{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Primary+Hormone+Receptor+Positive+Breast+Cancer",
    "query": {
      "condition": "Primary Hormone Receptor Positive Breast Cancer"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 14,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Primary+Hormone+Receptor+Positive+Breast+Cancer&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-06-27T19:40:36.951Z",
  "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": "NCT04314401",
      "title": "National Cancer Institute \"Cancer Moonshot Biobank\"",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Acute Myeloid Leukemia",
        "Anatomic Stage III Breast Cancer AJCC v8",
        "Anatomic Stage IV Breast Cancer AJCC v8",
        "Clinical Stage IV Esophageal Adenocarcinoma AJCC v8",
        "Clinical Stage IV Gastric Cancer AJCC v8",
        "Clinical Stage IV Gastroesophageal Junction Adenocarcinoma AJCC v8",
        "Esophageal Carcinoma",
        "Fallopian Tube Carcinoma",
        "Gastric Carcinoma",
        "Hormone Receptor-Positive Breast Carcinoma",
        "Invasive Breast Carcinoma",
        "Lung Non-Small Cell Carcinoma",
        "Lung Small Cell Carcinoma",
        "Malignant Solid Neoplasm",
        "Melanoma",
        "Metastatic Prostate Carcinoma",
        "Multiple Myeloma",
        "Ovarian Carcinoma",
        "Ovarian High Grade Serous Adenocarcinoma",
        "Primary Peritoneal Carcinoma",
        "Stage III Fallopian Tube Cancer AJCC v8",
        "Stage III Lung Cancer AJCC v8",
        "Stage III Ovarian Cancer AJCC v8",
        "Stage IV Colorectal Cancer AJCC v8",
        "Stage IV Fallopian Tube Cancer AJCC v8",
        "Stage IV Lung Cancer AJCC v8",
        "Stage IV Ovarian Cancer AJCC v8",
        "Stage IVB Prostate Cancer AJCC v8",
        "Triple-Negative Breast Carcinoma"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Medical Chart Review",
          "type": "OTHER"
        },
        {
          "name": "Paracentesis",
          "type": "PROCEDURE"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "13 Years and older"
      },
      "enrollment_count": 1600,
      "start_date": "2020-11-11",
      "completion_date": "2027-04-30",
      "has_results": false,
      "last_update_posted_date": "2026-05-13",
      "last_synced_at": "2026-06-27T19:40:36.951Z",
      "location_count": 147,
      "location_summary": "Daphne, Alabama • Fairhope, Alabama • Mobile, Alabama + 115 more",
      "locations": [
        {
          "city": "Daphne",
          "state": "Alabama"
        },
        {
          "city": "Fairhope",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Saraland",
          "state": "Alabama"
        },
        {
          "city": "Kingman",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04314401"
    },
    {
      "nct_id": "NCT04298086",
      "title": "A Study of the Body's Response to Exercise and a Plant-Based Diet in Overweight Postmenopausal Women With Breast Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer",
        "Primary Hormone Receptor Positive Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Exercise Treatment",
          "type": "OTHER"
        },
        {
          "name": "Plant-Based Diet",
          "type": "OTHER"
        },
        {
          "name": "Physical activity",
          "type": "OTHER"
        },
        {
          "name": "Nutrition counseling",
          "type": "OTHER"
        },
        {
          "name": "Replication Exercise Test",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Memorial Sloan Kettering 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": 43,
      "start_date": "2020-03-04",
      "completion_date": "2027-03",
      "has_results": false,
      "last_update_posted_date": "2026-06-17",
      "last_synced_at": "2026-06-27T19:40:36.951Z",
      "location_count": 7,
      "location_summary": "Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more",
      "locations": [
        {
          "city": "Basking Ridge",
          "state": "New Jersey"
        },
        {
          "city": "Middletown",
          "state": "New Jersey"
        },
        {
          "city": "Montvale",
          "state": "New Jersey"
        },
        {
          "city": "Commack",
          "state": "New York"
        },
        {
          "city": "Harrison",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04298086"
    },
    {
      "nct_id": "NCT02422615",
      "title": "Study of Efficacy and Safety of LEE011 in Men and Postmenopausal Women With Advanced Breast Cancer.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Advanced Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Ribociclib",
          "type": "DRUG"
        },
        {
