{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=high+intensity+radiation+therapy",
    "query": {
      "intervention": "high intensity radiation therapy"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 198,
    "total_pages": 20,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=high+intensity+radiation+therapy&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-22T22:55:47.590Z",
  "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": "NCT01189266",
      "title": "Vorinostat and Radiation Therapy Followed by Maintenance Therapy With Vorinostat in Treating Younger Patients With Newly Diagnosed Diffuse Intrinsic Pontine Glioma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Anaplastic Astrocytoma",
        "Anaplastic Oligoastrocytoma",
        "Diffuse Intrinsic Pontine Glioma",
        "Gliosarcoma"
      ],
      "interventions": [
        {
          "name": "3-Dimensional Conformal Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Intensity-Modulated Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Vorinostat",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "OTHER",
        "DRUG"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "37 Months",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "37 Months to 21 Years"
      },
      "enrollment_count": 79,
      "start_date": "2010-08-09",
      "completion_date": "2021-09-30",
      "has_results": true,
      "last_update_posted_date": "2021-10-28",
      "last_synced_at": "2026-09-22T22:55:47.590Z",
      "location_count": 174,
      "location_summary": "Birmingham, Alabama • Mobile, Alabama • Little Rock, Arkansas + 129 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01189266"
    },
    {
      "nct_id": "NCT01530997",
      "title": "De-intensification of Radiation & Chemotherapy in Low-Risk Human Papillomavirus-related Oropharyngeal Squamous Cell Ca",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Carcinoma, Squamous Cell",
        "Head and Neck Neoplasms",
        "Oropharyngeal Neoplasms"
      ],
      "interventions": [
        {
          "name": "Intensity Modulated Radiotherapy (IMRT)",
          "type": "RADIATION"
        },
        {
          "name": "Cisplatin",
          "type": "DRUG"
        },
        {
          "name": "Limited surgical evaluation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "UNC Lineberger Comprehensive 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": 45,
      "start_date": "2012-02-07",
      "completion_date": "2019-11",
      "has_results": true,
      "last_update_posted_date": "2024-11-13",
      "last_synced_at": "2026-09-22T22:55:47.590Z",
      "location_count": 5,
      "location_summary": "Colorado Springs, Colorado • Gainesville, Florida • Chapel Hill, North Carolina + 1 more",
      "locations": [
        {
          "city": "Colorado Springs",
          "state": "Colorado"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        },
        {
          "city": "Raleigh",
          "state": "North Carolina"
        },
        {
          "city": "Raleigh",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01530997"
    },
    {
      "nct_id": "NCT00005075",
      "title": "Ultrasound in Treating Patients With Recurrent Stage I or Stage II Prostate Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "high-intensity focused ultrasound ablation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "EDAP Technomed",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "50 Years and older · Male only"
      },
      "enrollment_count": null,
      "start_date": "1999-07",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2013-11-06",
      "last_synced_at": "2026-09-22T22:55:47.590Z",
      "location_count": 2,
      "location_summary": "San Francisco, California • Houston, Texas",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00005075"
    },
    {
      "nct_id": "NCT00303667",
      "title": "Donor Natural Killer Cells and Aldesleukin in Treating Patients w/High Risk AML Undergoing Donor Stem Cell Transplant",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Acute Myelogenous Leukemia"
      ],
      "interventions": [
        {
          "name": "aldesleukin",
          "type": "BIOLOGICAL"
        },
        {
          "name": "natural killer cells",
          "type": "BIOLOGICAL"
        },
        {
          "name": "cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "fludarabine phosphate",
          "type": "DRUG"
        },
        {
          "name": "allogeneic hematopoietic stem cell transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "total body irradiation",
          "type": "RADIATION"
        },
        {
          "name": "Thymoglobulin",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Cyclosporin A",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "PROCEDURE",
        "RADIATION"
      ],
      "sponsor": "Masonic Cancer Center, University of Minnesota",
      "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": 50,
      "start_date": "2005-01",
      "completion_date": "2011-03",
      "has_results": true,
      "last_update_posted_date": "2017-12-28",
      "last_synced_at": "2026-09-22T22:55:47.590Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00303667"
    },
    {
      "nct_id": "NCT02787954",
      "title": "Prospective Tumor Response Evaluation",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hepatocellular Cancer",
        "Metastatic Liver Cancer"
      ],
      "interventions": [
        {
          "name": "TACE",
          "type": "PROCEDURE"
        },
        {
          "name": "Y-90",
          "type": "PROCEDURE"
        },
        {
          "name": "MWA",
          "type": "PROCEDURE"
        },
        {
          "name": "IRE",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "The University of Texas Health Science Center, Houston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 10,
      "start_date": "2016-01",
