{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Radiation+Therapy%2A",
    "query": {
      "intervention": "Radiation Therapy*"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 7245,
    "total_pages": 725,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Radiation+Therapy*&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-14T20:06:16.490Z",
  "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": "NCT01041508",
      "title": "Clofarabine and Low Dose Total Body Irradiation as a Preparative Regimen for Stem Cell Transplant in Leukemia.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Leukemia Lymphoblastic, Acute",
        "Acute Myeloid Leukemia",
        "Neoplasm Recurrent"
      ],
      "interventions": [
        {
          "name": "Clofarabine",
          "type": "DRUG"
        },
        {
          "name": "Total Body Irradiation",
          "type": "RADIATION"
        },
        {
          "name": "Stem Cell Transplantation",
          "type": "OTHER"
        },
        {
          "name": "Cyclosporine",
          "type": "DRUG"
        },
        {
          "name": "Mycophenolate Mofetil",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION",
        "OTHER"
      ],
      "sponsor": "Therapeutic Advances in Childhood Leukemia Consortium",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "1 Year to 21 Years"
      },
      "enrollment_count": 18,
      "start_date": "2010-01-29",
      "completion_date": "2014-08",
      "has_results": true,
      "last_update_posted_date": "2024-02-01",
      "last_synced_at": "2026-09-14T20:06:16.490Z",
      "location_count": 6,
      "location_summary": "Los Angeles, California • Columbus, Ohio • Portland, Oregon + 3 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        },
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01041508"
    },
    {
      "nct_id": "NCT01628133",
      "title": "Packed Red Blood Cell Transfusion and Intestinal Blood Flow in Preterm Neonates",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Intestinal Blood Flow"
      ],
      "interventions": [
        {
          "name": "ultrasound",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "St. Louis University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "3 Months",
        "sex": "ALL",
        "summary": "Up to 3 Months"
      },
      "enrollment_count": 25,
      "start_date": "2011-12",
      "completion_date": "2014-01",
      "has_results": false,
      "last_update_posted_date": "2014-06-20",
      "last_synced_at": "2026-09-14T20:06:16.490Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01628133"
    },
    {
      "nct_id": "NCT03943238",
      "title": "TLI, TBI, ATG & Hematopoietic Stem Cell Transplantation and Recipient T Regs Therapy in Living Donor Kidney Transplantation",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Living Donor Kidney Transplantation"
      ],
      "interventions": [
        {
          "name": "Infusion of Donor Hematopoetic Stem Cells and Recipient Tregs",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 22,
      "start_date": "2020-02-01",
      "completion_date": "2029-12-01",
      "has_results": false,
      "last_update_posted_date": "2026-07-01",
      "last_synced_at": "2026-09-14T20:06:16.490Z",
      "location_count": 2,
      "location_summary": "Palo Alto, California • Chicago, Illinois",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03943238"
    },
    {
      "nct_id": "NCT02023463",
      "title": "Enzalutamide, Radiation Therapy and Hormone Therapy in Treating Patients With Intermediate or High-Risk Prostate Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Adenocarcinoma of the Prostate",
        "Recurrent Prostate Cancer",
        "Stage IIB Prostate Cancer",
        "Stage III Prostate Cancer",
        "Stage IV Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "Enzalutamide",
          "type": "DRUG"
        },
        {
          "name": "Goserelin acetate",
          "type": "DRUG"
        },
        {
          "name": "Leuprolide acetate",
          "type": "DRUG"
        },
        {
          "name": "Radiation therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "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": 25,
      "start_date": "2014-04-02",
      "completion_date": "2040-01-01",
      "has_results": false,
      "last_update_posted_date": "2025-11-25",
      "last_synced_at": "2026-09-14T20:06:16.490Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02023463"
    },
    {
      "nct_id": "NCT00176852",
      "title": "Stem Cell Transplant for Hemoglobinopathy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Sickle Cell Disease",
        "Thalassemia",
        "Severe Congenital Neutropenia",
        "Diamond-Blackfan Anemia",
        "Shwachman-Diamond Syndrome"
      ],
      "interventions": [
        {
          "name": "Busulfan, Fludarabine, ATG, TLI",
          "type": "DRUG"
        },
        {
          "name": "Busulfan, Cyclophosphamide, ATG, GCSF",
          "type": "DRUG"
        },
        {
          "name": "Campath, Fludarabine, Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Total Body Irradiation",
          "type": "RADIATION"
        },
        {
          "name": "Stem cell infusion",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION",
        "PROCEDURE"
      ],
      "sponsor": "Masonic Cancer Center, University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "Up to 50 Years"
      },
      "enrollment_count": 22,
      "start_date": "2002-06",
      "completion_date": "2020-01",
      "has_results": true,
      "last_update_posted_date": "2020-02-27",
      "last_synced_at": "2026-09-14T20:06:16.490Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00176852"
