{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Estrogens&page=30",
    "query": {
      "condition": "Estrogens",
      "page": 30
    },
    "page_size": 10
  },
  "pagination": {
    "page": 30,
    "page_size": 10,
    "total_count": 754,
    "total_pages": 76,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Estrogens&page=31&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Estrogens&page=29&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-02T20:25:43.959Z",
  "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": "NCT01329562",
      "title": "CGRP, Estrogen, Cortisol, VIP, α-Amylase, PGE2, PGI2 and ß-Endorphin Levels in Menstrual Migraine Before and After Treximet",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Menstrual Migraine"
      ],
      "interventions": [
        {
          "name": "Treximet",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Cady, Roger, M.D.",
      "sponsor_class": "INDIV",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 45 Years · Female only"
      },
      "enrollment_count": 41,
      "start_date": "2011-05",
      "completion_date": "2012-06",
      "has_results": true,
      "last_update_posted_date": "2014-04-09",
      "last_synced_at": "2026-11-02T20:25:43.959Z",
      "location_count": 2,
      "location_summary": "Springfield, Missouri • Cincinnati, Ohio",
      "locations": [
        {
          "city": "Springfield",
          "state": "Missouri"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01329562"
    },
    {
      "nct_id": "NCT00043069",
      "title": "Calcium With or Without Estrogen and/or Risedronate in Preventing Osteoporosis in Patients With Prostate Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Osteoporosis",
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "calcium carbonate",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "cholecalciferol",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Estrogen Antagonists",
          "type": "DRUG"
        },
        {
          "name": "risedronate sodium",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Alliance for Clinical Trials in Oncology",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 71,
      "start_date": "2002-11",
      "completion_date": "2010-01",
      "has_results": false,
      "last_update_posted_date": "2016-12-07",
      "last_synced_at": "2026-11-02T20:25:43.959Z",
      "location_count": 112,
      "location_summary": "Scottsdale, Arizona • Jacksonville, Florida • Aurora, Illinois + 71 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Aurora",
          "state": "Illinois"
        },
        {
          "city": "Bloomington",
          "state": "Illinois"
        },
        {
          "city": "Canton",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00043069"
    },
    {
      "nct_id": "NCT02599194",
      "title": "18F-FSPG PET/CT for Cancer Patients on Therapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "B-Cell Neoplasm",
        "Estrogen Receptor Negative",
        "HER2/Neu Negative",
        "Metastatic Renal Cell Cancer",
        "Progesterone Receptor Negative",
        "Stage III Mesothelioma",
        "Stage III Renal Cell Cancer",
        "Stage IIIA Breast Cancer",
        "Stage IIIA Non-Small Cell Lung Cancer",
        "Stage IIIB Non-Small Cell Lung Cancer",
        "Stage IIIC Breast Cancer",
        "Stage IV Breast Cancer",
        "Stage IV Mesothelioma",
        "Stage IV Non-Small Cell Lung Cancer",
        "Stage IV Renal Cell Cancer",
        "Triple-Negative Breast Carcinoma"
      ],
      "interventions": [
        {
          "name": "18F-FSPG",
          "type": "DRUG"
        },
        {
          "name": "18F-FDG",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Andrei Iagaru",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 7,
      "start_date": "2015-07",
      "completion_date": "2016-12-14",
      "has_results": true,
      "last_update_posted_date": "2019-01-03",
      "last_synced_at": "2026-11-02T20:25:43.959Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02599194"
    },
    {
      "nct_id": "NCT01856036",
      "title": "Anti-Tumor Immunity Induced by Cryoablation of Invasive Breast Cancers",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Cryoablation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Saint John's Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2,
      "start_date": "2013-04",
      "completion_date": "2014-10",
      "has_results": false,
      "last_update_posted_date": "2017-02-07",
      "last_synced_at": "2026-11-02T20:25:43.959Z",
      "location_count": 1,
      "location_summary": "Santa Monica, California",
      "locations": [
        {
          "city": "Santa Monica",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01856036"
    },
    {
      "nct_id": "NCT03691493",
      "title": "Radiation Therapy, Palbociclib, and Hormone Therapy in Treating Breast Cancer Patients With Bone Metastasis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Anatomic Stage IV Breast Cancer AJCC v8",
        "Estrogen Receptor Positive",
        "HER2/Neu Negative",
        "Metastatic Breast Carcinoma",
        "Metastatic Malignant Neoplasm in the Bone",
        "Progesterone Receptor Positive",
        "Prognostic Stage IV Breast Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Anastrozole",
          "type": "DRUG"
        },
        {
          "name": "Exemestane",
          "type": "DRUG"
        },
        {
          "name": "Fulvestrant",
          "type": "DRUG"
        },
        {
          "name": "Letrozole",
          "type": "DRUG"
        },
        {
          "name": "Palbociclib",
          "type": "DRUG"
        },
        {
