10-27",
      "last_synced_at": "2026-09-22T05:46:01.066Z",
      "location_count": 16,
      "location_summary": "Gilbert, Arizona • Los Angeles, California • Orlando, Florida + 11 more",
      "locations": [
        {
          "city": "Gilbert",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04247126"
    },
    {
      "nct_id": "NCT00372996",
      "title": "Study Of CP-751,871 In Combination With Exemestane In Postmenopausal Women With Hormone Receptor Positive Advanced Breast Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Neoplasms"
      ],
      "interventions": [
        {
          "name": "CP-751,871",
          "type": "DRUG"
        },
        {
          "name": "exemestane",
          "type": "DRUG"
        },
        {
          "name": "Fulvestrant",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 219,
      "start_date": "2007-02",
      "completion_date": "2014-06",
      "has_results": true,
      "last_update_posted_date": "2015-10-28",
      "last_synced_at": "2026-09-22T05:46:01.066Z",
      "location_count": 33,
      "location_summary": "La Jolla, California • San Diego, California • Washington D.C., District of Columbia + 10 more",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Davie",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00372996"
    },
    {
      "nct_id": "NCT03204318",
      "title": "SPIRIT 1: Efficacy and Safety Study of Relugolix in Women With Endometriosis-Associated Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Endometriosis Related Pain"
      ],
      "interventions": [
        {
          "name": "Relugolix",
          "type": "DRUG"
        },
        {
          "name": "Estradiol/norethindrone acetate",
          "type": "DRUG"
        },
        {
          "name": "Estradiol/norethindrone acetate placebo",
          "type": "DRUG"
        },
        {
          "name": "Relugolix placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Myovant Sciences GmbH",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 50 Years · Female only"
      },
      "enrollment_count": 638,
      "start_date": "2017-12-07",
      "completion_date": "2021-04-08",
      "has_results": false,
      "last_update_posted_date": "2021-06-28",
      "last_synced_at": "2026-09-22T05:46:01.066Z",
      "location_count": 43,
      "location_summary": "Dothan, Alabama • Mesa, Arizona • Scottsdale, Arizona + 37 more",
      "locations": [
        {
          "city": "Dothan",
          "state": "Alabama"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03204318"
    }
  ]
}