{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Endocrine+Therapy",
    "query": {
      "intervention": "Endocrine Therapy"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 968,
    "total_pages": 97,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Endocrine+Therapy&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-02T09:41:50.839Z",
  "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": "NCT01556243",
      "title": "Breast-Conserving Surgery and Radiation Therapy in Patients With Multiple Ipsilateral Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "therapeutic conventional surgery",
          "type": "PROCEDURE"
        },
        {
          "name": "whole breast irradiation",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "RADIATION"
      ],
      "sponsor": "Alliance for Clinical Trials in Oncology",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "40 Years and older · Female only"
      },
      "enrollment_count": 270,
      "start_date": "2012-07",
      "completion_date": "2023-04-15",
      "has_results": true,
      "last_update_posted_date": "2026-06-12",
      "last_synced_at": "2026-09-02T09:41:50.839Z",
      "location_count": 350,
      "location_summary": "Hot Springs, Arkansas • Dublin, California • Emeryville, California + 216 more",
      "locations": [
        {
          "city": "Hot Springs",
          "state": "Arkansas"
        },
        {
          "city": "Dublin",
          "state": "California"
        },
        {
          "city": "Emeryville",
          "state": "California"
        },
        {
          "city": "Emeryville",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01556243"
    },
    {
      "nct_id": "NCT05417308",
      "title": "Topical or Oral Minoxidil for the Treatment of Endocrine Therapy-Induced Alopecia in Patients With Stage I-IV Breast Cancer",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Anatomic Stage I Breast Cancer AJCC v8",
        "Anatomic Stage IA Breast Cancer AJCC v8",
        "Anatomic Stage IB Breast Cancer AJCC v8",
        "Anatomic Stage II Breast Cancer AJCC v8",
        "Anatomic Stage IIA Breast Cancer AJCC v8",
        "Anatomic Stage IIB Breast Cancer AJCC v8",
        "Anatomic Stage III Breast Cancer AJCC v8",
        "Anatomic Stage IIIA Breast Cancer AJCC v8",
        "Anatomic Stage IIIB Breast Cancer AJCC v8",
        "Anatomic Stage IIIC Breast Cancer AJCC v8",
        "Anatomic Stage IV Breast Cancer AJCC v8",
        "Endocrine Therapy-Induced Alopecia",
        "Prognostic Stage I Breast Cancer AJCC v8",
        "Prognostic Stage IA Breast Cancer AJCC v8",
        "Prognostic Stage IB Breast Cancer AJCC v8",
        "Prognostic Stage II Breast Cancer AJCC v8",
        "Prognostic Stage IIA Breast Cancer AJCC v8",
        "Prognostic Stage IIB Breast Cancer AJCC v8",
        "Prognostic Stage III Breast Cancer AJCC v8",
        "Prognostic Stage IIIA Breast Cancer AJCC v8",
        "Prognostic Stage IIIB Breast Cancer AJCC v8",
        "Prognostic Stage IIIC Breast Cancer AJCC v8",
        "Prognostic Stage IV Breast Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Minoxidil",
          "type": "DRUG"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Ohio State University Comprehensive Cancer Center",
      "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": 50,
      "start_date": "2023-03-01",
      "completion_date": "2027-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-03-10",
      "last_synced_at": "2026-09-02T09:41:50.839Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05417308"
    },
    {
      "nct_id": "NCT06154590",
      "title": "Anastrozole Adjuvant Trial - Study of Anastrozole Compared to NOLVADEX (Tamoxifen Citrate) for Adjuvant Treatment of Early Breast Cancer Clinical Studies), Adjunct Cytotoxic Chemotherapy and Malignant Joint Tumor",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Metastatic Breast Cancer",
        "Tumor",
        "Muscle Neoplasms",
        "Chronic Pain"
      ],
      "interventions": [
        {
          "name": "Method(s)1 Attribution",
          "type": "DRUG"
        },
        {
          "name": "Method(s)2 Attribution,",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "DR. DIANE CHISESI NFS. MD. PHD.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "44 Years",
        "maximum_age": "59 Years",
        "sex": "ALL",
        "summary": "44 Years to 59 Years"
      },
      "enrollment_count": 100,
      "start_date": "2024-07",
      "completion_date": "2026-09",
      "has_results": false,
      "last_update_posted_date": "2023-12-04",
      "last_synced_at": "2026-09-02T09:41:50.839Z",
      "location_count": 1,
      "location_summary": "Colorado Springs, Colorado",
      "locations": [
        {
          "city": "Colorado Springs",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06154590"
    },
    {
      "nct_id": "NCT04482920",
      "title": "Effect of Hormone Therapy on Renal Function",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Transgenderism",
        "Kidney Diseases",
        "Kidney Injury"
      ],
      "interventions": [
        {
          "name": "p-aminohippurate clearance study",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Iohexol infusion",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "17 Years",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "17 Years to 30 Years"
      },
      "enrollment_count": 22,
      "start_date": "2021-04-15",