          "name": "Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Tamoxifen",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 36,
      "start_date": "2019-02-08",
      "completion_date": "2022-10-13",
      "has_results": true,
      "last_update_posted_date": "2025-02-17",
      "last_synced_at": "2026-11-02T20:25:43.959Z",
      "location_count": 10,
      "location_summary": "Atlanta, Georgia • Augusta, Georgia • Columbus, Georgia + 2 more",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03691493"
    },
    {
      "nct_id": "NCT01475565",
      "title": "Insulin Resistance Before and During Pregnancy in Women With Polycystic Ovary Syndrome",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Polycystic Ovary Syndrome",
        "Insulin Resistance",
        "Insulin Sensitivity",
        "Obesity",
        "Pregnancy"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Virginia Commonwealth University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 40 Years · Female only"
      },
      "enrollment_count": 2,
      "start_date": "2013-05",
      "completion_date": "2014-08",
      "has_results": false,
      "last_update_posted_date": "2015-12-14",
      "last_synced_at": "2026-11-02T20:25:43.959Z",
      "location_count": 1,
      "location_summary": "Richmond, Virginia",
      "locations": [
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01475565"
    },
    {
      "nct_id": "NCT00113100",
      "title": "Mechanisms of Skin Repair by Topical Estrogen",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Skin Wrinkling"
      ],
      "interventions": [
        {
          "name": "Topical 17-beta estradiol in ethanol/propylene glycol (ETOH/PG)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 152,
      "start_date": "2004-08",
      "completion_date": "2007-06",
      "has_results": false,
      "last_update_posted_date": "2015-05-21",
      "last_synced_at": "2026-11-02T20:25:43.959Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00113100"
    },
    {
      "nct_id": "NCT00006399",
      "title": "Effects of Estrogen on Memory in Post-Menopausal Women and Patients With Alzheimer's Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Alzheimer Disease"
      ],
      "interventions": [
        {
          "name": "Donepezil",
          "type": "DRUG"
        },
        {
          "name": "Estrogen",
          "type": "DRUG"
        },
        {
          "name": "Progesterone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Center for Research Resources (NCRR)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "85 Years",
        "sex": "FEMALE",
        "summary": "45 Years to 85 Years · Female only"
      },
      "enrollment_count": 45,
      "start_date": "1999-09",
      "completion_date": "2004-03",
      "has_results": false,
      "last_update_posted_date": "2009-01-15",
      "last_synced_at": "2026-11-02T20:25:43.959Z",
      "location_count": 1,
      "location_summary": "Burlington, Vermont",
      "locations": [
        {
          "city": "Burlington",
          "state": "Vermont"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00006399"
    },
    {
      "nct_id": "NCT00946192",
      "title": "Fat Mediated Modulation of Reproductive and Endocrine Function in Young Athletes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Exercise-related Amenorrhea"
      ],
      "interventions": [
        {
          "name": "Transdermal 17Beta-estradiol, progesterone",
          "type": "DRUG"
        },
        {
          "name": "Ethinyl Estradiol + Desogestrel",
          "type": "DRUG"
        },
        {
          "name": "Sham Comparator",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "21 Years",
        "sex": "FEMALE",
        "summary": "14 Years to 21 Years · Female only"
      },
      "enrollment_count": 121,
      "start_date": "2009-05",
      "completion_date": "2021-04",
      "has_results": true,
      "last_update_posted_date": "2021-06-11",
      "last_synced_at": "2026-11-02T20:25:43.959Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00946192"
    },
    {
      "nct_id": "NCT01881230",
      "title": "Evaluate Risk/Benefit of Nab Paclitaxel in Combination With Gemcitabine and Carboplatin Compared to Gemcitabine and Carboplatin in Triple Negative Metastatic Breast Cancer (or Metastatic Triple Negative Breast Cancer)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Breast Tumor",
        "Breast Cancer",
        "Cancer of the Breast",
        "Estrogen Receptor- Negative Breast Cancer",
        "HER2- Negative Breast Cancer",
        "Progesterone Receptor- Negative Breast Cancer",
        "Recurrent Breast Cancer",
        "Stage IV Breast Cancer",
        "Triple-negative Breast Cancer",
        "Triple-negative Metastatic Breast Cancer",
        "Metastatic Breast Cancer"
      ],
      "interventions": [
        {
          "name": "nab-Paclitaxel",
          "type": "DRUG"
        },
        {
          "name": "Carboplatin",
          "type": "DRUG"
        },
        {
          "name": "Gemcitabine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Celgene",
      "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": 191,
      "start_date": "2013-09-26",
      "completion_date": "2016-10-28",
      "has_results": true,
      "last_update_posted_date": "2019-02-21",
      "last_synced_at": "2026-11-02T20:25:43.959Z",
      "location_count": 64,
      "location_summary": "Chandler, Arizona • Glendale, Arizona • Scottsdale, Arizona + 57 more",
      "locations": [
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "Glendale",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Fayetteville",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01881230"
    }
  ]
}