{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=radiation+therapy&page=2",
    "query": {
      "intervention": "radiation therapy",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=radiation+therapy&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-06-07T08:27:07.450Z",
  "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": "NCT00042991",
      "title": "Gefitinib and Radiation Therapy in Treating Children With Newly Diagnosed Gliomas",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Untreated Childhood Anaplastic Astrocytoma",
        "Untreated Childhood Anaplastic Oligodendroglioma",
        "Untreated Childhood Brain Stem Glioma",
        "Untreated Childhood Giant Cell Glioblastoma",
        "Untreated Childhood Glioblastoma",
        "Untreated Childhood Gliomatosis Cerebri",
        "Untreated Childhood Gliosarcoma",
        "Untreated Childhood Oligodendroglioma"
      ],
      "interventions": [
        {
          "name": "gefitinib",
          "type": "DRUG"
        },
        {
          "name": "radiation therapy",
          "type": "RADIATION"
        },
        {
          "name": "pharmacological study",
          "type": "OTHER"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION",
        "OTHER"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "3 Years to 21 Years"
      },
      "enrollment_count": 69,
      "start_date": "2002-07",
      "completion_date": "2010-03",
      "has_results": true,
      "last_update_posted_date": "2014-05-28",
      "last_synced_at": "2026-06-07T08:27:07.450Z",
      "location_count": 1,
      "location_summary": "Memphis, Tennessee",
      "locations": [
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00042991"
    },
    {
      "nct_id": "NCT02693990",
      "title": "A Trial of Increased Dose Intensity Modulated Proton Therapy (IMPT) for High-Grade Meningiomas",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Meningioma",
        "Brain Tumor"
      ],
      "interventions": [
        {
          "name": "Intensity Modulated Proton Therapy (IMPT)",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 21,
      "start_date": "2016-02",
      "completion_date": "2027-08",
      "has_results": false,
      "last_update_posted_date": "2026-04-15",
      "last_synced_at": "2026-06-07T08:27:07.450Z",
      "location_count": 2,
      "location_summary": "Boston, Massachusetts • Houston, Texas",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02693990"
    },
    {
      "nct_id": "NCT00905060",
      "title": "HSPPC-96 Vaccine With Temozolomide in Patients With Newly Diagnosed GBM",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Brain and Central Nervous System Tumors"
      ],
      "interventions": [
        {
          "name": "HSPPC-96",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Temozolomide",
          "type": "DRUG"
        },
        {
          "name": "Standard Surgical Resection",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 70,
      "start_date": "2009-06-29",
      "completion_date": "2014-06-03",
      "has_results": true,
      "last_update_posted_date": "2021-03-24",
      "last_synced_at": "2026-06-07T08:27:07.450Z",
      "location_count": 9,
      "location_summary": "San Francisco, California • Miami, Florida • Chicago, Illinois + 6 more",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Paramus",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00905060"
    },
    {
      "nct_id": "NCT00001523",
      "title": "Structure and Functional Status of Parotid Glands Exposed to Therapeutic Irradiation",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Radiation Injuries",
        "Xerostomia"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute of Dental and Craniofacial Research (NIDCR)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 20,
      "start_date": "1996-05",
      "completion_date": "2000-03",
      "has_results": false,
      "last_update_posted_date": "2008-03-04",
      "last_synced_at": "2026-06-07T08:27:07.450Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00001523"
    },
    {
      "nct_id": "NCT00555841",
      "title": "Safety and Efficacy of ALC in Breast Cancer in Subjects With Fatigue",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "ALC and Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sigma-Tau Research, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 27,
      "start_date": "2007-03",
      "completion_date": "2008-09",
      "has_results": false,
      "last_update_posted_date": "2012-08-28",
      "last_synced_at": "2026-06-07T08:27:07.450Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00555841"
    },
    {
      "nct_id": "NCT06708754",
      "title": "Impact of Photobiomodulation (PBM) on Biomarkers of Radiation Lymphedema and Fibrosis in Head and Neck Cancer Patients",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Radiation Lymphedema",
