{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Radiation+therapy+%28XRT%29&page=4",
    "query": {
      "intervention": "Radiation therapy (XRT)",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "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=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Radiation+therapy+%28XRT%29&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-04T18:27:31.117Z",
  "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": "NCT00500513",
      "title": "Tracking of Respiratory-Induced Tumor Motion Using Implanted Fiducials",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Lung Cancer"
      ],
      "interventions": [
        {
          "name": "CT Scans",
          "type": "PROCEDURE"
        },
        {
          "name": "Implanted markers",
          "type": "PROCEDURE"
        },
        {
          "name": "Radiation Treatment (RT)",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "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": 10,
      "start_date": "2004-04",
      "completion_date": "2011-12",
      "has_results": false,
      "last_update_posted_date": "2013-02-01",
      "last_synced_at": "2026-10-04T18:27:31.117Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00500513"
    },
    {
      "nct_id": "NCT01165658",
      "title": "Study of Hypofractionated Proton Radiation Therapy in Thoracic Malignancies",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Non-small Cell Lung Cancer",
        "Small Cell Lung Cancer",
        "Carcinoid",
        "Thymic Cancer",
        "Lung Cancer"
      ],
      "interventions": [
        {
          "name": "Proton Therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "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": 30,
      "start_date": "2010-07-16",
      "completion_date": "2016-07-19",
      "has_results": false,
      "last_update_posted_date": "2020-01-02",
      "last_synced_at": "2026-10-04T18:27:31.117Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01165658"
    },
    {
      "nct_id": "NCT01746043",
      "title": "A Phase II Study of Minocycline and Armodafinil for Reducing the Symptom Burden Produced by Chemoradiation Treatment for Esophageal Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Esophageal Cancer"
      ],
      "interventions": [
        {
          "name": "Armodafinil",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        },
        {
          "name": "Minocycline",
          "type": "DRUG"
        },
        {
          "name": "Questionnaires",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER",
        "BEHAVIORAL"
      ],
      "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": 22,
      "start_date": "2013-02",
      "completion_date": "2017-01",
      "has_results": true,
      "last_update_posted_date": "2018-06-06",
      "last_synced_at": "2026-10-04T18:27:31.117Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01746043"
    },
    {
      "nct_id": "NCT01811810",
      "title": "Proton Therapy for High Risk Prostate Cancer",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "Radiation therapy (XRT)",
          "type": "RADIATION"
        },
        {
          "name": "Androgen Deprivation Therapy (ADT)",
          "type": "OTHER"
        },
        {
          "name": "Chemotherapy",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "OTHER"
      ],
      "sponsor": "Abramson Cancer Center at Penn Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "MALE",
        "summary": "18 Years to 75 Years · Male only"
      },
      "enrollment_count": 0,
      "start_date": "2013-03",
      "completion_date": "2014-04",
      "has_results": false,
      "last_update_posted_date": "2019-04-23",
      "last_synced_at": "2026-10-04T18:27:31.117Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01811810"
    },
    {
      "nct_id": "NCT02344355",
      "title": "A Phase 2 Trial of High-Dose Ascorbate in Glioblastoma Multiforme",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Glioblastoma Multiforme"
      ],
      "interventions": [
        {
          "name": "Temozolomide",
          "type": "DRUG"
        },
        {
          "name": "radiation therapy",
          "type": "RADIATION"
        },
        {
          "name": "Ascorbic Acid",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "Bryan Allen",
      "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": "2017-03-13",
      "completion_date": "2028-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-09-30",
      "last_synced_at": "2026-10-04T18:27:31.117Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02344355"
    },
    {
      "nct_id": "NCT06306638",
