{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=External+beam+radiotherapy&page=2",
    "query": {
      "intervention": "External beam radiotherapy",
      "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=External+beam+radiotherapy&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-28T06:12:46.444Z",
  "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": "NCT01725165",
      "title": "Surgery and/or Radiation Therapy or Standard Therapy and/or Clinical Observation in Treating Patients With Previously Treated Stage IV Non-small Cell Lung Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Recurrent Lung Non-Small Cell Carcinoma",
        "Stage IV Non-Small Cell Lung Cancer AJCC v7"
      ],
      "interventions": [
        {
          "name": "Clinical Observation",
          "type": "OTHER"
        },
        {
          "name": "External Beam Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Standard Follow-Up Care",
          "type": "PROCEDURE"
        },
        {
          "name": "Therapeutic Conventional Surgery",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "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": 85,
      "start_date": "2012-11-28",
      "completion_date": "2024-05-08",
      "has_results": true,
      "last_update_posted_date": "2024-10-24",
      "last_synced_at": "2026-09-28T06:12:46.444Z",
      "location_count": 2,
      "location_summary": "Denver, Colorado • Houston, Texas",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01725165"
    },
    {
      "nct_id": "NCT07223307",
      "title": "REGULUS: MRI-guided Adaptive SABR for Liver Cancers",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Liver Cancer",
        "Intrahepatic Cholangiocarcinoma",
        "Liver Metastases",
        "HCC"
      ],
      "interventions": [
        {
          "name": "MRI-guided adaptive stereotactic ablative body radiotherapy (SABR)",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 62,
      "start_date": "2026-01-23",
      "completion_date": "2030-01",
      "has_results": false,
      "last_update_posted_date": "2026-02-09",
      "last_synced_at": "2026-09-28T06:12:46.444Z",
      "location_count": 1,
      "location_summary": "Palo Alto, California",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07223307"
    },
    {
      "nct_id": "NCT04214067",
      "title": "Testing the Addition of the Immunotherapy Drug, Pembrolizumab, to the Usual Radiation Treatment for Newly Diagnosed Early Stage High Intermediate Risk Endometrial Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Endometrial Endometrioid Adenocarcinoma",
        "Stage I Uterine Corpus Carcinoma or Carcinosarcoma AJCC v8",
        "Stage II Uterine Corpus Carcinoma or Carcinosarcoma AJCC v8"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Brachytherapy",
          "type": "RADIATION"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "External Beam Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Pembrolizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "X-Ray Imaging",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "RADIATION",
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 164,
      "start_date": "2020-04-09",
      "completion_date": "2027-02-05",
      "has_results": false,
      "last_update_posted_date": "2026-07-02",
      "last_synced_at": "2026-09-28T06:12:46.444Z",
      "location_count": 275,
      "location_summary": "Birmingham, Alabama • Clovis, California • Concord, California + 195 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Clovis",
          "state": "California"
        },
        {
          "city": "Clovis",
          "state": "California"
        },
        {
          "city": "Concord",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04214067"
    },
    {
      "nct_id": "NCT00003124",
      "title": "Hormone Therapy Plus Radiation Therapy in Treating Patients With Prostate Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "flutamide",
          "type": "DRUG"
        },
        {
          "name": "leuprolide acetate",
          "type": "DRUG"
        },
        {
          "name": "radiation therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "Herbert Irving Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "MALE",
        "summary": "Male only"
      },
      "enrollment_count": 105,
      "start_date": "1997-05",
      "completion_date": "2007-01",
      "has_results": false,
      "last_update_posted_date": "2014-01-06",
      "last_synced_at": "2026-09-28T06:12:46.444Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00003124"
    },
    {
      "nct_id": "NCT00006359",
      "title": "Androgen Suppression Plus Radiation Therapy in Treating Patients With Prostate Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "LHRH agonist",
          "type": "DRUG"
        },
        {
          "name": "antiandrogen",
          "type": "DRUG"
        },
        {
          "name": "radiation therapy",
          "type": "RADIATION"
        },
        {
          "name": "Brachytherapy boost",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "Alliance for Clinical Trials in Oncology",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "120 Years",
        "sex": "MALE",
        "summary": "18 Years to 120 Years · Male only"
      },
      "enrollment_count": 63,
      "start_date": "2000-09",
      "completion_date": "2012-03",
      "has_results": false,
      "last_update_posted_date": "2016-07-18",
      "last_synced_at": "2026-09-28T06:12:46.444Z",
      "location_count": 26,