      "completion_date": "2017-04",
      "has_results": false,
      "last_update_posted_date": "2018-10-18",
      "last_synced_at": "2026-09-22T22:55:47.590Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02787954"
    },
    {
      "nct_id": "NCT04716946",
      "title": "Treating Early-stage Non-Small Cell Lung Cancer With Durvalumab and Radiation Therapy",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "NSCLC",
        "Non-small Cell Lung Cancer",
        "Lung Cancer",
        "Non-small Cell Lung Cancer Stage I",
        "Non-small Cell Lung Cancer Stage II",
        "Non-small Cell Lung Cancer Stage III",
        "Non-small Cell Lung Cancer Stage IIIA",
        "PD-L1 Gene Mutation"
      ],
      "interventions": [
        {
          "name": "Durvalumab",
          "type": "DRUG"
        },
        {
          "name": "Stereotactic Body Radiation Therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "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": "2021-01-27",
      "completion_date": "2027-02",
      "has_results": false,
      "last_update_posted_date": "2026-05-11",
      "last_synced_at": "2026-09-22T22:55:47.590Z",
      "location_count": 8,
      "location_summary": "Miami, Florida • Basking Ridge, New Jersey • Middletown, New Jersey + 5 more",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Basking Ridge",
          "state": "New Jersey"
        },
        {
          "city": "Middletown",
          "state": "New Jersey"
        },
        {
          "city": "Montvale",
          "state": "New Jersey"
        },
        {
          "city": "Commack",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04716946"
    },
    {
      "nct_id": "NCT01203722",
      "title": "Reduced Intensity, Partially HLA Mismatched BMT to Treat Hematologic Malignancies",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Hematologic Malignancies"
      ],
      "interventions": [
        {
          "name": "Fludarabine",
          "type": "DRUG"
        },
        {
          "name": "Cytoxan",
          "type": "DRUG"
        },
        {
          "name": "Total Body Irradiation",
          "type": "RADIATION"
        },
        {
          "name": "Allogeneic Blood or Marrow Transplant",
          "type": "PROCEDURE"
        },
        {
          "name": "Peripheral Blood Stem Cell Transplant",
          "type": "PROCEDURE"
        },
        {
          "name": "Mycophenolate Mofetil",
          "type": "DRUG"
        },
        {
          "name": "Sirolimus",
          "type": "DRUG"
        },
        {
          "name": "Tacrolimus",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION",
        "PROCEDURE"
      ],
      "sponsor": "Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "6 Months to 75 Years"
      },
      "enrollment_count": 87,
      "start_date": "2010-09",
      "completion_date": "2024-05-28",
      "has_results": true,
      "last_update_posted_date": "2026-02-19",
      "last_synced_at": "2026-09-22T22:55:47.590Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01203722"
    },
    {
      "nct_id": "NCT04357574",
      "title": "Assessing the System for High-Intensity Evaluation During Radiotherapy During Changes in Response to COVID-19",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "COVID-19",
        "Cancer"
      ],
      "interventions": [
        {
          "name": "Telehealth",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1000,
      "start_date": "2020-04-14",
      "completion_date": "2027-04",
      "has_results": false,
      "last_update_posted_date": "2026-02-06",
      "last_synced_at": "2026-09-22T22:55:47.590Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04357574"
    },
    {
      "nct_id": "NCT01420250",
      "title": "Cabazitaxel With Radiation and Hormone Therapy for Prostate Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "Cabazitaxel",
          "type": "DRUG"
        },
        {
          "name": "Intensity Modulated Radiation Therapy (IMRT)",
          "type": "RADIATION"
        },
        {
          "name": "Anti-Androgen Therapy: Bicalutamide",
          "type": "DRUG"
        },
        {
          "name": "Luteinizing Hormone-Releasing Hormone (LHRH) Agonist",
          "type": "GENETIC"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION",
        "GENETIC"
      ],
      "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": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 20,
      "start_date": "2011-09-22",
      "completion_date": "2020-07-21",
      "has_results": false,
      "last_update_posted_date": "2025-05-15",
      "last_synced_at": "2026-09-22T22:55:47.590Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01420250"
    },
    {
      "nct_id": "NCT00770822",
      "title": "Clinical Study of the Sonablate® 500 to Treat Localized (T1c/T2a) Prostate Cancer",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "HIFU (Sonablate® 500)",
          "type": "DEVICE"
        },
        {
          "name": "Brachytherapy",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "SonaCare Medical",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "75 Years",
        "sex": "MALE",
        "summary": "40 Years to 75 Years · Male only"
      },
      "enrollment_count": 466,
      "start_date": "2007-04",
      "completion_date": "2020-12",
      "has_results": false,
      "last_update_posted_date": "2019-04-10",
      "last_synced_at": "2026-09-22T22:55:47.590Z",
      "location_count": 6,
      "location_summary": "Birmingham, Alabama • Naples, Florida • Myrtle Beach, South Carolina + 3 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Naples",
          "state": "Florida"
        },
        {
          "city": "Myrtle Beach",
          "state": "South Carolina"
        },
        {
          "city": "Memphis",
          "state": "Tennessee"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00770822"
    }
  ]
}