        "Radiation Fibrosis",
        "Head and Neck Cancer"
      ],
      "interventions": [
        {
          "name": "Photobiomodulation (PBM) Therapy",
          "type": "DEVICE"
        },
        {
          "name": "Sham PBM",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "NYU Langone Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2025-02-13",
      "completion_date": "2030-02-13",
      "has_results": false,
      "last_update_posted_date": "2026-03-30",
      "last_synced_at": "2026-06-07T08:27:07.450Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06708754"
    },
    {
      "nct_id": "NCT05818462",
      "title": "Bladder and Bone Effects of Pelvic Radiation Therapy in Childhood Cancer Survivors",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cancer",
        "Childhood Cancer"
      ],
      "interventions": [
        {
          "name": "Uroflow testing",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Bladder Scan",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Dysfunctional Voiding Scoring System Survey",
          "type": "OTHER"
        },
        {
          "name": "DEXA Scan of pelvis and sacral spine",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Urine tests for specific biomarkers",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "OTHER"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "2 Years to 40 Years"
      },
      "enrollment_count": 32,
      "start_date": "2023-07-11",
      "completion_date": "2025-05-02",
      "has_results": false,
      "last_update_posted_date": "2026-01-29",
      "last_synced_at": "2026-06-07T08:27:07.450Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05818462"
    },
    {
      "nct_id": "NCT01112527",
      "title": "PF-00299804 in Adult Patients With Relapsed/Recurrent Glioblastoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Glioblastoma",
        "GBM",
        "Glioblastoma Multiforme"
      ],
      "interventions": [
        {
          "name": "PF-00299804",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 58,
      "start_date": "2010-04",
      "completion_date": "2015-09",
      "has_results": false,
      "last_update_posted_date": "2018-08-16",
      "last_synced_at": "2026-06-07T08:27:07.450Z",
      "location_count": 4,
      "location_summary": "Boston, Massachusetts • Detroit, Michigan • Cleveland, Ohio",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Detroit",
          "state": "Michigan"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01112527"
    },
    {
      "nct_id": "NCT00187486",
      "title": "Safety and Efficacy Study of Tarceva, Temodar, and Radiation Therapy in Patients With Newly Diagnosed Brain Tumors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Glioblastoma Multiforme",
        "Gliosarcoma"
      ],
      "interventions": [
        {
          "name": "Tarceva",
          "type": "DRUG"
        },
        {
          "name": "Temodar",
          "type": "DRUG"
        },
        {
          "name": "Radiation Therapy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 66,
      "start_date": "2004-08",
      "completion_date": "2011-03",
      "has_results": true,
      "last_update_posted_date": "2017-09-05",
      "last_synced_at": "2026-06-07T08:27:07.450Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00187486"
    },
    {
      "nct_id": "NCT00216086",
      "title": "Capecitabine + Irinotecan Followed by Combined Modality Capecitabine and Radiation in Locally Advanced Rectal Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Rectal Cancer"
      ],
      "interventions": [
        {
          "name": "Capecitabine",
          "type": "DRUG"
        },
        {
          "name": "Irinotecan",
          "type": "DRUG"
        },
        {
          "name": "EUS",
          "type": "PROCEDURE"
        },
        {
          "name": "Neoadjuvant Chemotherapy",
          "type": "DRUG"
        },
        {
          "name": "Preoperative Radiation",
          "type": "PROCEDURE"
        },
        {
          "name": "Surgery",
          "type": "PROCEDURE"
        },
        {
          "name": "Adjuvant Chemotherapy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Gabi Chiorean, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 22,
      "start_date": "2005-05",
      "completion_date": "2008-05",
      "has_results": true,
      "last_update_posted_date": "2016-06-06",
      "last_synced_at": "2026-06-07T08:27:07.450Z",
      "location_count": 9,
      "location_summary": "Elkhart, Indiana • Fort Wayne, Indiana • Goshen, Indiana + 5 more",
      "locations": [
        {
          "city": "Elkhart",
          "state": "Indiana"
        },
        {
          "city": "Fort Wayne",
          "state": "Indiana"
        },
        {
          "city": "Goshen",
          "state": "Indiana"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00216086"
    }
  ]
}