{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Radiation+Therapy+%28XRT%29&page=6",
    "query": {
      "intervention": "Radiation Therapy (XRT)",
      "page": 6
    },
    "page_size": 10
  },
  "pagination": {
    "page": 6,
    "page_size": 10,
    "total_count": 152,
    "total_pages": 16,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Radiation+Therapy+%28XRT%29&page=7&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Radiation+Therapy+%28XRT%29&page=5&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-15T10:23:53.518Z",
  "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": "NCT00838929",
      "title": "Study of the Combination of Vorinostat and Radiation Therapy for the Treatment of Patients With Brain Metastases",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Brain Metastases"
      ],
      "interventions": [
        {
          "name": "Vorinostat",
          "type": "DRUG"
        },
        {
          "name": "Radiation Therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "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": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 17,
      "start_date": "2009-03",
      "completion_date": "2015-03",
      "has_results": true,
      "last_update_posted_date": "2025-05-04",
      "last_synced_at": "2026-11-15T10:23:53.518Z",
      "location_count": 2,
      "location_summary": "Philadelphia, Pennsylvania • Dallas, Texas",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00838929"
    },
    {
      "nct_id": "NCT00003200",
      "title": "Chemotherapy Plus Radiation Therapy in Treating Patients With Squamous Cell Cancer of the Head and Neck",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Head and Neck Cancer"
      ],
      "interventions": [
        {
          "name": "Taxotere",
          "type": "DRUG"
        },
        {
          "name": "Radiation therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "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": 22,
      "start_date": "1995-10",
      "completion_date": "2008-06",
      "has_results": false,
      "last_update_posted_date": "2017-01-19",
      "last_synced_at": "2026-11-15T10:23:53.518Z",
      "location_count": 4,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00003200"
    },
    {
      "nct_id": "NCT02046304",
      "title": "PP-Gemcitabine & External Beam Radiation-Sarcomas",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Sarcoma"
      ],
      "interventions": [
        {
          "name": "Gemcitabine",
          "type": "DRUG"
        },
        {
          "name": "Radiation Therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 41,
      "start_date": "2001-12",
      "completion_date": "2015-03",
      "has_results": false,
      "last_update_posted_date": "2016-04-06",
      "last_synced_at": "2026-11-15T10:23:53.518Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02046304"
    },
    {
      "nct_id": "NCT02444741",
      "title": "Pembrolizumab and Stereotactic Body Radiation Therapy or Non-Stereotactic Wide-Field Radiation Therapy in Treating Patients With Non-small Cell Lung Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Malignant Solid Neoplasm",
        "Metastatic Lung Non-Small Cell Carcinoma",
        "Stage IV Lung Non-Small Cell Cancer AJCC v7"
      ],
      "interventions": [
        {
          "name": "3-Dimensional Conformal Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Intensity-Modulated Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Pembrolizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Proton Beam Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Stereotactic Body Radiation Therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "OTHER",
        "BIOLOGICAL"
      ],
      "sponsor": "M.D. Anderson 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": 124,
      "start_date": "2015-09-17",
      "completion_date": "2026-02-17",
      "has_results": true,
      "last_update_posted_date": "2026-05-15",
      "last_synced_at": "2026-11-15T10:23:53.518Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02444741"
    },
    {
      "nct_id": "NCT07213934",
      "title": "Phase I/ II Trial Combining PD-1 Inhibition and Neoadjuvant Proton or Photon Radiation Therapy in Recurrent Head and Neck Squamous Cell Carcinoma",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Head and Neck Cancer",
        "Recurrent Head and Neck Squamous Cell Carcinoma"
      ],
      "interventions": [
        {
          "name": "Proton therapy",
          "type": "RADIATION"
        },
        {
          "name": "Pembrolizumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "DRUG"
      ],
      "sponsor": "University of Cincinnati",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2025-10-08",
      "completion_date": "2031-12",
      "has_results": false,
      "last_update_posted_date": "2026-07-01",
