{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Estrogen+Receptor-Positive+Breast+Carcinoma&page=3",
    "query": {
      "condition": "Estrogen Receptor-Positive Breast Carcinoma",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 393,
    "total_pages": 40,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Estrogen+Receptor-Positive+Breast+Carcinoma&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Estrogen+Receptor-Positive+Breast+Carcinoma&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-09T19:54:23.592Z",
  "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": "NCT02457910",
      "title": "Taselisib and Enzalutamide in Treating Patients With Androgen Receptor Positive Triple-Negative Metastatic Breast Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Estrogen Receptor Negative",
        "Estrogen Receptor Positive",
        "HER2/Neu Negative",
        "Progesterone Receptor Negative",
        "Progesterone Receptor Positive",
        "Stage IV Breast Cancer",
        "Triple-Negative Breast Carcinoma"
      ],
      "interventions": [
        {
          "name": "Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Enzalutamide",
          "type": "DRUG"
        },
        {
          "name": "Pharmacological Study",
          "type": "OTHER"
        },
        {
          "name": "Taselisib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG"
      ],
      "sponsor": "Vanderbilt-Ingram 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": 30,
      "start_date": "2015-06",
      "completion_date": "2022-08-08",
      "has_results": true,
      "last_update_posted_date": "2022-08-22",
      "last_synced_at": "2026-10-09T19:54:23.592Z",
      "location_count": 12,
      "location_summary": "Birmingham, Alabama • Washington D.C., District of Columbia • Chicago, Illinois + 9 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02457910"
    },
    {
      "nct_id": "NCT05501886",
      "title": "Gedatolisib Plus Fulvestrant With or Without Palbociclib vs Standard-of-Care for the Treatment of Patients With Advanced or Metastatic HR+/HER2- Breast Cancer (VIKTORIA-1)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Gedatolisib",
          "type": "DRUG"
        },
        {
          "name": "Palbociclib",
          "type": "DRUG"
        },
        {
          "name": "Fulvestrant",
          "type": "DRUG"
        },
        {
          "name": "Alpelisib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Celcuity Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 701,
      "start_date": "2022-12-08",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-02-10",
      "last_synced_at": "2026-10-09T19:54:23.592Z",
      "location_count": 71,
      "location_summary": "Birmingham, Alabama • Goodyear, Arizona • Jonesboro, Arkansas + 62 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Goodyear",
          "state": "Arizona"
        },
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Anaheim",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05501886"
    },
    {
      "nct_id": "NCT02269670",
      "title": "Phase II Study of Everolimus Beyond Progression",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Estrogen Receptor-positive Breast Cancer",
        "HER2-negative Breast Cancer",
        "Progesterone Receptor-positive Breast Cancer",
        "Recurrent Breast Cancer",
        "Stage IIIA Breast Cancer",
        "Stage IIIB Breast Cancer",
        "Stage IIIC Breast Cancer",
        "Stage IV Breast Cancer"
      ],
      "interventions": [
        {
          "name": "everolimus",
          "type": "DRUG"
        },
        {
          "name": "anastrozole",
          "type": "DRUG"
        },
        {
          "name": "letrozole",
          "type": "DRUG"
        },
        {
          "name": "tamoxifen citrate",
          "type": "DRUG"
        },
        {
          "name": "fulvestrant",
          "type": "DRUG"
        },
        {
          "name": "megestrol acetate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "19 Years and older · Female only"
      },
      "enrollment_count": 3,
      "start_date": "2014-11-25",
      "completion_date": "2021-01-25",
      "has_results": true,
      "last_update_posted_date": "2022-04-05",
      "last_synced_at": "2026-10-09T19:54:23.592Z",
      "location_count": 3,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02269670"
    },
    {
      "nct_id": "NCT02235051",
      "title": "Exercise Intervention in Preventing Breast Cancer Recurrence in Postmenopausal Breast Cancer Survivors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cancer Survivor",
        "Estrogen Receptor-positive Breast Cancer",
        "Stage IA Breast Cancer",
        "Stage IB Breast Cancer",
        "Stage IIA Breast Cancer",
        "Stage IIB Breast Cancer",
        "Stage IIIA Breast Cancer",
        "Postmenopausal"
      ],
      "interventions": [
        {
          "name": "exercise intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        },
        {
          "name": "questionnaire administration",
          "type": "OTHER"
        },
        {
          "name": "quality-of-life assessment",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "City of Hope Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "56 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "56 Years and older · Female only"
      },
      "enrollment_count": 50,
      "start_date": "2014-09-07",
      "completion_date": "2022-06-03",
      "has_results": false,
      "last_update_posted_date": "2023-03-21",
      "last_synced_at": "2026-10-09T19:54:23.592Z",
      "location_count": 1,
      "location_summary": "Duarte, California",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02235051"
