{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Hypofractionated+External+Beam+Radiation+Therapy",
    "query": {
      "intervention": "Hypofractionated External Beam Radiation Therapy"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 31,
    "total_pages": 4,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Hypofractionated+External+Beam+Radiation+Therapy&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-28T14:15:22.863Z",
  "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": "NCT02515110",
      "title": "Hypofractionated Regional Nodal Irradiation Clinical Trial for Women With Breast Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer",
        "Node-positive Breast Cancer",
        "Breast Adenocarcinoma",
        "Invasive Breast Carcinoma",
        "Lobular Breast Carcinoma In Situ"
      ],
      "interventions": [
        {
          "name": "External Beam Radiation Therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "Virginia Commonwealth University",
      "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": 137,
      "start_date": "2015-08-04",
      "completion_date": "2028-04-30",
      "has_results": false,
      "last_update_posted_date": "2026-06-15",
      "last_synced_at": "2026-09-28T14:15:22.863Z",
      "location_count": 2,
      "location_summary": "Richmond, Virginia • South Hill, Virginia",
      "locations": [
        {
          "city": "Richmond",
          "state": "Virginia"
        },
        {
          "city": "South Hill",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02515110"
    },
    {
      "nct_id": "NCT07188532",
      "title": "Biologically-Adapted, Dose-Escalated Radiotherapy for the Treatment of Ewing Sarcoma, BEAR Trial",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Ewing Sarcoma",
        "Round Cell Sarcoma With EWSR1-non-ETS Fusion"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Chemotherapy",
          "type": "DRUG"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Conventional Radiotherapy",
          "type": "PROCEDURE"
        },
        {
          "name": "Definitive Surgical Resection",
          "type": "PROCEDURE"
        },
        {
          "name": "Dose-escalated Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Electronic Health Record Review",
          "type": "OTHER"
        },
        {
          "name": "External Beam Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Hypofractionated Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Radiation Therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "RADIATION",
        "OTHER"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "2 Years and older"
      },
      "enrollment_count": 141,
      "start_date": "2025-11-24",
      "completion_date": "2029-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-06-04",
      "last_synced_at": "2026-09-28T14:15:22.863Z",
      "location_count": 2,
      "location_summary": "Phoenix, Arizona • Rochester, Minnesota",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07188532"
    },
    {
      "nct_id": "NCT03910439",
      "title": "Avelumab in Combination With Hypofractionated Radiotherapy in Patients With Relapsed Refractory Multiple Myeloma",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Myeloma, Multiple",
        "Myeloma-Multiple"
      ],
      "interventions": [
        {
          "name": "Avelumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "External beam radiotherapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "RADIATION"
      ],
      "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": 4,
      "start_date": "2019-10-17",
      "completion_date": "2020-11-04",
      "has_results": true,
      "last_update_posted_date": "2021-05-12",
      "last_synced_at": "2026-09-28T14:15:22.863Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03910439"
    },
    {
      "nct_id": "NCT04190446",
      "title": "A Study To Evaluate Hypofractionated Proton Therapy Or IMRT For Recurrent, Oligometastatic Prostate Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Metastatic Prostate Adenocarcinoma",
        "Oligometastatic Prostate Carcinoma",
        "Prostate Adenocarcinoma",
        "Recurrent Prostate Carcinoma",
        "Stage IVB Prostate Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Intensity-Modulated Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Proton Beam Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Mayo Clinic",
      "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": 84,
      "start_date": "2020-01-06",
      "completion_date": "2028-11-22",
      "has_results": false,
      "last_update_posted_date": "2026-06-09",
      "last_synced_at": "2026-09-28T14:15:22.863Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04190446"
    },
    {
      "nct_id": "NCT03452332",
      "title": "Stereotactic Body Radiation Therapy, Tremelimumab and Durvalumab in Treating Participants With Recurrent or Metastatic Cervical, Vaginal, or Vulvar Cancers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Advanced Cervical Adenocarcinoma",
        "Advanced Vaginal Carcinoma",
        "Advanced Vulvar Carcinoma",
        "Human Papillomavirus-Related Cervical Squamous Cell Carcinoma",
        "Human Papillomavirus-Related Vulvar Squamous Cell Carcinoma",
        "Metastatic Cervical Adenocarcinoma",
        "Metastatic Cervical Carcinoma",
        "Metastatic Cervical Squamous Cell Carcinoma, Not Otherwise Specified",
        "Metastatic Vaginal Adenocarcinoma",
        "Metastatic Vaginal Carcinoma",
        "Metastatic Vulvar Carcinoma",
        "Recurrent Cervical Adenocarcinoma",
        "Recurrent Cervical Carcinoma",
        "Recurrent Cervical Squamous Cell Carcinoma, Not Otherwise Specified",
        "Recurrent Vaginal Carcinoma",
        "Recurrent Vulvar Carcinoma",
        "Stage III Cervical Cancer AJCC v8",
        "Stage III Vaginal Cancer AJCC v8",
        "Stage III Vulvar Cancer AJCC v8",
        "Stage IIIA Cervical Cancer AJCC v8",
        "Stage IIIA Vulvar Cancer AJCC v8",
        "Stage IIIB Cervical Cancer AJCC v8",
        "Stage IIIB Vulvar Cancer AJCC v8",
        "Stage IIIC Vulvar Cancer AJCC v8",
        "Stage IV Cervical Cancer AJCC v8",
        "Stage IV Vaginal Cancer AJCC v8",
        "Stage IV Vulvar Cancer AJCC v8",