      "last_synced_at": "2026-11-15T10:23:53.518Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07213934"
    },
    {
      "nct_id": "NCT00467116",
      "title": "PhI Study of Erbitux & Gemcitabine w/Radiation Therapy for Locally Adv. Pancreas Ca",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Pancreatic Cancer"
      ],
      "interventions": [
        {
          "name": "cetuximab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "gemcitabine hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "radiation therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "Vanderbilt-Ingram 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": 9,
      "start_date": "2005-10",
      "completion_date": "2007-10",
      "has_results": false,
      "last_update_posted_date": "2012-05-18",
      "last_synced_at": "2026-11-15T10:23:53.518Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00467116"
    },
    {
      "nct_id": "NCT00503776",
      "title": "Chemo/XRT +/- Amifostine to Assess Outcomes Related to Xerostomia, Mucositis, & Dysphagia",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Dysphagia",
        "Head and Neck Cancer",
        "Mucositis",
        "Xerostomia"
      ],
      "interventions": [
        {
          "name": "exercise intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "amifostine trihydrate",
          "type": "DRUG"
        },
        {
          "name": "therapeutic dietary intervention",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Vanderbilt-Ingram Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 41,
      "start_date": "2006-01",
      "completion_date": "2008-08",
      "has_results": true,
      "last_update_posted_date": "2017-06-20",
      "last_synced_at": "2026-11-15T10:23:53.518Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00503776"
    },
    {
      "nct_id": "NCT01222754",
      "title": "Lenalidomide and Radiation Therapy in High Grade Gliomas or Diffuse Intrinsic Pontine Gliomas",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Diffuse Intrinsic Pontine Glioma",
        "Anaplastic Astrocytoma",
        "High Grade Glioma"
      ],
      "interventions": [
        {
          "name": "Lenalidomide",
          "type": "DRUG"
        },
        {
          "name": "XRT, 54-59.4 Gy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "1 Year to 21 Years"
      },
      "enrollment_count": 29,
      "start_date": "2010-11-23",
      "completion_date": "2019-04-17",
      "has_results": false,
      "last_update_posted_date": "2022-01-03",
      "last_synced_at": "2026-11-15T10:23:53.518Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01222754"
    },
    {
      "nct_id": "NCT00948688",
      "title": "Vorinostat With XRT and 5-FU for Locally Advanced Adenocarcinoma of the Pancreas",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Pancreatic Cancer",
        "Adenocarcinoma of the Pancreas"
      ],
      "interventions": [
        {
          "name": "Radiation therapy",
          "type": "RADIATION"
        },
        {
          "name": "5-FU",
          "type": "DRUG"
        },
        {
          "name": "Vorinostat",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "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": 10,
      "start_date": "2009-08",
      "completion_date": "2013-11",
      "has_results": true,
      "last_update_posted_date": "2017-05-10",
      "last_synced_at": "2026-11-15T10:23:53.518Z",
      "location_count": 2,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00948688"
    },
    {
      "nct_id": "NCT03224000",
      "title": "Trial of Magnetic Resonance Imaging Guided Radiotherapy Dose Adaptation in Human Papilloma Virus Positive Oropharyngeal Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Malignant Neoplasms of Lip Oral Cavity and Pharynx",
        "Oropharyngeal Cancer"
      ],
      "interventions": [
        {
          "name": "Modified Barium Swallow (MBS)",
          "type": "PROCEDURE"
        },
        {
          "name": "Swallowing Questionnaire",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Symptom Questionnaire",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Video-Strobe Procedure",
          "type": "PROCEDURE"
        },
        {
          "name": "MRI Guided Intensity Modulated Radiotherapy (IMRT) Planning",
          "type": "PROCEDURE"
        },
        {
          "name": "Standard-of-Care Intensity Modulated Radiotherapy (IMRT) Planning",
          "type": "PROCEDURE"
        },
        {
          "name": "Intensity Modulated Radiotherapy (IMRT)",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "BEHAVIORAL",
        "RADIATION"
      ],
      "sponsor": "M.D. Anderson 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": 90,
      "start_date": "2018-01-17",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-06-11",
      "last_synced_at": "2026-11-15T10:23:53.518Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03224000"
    }
  ]
}