{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Radiation+Therapy&page=20",
    "query": {
      "intervention": "Radiation Therapy",
      "page": 20
    },
    "page_size": 10
  },
  "pagination": {
    "page": 20,
    "page_size": 10,
    "total_count": 7280,
    "total_pages": 728,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Radiation+Therapy&page=21&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Radiation+Therapy&page=19&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-23T22:53:39.999Z",
  "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": "NCT03315065",
      "title": "19F Thoracic Radiotherapy for Lung Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Lung Cancer"
      ],
      "interventions": [
        {
          "name": "Perfluorinated Gas/Oxygen Mixture",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Hal C Charles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 6,
      "start_date": "2018-02-16",
      "completion_date": "2019-06-25",
      "has_results": false,
      "last_update_posted_date": "2019-07-16",
      "last_synced_at": "2026-10-23T22:53:39.999Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03315065"
    },
    {
      "nct_id": "NCT07393867",
      "title": "Androgen-responsive POSLUMA-guided Intra-prostatic Boost",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Intermediate Risk Prostate Cancer",
        "High Risk Prostate Cancer",
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "PSMA PET/CT",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Androgen Deprivation Therapy (ADT) +/- bicalutamide",
          "type": "DRUG"
        },
        {
          "name": "Stereotactic Body Radiation Therapy (SBRT) +/- focal microboost",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "Martin T. King, MD, PhD",
      "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": 23,
      "start_date": "2026-04-29",
      "completion_date": "2027-12-15",
      "has_results": false,
      "last_update_posted_date": "2026-05-29",
      "last_synced_at": "2026-10-23T22:53:39.999Z",
      "location_count": 4,
      "location_summary": "Boston, Massachusetts • Milford, Massachusetts • Weymouth, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Milford",
          "state": "Massachusetts"
        },
        {
          "city": "Weymouth",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07393867"
    },
    {
      "nct_id": "NCT02006407",
      "title": "A Pilot Study to Evaluate Neurocognitive Injury and Longitudinal Changes in White Matter During Radiation Therapy in Children With Primary Brain Tumors",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Brain Tumor, Primary"
      ],
      "interventions": [
        {
          "name": "Cranial Radiotherapy",
          "type": "RADIATION"
        },
        {
          "name": "MRI with Diffusion Tensor Imaging (DTI)",
          "type": "DEVICE"
        },
        {
          "name": "Neuro-cognitive Testing (CogState)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "DEVICE",
        "BEHAVIORAL"
      ],
      "sponsor": "University of Michigan Rogel Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "6 Years to 21 Years"
      },
      "enrollment_count": 5,
      "start_date": "2013-06",
      "completion_date": "2015-12",
      "has_results": true,
      "last_update_posted_date": "2016-12-30",
      "last_synced_at": "2026-10-23T22:53:39.999Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02006407"
    },
    {
      "nct_id": "NCT02793544",
      "title": "HLA-Mismatched Unrelated Donor Bone Marrow Transplantation With Post-Transplantation Cyclophosphamide",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Myelodysplastic Syndrome (MDS)",
        "Chronic Lymphocytic Leukemia (CLL)",
        "Chemotherapy-sensitive Lymphoma",
        "Acute Lymphoblastic Leukemia (ALL)/T Lymphoblastic Lymphoma",
        "Acute Myelogenous Leukemia (AML)",
        "Acute Biphenotypic Leukemia (ABL)",
        "Acute Undifferentiated Leukemia (AUL)"
      ],
      "interventions": [
        {
          "name": "Fludarabine",
          "type": "DRUG"
        },
        {
          "name": "Cyclophosphamide 14.5 mg/kg/day IV on Days -6, -5",
          "type": "DRUG"
        },
        {
          "name": "Total Body Irradiation (TBI) 200cGy on Day -1",
          "type": "RADIATION"
        },
        {
          "name": "Infusion of non-T-cell depleted bone marrow on Day 0",
          "type": "PROCEDURE"
        },
        {
          "name": "Busulfan",
          "type": "DRUG"
        },
        {
          "name": "Cyclophosphamide 50mg/kg/day IV on Days -2,-1",
          "type": "DRUG"
        },
        {
          "name": "Cyclophosphamide 50mg/kg/day IV on Days -5,-4",
          "type": "DRUG"
        },
        {
          "name": "Total Body Irradiation (TBI) 200cGy twice a day on Days -3, -2, -1",
          "type": "RADIATION"
        },
        {
          "name": "Post-HCT Cyclophosphamide 50mg/kg IV on Day+3, +4",
          "type": "DRUG"
        },
        {
          "name": "Sirolimus",
          "type": "DRUG"
        },
        {
          "name": "Mycophenolate mofetil",
          "type": "DRUG"
        },
        {
          "name": "G-CSF",
          "type": "DRUG"
        },
        {
          "name": "Pre-HCT Mesna on Days -6 and -5",
          "type": "DRUG"
        },
        {
          "name": "Pre-HCT Mesna on Days -2 and -1",
          "type": "DRUG"
        },
        {
          "name": "Pre-HCT Mesna on Days -5 and -4",
          "type": "DRUG"
        },
        {
          "name": "Post-HCT Mesna",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION",
        "PROCEDURE"
      ],
      "sponsor": "Center for International Blood and Marrow Transplant Research",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "15 Years to 70 Years"
      },
      "enrollment_count": 80,
      "start_date": "2016-12",
      "completion_date": "2020-03",
      "has_results": true,
      "last_update_posted_date": "2025-08-06",