      "title": "Interstitial Photodynamic Therapy Following Palliative Radiotherapy in Treating Patients With Inoperable Malignant Central Airway Obstruction",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Malignant Solid Neoplasm"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Endobronchial Ultrasound Bronchoscopy",
          "type": "PROCEDURE"
        },
        {
          "name": "Interstitial Photodynamic Therapy",
          "type": "PROCEDURE"
        },
        {
          "name": "Palliative Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Physical Performance Testing",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Verteporfin",
          "type": "DRUG"
        },
        {
          "name": "Laser: ML7710-PDT",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "RADIATION",
        "OTHER",
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Roswell Park 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": 42,
      "start_date": "2024-10-01",
      "completion_date": "2029-10-01",
      "has_results": false,
      "last_update_posted_date": "2026-04-06",
      "last_synced_at": "2026-10-04T18:27:31.117Z",
      "location_count": 2,
      "location_summary": "Buffalo, New York • Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06306638"
    },
    {
      "nct_id": "NCT00745732",
      "title": "Radiation Therapy (XRT) and ZD6474 in Non-Small Cell Lung Cancer (NSCLC)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Non-Small Cell Lung Cancer"
      ],
      "interventions": [
        {
          "name": "ZD6474 (ZACTIMA)",
          "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": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 3,
      "start_date": "2008-10-09",
      "completion_date": "2012-09",
      "has_results": false,
      "last_update_posted_date": "2018-11-14",
      "last_synced_at": "2026-10-04T18:27:31.117Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00745732"
    },
    {
      "nct_id": "NCT02239900",
      "title": "Ipilimumab and Stereotactic Body Radiation Therapy (SBRT) in Advanced Solid Tumors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Liver Cancer",
        "Lung Cancer"
      ],
      "interventions": [
        {
          "name": "Ipilimumab",
          "type": "DRUG"
        },
        {
          "name": "Stereotactic Body Radiation Therapy (SBRT)",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "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": 143,
      "start_date": "2014-08-26",
      "completion_date": "2019-10-25",
      "has_results": false,
      "last_update_posted_date": "2020-11-30",
      "last_synced_at": "2026-10-04T18:27:31.117Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02239900"
    },
    {
      "nct_id": "NCT02494700",
      "title": "Ultra Low Dose Orbital Radiation Therapy in Treating Patients With Stage I-IV Indolent B-cell Lymphoma or Mantle Cell Lymphoma",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Ann Arbor Stage I B-Cell Non-Hodgkin Lymphoma",
        "Ann Arbor Stage I Grade 1 Follicular Lymphoma",
        "Ann Arbor Stage I Grade 2 Follicular Lymphoma",
        "Ann Arbor Stage I Indolent Adult Non-Hodgkin Lymphoma",
        "Ann Arbor Stage I Mantle Cell Lymphoma",
        "Ann Arbor Stage II B-Cell Non-Hodgkin Lymphoma",
        "Ann Arbor Stage II Grade 1 Follicular Lymphoma",
        "Ann Arbor Stage II Grade 2 Follicular Lymphoma",
        "Ann Arbor Stage II Indolent Adult Non-Hodgkin Lymphoma",
        "Ann Arbor Stage II Mantle Cell Lymphoma",
        "Ann Arbor Stage III B-Cell Non-Hodgkin Lymphoma",
        "Ann Arbor Stage III Grade 1 Follicular Lymphoma",
        "Ann Arbor Stage III Grade 2 Follicular Lymphoma",
        "Ann Arbor Stage III Indolent Adult Non-Hodgkin Lymphoma",
        "Ann Arbor Stage III Mantle Cell Lymphoma",
        "Ann Arbor Stage IV B-Cell Non-Hodgkin Lymphoma",
        "Ann Arbor Stage IV Grade 1 Follicular Lymphoma",
        "Ann Arbor Stage IV Grade 2 Follicular Lymphoma",
        "Ann Arbor Stage IV Indolent Adult Non-Hodgkin Lymphoma",
        "Ann Arbor Stage IV Mantle Cell Lymphoma",
        "Ocular Adnexal Lymphoma",
        "Ocular Adnexal Mucosa-Associated Lymphoid Tissue Lymphoma",
        "Orbit Lymphoma"
      ],
      "interventions": [
        {
          "name": "External Beam Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Orbital Radiation",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "DRUG"
      ],
      "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": 50,
      "start_date": "2015-07-06",
      "completion_date": "2027-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-07-15",
      "last_synced_at": "2026-10-04T18:27:31.117Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02494700"
    },
    {
      "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": "2026-10-04T18:27:31.117Z",
      "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"
    }
  ]
}