{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Breast+Neoplasms&page=43",
    "query": {
      "condition": "Breast Neoplasms",
      "page": 43
    },
    "page_size": 10
  },
  "pagination": {
    "page": 43,
    "page_size": 10,
    "total_count": 7077,
    "total_pages": 708,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Breast+Neoplasms&page=44&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Breast+Neoplasms&page=42&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-28T14:26:50.043Z",
  "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": "NCT04561362",
      "title": "Study BT8009-100 in Subjects With Nectin-4 Expressing Advanced Malignancies",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Urinary Bladder Neoplasm",
        "Triple Negative Breast Neoplasms",
        "Hormone Receptor Positive, HER2-negative Neoplasms",
        "Hormone Receptor Positive, HER2-low Neoplasms",
        "Breast Neoplasms",
        "Non-Small-Cell Lung Neoplasms",
        "Ovarian Neoplasm",
        "Advanced Solid Tumor"
      ],
      "interventions": [
        {
          "name": "BT8009",
          "type": "DRUG"
        },
        {
          "name": "Pembrolizumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "BicycleTx Limited",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 329,
      "start_date": "2020-07-17",
      "completion_date": "2027-01",
      "has_results": false,
      "last_update_posted_date": "2026-10-20",
      "last_synced_at": "2026-10-28T14:26:50.043Z",
      "location_count": 9,
      "location_summary": "Denver, Colorado • Ocala, Florida • Orlando, Florida + 6 more",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Ocala",
          "state": "Florida"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04561362"
    },
    {
      "nct_id": "NCT01494662",
      "title": "HKI-272 for HER2-Positive Breast Cancer and Brain Metastases",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "HKI-272",
          "type": "DRUG"
        },
        {
          "name": "Surgical Resection",
          "type": "PROCEDURE"
        },
        {
          "name": "Capecitabine",
          "type": "DRUG"
        },
        {
          "name": "Ado-Trastuzumab Emtansine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Dana-Farber 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": 140,
      "start_date": "2012-02",
      "completion_date": "2024-04-19",
      "has_results": true,
      "last_update_posted_date": "2026-01-23",
      "last_synced_at": "2026-10-28T14:26:50.043Z",
      "location_count": 18,
      "location_summary": "San Francisco, California • Washington D.C., District of Columbia • Baltimore, Maryland + 11 more",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01494662"
    },
    {
      "nct_id": "NCT07044583",
      "title": "SAVE Trial: SAfe Opioid Use Video Education",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Reconstruction",
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Opioid Educational Video",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Utah",
      "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": 68,
      "start_date": "2025-10-27",
      "completion_date": "2027-08",
      "has_results": false,
      "last_update_posted_date": "2025-11-26",
      "last_synced_at": "2026-10-28T14:26:50.043Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07044583"
    },
    {
      "nct_id": "NCT01276041",
      "title": "Paclitaxel, Trastuzumab, and Pertuzumab in the Treatment of Metastatic HER2-Positive Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "pertuzumab in combination with trastuzumab and paclitaxel",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "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": 70,
      "start_date": "2011-01-05",
      "completion_date": "2019-08-07",
      "has_results": true,
      "last_update_posted_date": "2020-08-03",
      "last_synced_at": "2026-10-28T14:26:50.043Z",
      "location_count": 6,
      "location_summary": "Basking Ridge, New Jersey • Middletown, New Jersey • Commack, New York + 3 more",
      "locations": [
        {
          "city": "Basking Ridge",
          "state": "New Jersey"
        },
        {
          "city": "Middletown",
          "state": "New Jersey"
        },
        {
          "city": "Commack",
          "state": "New York"
        },
        {
          "city": "Harrison",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01276041"
    },
    {
      "nct_id": "NCT04190056",
      "title": "Pembrolizumab and Tamoxifen With or Without Vorinostat for the Treatment of Estrogen Receptor Positive Breast Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Anatomic Stage IV Breast Cancer AJCC v8",
        "Prognostic Stage IV Breast Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Pembrolizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Tamoxifen",
          "type": "DRUG"
        },
        {
          "name": "Vorinostat",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1,
      "start_date": "2021-03-11",
      "completion_date": "2023-06-15",
      "has_results": true,
      "last_update_posted_date": "2023-08-31",
      "last_synced_at": "2026-10-28T14:26:50.043Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04190056"
    },
    {
      "nct_id": "NCT01197456",
      "title": "Predictors of Ovarian Insufficiency in Young Breast Cancer Patients",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer",
        "Ovarian Insufficiency",
        "Ovarian Failure"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of California, San Diego",
      "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": 232,
      "start_date": "2008-09-24",
      "completion_date": "2019-07-18",
      "has_results": true,
      "last_update_posted_date": "2020-04-22",
      "last_synced_at": "2026-10-28T14:26:50.043Z",
      "location_count": 2,
      "location_summary": "La Jolla, California • Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01197456"
    },
    {
      "nct_id": "NCT00445445",
      "title": "Changes in Breast Density and Breast Cancer Risk in Women With Breast Cancer and in Healthy Women",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "physiologic testing",
          "type": "OTHER"
        },
        {
          "name": "screening questionnaire administration",
          "type": "OTHER"
        },
        {
          "name": "breast imaging study",
          "type": "PROCEDURE"
        },
        {
          "name": "radiomammography",
          "type": "PROCEDURE"
        },
        {
          "name": "study of high risk factors",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Case Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "40 Years and older · Female only"
      },
      "enrollment_count": 2201,
      "start_date": "2007-01-10",
      "completion_date": "2014-07-21",
      "has_results": false,
      "last_update_posted_date": "2020-02-11",
      "last_synced_at": "2026-10-28T14:26:50.043Z",
      "location_count": 8,
      "location_summary": "Cleveland, Ohio • Mayfield Heights, Ohio • Mentor, Ohio + 5 more",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "Mayfield Heights",
          "state": "Ohio"
        },
        {
          "city": "Mentor",
          "state": "Ohio"
        },
        {
          "city": "Middleburg Heights",
          "state": "Ohio"
        },
        {
          "city": "Orange",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00445445"
    },
    {
      "nct_id": "NCT03897270",
      "title": "Photoacoustic Imaging of the Breast in Patients With Breast Cancer and Healthy Subjects",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Carcinoma",
        "Healthy Subject"
      ],
      "interventions": [
        {
          "name": "Photoacoustic Imaging",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Roswell Park Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 400,
      "start_date": "2018-10-25",
      "completion_date": "2026-12-25",
      "has_results": false,
      "last_update_posted_date": "2026-10-02",
      "last_synced_at": "2026-10-28T14:26:50.043Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03897270"
    },
    {
      "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": "2026-10-28T14:26:50.043Z",
      "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": "NCT00839696",
      "title": "Total Xenoestrogen Body Burden in Relation to Mammographic Density, a Marker of Breast Cancer Rlisk",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer Risk"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": "70 Years",
        "sex": "FEMALE",
        "summary": "55 Years to 70 Years · Female only"
      },
      "enrollment_count": 270,
      "start_date": "2008-07",
      "completion_date": "2010-04",
      "has_results": false,
      "last_update_posted_date": "2019-11-19",
      "last_synced_at": "2026-10-28T14:26:50.043Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00839696"
    }
  ]
}