{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=external+beam+radiation+therapy+%28EBRT%29",
    "query": {
      "intervention": "external beam radiation therapy (EBRT)"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 488,
    "total_pages": 49,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=external+beam+radiation+therapy+%28EBRT%29&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-10-09T16:11:44.660Z",
  "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": "NCT00858663",
      "title": "Radiation Therapy (IMRT) + RAD001 (Everolimus) + Cisplatin for Patients With Head and Neck Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Head and Neck Cancer"
      ],
      "interventions": [
        {
          "name": "intensity modulated radiation therapy",
          "type": "RADIATION"
        },
        {
          "name": "RAD001 (everolimus) + Cisplatin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "DRUG"
      ],
      "sponsor": "Memorial Sloan Kettering 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": 13,
      "start_date": "2009-03",
      "completion_date": "2013-07",
      "has_results": false,
      "last_update_posted_date": "2013-07-25",
      "last_synced_at": "2026-10-09T16:11:44.660Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00858663"
    },
    {
      "nct_id": "NCT00766636",
      "title": "Preoperative Chemotherapy (Gemcitabine and Erlotinib) With or Without Radiation Therapy",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Pancreatic Cancer"
      ],
      "interventions": [
        {
          "name": "Gemcitabine",
          "type": "DRUG"
        },
        {
          "name": "Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Erlotinib",
          "type": "DRUG"
        },
        {
          "name": "Surgery",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION",
        "PROCEDURE"
      ],
      "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": 5,
      "start_date": "2008-09",
      "completion_date": null,
      "has_results": true,
      "last_update_posted_date": "2016-05-19",
      "last_synced_at": "2026-10-09T16:11:44.660Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00766636"
    },
    {
      "nct_id": "NCT02177838",
      "title": "Cetuximab and Radiation Therapy in Treating Patients With Stage III-IV Head and Neck Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Stage III Squamous Cell Carcinoma of the Hypopharynx",
        "Stage III Squamous Cell Carcinoma of the Larynx",
        "Stage III Squamous Cell Carcinoma of the Oropharynx",
        "Stage III Verrucous Carcinoma of the Larynx",
        "Stage IV Squamous Cell Carcinoma of the Hypopharynx",
        "Stage IVA Squamous Cell Carcinoma of the Larynx",
        "Stage IVA Squamous Cell Carcinoma of the Oropharynx",
        "Stage IVA Verrucous Carcinoma of the Larynx",
        "Stage IVB Squamous Cell Carcinoma of the Larynx",
        "Stage IVB Squamous Cell Carcinoma of the Oropharynx",
        "Stage IVB Verrucous Carcinoma of the Larynx",
        "Tongue Cancer"
      ],
      "interventions": [
        {
          "name": "cetuximab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "cisplatin",
          "type": "DRUG"
        },
        {
          "name": "external beam radiation therapy",
          "type": "RADIATION"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "RADIATION",
        "OTHER"
      ],
      "sponsor": "Rutgers, The State University of New Jersey",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 8,
      "start_date": "2015-03-25",
      "completion_date": "2019-08-22",
      "has_results": true,
      "last_update_posted_date": "2021-04-21",
      "last_synced_at": "2026-10-09T16:11:44.660Z",
      "location_count": 1,
      "location_summary": "Newark, New Jersey",
      "locations": [
        {
          "city": "Newark",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02177838"
    },
    {
      "nct_id": "NCT00601627",
      "title": "Panitumumab, Chemotherapy, and External-Beam Radiation Therapy in Treating Patients With Locally Advanced Pancreatic Cancer That Cannot be Removed by Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Pancreatic Cancer"
      ],
      "interventions": [
        {
          "name": "panitumumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "capecitabine",
          "type": "DRUG"
        },
        {
          "name": "fluorouracil",
          "type": "DRUG"
        },
        {
          "name": "gemcitabine hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "radiation therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "Alliance for Clinical Trials in Oncology",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 52,
      "start_date": "2009-06",
      "completion_date": "2013-05",
      "has_results": true,
      "last_update_posted_date": "2017-04-05",
      "last_synced_at": "2026-10-09T16:11:44.660Z",
      "location_count": 281,
      "location_summary": "Aurora, Colorado • Boulder, Colorado • Colorado Springs, Colorado + 173 more",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Boulder",
          "state": "Colorado"
        },
        {
          "city": "Colorado Springs",
          "state": "Colorado"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00601627"
    },
    {
      "nct_id": "NCT00231842",
      "title": "Adjuvant Radiation Therapy With Ifosfamide in Patients With Mixed Mesodermal Tumors of the Uterus",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Uterine Cancer"
      ],
      "interventions": [
        {
          "name": "Ifosfamide",
          "type": "DRUG"
        },
        {
          "name": "Radiation Therapy",
          "type": "DEVICE"
        },
        {
          "name": "Cisplatin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Montefiore Medical 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": 30,
      "start_date": "2003-02",
      "completion_date": "2011-07",
      "has_results": true,
      "last_update_posted_date": "2019-01-23",
      "last_synced_at": "2026-10-09T16:11:44.660Z",
      "location_count": 1,
      "location_summary": "The Bronx, New York",
      "locations": [
        {
          "city": "The Bronx",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00231842"
    },
    {
      "nct_id": "NCT02449837",
      "title": "Investigation of Circulating Tumor Cells From Cancer Patients Undergoing Radiation Therapy",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Circulating Tumor Cells"
      ],
      "interventions": [
        {