      "location_summary": "Lewes, Delaware • Newark, Delaware • Wilmington, Delaware + 18 more",
      "locations": [
        {
          "city": "Lewes",
          "state": "Delaware"
        },
        {
          "city": "Newark",
          "state": "Delaware"
        },
        {
          "city": "Wilmington",
          "state": "Delaware"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Elkton MD",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00006359"
    },
    {
      "nct_id": "NCT07219680",
      "title": "Intervention for Communication Quality of Life in Primary Progressive Aphasia",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Primary Progressive Aphasia(PPA)",
        "Semantic Dementia",
        "Logopenic Progressive Aphasia (LPA)",
        "Nonfluent Aphasia, Progressive",
        "Progressive Aphasia",
        "Semantic Variant Primary Progressive Aphasia (svPPA)",
        "Semantic Aphasia",
        "Logopenic Variant Primary Progressive Aphasia",
        "Logopenic Variant of Primary Progressive Aphasia (LPA)",
        "Logopenic Progressive Aphasia",
        "Nonfluent Variant Primary Progressive Aphasia (nfvPPA)",
        "Nonfluent Progressive Aphasia"
      ],
      "interventions": [
        {
          "name": "Multicomponent Lexical Retrieval Cascade Training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Multicomponent Video Implemented Script Training in Aphasia",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Maya Henry",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2026-04-01",
      "completion_date": "2027-08",
      "has_results": false,
      "last_update_posted_date": "2026-04-21",
      "last_synced_at": "2026-09-28T06:12:46.444Z",
      "location_count": 1,
      "location_summary": "Austin, Texas",
      "locations": [
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07219680"
    },
    {
      "nct_id": "NCT00492206",
      "title": "Study of Cetuximab With Radiation Followed by Consolidation Chemotherapy for NSCLC",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Non Small Cell Lung Cancer (NSCLC)"
      ],
      "interventions": [
        {
          "name": "Cetuximab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2006-06",
      "completion_date": "2012-02",
      "has_results": true,
      "last_update_posted_date": "2017-02-01",
      "last_synced_at": "2026-09-28T06:12:46.444Z",
      "location_count": 31,
      "location_summary": "Miami, Florida • Atlanta, Georgia • Baltimore, Maryland + 17 more",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Steubenville",
          "state": "Ohio"
        },
        {
          "city": "Beaver",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00492206"
    },
    {
      "nct_id": "NCT01560949",
      "title": "Preoperative Folfirinox, Radiation Therapy for Resectable Adenocarcinoma of the Pancreas",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Pancreatic Cancer"
      ],
      "interventions": [
        {
          "name": "Oxaliplatin",
          "type": "DRUG"
        },
        {
          "name": "Irinotecan",
          "type": "DRUG"
        },
        {
          "name": "5-FU",
          "type": "DRUG"
        },
        {
          "name": "Gemcitabine",
          "type": "DRUG"
        },
        {
          "name": "Radiation Therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "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": 34,
      "start_date": "2012-06-14",
      "completion_date": "2019-02-20",
      "has_results": true,
      "last_update_posted_date": "2020-08-10",
      "last_synced_at": "2026-09-28T06:12:46.444Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01560949"
    },
    {
      "nct_id": "NCT02050919",
      "title": "Sorafenib Tosylate, Combination Chemotherapy, Radiation Therapy, and Surgery in Treating Patients With High-Risk Stage IIB-IV Soft Tissue Sarcoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Pleomorphic Rhabdomyosarcoma",
        "Stage IIB Adult Soft Tissue Sarcoma AJCC v7",
        "Stage III Adult Soft Tissue Sarcoma AJCC v7",
        "Stage IV Adult Soft Tissue Sarcoma AJCC v7"
      ],
      "interventions": [
        {
          "name": "Epirubicin Hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "External Beam Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Ifosfamide",
          "type": "DRUG"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Sorafenib Tosylate",
          "type": "DRUG"
        },
        {
          "name": "Therapeutic Conventional Surgery",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION",
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "OHSU Knight 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": 20,
      "start_date": "2013-12-03",
      "completion_date": "2020-12-31",
      "has_results": true,
      "last_update_posted_date": "2022-03-21",
      "last_synced_at": "2026-09-28T06:12:46.444Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02050919"
    },
    {
      "nct_id": "NCT00039624",
      "title": "Magnetic Resonance-Guided High-Dose Brachytherapy (Short-Range Radiation Therapy) for Prostate Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "Brachytherapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "MALE",
        "summary": "18 Years to 90 Years · Male only"
      },
      "enrollment_count": 12,
      "start_date": "2002-06-03",
      "completion_date": "2018-07-31",
      "has_results": false,
      "last_update_posted_date": "2018-08-02",
      "last_synced_at": "2026-09-28T06:12:46.444Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00039624"
    }
  ]
}