{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=External+beam+radiation+therapy&page=2",
    "query": {
      "intervention": "External beam radiation therapy",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 534,
    "total_pages": 54,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=External+beam+radiation+therapy&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=External+beam+radiation+therapy&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-06T16:00:14.062Z",
  "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": "NCT05095376",
      "title": "Testing the Addition of the Chemotherapy Drug Lomustine (Gleostine) to the Usual Treatment (Temozolomide and Radiation Therapy) for Newly Diagnosed MGMT Methylated Glioblastoma",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Glioblastoma",
        "Gliosarcoma"
      ],
      "interventions": [
        {
          "name": "Lomustine",
          "type": "DRUG"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Photon Beam Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Temozolomide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE",
        "RADIATION",
        "OTHER"
      ],
      "sponsor": "NRG Oncology",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 265,
      "start_date": "2022-03-28",
      "completion_date": "2031-02-12",
      "has_results": false,
      "last_update_posted_date": "2026-08-17",
      "last_synced_at": "2026-10-06T16:00:14.062Z",
      "location_count": 418,
      "location_summary": "Fairbanks, Alaska • Fayetteville, Arkansas • Little Rock, Arkansas + 304 more",
      "locations": [
        {
          "city": "Fairbanks",
          "state": "Alaska"
        },
        {
          "city": "Fayetteville",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Rogers",
          "state": "Arkansas"
        },
        {
          "city": "Springdale",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05095376"
    },
    {
      "nct_id": "NCT01502917",
      "title": "Convection-Enhanced Delivery of 124I-Omburtamab for Patients With Non-Progressive Diffuse Pontine Gliomas Previously Treated With External Beam Radiation Therapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Brain Cancer",
        "Brain Stem Glioma"
      ],
      "interventions": [
        {
          "name": "Radioactive iodine-labeled monoclonal antibody omburtamab",
          "type": "DRUG"
        },
        {
          "name": "External Beam Radiotherapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "Y-mAbs Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "2 Years to 21 Years"
      },
      "enrollment_count": 50,
      "start_date": "2011-12",
      "completion_date": "2022-01",
      "has_results": false,
      "last_update_posted_date": "2023-12-19",
      "last_synced_at": "2026-10-06T16:00:14.062Z",
      "location_count": 2,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01502917"
    },
    {
      "nct_id": "NCT00068549",
      "title": "Radiation Therapy Plus Cisplatin and Gemcitabine in Treating Patients With Cervical Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Cervical Adenocarcinoma",
        "Cervical Adenosquamous Carcinoma",
        "Cervical Small Cell Carcinoma",
        "Cervical Squamous Cell Carcinoma",
        "Stage IB Cervical Cancer",
        "Stage IIA Cervical Cancer",
        "Stage IIB Cervical Cancer",
        "Stage III Cervical Cancer",
        "Stage IVA Cervical Cancer"
      ],
      "interventions": [
        {
          "name": "Gemcitabine Hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Cisplatin",
          "type": "DRUG"
        },
        {
          "name": "Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Internal Radiation Therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "Gynecologic Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "Female only"
      },
      "enrollment_count": 13,
      "start_date": "2003-10",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2014-12-25",
      "last_synced_at": "2026-10-06T16:00:14.062Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00068549"
    },
    {
      "nct_id": "NCT05805371",
      "title": "PSCA-Targeting CAR-T Cells Plus or Minus Radiation for the Treatment of Patients With PSCA+ Metastatic Castration-Resistant Prostate Cancer",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Castration-Resistant Prostate Carcinoma",
        "Metastatic Prostate Carcinoma",
        "Stage IVB Prostate Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Autologous Anti-PSCA-CAR-4-1BB/TCRzeta-CD19t-expressing T-lymphocytes",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Scan",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "External Beam Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Leukapheresis",
          "type": "PROCEDURE"
        },
        {
          "name": "Lymphodepletion Therapy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "PROCEDURE",
        "RADIATION"
      ],
      "sponsor": "City of Hope Medical Center",
      "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": 21,
      "start_date": "2024-10-09",
      "completion_date": "2028-11-11",
      "has_results": false,
      "last_update_posted_date": "2026-08-21",
      "last_synced_at": "2026-10-06T16:00:14.062Z",
      "location_count": 1,
      "location_summary": "Duarte, California",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05805371"
    },
    {
      "nct_id": "NCT02159248",
