{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Breast+Cancer&page=55",
    "query": {
      "condition": "Breast Cancer",
      "page": 55
    },
    "page_size": 10
  },
  "pagination": {
    "page": 55,
    "page_size": 10,
    "total_count": 7083,
    "total_pages": 709,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Breast+Cancer&page=56&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Breast+Cancer&page=54&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-03T14:16:52.166Z",
  "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": "NCT03781063",
      "title": "Evaluation of Lasofoxifene Versus Fulvestrant in Advanced or Metastatic ER+/HER2- Breast Cancer With an ESR1 Mutation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Locally Advanced or Metastatic Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Lasofoxifene",
          "type": "DRUG"
        },
        {
          "name": "Fulvestrant",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sermonix Pharmaceuticals Inc.",
      "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": 100,
      "start_date": "2019-09-20",
      "completion_date": "2025-05-08",
      "has_results": false,
      "last_update_posted_date": "2026-01-28",
      "last_synced_at": "2026-11-03T14:16:52.166Z",
      "location_count": 42,
      "location_summary": "Phoenix, Arizona • Yuma, Arizona • Duarte, California + 36 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Yuma",
          "state": "Arizona"
        },
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Fountain Valley",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03781063"
    },
    {
      "nct_id": "NCT02755987",
      "title": "Expanded Access to ANG1005 for Individual Patients",
      "overall_status": "NO_LONGER_AVAILABLE",
      "study_type": "EXPANDED_ACCESS",
      "phases": [],
      "conditions": [
        "Anaplastic Astrocytoma",
        "Anaplastic Oligodendroglioma",
        "Breast Cancer With Recurrent Brain Metastases",
        "Leptomeningeal Carcinomatosis"
      ],
      "interventions": [
        {
          "name": "ANG1005",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Angiochem Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": null,
      "start_date": null,
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2016-06-07",
      "last_synced_at": "2026-11-03T14:16:52.166Z",
      "location_count": 2,
      "location_summary": "Orange, California • San Antonio, Texas",
      "locations": [
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02755987"
    },
    {
      "nct_id": "NCT01697293",
      "title": "PTX-200, Paclitaxel, Doxorubicin Hydrochloride, and Cyclophosphamide in Treating Patients With Stage IIB-IV Breast Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Breast Adenocarcinoma",
        "Estrogen Receptor Positive",
        "HER2/Neu Negative",
        "Recurrent Breast Carcinoma",
        "Stage IIB Breast Cancer",
        "Stage IIIA Breast Cancer",
        "Stage IIIB Breast Cancer",
        "Stage IIIC Breast Cancer",
        "Stage IV Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Doxorubicin Hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Paclitaxel",
          "type": "DRUG"
        },
        {
          "name": "Therapeutic Conventional Surgery",
          "type": "PROCEDURE"
        },
        {
          "name": "Triciribine Phosphate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Prescient Therapeutics, Ltd.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 34,
      "start_date": "2012-01",
      "completion_date": "2020-06",
      "has_results": false,
      "last_update_posted_date": "2020-09-24",
      "last_synced_at": "2026-11-03T14:16:52.166Z",
      "location_count": 2,
      "location_summary": "Tampa, Florida • The Bronx, New York",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "The Bronx",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01697293"
    },
    {
      "nct_id": "NCT04125914",
      "title": "Weight Management and Health Behavior Intervention in Lowering Cancer Risk for BRCA Positive and Lynch Syndrome Families",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hereditary Breast Carcinoma",
        "Hereditary Ovarian Carcinoma",
        "Lynch Syndrome"
      ],
      "interventions": [
        {
          "name": "Behavioral Dietary Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "E-mail",
          "type": "OTHER"
        },
        {
          "name": "Exercise Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Health Promotion and Education",
          "type": "OTHER"
        },
        {
          "name": "Internet-Based Intervention",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Telephone-Based Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "M.D. Anderson 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": 384,
      "start_date": "2017-01-26",
      "completion_date": "2028-04-30",
      "has_results": false,
      "last_update_posted_date": "2026-10-06",
      "last_synced_at": "2026-11-03T14:16:52.166Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04125914"
    },
    {
      "nct_id": "NCT00869804",
      "title": "Heading Off Peripheral Neuropathy With Exercise",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Peripheral Nervous System Disorders",
        "Breast Neoplasms",