        "Stage IVA Cervical Cancer AJCC v8",
        "Stage IVA Vaginal Cancer AJCC v8",
        "Stage IVA Vulvar Cancer AJCC v8",
        "Stage IVB Cervical Cancer AJCC v8",
        "Stage IVB Vaginal Cancer AJCC v8",
        "Stage IVB Vulvar Cancer AJCC v8",
        "Vaginal Squamous Cell Carcinoma, Not Otherwise Specified",
        "Vulvar Adenocarcinoma",
        "Vulvar Squamous Cell Carcinoma"
      ],
      "interventions": [
        {
          "name": "Durvalumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Stereotactic Radiosurgery",
          "type": "RADIATION"
        },
        {
          "name": "Tremelimumab",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER",
        "RADIATION"
      ],
      "sponsor": "M.D. Anderson 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": 20,
      "start_date": "2018-07-18",
      "completion_date": "2023-08-11",
      "has_results": false,
      "last_update_posted_date": "2023-09-13",
      "last_synced_at": "2026-09-28T14:15:22.863Z",
      "location_count": 2,
      "location_summary": "Dallas, Texas • Houston, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03452332"
    },
    {
      "nct_id": "NCT06538337",
      "title": "Hypofractionated External Beam Radiotherapy With Adaptive Planning for Endometrial and Cervical Cancers",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Endometrial Cancer",
        "Cervical Cancer"
      ],
      "interventions": [
        {
          "name": "External beam Radiotherapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "Jonsson 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": 60,
      "start_date": "2024-07-24",
      "completion_date": "2032-07-26",
      "has_results": false,
      "last_update_posted_date": "2026-08-20",
      "last_synced_at": "2026-09-28T14:15:22.863Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06538337"
    },
    {
      "nct_id": "NCT04443413",
      "title": "Phase III Study of 5tx vs 15tx of RT (X-rays or Protons) Including RNI in Breast Cancer Patients",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Anatomic Stage I Breast Cancer AJCC v8",
        "Anatomic Stage II Breast Cancer AJCC v8",
        "Anatomic Stage III Breast Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Proton Beam Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "X-ray Therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "OTHER"
      ],
      "sponsor": "Mayo Clinic",
      "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": 146,
      "start_date": "2020-06-16",
      "completion_date": "2029-11-19",
      "has_results": false,
      "last_update_posted_date": "2026-01-16",
      "last_synced_at": "2026-09-28T14:15:22.863Z",
      "location_count": 3,
      "location_summary": "Scottsdale, Arizona • Jacksonville, Florida • Rochester, Minnesota",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04443413"
    },
    {
      "nct_id": "NCT07332000",
      "title": "A Biomarker Study in Men With Localized Prostate Cancer Treated With Aglatimagene Besadenovec",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Prostate Cancer Patients Treated by Radiotherapy",
        "Prostate Cancer (Adenocarcinoma)"
      ],
      "interventions": [
        {
          "name": "aglatimagene besadenovec + valacyclovir",
          "type": "BIOLOGICAL"
        },
        {
          "name": "External Beam Radiation Therapy (EBRT)",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "RADIATION"
      ],
      "sponsor": "Candel Therapeutics, Inc.",
      "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": 45,
      "start_date": "2025-10-30",
      "completion_date": "2027-02",
      "has_results": false,
      "last_update_posted_date": "2026-09-15",
      "last_synced_at": "2026-09-28T14:15:22.863Z",
      "location_count": 7,
      "location_summary": "Peoria, Arizona • Lakewood, Colorado • Littleton, Colorado + 4 more",
      "locations": [
        {
          "city": "Peoria",
          "state": "Arizona"
        },
        {
          "city": "Lakewood",
          "state": "Colorado"
        },
        {
          "city": "Littleton",
          "state": "Colorado"
        },
        {
          "city": "Towson",
          "state": "Maryland"
        },
        {
          "city": "Las Vegas",
          "state": "Nevada"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07332000"
    },
    {
      "nct_id": "NCT02659540",
      "title": "Pilot Study of the Safety/Efficacy of Combination Checkpoint Blockade + External Beam Radiotherapy in Stage IV Melanoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Melanoma"
      ],
      "interventions": [
        {
          "name": "Nivolumab",
          "type": "DRUG"
        },
        {
          "name": "Ipilimumab",
          "type": "DRUG"
        },
        {
          "name": "Radiotherapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "Ludwig Institute for Cancer Research",
      "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": "2016-10-13",
      "completion_date": "2020-07-27",
      "has_results": true,
      "last_update_posted_date": "2022-10-28",
      "last_synced_at": "2026-09-28T14:15:22.863Z",
      "location_count": 2,
      "location_summary": "Stanford, California • New York, New York",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02659540"
    },
    {
      "nct_id": "NCT06529809",
      "title": "Accelerated Brachytherapy Forward Chemo Radiation Therapy (ABC-RT) for Locally-advanced Cervical Cancer",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Locally Advanced Cervical Carcinoma"
      ],
      "interventions": [
        {
          "name": "Hypofractionated external beam radiation",
          "type": "RADIATION"
        },
        {
          "name": "Chemotherapy",
          "type": "DRUG"
        },
        {
          "name": "Image-guided brachytherapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "DRUG"
      ],
      "sponsor": "Washington University School of Medicine",
      "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": 50,
      "start_date": "2025-02-11",
      "completion_date": "2031-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-07-27",
      "last_synced_at": "2026-09-28T14:15:22.863Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06529809"
    }
  ]
}