      "last_synced_at": "2026-10-23T22:53:39.999Z",
      "location_count": 11,
      "location_summary": "Gainesville, Florida • Miami, Florida • Tampa, Florida + 7 more",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02793544"
    },
    {
      "nct_id": "NCT03423264",
      "title": "PROGRESS Trial - Prophylactic Gabapentin for Relief of Symptoms and Improved Swallowing",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Oropharyngeal Cancer",
        "HPV-Related Squamous Cell Carcinoma"
      ],
      "interventions": [
        {
          "name": "Gabapentin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "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": 0,
      "start_date": "2018-01-22",
      "completion_date": "2022-11-08",
      "has_results": false,
      "last_update_posted_date": "2024-07-31",
      "last_synced_at": "2026-10-23T22:53:39.999Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03423264"
    },
    {
      "nct_id": "NCT04452357",
      "title": "Pulse-low-dose Rate (PLDR) Radiation in Pancreatic Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pancreatic Cancer"
      ],
      "interventions": [
        {
          "name": "PLDR",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "Fox Chase 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": 12,
      "start_date": "2020-01-13",
      "completion_date": "2027-12-01",
      "has_results": false,
      "last_update_posted_date": "2026-05-22",
      "last_synced_at": "2026-10-23T22:53:39.999Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04452357"
    },
    {
      "nct_id": "NCT00942357",
      "title": "Carboplatin and Paclitaxel With or Without Cisplatin and Radiation Therapy in Treating Patients With Stage I, Stage II, Stage III, or Stage IVA Endometrial Cancer",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Endometrial Clear Cell Adenocarcinoma",
        "Endometrial Serous Adenocarcinoma",
        "Stage IA Uterine Corpus Cancer AJCC v7",
        "Stage IB Uterine Corpus Cancer AJCC v7",
        "Stage II Uterine Corpus Cancer AJCC v7",
        "Stage IIIA Uterine Corpus Cancer AJCC v7",
        "Stage IIIB Uterine Corpus Cancer AJCC v7",
        "Stage IIIC Uterine Corpus Cancer AJCC v7",
        "Stage IVA Uterine Corpus Cancer AJCC v7"
      ],
      "interventions": [
        {
          "name": "Carboplatin",
          "type": "DRUG"
        },
        {
          "name": "Cisplatin",
          "type": "DRUG"
        },
        {
          "name": "Internal Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Paclitaxel",
          "type": "DRUG"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Radiation Therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION",
        "OTHER"
      ],
      "sponsor": "Gynecologic Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 813,
      "start_date": "2009-06-29",
      "completion_date": "2024-07-28",
      "has_results": true,
      "last_update_posted_date": "2021-10-19",
      "last_synced_at": "2026-10-23T22:53:39.999Z",
      "location_count": 655,
      "location_summary": "Birmingham, Alabama • Huntsville, Alabama • Mobile, Alabama + 407 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00942357"
    },
    {
      "nct_id": "NCT01714128",
      "title": "FES-PET for Patients Treated on NCI Protocol 8762",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Diagnostic Imaging ( 6α-[18F]fluoro-17β-estradiol (FES))",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "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": 0,
      "start_date": "2013-06",
      "completion_date": "2015-12",
      "has_results": false,
      "last_update_posted_date": "2021-10-25",
      "last_synced_at": "2026-10-23T22:53:39.999Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01714128"
    },
    {
      "nct_id": "NCT00006107",
      "title": "Chemotherapy and Radiation Therapy in Treating Patients With Stage III or Stage IV Head and Neck Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Head and Neck Cancer"
      ],
      "interventions": [
        {
          "name": "Taxotere",
          "type": "DRUG"
        },
        {
          "name": "Surgery",
          "type": "PROCEDURE"
        },
        {
          "name": "radiation therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE",
        "RADIATION"
      ],
      "sponsor": "Dana-Farber 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": 31,
      "start_date": "2000-07-14",
      "completion_date": "2004-07-03",
      "has_results": false,
      "last_update_posted_date": "2017-06-16",
      "last_synced_at": "2026-10-23T22:53:39.999Z",
      "location_count": 2,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00006107"
    },
    {
      "nct_id": "NCT00093587",
      "title": "Antithymocyte Globulin and Cyclosporine in Preventing Graft-Versus-Host Disease in Patients Undergoing Chemotherapy With or Without Radiation Therapy Followed By Donor Stem Cell Transplant for Acute Lymphoblastic Leukemia or Acute Myeloid Leukemia",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Graft Versus Host Disease",
        "Leukemia"
      ],
      "interventions": [
        {
          "name": "anti-thymocyte globulin",
          "type": "BIOLOGICAL"
        },
        {
          "name": "busulfan",
          "type": "DRUG"
        },
        {
          "name": "cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "cyclosporine",
          "type": "DRUG"
        },
        {
          "name": "allogeneic bone marrow transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "peripheral blood stem cell transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "radiation therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "PROCEDURE",
        "RADIATION"
      ],
      "sponsor": "Jonsson Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": null,
      "start_date": "2004-08",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2013-11-06",
      "last_synced_at": "2026-10-23T22:53:39.999Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00093587"
    }
  ]
}