    },
    {
      "nct_id": "NCT03289039",
      "title": "Neratinib +/- Fulvestrant in HER2+, ER+ Metastatic Breast Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Neratinib",
          "type": "DRUG"
        },
        {
          "name": "Fulvestrant",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Dana-Farber Cancer Institute",
      "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": 21,
      "start_date": "2017-10-25",
      "completion_date": "2021-07-20",
      "has_results": true,
      "last_update_posted_date": "2026-01-22",
      "last_synced_at": "2026-10-09T19:54:23.592Z",
      "location_count": 6,
      "location_summary": "Indianapolis, Indiana • Brewer, Maine • Boston, Massachusetts + 3 more",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Brewer",
          "state": "Maine"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Londonderry",
          "state": "New Hampshire"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03289039"
    },
    {
      "nct_id": "NCT04176757",
      "title": "A Study of ZN-c5 in Participants With Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "ZN-c5",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Zeno Alpha Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 35,
      "start_date": "2020-01-03",
      "completion_date": "2021-05-25",
      "has_results": false,
      "last_update_posted_date": "2022-08-01",
      "last_synced_at": "2026-10-09T19:54:23.592Z",
      "location_count": 5,
      "location_summary": "Tucson, Arizona • New York, New York • Nashville, Tennessee + 2 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        },
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04176757"
    },
    {
      "nct_id": "NCT02115594",
      "title": "Phase 2 Study of Fulvestrant With and Without Entinostat in Postmenopausal Women With ER+ Advanced Breast Cancer",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Fulvestrant",
          "type": "DRUG"
        },
        {
          "name": "Entinostat",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Syndax Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "Female only"
      },
      "enrollment_count": 0,
      "start_date": "2014-04",
      "completion_date": "2016-06",
      "has_results": false,
      "last_update_posted_date": "2014-10-08",
      "last_synced_at": "2026-10-09T19:54:23.592Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02115594"
    },
    {
      "nct_id": "NCT03774472",
      "title": "Hydroxychloroquine, Palbociclib, and Letrozole Before Surgery in Treating Patients With Estrogen Receptor Positive, HER2 Negative Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "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",
        "Prognostic Stage I Breast Cancer AJCC v8",
        "Prognostic Stage IA Breast Cancer AJCC v8",
        "Prognostic Stage IB 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": "Hydroxychloroquine",
          "type": "DRUG"
        },
        {
          "name": "Letrozole",
          "type": "DRUG"
        },
        {
          "name": "Palbociclib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "M.D. Anderson 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": 15,
      "start_date": "2018-08-20",
      "completion_date": "2024-04-17",
      "has_results": true,
      "last_update_posted_date": "2025-02-17",
      "last_synced_at": "2026-10-09T19:54:23.592Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03774472"
    },
    {
      "nct_id": "NCT01009437",
      "title": "Ritonavir and Its Effects on Biomarkers in Women Undergoing Surgery for Newly Diagnosed Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "ritonavir",
          "type": "DRUG"
        },
        {
          "name": "therapeutic conventional surgery",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Masonic Cancer Center, University of Minnesota",
      "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": 28,
      "start_date": "2010-05-26",
      "completion_date": "2014-07",
      "has_results": false,
      "last_update_posted_date": "2017-12-05",
      "last_synced_at": "2026-10-09T19:54:23.592Z",
      "location_count": 2,
      "location_summary": "Minneapolis, Minnesota • Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01009437"
    },
    {
      "nct_id": "NCT01319539",
      "title": "MK2206 in Treating Patients With Stage I, Stage II, or Stage III Breast Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Estrogen Receptor Negative",
        "Estrogen Receptor Positive",
        "HER2/Neu Negative",
        "HER2/Neu Positive",
        "Progesterone Receptor Negative",
        "Progesterone Receptor Positive",
        "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",
        "Triple-Negative Breast Carcinoma"
      ],
      "interventions": [
        {
          "name": "Akt Inhibitor MK2206",
          "type": "DRUG"
        },
        {
          "name": "Therapeutic Conventional Surgery",
          "type": "PROCEDURE"
        },
        {
          "name": "Pharmacological Study",
          "type": "OTHER"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 12,
      "start_date": "2011-04",
      "completion_date": "2013-07",
      "has_results": true,
      "last_update_posted_date": "2017-08-30",
      "last_synced_at": "2026-10-09T19:54:23.592Z",
      "location_count": 3,
      "location_summary": "New York, New York • The Bronx, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "The Bronx",
          "state": "New York"
        },
        {
          "city": "The Bronx",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01319539"
    }
  ]
}