{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=breast+irradiation&page=2",
    "query": {
      "intervention": "breast irradiation",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=breast+irradiation&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-29T19:49:30.835Z",
  "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": "NCT00527293",
      "title": "Partial Breast Radiation Therapy in Treating Women Undergoing Breast-Conserving Therapy for Early Stage Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "adjuvant therapy",
          "type": "PROCEDURE"
        },
        {
          "name": "3-dimensional conformal radiation therapy",
          "type": "RADIATION"
        },
        {
          "name": "brachytherapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "RADIATION"
      ],
      "sponsor": "Case 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": 29,
      "start_date": "2007-06",
      "completion_date": "2015-02",
      "has_results": false,
      "last_update_posted_date": "2015-08-25",
      "last_synced_at": "2026-09-29T19:49:30.835Z",
      "location_count": 4,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00527293"
    },
    {
      "nct_id": "NCT03437395",
      "title": "Accelerated Partial Breast Irradiation Study",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer Female"
      ],
      "interventions": [
        {
          "name": "Balloon Brachytherapy",
          "type": "DEVICE"
        },
        {
          "name": "3D Conformal External Beam Irradiation",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "RADIATION"
      ],
      "sponsor": "Sentara Norfolk General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "50 Years and older · Female only"
      },
      "enrollment_count": 139,
      "start_date": "2009-03-11",
      "completion_date": "2025-12",
      "has_results": false,
      "last_update_posted_date": "2025-04-02",
      "last_synced_at": "2026-09-29T19:49:30.835Z",
      "location_count": 1,
      "location_summary": "Harrisonburg, Virginia",
      "locations": [
        {
          "city": "Harrisonburg",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03437395"
    },
    {
      "nct_id": "NCT06867484",
      "title": "Breast Re-irradiation After Second Ipsilateral Lumpectomy",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer",
        "Cancer",
        "Cancer of the Breast",
        "HER2-negative Breast Cancer",
        "ER+ Breast Cancer",
        "Estrogen-receptor-positive Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Intensity modulated radiation therapy (IMRT)",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "Youssef Zeidan",
      "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": 114,
      "start_date": "2025-10-27",
      "completion_date": "2033-05",
      "has_results": false,
      "last_update_posted_date": "2025-11-13",
      "last_synced_at": "2026-09-29T19:49:30.835Z",
      "location_count": 2,
      "location_summary": "Boca Raton, Florida • Miami, Florida",
      "locations": [
        {
          "city": "Boca Raton",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06867484"
    },
    {
      "nct_id": "NCT00004174",
      "title": "Combination Chemotherapy Followed By Peripheral Stem Cell Transplantation in Treating Patients With Advanced Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "filgrastim",
          "type": "BIOLOGICAL"
        },
        {
          "name": "cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "paclitaxel",
          "type": "DRUG"
        },
        {
          "name": "thiotepa",
          "type": "DRUG"
        },
        {
          "name": "peripheral blood stem cell transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "radiation therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "PROCEDURE",
        "RADIATION"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "Up to 60 Years"
      },
      "enrollment_count": 30,
      "start_date": "1999-10",
      "completion_date": "2008-05",
      "has_results": false,
      "last_update_posted_date": "2013-07-10",
      "last_synced_at": "2026-09-29T19:49:30.835Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00004174"
    },
    {
      "nct_id": "NCT01570998",
      "title": "Intraoperative Radiation Therapy in Treating Patients With Breast Cancer Undergoing Breast-Conserving Surgery",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Stage IA Breast Cancer",
        "Stage IIA Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Intraoperative Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "OTHER"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "45 Years and older · Female only"
      },
      "enrollment_count": 1259,
      "start_date": "2012-05-18",
      "completion_date": "2028-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-03-18",
      "last_synced_at": "2026-09-29T19:49:30.835Z",
      "location_count": 25,
      "location_summary": "Berkeley, California • Irvine, California • Los Angeles, California + 20 more",
      "locations": [
        {
          "city": "Berkeley",
          "state": "California"
        },
        {
          "city": "Irvine",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Walnut Creek",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01570998"
    },
    {
      "nct_id": "NCT02538471",
      "title": "LY2157299 Monohydrate (LY2157299) and Radiotherapy in Metastatic Breast Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Metastatic Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Radiation therapy",
          "type": "RADIATION"
        },
        {
          "name": "Study Drug",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "DRUG"
      ],
      "sponsor": "Weill Medical College of Cornell University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 3,
      "start_date": "2015-08-10",
      "completion_date": "2019-02-20",
      "has_results": true,
      "last_update_posted_date": "2019-12-09",
      "last_synced_at": "2026-09-29T19:49:30.835Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02538471"
    },
    {
      "nct_id": "NCT03422003",
      "title": "Study of Radiation Fractionation on Patient Outcomes After Breast REConstruction (FABREC) for Invasive Breast Carcinoma",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Radiation Therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "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": 400,
      "start_date": "2018-04-01",
      "completion_date": "2030-04-01",
      "has_results": true,
      "last_update_posted_date": "2024-11-01",
      "last_synced_at": "2026-09-29T19:49:30.835Z",
      "location_count": 15,
      "location_summary": "San Francisco, California • Stanford, California • Edwards, Colorado + 10 more",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Edwards",
          "state": "Colorado"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03422003"
    },
    {
      "nct_id": "NCT01261559",
      "title": "Breast Displacement and CT Radiation Dose",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Computed Tomography",
        "Radiation Dosage"
      ],
      "interventions": [
        {
          "name": "Chrysalis breast displacement device",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 60 Years · Female only"
      },
      "enrollment_count": 72,
      "start_date": "2010-12",
      "completion_date": "2012-02",
      "has_results": true,
      "last_update_posted_date": "2018-07-06",
      "last_synced_at": "2026-09-29T19:49:30.835Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01261559"
    },
    {
      "nct_id": "NCT00165412",
      "title": "Breast MRI Screening in Women Treated With Mediastinal Irradiation for Hodgkin's Disease",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer",
        "Hodgkin's Disease"
      ],
      "interventions": [
        {
          "name": "breast MRI",
          "type": "PROCEDURE"
        },
        {
          "name": "Mammogram",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Dana-Farber Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "20 Years and older · Female only"
      },
      "enrollment_count": 148,
      "start_date": "2005-07",
      "completion_date": "2010-05",
      "has_results": false,
      "last_update_posted_date": "2019-05-02",
      "last_synced_at": "2026-09-29T19:49:30.835Z",
      "location_count": 3,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00165412"
    },
    {
      "nct_id": "NCT03872505",
      "title": "Pre-operAtive Non-Anthracycline Chemotherapy, Durvalumab +/- RAdiation Therapy in Triple Negative Breast Cancer",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer",
        "Triple Negative Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Durvalumab",
          "type": "DRUG"
        },
        {
          "name": "Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Carboplatin",
          "type": "DRUG"
        },
        {
          "name": "Paclitaxel",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "Cedars-Sinai Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2022-07",
      "completion_date": "2027-07",
      "has_results": false,
      "last_update_posted_date": "2021-08-25",
      "last_synced_at": "2026-09-29T19:49:30.835Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03872505"
    }
  ]
}