    },
    {
      "nct_id": "NCT02549755",
      "title": "11C-acetate for Treatment Response After Radiotherapy for HCC",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hepatocellular Carcinoma"
      ],
      "interventions": [
        {
          "name": "11C-Acetate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Justin Sims",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1,
      "start_date": "2015-09",
      "completion_date": "2016-10",
      "has_results": true,
      "last_update_posted_date": "2017-11-22",
      "last_synced_at": "2026-09-14T20:06:16.490Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02549755"
    },
    {
      "nct_id": "NCT00005978",
      "title": "N99-01: Combination Chemotherapy, Radiation Therapy, and Stem Cell Transplantation in Treating Patients With Neuroblastoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Neuroblastoma"
      ],
      "interventions": [
        {
          "name": "filgrastim",
          "type": "BIOLOGICAL"
        },
        {
          "name": "carboplatin",
          "type": "DRUG"
        },
        {
          "name": "etoposide",
          "type": "DRUG"
        },
        {
          "name": "melphalan",
          "type": "DRUG"
        },
        {
          "name": "autologous bone marrow transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "peripheral blood stem cell transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "iobenguane I 131",
          "type": "RADIATION"
        },
        {
          "name": "radiation therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "PROCEDURE",
        "RADIATION"
      ],
      "sponsor": "New Approaches to Neuroblastoma Therapy Consortium",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "1 Year to 21 Years"
      },
      "enrollment_count": null,
      "start_date": "2000-05",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2010-10-15",
      "last_synced_at": "2026-09-14T20:06:16.490Z",
      "location_count": 15,
      "location_summary": "Los Angeles, California • Palo Alto, California • San Francisco, California + 11 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00005978"
    },
    {
      "nct_id": "NCT01973608",
      "title": "MSB0010445 and Stereotactic Body Radiation Therapy in Advanced Melanoma",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Melanoma"
      ],
      "interventions": [
        {
          "name": "MSB0010445 (0.3 milligram per kilogram [mg/kg])",
          "type": "DRUG"
        },
        {
          "name": "MSB0010445 (1.0 mg/kg)",
          "type": "DRUG"
        },
        {
          "name": "MSB0010445 (1.8 mg/kg)",
          "type": "DRUG"
        },
        {
          "name": "MSB0010445 (2.4 mg/kg)",
          "type": "DRUG"
        },
        {
          "name": "Stereotactic Body Radiation Therapy (SBRT)",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "EMD Serono",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 12,
      "start_date": "2014-01",
      "completion_date": "2015-06",
      "has_results": true,
      "last_update_posted_date": "2016-10-31",
      "last_synced_at": "2026-09-14T20:06:16.490Z",
      "location_count": 1,
      "location_summary": "Rockland, Massachusetts",
      "locations": [
        {
          "city": "Rockland",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01973608"
    },
    {
      "nct_id": "NCT04382625",
      "title": "Hydroxychloroquine in SARS-CoV-2 (COVID-19) Pneumonia Trial",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "SARS-CoV-2 Pneumonia",
        "COVID-19"
      ],
      "interventions": [
        {
          "name": "Hydroxychloroquine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Kootenai Health",
      "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": "2020-10",
      "completion_date": "2022-06-01",
      "has_results": false,
      "last_update_posted_date": "2021-02-05",
      "last_synced_at": "2026-09-14T20:06:16.490Z",
      "location_count": 1,
      "location_summary": "Coeur d'Alene, Idaho",
      "locations": [
        {
          "city": "Coeur d'Alene",
          "state": "Idaho"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04382625"
    },
    {
      "nct_id": "NCT00354835",
      "title": "Combination Chemotherapy and Radiation Therapy in Treating Patients With Newly Diagnosed Rhabdomyosarcoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Adult Rhabdomyosarcoma",
        "Childhood Alveolar Rhabdomyosarcoma",
        "Childhood Botryoid-Type Embryonal Rhabdomyosarcoma",
        "Childhood Embryonal Rhabdomyosarcoma",
        "Localized Childhood Soft Tissue Sarcoma",
        "Rhabdomyosarcoma",
        "Sarcoma",
        "Stage I Adult Soft Tissue Sarcoma AJCC v7",
        "Stage II Adult Soft Tissue Sarcoma AJCC v7",
        "Stage III Adult Soft Tissue Sarcoma AJCC v7"
      ],
      "interventions": [
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Dactinomycin",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Irinotecan Hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Vincristine Sulfate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL",
        "OTHER",
        "RADIATION"
      ],
      "sponsor": "Children's Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "49 Years",
        "sex": "ALL",
        "summary": "Up to 49 Years"
      },
      "enrollment_count": 481,
      "start_date": "2006-12-26",
      "completion_date": "2022-12-31",
      "has_results": true,
      "last_update_posted_date": "2023-01-31",
      "last_synced_at": "2026-09-14T20:06:16.490Z",
      "location_count": 196,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Tucson, Arizona + 142 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00354835"
    }
  ]
}