{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Radiation+treatment&page=5",
    "query": {
      "intervention": "Radiation treatment",
      "page": 5
    },
    "page_size": 10
  },
  "pagination": {
    "page": 5,
    "page_size": 10,
    "total_count": 7356,
    "total_pages": 736,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Radiation+treatment&page=6&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Radiation+treatment&page=4&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-05T01:25:26.190Z",
  "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": "NCT04467099",
      "title": "Prevalence of Flexor Hallucis Longus Tears, Associated Os Trigonum Excision, and Return to Play",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Ankle Impingement",
        "Tendon Tear"
      ],
      "interventions": [
        {
          "name": "Foot Exam Follow-Up",
          "type": "OTHER"
        },
        {
          "name": "X-ray",
          "type": "RADIATION"
        },
        {
          "name": "Questionnaire",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "RADIATION"
      ],
      "sponsor": "Forte Sports Medicine and Orthopedics",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "11 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "11 Years to 50 Years"
      },
      "enrollment_count": 100,
      "start_date": "2020-03-02",
      "completion_date": "2022-08",
      "has_results": false,
      "last_update_posted_date": "2021-09-20",
      "last_synced_at": "2026-10-05T01:25:26.190Z",
      "location_count": 2,
      "location_summary": "Carmel, Indiana • Greenwood, Indiana",
      "locations": [
        {
          "city": "Carmel",
          "state": "Indiana"
        },
        {
          "city": "Greenwood",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04467099"
    },
    {
      "nct_id": "NCT00031798",
      "title": "Methylphenidate to Improve Quality of Life in Patients Undergoing Radiation Therapy for Brain Tumors",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Brain and Central Nervous System Tumors",
        "Cognitive/Functional Effects",
        "Depression",
        "Fatigue",
        "Quality of Life"
      ],
      "interventions": [
        {
          "name": "methylphenidate hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "quality-of-life assessment",
          "type": "PROCEDURE"
        },
        {
          "name": "radiation therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE",
        "RADIATION"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "18 Years to 120 Years"
      },
      "enrollment_count": null,
      "start_date": "2002-04-01",
      "completion_date": "2006-05-01",
      "has_results": false,
      "last_update_posted_date": "2021-09-09",
      "last_synced_at": "2026-10-05T01:25:26.190Z",
      "location_count": 7,
      "location_summary": "Phoenix, Arizona • Decatur, Illinois • New Orleans, Louisiana + 4 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Decatur",
          "state": "Illinois"
        },
        {
          "city": "New Orleans",
          "state": "Louisiana"
        },
        {
          "city": "Goldsboro",
          "state": "North Carolina"
        },
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00031798"
    },
    {
      "nct_id": "NCT04357587",
      "title": "Safety and Feasibility of PD-1 Blockade in the Treatment of dMMR or MSI-H Rectal Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Rectal Neoplasms"
      ],
      "interventions": [
        {
          "name": "Pembrolizumab",
          "type": "DRUG"
        },
        {
          "name": "External beam radiation",
          "type": "RADIATION"
        },
        {
          "name": "Capecitabine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "Case 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": 6,
      "start_date": "2020-08-06",
      "completion_date": "2023-09-25",
      "has_results": false,
      "last_update_posted_date": "2024-05-29",
      "last_synced_at": "2026-10-05T01:25:26.190Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04357587"
    },
    {
      "nct_id": "NCT05691478",
      "title": "A Study to Test the Addition of the Drug Cabozantinib to Chemotherapy in Patients With Newly Diagnosed Osteosarcoma",
      "overall_status": "SUSPENDED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "High Grade Osteosarcoma",
        "Localized Osteosarcoma",
        "Metastatic Osteosarcoma",
        "Secondary Osteosarcoma"
      ],
      "interventions": [
        {
          "name": "Bone Scan",
          "type": "PROCEDURE"
        },
        {
          "name": "Cabozantinib S-malate",
          "type": "DRUG"
        },
        {
          "name": "Cisplatin",
          "type": "DRUG"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Doxorubicin Hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Methotrexate",
          "type": "DRUG"
        },
        {
          "name": "Surgical Procedure",
          "type": "PROCEDURE"
        },
        {
          "name": "X-Ray Imaging",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "Up to 40 Years"
      },
      "enrollment_count": 1122,
      "start_date": "2023-03-03",
      "completion_date": "2030-03-20",
      "has_results": false,
      "last_update_posted_date": "2026-10-02",
      "last_synced_at": "2026-10-05T01:25:26.190Z",
      "location_count": 181,
      "location_summary": "Birmingham, Alabama • Mesa, Arizona • Phoenix, Arizona + 134 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05691478"
    },
    {
      "nct_id": "NCT06915038",
      "title": "ctHPVDNA in HPV Positive Squamous Cell Carcinoma of the Oropharynx",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Squamous Cell Carcinoma of Oropharynx",
        "HPV Positive Cancer",
        "Throat Cancer",
        "Tonsil Cancer"
      ],
      "interventions": [
        {
          "name": "NavDx",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Adjuvant Radiation 30 Gray",