      "title": "Tolfenamic Acid, Gemcitabine and Radiation for Locally Advanced or Metastatic Pancreatic Cancer Requiring Radiation",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Pancreatic Cancer"
      ],
      "interventions": [
        {
          "name": "Tolfenamic acid + gemcitabine + radiation",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Orlando Health, Inc.",
      "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": "2014-03",
      "completion_date": "2019-12",
      "has_results": false,
      "last_update_posted_date": "2015-04-28",
      "last_synced_at": "2026-10-06T16:00:14.062Z",
      "location_count": 1,
      "location_summary": "Orlando, Florida",
      "locations": [
        {
          "city": "Orlando",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02159248"
    },
    {
      "nct_id": "NCT03184038",
      "title": "Neurocognition in Patients With Multiple Brain Metastases Treated With Radiosurgery",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Metastatic Malignant Neoplasm in the Brain",
        "Metastatic Malignant Solid Neoplasm"
      ],
      "interventions": [
        {
          "name": "Cognitive Assessment",
          "type": "PROCEDURE"
        },
        {
          "name": "Stereotactic Radiosurgery",
          "type": "RADIATION"
        },
        {
          "name": "Stereotactic Body Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "RADIATION",
        "OTHER"
      ],
      "sponsor": "Sidney Kimmel Comprehensive Cancer Center at Thomas Jefferson University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 90,
      "start_date": "2017-02-21",
      "completion_date": "2026-09-30",
      "has_results": false,
      "last_update_posted_date": "2026-05-22",
      "last_synced_at": "2026-10-06T16:00:14.062Z",
      "location_count": 2,
      "location_summary": "Sewell, New Jersey • Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Sewell",
          "state": "New Jersey"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03184038"
    },
    {
      "nct_id": "NCT01448447",
      "title": "Phase IV Trial to Evaluate Breast Brachytherapy Using the Mammosite-Ml®",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer",
        "Ductal Carcinoma in Situ"
      ],
      "interventions": [
        {
          "name": "Mammosite ML",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Mercy Research",
      "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": 20,
      "start_date": "2009-12",
      "completion_date": "2016-04",
      "has_results": true,
      "last_update_posted_date": "2021-07-15",
      "last_synced_at": "2026-10-06T16:00:14.062Z",
      "location_count": 2,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01448447"
    },
    {
      "nct_id": "NCT01228448",
      "title": "In-Room PET in Proton Radiation Therapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Brain Tumor",
        "Head and Neck Tumor",
        "Skull Base Tumor"
      ],
      "interventions": [
        {
          "name": "PET scan",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 59,
      "start_date": "2010-10",
      "completion_date": "2020-01",
      "has_results": false,
      "last_update_posted_date": "2020-08-18",
      "last_synced_at": "2026-10-06T16:00:14.062Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01228448"
    },
    {
      "nct_id": "NCT06451614",
      "title": "SpaceIT Hydrogel System for Perirectal Spacing",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "SpaceIT Hydrogel System",
          "type": "DEVICE"
        },
        {
          "name": "Commercially available Boston Scientific Spacer",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Boston Scientific Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 230,
      "start_date": "2024-10-30",
      "completion_date": "2028-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-09-14",
      "last_synced_at": "2026-10-06T16:00:14.062Z",
      "location_count": 23,
      "location_summary": "Laguna Hills, California • Los Angeles, California • Miami, Florida + 18 more",
      "locations": [
        {
          "city": "Laguna Hills",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06451614"
    },
    {
      "nct_id": "NCT00738452",
      "title": "Radiolabeled Monoclonal Antibody Therapy in Treating Patients With Stage I-IIIB Non-Small Cell Lung Cancer After Completion of Radiation Therapy Alone or Combined Radiation Therapy and Chemotherapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Lung Cancer"
      ],
      "interventions": [
        {
          "name": "high performance liquid chromatography",
          "type": "OTHER"
        },
        {
          "name": "pharmacological study",
          "type": "OTHER"
        },
        {
          "name": "radionuclide imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "single photon emission computed tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "radiation therapy",
          "type": "RADIATION"
        },
        {
          "name": "yttrium Y 90 anti-CEA monoclonal antibody cT84.66",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE",
        "RADIATION"
      ],
      "sponsor": "City of Hope 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": 10,
      "start_date": "2008-08-06",
      "completion_date": "2018-02-07",
      "has_results": false,
      "last_update_posted_date": "2018-02-13",
      "last_synced_at": "2026-10-06T16:00:14.062Z",
      "location_count": 1,
      "location_summary": "Duarte, California",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00738452"
    }
  ]
}