          "name": "Fulvestrant",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 726,
      "start_date": "2015-06-09",
      "completion_date": "2023-01-11",
      "has_results": true,
      "last_update_posted_date": "2023-11-30",
      "last_synced_at": "2026-06-27T19:40:36.951Z",
      "location_count": 26,
      "location_summary": "Mobile, Alabama • Chandler, Arizona • Fayetteville, Arkansas + 22 more",
      "locations": [
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "Fayetteville",
          "state": "Arkansas"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Santa Maria",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02422615"
    },
    {
      "nct_id": "NCT02437318",
      "title": "Study Assessing the Efficacy and Safety of Alpelisib Plus Fulvestrant in Men and Postmenopausal Women With Advanced Breast Cancer Which Progressed on or After Aromatase Inhibitor Treatment.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Fulvestrant",
          "type": "DRUG"
        },
        {
          "name": "Alpelisib",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 572,
      "start_date": "2015-07-23",
      "completion_date": "2023-06-09",
      "has_results": true,
      "last_update_posted_date": "2025-02-13",
      "last_synced_at": "2026-06-27T19:40:36.951Z",
      "location_count": 34,
      "location_summary": "Chandler, Arizona • Scottsdale, Arizona • Fayetteville, Arkansas + 31 more",
      "locations": [
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Fayetteville",
          "state": "Arkansas"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Duarte",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02437318"
    },
    {
      "nct_id": "NCT05579366",
      "title": "Rinatabart Sesutecan (Rina-S, PRO1184, GEN1184) for Advanced Solid Tumors (GCT1184-01/ PRO1184-001)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "High Grade Epithelial Ovarian Cancer",
        "High Grade Serous Ovarian Cancer",
        "Primary Peritoneal Carcinoma",
        "Fallopian Tube Cancer",
        "Endometrial Cancer",
        "Non-small Cell Lung Cancer",
        "Epidermal Growth Factor Receptor (EGFR)-Mutated Non-Small Cell Lung Cancer (NSCLC)",
        "Mesothelioma",
        "Breast Adenocarcinoma",
        "Triple Negative Breast Cancer",
        "Hormone Receptor-positive/Her2 Negative Breast Cancer",
        "Platinum-resistant Ovarian Cancer (PROC)",
        "Platinum Sensitive Ovarian Cancer (PSOC)",
        "Primary Refractory Ovarian Cancer",
        "Uterine Cancer"
      ],
      "interventions": [
        {
          "name": "Rina-S",
          "type": "DRUG"
        },
        {
          "name": "Carboplatin",
          "type": "DRUG"
        },
        {
          "name": "Bevacizumab",
          "type": "DRUG"
        },
        {
          "name": "Pembrolizumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Genmab",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 884,
      "start_date": "2022-12-07",
      "completion_date": "2027-10",
      "has_results": false,
      "last_update_posted_date": "2026-06-03",
      "last_synced_at": "2026-06-27T19:40:36.951Z",
      "location_count": 37,
      "location_summary": "Phoenix, Arizona • Tucson, Arizona • Los Angeles, California + 32 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Santa Barbara",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05579366"
    },
    {
      "nct_id": "NCT00206414",
      "title": "Arimidex/Faslodex/Iressa Study: A Trial Using Arimidex, Faslodex and Iressa in Women With Breast Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "BREAST CANCER"
      ],
      "interventions": [
        {
          "name": "Iressa Day 1 given with Arimidex and Faslodex",
          "type": "DRUG"
        },
        {
          "name": "Iressa Day 21 given with Arimidex and Faslodex",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Baylor Breast Care 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": 15,
      "start_date": "2003-01",
      "completion_date": "2006-09",
      "has_results": false,
      "last_update_posted_date": "2013-02-05",
      "last_synced_at": "2026-06-27T19:40:36.951Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00206414"
    },
    {
      "nct_id": "NCT02149173",
      "title": "F-18 FES PET/CT in Measuring Hormone Expression in Patients With Primary, Recurrent, or Metastatic Breast Cancer Undergoing Endocrine-Targeted Therapy",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Estrogen Receptor Positive",
        "Recurrent Breast Carcinoma",
        "Stage IV Breast Cancer AJCC v6 and v7"
      ],
      "interventions": [
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "F-18 16 Alpha-Fluoroestradiol",