          "name": "Blood draw",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "UNC Lineberger Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 162,
      "start_date": "2014-05",
      "completion_date": "2022-02-20",
      "has_results": false,
      "last_update_posted_date": "2022-09-28",
      "last_synced_at": "2026-10-09T16:11:44.660Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02449837"
    },
    {
      "nct_id": "NCT03371719",
      "title": "Radiation Therapy With or Without Apalutamide in Treating Patients With Recurrent Prostate Cancer, the BALANCE Trial",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Recurrent Prostate Carcinoma",
        "Stage III Prostate Adenocarcinoma AJCC v7",
        "Stage IV Prostate Adenocarcinoma AJCC v7"
      ],
      "interventions": [
        {
          "name": "Apalutamide",
          "type": "DRUG"
        },
        {
          "name": "External Beam Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Placebo Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION",
        "OTHER"
      ],
      "sponsor": "NRG Oncology",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 298,
      "start_date": "2018-06-20",
      "completion_date": "2030-03-10",
      "has_results": true,
      "last_update_posted_date": "2026-10-01",
      "last_synced_at": "2026-10-09T16:11:44.660Z",
      "location_count": 352,
      "location_summary": "Gilbert, Arizona • Peoria, Arizona • Scottsdale, Arizona + 251 more",
      "locations": [
        {
          "city": "Gilbert",
          "state": "Arizona"
        },
        {
          "city": "Peoria",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Surprise",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03371719"
    },
    {
      "nct_id": "NCT00096265",
      "title": "Radiation Therapy and Stereotactic Radiosurgery With or Without Temozolomide or Erlotinib in Treating Patients With Brain Metastases Secondary to Non-Small Cell Lung Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Metastatic Malignant Neoplasm in the Brain",
        "Recurrent Non-Small Cell Lung Carcinoma",
        "Stage IV Non-Small Cell Lung Cancer AJCC v7"
      ],
      "interventions": [
        {
          "name": "3-Dimensional Conformal Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Erlotinib Hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Stereotactic Radiosurgery",
          "type": "RADIATION"
        },
        {
          "name": "Temozolomide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "DRUG"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 126,
      "start_date": "2004-10-06",
      "completion_date": "2012-04-01",
      "has_results": true,
      "last_update_posted_date": "2018-03-09",
      "last_synced_at": "2026-10-09T16:11:44.660Z",
      "location_count": 80,
      "location_summary": "Scottsdale, Arizona • Burbank, California • Los Angeles, California + 67 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Burbank",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Pomona",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00096265"
    },
    {
      "nct_id": "NCT04210115",
      "title": "Study of Pembrolizumab (MK-3475) Versus Placebo in Participants With Esophageal Carcinoma Who Are Receiving Chemotherapy and Radiation Therapy (MK-3475-975/KEYNOTE-975)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Esophageal Squamous Cell Carcinoma (ESCC)",
        "Gastroesophageal Junction Carcinoma (GEJC)",
        "Esophageal Adenocarcinoma (EAC)"
      ],
      "interventions": [
        {
          "name": "pembrolizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        },
        {
          "name": "cisplatin",
          "type": "DRUG"
        },
        {
          "name": "5-FU",
          "type": "DRUG"
        },
        {
          "name": "radiotherapy",
          "type": "RADIATION"
        },
        {
          "name": "leucovorin",
          "type": "DRUG"
        },
        {
          "name": "levoleucovorin",
          "type": "DRUG"
        },
        {
          "name": "oxaliplatin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "Merck Sharp & Dohme LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 703,
      "start_date": "2020-02-28",
      "completion_date": "2026-06-23",
      "has_results": false,
      "last_update_posted_date": "2026-07-22",
      "last_synced_at": "2026-10-09T16:11:44.660Z",
      "location_count": 19,
      "location_summary": "Long Beach, California • Columbus, Georgia • Westwood, Kansas + 16 more",
      "locations": [
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Columbus",
          "state": "Georgia"
        },
        {
          "city": "Westwood",
          "state": "Kansas"
        },
        {
          "city": "Wichita",
          "state": "Kansas"
        },
        {
          "city": "New Orleans",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04210115"
    },
    {
      "nct_id": "NCT01096368",
      "title": "Maintenance Chemotherapy or Observation Following Induction Chemotherapy and Radiation Therapy in Treating Patients With Newly Diagnosed Ependymoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Anaplastic Ependymoma",
        "Brain Ependymoma",
        "Cellular Ependymoma",
        "Clear Cell Ependymoma",
        "Ependymoma",
        "Papillary Ependymoma"
      ],
      "interventions": [
        {
          "name": "3-Dimensional Conformal Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Carboplatin",
          "type": "DRUG"
        },
        {
          "name": "Cisplatin",
          "type": "DRUG"
        },
        {
          "name": "Clinical Observation",
          "type": "OTHER"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Etoposide",
          "type": "DRUG"
        },
        {
          "name": "Filgrastim",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Mesna",
          "type": "DRUG"
        },
        {
          "name": "Vincristine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "DRUG",
        "OTHER",
        "BIOLOGICAL"
      ],
      "sponsor": "Children's Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Months",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "12 Months to 21 Years"
      },
      "enrollment_count": 479,
      "start_date": "2010-05-07",
      "completion_date": "2026-03-31",
      "has_results": true,
      "last_update_posted_date": "2026-04-30",
      "last_synced_at": "2026-10-09T16:11:44.660Z",
      "location_count": 181,
      "location_summary": "Birmingham, Alabama • Mesa, Arizona • Phoenix, Arizona + 135 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01096368"
    }
  ]
}