{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Radiation+Therapy&page=28",
    "query": {
      "intervention": "Radiation Therapy",
      "page": 28
    },
    "page_size": 10
  },
  "pagination": {
    "page": 28,
    "page_size": 10,
    "total_count": 7280,
    "total_pages": 728,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Radiation+Therapy&page=29&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Radiation+Therapy&page=27&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-25T13:38:39.648Z",
  "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": "NCT00002602",
      "title": "Radiation Therapy in Treating Patients With Stage II or Stage III Prostate Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "3D-CRT",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "Radiation Therapy Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 1084,
      "start_date": "1994-05",
      "completion_date": "2013-11",
      "has_results": false,
      "last_update_posted_date": "2020-01-10",
      "last_synced_at": "2026-10-25T13:38:39.648Z",
      "location_count": 213,
      "location_summary": "Birmingham, Alabama • Huntsville, Alabama • Mobile, Alabama + 165 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Montgomery",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00002602"
    },
    {
      "nct_id": "NCT00797602",
      "title": "Proton Therapy for Chordomas and/or Chondrosarcomas",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Chordomas",
        "Chondrosarcomas"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 189,
      "start_date": "2007-01",
      "completion_date": "2015-12",
      "has_results": false,
      "last_update_posted_date": "2017-08-14",
      "last_synced_at": "2026-10-25T13:38:39.648Z",
      "location_count": 1,
      "location_summary": "Jacksonville, Florida",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00797602"
    },
    {
      "nct_id": "NCT03149159",
      "title": "Investigator-Initiated Trial of Combined Ipilimumab, Nivolumab and Stereotactic Radiation in Patients With Metastatic Clear-Cell RCC (ccRCC) Who Have Failed Treatment With Single-Agent Nivolumab",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Clear Cell Renal Cell Carcinoma",
        "Metastatic Renal Cell Carcinoma"
      ],
      "interventions": [
        {
          "name": "Nivolumab",
          "type": "DRUG"
        },
        {
          "name": "Ipilimumab",
          "type": "DRUG"
        },
        {
          "name": "Steriotactic radiation therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "Medical University of South Carolina",
      "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": "2018-04-01",
      "completion_date": "2018-04-01",
      "has_results": false,
      "last_update_posted_date": "2018-06-18",
      "last_synced_at": "2026-10-25T13:38:39.648Z",
      "location_count": 1,
      "location_summary": "Charleston, South Carolina",
      "locations": [
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03149159"
    },
    {
      "nct_id": "NCT00724386",
      "title": "Concomitant Chemoradiotherapy With Weekly Paclitaxel and Vinorelbine and Granulocyte Colony Stimulating Factor (GCSF) Support in Patients With Advanced Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Paclitaxel",
          "type": "DRUG"
        },
        {
          "name": "Vinorelbine",
          "type": "DRUG"
        },
        {
          "name": "Filgrastim",
          "type": "DRUG"
        },
        {
          "name": "Radiation",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "University of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 26,
      "start_date": "1999-06",
      "completion_date": "2012-11",
      "has_results": false,
      "last_update_posted_date": "2014-03-07",
      "last_synced_at": "2026-10-25T13:38:39.648Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00724386"
    },
    {
      "nct_id": "NCT04379505",
      "title": "Palliative Expeditiously Adaptive Quad Shot Radiation Therapy (PEAQ-RT)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Head and Neck Cancer"
      ],
      "interventions": [
        {
          "name": "Ring gantry kV-CBCT combined with linear accelerator (Halcyon)",
          "type": "DEVICE"
        },
        {
          "name": "Quad shot radiation",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "RADIATION"
      ],
      "sponsor": "Washington University School of Medicine",
      "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": "2020-10-01",
      "completion_date": "2023-12-05",
      "has_results": false,
      "last_update_posted_date": "2023-12-08",
      "last_synced_at": "2026-10-25T13:38:39.648Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04379505"
    },
    {
      "nct_id": "NCT00742222",
      "title": "Electronic Xoft Intersociety Brachytherapy Trial: Electronic Brachytherapy (EBT) For Treatment of Early Stage Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Breast Cancer",
        "Carcinoma",
        "Lumpectomy",
        "Ductal Carcinoma in Situ"
      ],
      "interventions": [
        {
          "name": "Electronic Brachytherapy",
          "type": "RADIATION"
        },
        {
          "name": "Intracavitary accelerated partial breast irradiation",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "Xoft, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "50 Years and older · Female only"
      },
      "enrollment_count": 63,
      "start_date": "2008-05",
      "completion_date": "2015-01",
      "has_results": false,
      "last_update_posted_date": "2016-05-17",
      "last_synced_at": "2026-10-25T13:38:39.648Z",
      "location_count": 8,
      "location_summary": "Tuscaloosa, Alabama • Montebello, California • Orange Park, Florida + 5 more",
      "locations": [