          "type": "DRUG"
        },
        {
          "name": "Fludeoxyglucose F-18",
          "type": "DRUG"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 29,
      "start_date": "2010-09-15",
      "completion_date": "2021-01-13",
      "has_results": true,
      "last_update_posted_date": "2021-06-30",
      "last_synced_at": "2026-06-27T19:40:36.951Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02149173"
    },
    {
      "nct_id": "NCT05194072",
      "title": "A Study of Felmetatug Vedotin/SGN-B7H4V in Advanced Solid Tumors",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Ovarian Neoplasms",
        "Peritoneal Neoplasms",
        "Fallopian Tube Neoplasms",
        "Triple Negative Breast Neoplasms",
        "HER2 Negative Breast Neoplasms",
        "Hormone Receptor Positive Breast Neoplasms",
        "Endometrial Neoplasms",
        "Carcinoma, Non-Small-Cell Lung",
        "Cholangiocarcinoma",
        "Gallbladder Carcinoma",
        "Adenoid Cystic Carcinoma"
      ],
      "interventions": [
        {
          "name": "Felmetatug Vedotin",
          "type": "DRUG"
        },
        {
          "name": "Pembrolizumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Seagen, a wholly owned subsidiary of Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 250,
      "start_date": "2022-01-12",
      "completion_date": "2025-05-14",
      "has_results": false,
      "last_update_posted_date": "2026-01-09",
      "last_synced_at": "2026-06-27T19:40:36.951Z",
      "location_count": 22,
      "location_summary": "Aurora, Colorado • Denver, Colorado • Celebration, Florida + 9 more",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05194072"
    },
    {
      "nct_id": "NCT05985655",
      "title": "Study to Assess GTAEXS617 in Participants With Advanced Solid Tumors",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Head and Neck Squamous Cell Carcinoma (HNSCC)",
        "Pancreatic Adenocarcinoma",
        "Non-small Cell Lung Cancer (NSCLC)",
        "Platinum-resistant High-grade Epithelial Ovarian, Primary Peritoneal, or Fallopian Tube Cancers (HGSOC)",
        "Hormone Receptor Positive [HR+] and Human Epidermal Growth Factor Receptor 2 Negative [HER2-] Breast Carcinoma",
        "Triple Negative Breast Cancer (TNBC)"
      ],
      "interventions": [
        {
          "name": "GTAEXS617",
          "type": "DRUG"
        },
        {
          "name": "SoC",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Exscientia AI Ltd., a wholly owned subsidiary of Recursion Pharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 230,
      "start_date": "2023-07-06",
      "completion_date": "2028-05",
      "has_results": false,
      "last_update_posted_date": "2026-04-23",
      "last_synced_at": "2026-06-27T19:40:36.951Z",
      "location_count": 4,
      "location_summary": "Los Angeles, California • Grand Rapids, Michigan • San Antonio, Texas + 1 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Grand Rapids",
          "state": "Michigan"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        },
        {
          "city": "West Valley City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05985655"
    },
    {
      "nct_id": "NCT02760030",
      "title": "Endocrine Therapy Fulvestrant & Palbociclib or Aromatase Inhibitor Therapy in Treating Older Patients With Hormone Responsive Breast Cancer That Cannot Be Removed by Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Estrogen Receptor and/or Progesterone Receptor Positive",
        "HER2/Neu Negative",
        "Stage IA Breast Cancer",
        "Stage IB Breast Cancer",
        "Stage IIA Breast Cancer",
        "Stage IIB Breast Cancer",
        "Stage IIIA Breast Cancer",
        "Stage IIIB Breast Cancer",
        "Stage IIIC Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Fulvestrant",
          "type": "DRUG"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Palbociclib",
          "type": "DRUG"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Aromatase Inhibitors",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Ohio State University Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "65 Years and older · Female only"
      },
      "enrollment_count": 14,
      "start_date": "2017-02-16",
      "completion_date": "2025-08-31",
      "has_results": false,
      "last_update_posted_date": "2025-12-19",
      "last_synced_at": "2026-06-27T19:40:36.951Z",
      "location_count": 3,
      "location_summary": "Edgewood, Kentucky • Cleveland, Ohio • Columbus, Ohio",
      "locations": [
        {
          "city": "Edgewood",
          "state": "Kentucky"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02760030"
    }
  ]
}