        "Chemotherapy"
      ],
      "interventions": [
        {
          "name": "Aerobic/ Resistance Exercise Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Attention control",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Nebraska",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "19 Years and older"
      },
      "enrollment_count": 19,
      "start_date": "2009-03-25",
      "completion_date": "2011-12-13",
      "has_results": false,
      "last_update_posted_date": "2023-12-05",
      "last_synced_at": "2026-11-03T14:16:52.166Z",
      "location_count": 1,
      "location_summary": "Omaha, Nebraska",
      "locations": [
        {
          "city": "Omaha",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00869804"
    },
    {
      "nct_id": "NCT05032404",
      "title": "Blue Note Therapeutics Product BNT 103 Usability and User Engagement",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer Female"
      ],
      "interventions": [
        {
          "name": "BNT103",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Blue Note Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": "55 Years",
        "sex": "FEMALE",
        "summary": "35 Years to 55 Years · Female only"
      },
      "enrollment_count": 15,
      "start_date": "2021-09-01",
      "completion_date": "2021-12-31",
      "has_results": false,
      "last_update_posted_date": "2022-10-19",
      "last_synced_at": "2026-11-03T14:16:52.166Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05032404"
    },
    {
      "nct_id": "NCT04799665",
      "title": "Dedicated Breast CT for Quantitative Breast Density Measurements in Mexican-origin Women in Southern Arizona",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Metabolic Syndrome",
        "Obesity Associated Disorder"
      ],
      "interventions": [
        {
          "name": "Breast CT",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of Arizona",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "65 Years",
        "sex": "FEMALE",
        "summary": "40 Years to 65 Years · Female only"
      },
      "enrollment_count": 92,
      "start_date": "2022-04-28",
      "completion_date": "2024-05-01",
      "has_results": false,
      "last_update_posted_date": "2024-05-21",
      "last_synced_at": "2026-11-03T14:16:52.166Z",
      "location_count": 1,
      "location_summary": "Tucson, Arizona",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04799665"
    },
    {
      "nct_id": "NCT07910565",
      "title": "Prospective Study to Evaluate the Clinical Utility of ctDNA Tumor Fraction (TF) for Detection of ESR1 Mutations in HR+/HER2- Metastatic Breast Cancer (MBC)",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer",
        "Metastatic Breast Cancer",
        "HR+/HER- Metastatic Breast Cancer"
      ],
      "interventions": [
        {
          "name": "FoundationOne® Liquid CDx (F1LCDx)",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Reflex tissue biopsy",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 155,
      "start_date": "2026-11",
      "completion_date": "2031-10",
      "has_results": false,
      "last_update_posted_date": "2026-11-02",
      "last_synced_at": "2026-11-03T14:16:52.166Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07910565"
    },
    {
      "nct_id": "NCT03270111",
      "title": "High Physical Activity During a Weight Loss Intervention for Breast Cancer Survivors and High Risk Women",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer Female"
      ],
      "interventions": [
        {
          "name": "Supervised Exercise",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Home-based Exercise",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Reduced Energy Diet",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Group Phone Calls",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Carol Fabian, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "70 Years",
        "sex": "FEMALE",
        "summary": "50 Years to 70 Years · Female only"
      },
      "enrollment_count": 11,
      "start_date": "2017-09-25",
      "completion_date": "2018-07-24",
      "has_results": false,
      "last_update_posted_date": "2024-12-18",
      "last_synced_at": "2026-11-03T14:16:52.166Z",
      "location_count": 1,
      "location_summary": "Kansas City, Kansas",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03270111"
    },
    {
      "nct_id": "NCT02500199",
      "title": "Phase I Study of Pyrotinib in Patients With HER2-positive Solid Tumors",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Breast Cancer",
        "Gastric Cancer",
        "Solid Tumors",
        "NSCLC"
      ],
      "interventions": [
        {
          "name": "Pyrotinib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Hengrui Therapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2015-06",
      "completion_date": "2021-06",
      "has_results": false,
      "last_update_posted_date": "2021-02-01",
      "last_synced_at": "2026-11-03T14:16:52.166Z",
      "location_count": 10,
      "location_summary": "Orange, California • Sacramento, California • Sarasota, Florida + 6 more",
      "locations": [
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Sarasota",
          "state": "Florida"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02500199"
    }
  ]
}