        {
          "city": "Tuscaloosa",
          "state": "Alabama"
        },
        {
          "city": "Montebello",
          "state": "California"
        },
        {
          "city": "Orange Park",
          "state": "Florida"
        },
        {
          "city": "Swansea",
          "state": "Illinois"
        },
        {
          "city": "Cape Girardeau",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00742222"
    },
    {
      "nct_id": "NCT00091351",
      "title": "Surgery With or Without Radiation Therapy in Treating Patients With Primary Soft Tissue Sarcoma of the Retroperitoneum or Pelvis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Sarcoma"
      ],
      "interventions": [
        {
          "name": "conventional surgery",
          "type": "PROCEDURE"
        },
        {
          "name": "radiation therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "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": 370,
      "start_date": "2004-08",
      "completion_date": "2006-02",
      "has_results": false,
      "last_update_posted_date": "2016-07-06",
      "last_synced_at": "2026-10-25T13:38:39.648Z",
      "location_count": 55,
      "location_summary": "Little Rock, Arkansas • Duarte, California • Aurora, Colorado + 42 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00091351"
    },
    {
      "nct_id": "NCT01878617",
      "title": "A Clinical and Molecular Risk-Directed Therapy for Newly Diagnosed Medulloblastoma",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Medulloblastoma"
      ],
      "interventions": [
        {
          "name": "Craniospinal Irradiation with boost to the primary tumor site",
          "type": "RADIATION"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Cisplatin",
          "type": "DRUG"
        },
        {
          "name": "Vincristine",
          "type": "DRUG"
        },
        {
          "name": "Vismodegib",
          "type": "DRUG"
        },
        {
          "name": "Pemetrexed",
          "type": "DRUG"
        },
        {
          "name": "Gemcitabine",
          "type": "DRUG"
        },
        {
          "name": "Aerobic Training",
          "type": "OTHER"
        },
        {
          "name": "Neurocognitive Remediation",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "DRUG",
        "OTHER"
      ],
      "sponsor": "St. Jude Children's Research Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "39 Years",
        "sex": "ALL",
        "summary": "3 Years to 39 Years"
      },
      "enrollment_count": 660,
      "start_date": "2013-06-23",
      "completion_date": "2031-10-13",
      "has_results": false,
      "last_update_posted_date": "2025-11-13",
      "last_synced_at": "2026-10-25T13:38:39.648Z",
      "location_count": 14,
      "location_summary": "Palo Alto, California • San Diego, California • New Haven, Connecticut + 11 more",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01878617"
    },
    {
      "nct_id": "NCT00544817",
      "title": "Radiation Therapy and Temozolomide Followed by Temozolomide Plus Sorafenib for Glioblastoma Multiforme",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Glioblastoma Multiforme"
      ],
      "interventions": [
        {
          "name": "Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Temozolomide",
          "type": "DRUG"
        },
        {
          "name": "Sorafenib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "DRUG"
      ],
      "sponsor": "SCRI Development Innovations, LLC",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 47,
      "start_date": "2007-04",
      "completion_date": "2010-08",
      "has_results": true,
      "last_update_posted_date": "2016-09-01",
      "last_synced_at": "2026-10-25T13:38:39.648Z",
      "location_count": 10,
      "location_summary": "Fort Myers, Florida • Gainesville, Georgia • Bethesda, Maryland + 7 more",
      "locations": [
        {
          "city": "Fort Myers",
          "state": "Florida"
        },
        {
          "city": "Gainesville",
          "state": "Georgia"
        },
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "Grand Rapids",
          "state": "Michigan"
        },
        {
          "city": "Omaha",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00544817"
    },
    {
      "nct_id": "NCT00003913",
      "title": "Umbilical Cord Blood Transplantation in Treating Patients With Hematologic Cancer or Nonmalignant Hematologic Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Leukemia",
        "Lymphoma",
        "Myelodysplastic Syndromes",
        "Myelodysplastic/Myeloproliferative Diseases"
      ],
      "interventions": [
        {
          "name": "anti-thymocyte globulin",
          "type": "BIOLOGICAL"
        },
        {
          "name": "filgrastim",
          "type": "BIOLOGICAL"
        },
        {
          "name": "busulfan",
          "type": "DRUG"
        },
        {
          "name": "cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "methylprednisolone",
          "type": "DRUG"
        },
        {
          "name": "umbilical cord blood transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "radiation therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "PROCEDURE",
        "RADIATION"
      ],
      "sponsor": "Fred Hutchinson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "Up to 18 Years"
      },
      "enrollment_count": 390,
      "start_date": "1998-12",
      "completion_date": "2005-08",
      "has_results": false,
      "last_update_posted_date": "2010-04-02",
      "last_synced_at": "2026-10-25T13:38:39.648Z",
      "location_count": 23,
      "location_summary": "Duarte, California • Los Angeles, California • Orange, California + 18 more",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00003913"
    }
  ]
}