          "type": "RADIATION"
        },
        {
          "name": "Adjuvant Radiation 40 Gray",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "RADIATION"
      ],
      "sponsor": "Indiana University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 120,
      "start_date": "2025-06-11",
      "completion_date": "2028-12",
      "has_results": false,
      "last_update_posted_date": "2026-08-11",
      "last_synced_at": "2026-10-05T01:25:26.190Z",
      "location_count": 2,
      "location_summary": "Carmel, Indiana • Indianapolis, Indiana",
      "locations": [
        {
          "city": "Carmel",
          "state": "Indiana"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06915038"
    },
    {
      "nct_id": "NCT00623935",
      "title": "Blood Stem Cell Transplantation for the Treatment of Older Patients With Acute Myelogenous Leukemia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Acute Myelogenous Leukemia"
      ],
      "interventions": [
        {
          "name": "Fludarabine",
          "type": "DRUG"
        },
        {
          "name": "Busulfan",
          "type": "DRUG"
        },
        {
          "name": "Total Body Irradiation",
          "type": "RADIATION"
        },
        {
          "name": "Stem Cell Transplant",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION",
        "PROCEDURE"
      ],
      "sponsor": "University of Michigan Rogel Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "55 Years to 70 Years"
      },
      "enrollment_count": 56,
      "start_date": "2007-03",
      "completion_date": "2015-11",
      "has_results": true,
      "last_update_posted_date": "2016-04-08",
      "last_synced_at": "2026-10-05T01:25:26.190Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00623935"
    },
    {
      "nct_id": "NCT00136435",
      "title": "A Study in Adults With Untreated Acute Lymphoblastic Leukemia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Acute Lymphoblastic Leukemia"
      ],
      "interventions": [
        {
          "name": "prednisone",
          "type": "DRUG"
        },
        {
          "name": "doxorubicin",
          "type": "DRUG"
        },
        {
          "name": "vincristine",
          "type": "DRUG"
        },
        {
          "name": "methotrexate",
          "type": "DRUG"
        },
        {
          "name": "asparaginase",
          "type": "DRUG"
        },
        {
          "name": "dexamethasone",
          "type": "DRUG"
        },
        {
          "name": "cranial radiation",
          "type": "RADIATION"
        },
        {
          "name": "leucovorin",
          "type": "DRUG"
        },
        {
          "name": "cytarabine",
          "type": "DRUG"
        },
        {
          "name": "hydrocortisone",
          "type": "DRUG"
        },
        {
          "name": "6-mercaptopurine (6-MP)",
          "type": "DRUG"
        },
        {
          "name": "e. coli L-asparaginase",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "Dana-Farber Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 100,
      "start_date": "2002-06",
      "completion_date": "2011-05",
      "has_results": true,
      "last_update_posted_date": "2025-10-20",
      "last_synced_at": "2026-10-05T01:25:26.190Z",
      "location_count": 3,
      "location_summary": "Boston, Massachusetts • New York, New York",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00136435"
    },
    {
      "nct_id": "NCT00486499",
      "title": "I-125 Versus Pd-103 for Medium Risk Prostate Cancer",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "I-125 versus Pd-103 radioactive seed insertion",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "VA Puget Sound Health Care System",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "90 Years",
        "sex": "MALE",
        "summary": "40 Years to 90 Years · Male only"
      },
      "enrollment_count": 660,
      "start_date": "2003-03",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2007-06-14",
      "last_synced_at": "2026-10-05T01:25:26.190Z",
      "location_count": 2,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00486499"
    },
    {
      "nct_id": "NCT07017816",
      "title": "A Phase 0/1 Study of cDNA for TP53, Checkpoint Inhibition and Radiation in Children With Recurrent, Progressive or Refractory CNS Malignancies.",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "CNS Malignancies",
        "Medulloblastoma Recurrent",
        "ATRT Recurrent",
        "Pineoblastoma",
        "Embryonal Neoplasm",
        "Ependymoma Recurrent",
        "High Grade Gliomas"
      ],
      "interventions": [
        {
          "name": "SGT-53",
          "type": "DRUG"
        },
        {
          "name": "hypofractionated radiotherapy with immunotherapy",
          "type": "RADIATION"
        },
        {
          "name": "Nivolumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "Children's National Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "3 Years to 21 Years"
      },
      "enrollment_count": 18,
      "start_date": "2025-12-16",
      "completion_date": "2028-05-01",
      "has_results": false,
      "last_update_posted_date": "2026-04-29",
      "last_synced_at": "2026-10-05T01:25:26.190Z",
      "location_count": 1,
      "location_summary": "Washington D.C., District of Columbia",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07017816"
    },
    {
      "nct_id": "NCT00824252",
      "title": "Spousal Support in Head and Neck Cancer",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Head And Neck Cancer"
      ],
      "interventions": [
        {
          "name": "Questionnaires & Study Visit",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 361,
      "start_date": "2008-12-08",
      "completion_date": "2022-02-23",
      "has_results": false,
      "last_update_posted_date": "2022-03-08",
      "last_synced_at": "2026-10-05T01:25:26.190Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00824252"
    }
  ]
}