      "completion_date": "2023-08-31",
      "has_results": false,
      "last_update_posted_date": "2024-05-03",
      "last_synced_at": "2026-09-02T09:41:50.839Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04482920"
    },
    {
      "nct_id": "NCT02678520",
      "title": "Clinical Trial Comparing 3-D RT vs. IMRT in Post- Prostatectomy Prostate Cancer Patients",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "3-D Conformal Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Intensity Modulated Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Casodex, Zoladex , Lupron",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "DRUG"
      ],
      "sponsor": "University of Kansas Medical Center",
      "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": 0,
      "start_date": "2015-12",
      "completion_date": "2016-02",
      "has_results": false,
      "last_update_posted_date": "2016-07-22",
      "last_synced_at": "2026-09-02T09:41:50.839Z",
      "location_count": 1,
      "location_summary": "Fairway, Kansas",
      "locations": [
        {
          "city": "Fairway",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02678520"
    },
    {
      "nct_id": "NCT00003391",
      "title": "Monoclonal Antibody Therapy in Treating Patients With Prostate Cancer That Has Not Responded to Hormone Therapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "monoclonal antibody muJ591",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Weill Medical College of Cornell University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "21 Years and older · Male only"
      },
      "enrollment_count": 30,
      "start_date": "1998-06",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2009-10-12",
      "last_synced_at": "2026-09-02T09:41:50.839Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00003391"
    },
    {
      "nct_id": "NCT00769795",
      "title": "Study of Effectiveness of IMC-A12 Antibody Combined With Hormone Therapy Prior to Surgery to Treat Prostate Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "IMC-A12",
          "type": "DRUG"
        },
        {
          "name": "Bicalutamide",
          "type": "DRUG"
        },
        {
          "name": "Goserelin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Washington",
      "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": 29,
      "start_date": "2008-10",
      "completion_date": "2011-11",
      "has_results": false,
      "last_update_posted_date": "2017-03-29",
      "last_synced_at": "2026-09-02T09:41:50.839Z",
      "location_count": 3,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00769795"
    },
    {
      "nct_id": "NCT03016741",
      "title": "Cognitive Effects of Androgen Receptor Directed Therapies for Advanced Prostate Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Castration-Resistant Prostatic Cancer",
        "Metastatic Prostate Carcinoma",
        "Recurrent Prostate Carcinoma",
        "Stage IV Prostate Cancer",
        "Hormone-Refractory Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "GnRH agonist/antagonist",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Prednisone",
          "type": "DRUG"
        },
        {
          "name": "Abiraterone Acetate",
          "type": "DRUG"
        },
        {
          "name": "Enzalutamide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "Northwestern University",
      "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": 100,
      "start_date": "2017-03-31",
      "completion_date": "2029-08",
      "has_results": false,
      "last_update_posted_date": "2026-02-24",
      "last_synced_at": "2026-09-02T09:41:50.839Z",
      "location_count": 5,
      "location_summary": "Los Angeles, California • Chicago, Illinois • New Orleans, Louisiana + 2 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "New Orleans",
          "state": "Louisiana"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03016741"
    },
    {
      "nct_id": "NCT04176354",
      "title": "Real-world Treatment Patterns and Effectiveness of Palbociclib and AI Therapy",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Metastatic Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Palbociclib + an aromatase inhibitor",
          "type": "DRUG"
        },
        {
          "name": "Palbociclib + Letrozole",
          "type": "DRUG"
        },
        {
          "name": "Letrozole",
          "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": 813,
      "start_date": "2019-01-25",
      "completion_date": "2019-09-27",
      "has_results": true,
      "last_update_posted_date": "2024-08-23",
      "last_synced_at": "2026-09-02T09:41:50.839Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04176354"
    },
    {
      "nct_id": "NCT00065767",
      "title": "Cognitive and Neurophysiological Effects of Raloxifene in Alzheimer's Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Alzheimer Disease"
      ],
      "interventions": [
        {
          "name": "Raloxifene",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": "90 Years",
        "sex": "FEMALE",
        "summary": "55 Years to 90 Years · Female only"
      },
      "enrollment_count": 20,
      "start_date": "2001-09",
      "completion_date": "2005-03",
      "has_results": false,
      "last_update_posted_date": "2015-10-05",
      "last_synced_at": "2026-09-02T09:41:50.839Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00065767"
    }
  ]
}