{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Radiosurgery&page=4",
    "query": {
      "condition": "Radiosurgery",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 268,
    "total_pages": 27,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Radiosurgery&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Radiosurgery&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-31T01:22:51.838Z",
  "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": "NCT04427228",
      "title": "Single vs Multi-fraction SRS Patients on Immunotherapy",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Brain Cancer",
        "Brain Metastases"
      ],
      "interventions": [
        {
          "name": "Radiosurgery Single Treatment",
          "type": "RADIATION"
        },
        {
          "name": "Radiosurgery Three Treatments",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "University of Chicago",
      "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": "2020-06-29",
      "completion_date": "2022-12-12",
      "has_results": false,
      "last_update_posted_date": "2023-08-28",
      "last_synced_at": "2026-10-31T01:22:51.838Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04427228"
    },
    {
      "nct_id": "NCT00386919",
      "title": "Short Course of Radiation for Gliomas in Elderly Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "High Grade Gliomas"
      ],
      "interventions": [
        {
          "name": "CyberKnife",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Beth Israel Deaconess Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 26,
      "start_date": "2006-04",
      "completion_date": "2013-12",
      "has_results": false,
      "last_update_posted_date": "2017-01-27",
      "last_synced_at": "2026-10-31T01:22:51.838Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00386919"
    },
    {
      "nct_id": "NCT03190967",
      "title": "T-DM1 Alone Versus T-DM1 and Metronomic Temozolomide in Secondary Prevention of HER2-Positive Breast Cancer Brain Metastases Following Stereotactic Radiosurgery",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer",
        "Brain Metastasis",
        "Brain Cancer"
      ],
      "interventions": [
        {
          "name": "T-DM1",
          "type": "DRUG"
        },
        {
          "name": "TMZ",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 12,
      "start_date": "2018-04-18",
      "completion_date": "2023-06-13",
      "has_results": true,
      "last_update_posted_date": "2023-10-11",
      "last_synced_at": "2026-10-31T01:22:51.838Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03190967"
    },
    {
      "nct_id": "NCT07895706",
      "title": "Linear Accelerator Radiosurgical Anterior Capsulotomy With Task-based fMRI Identification of PERSonalized and PrEdictiVE Biomarkers of REsponse in Treatment-Refractory Obsessive-Compulsive Disorder (PERSEVERE Trial)",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Treatment-refractory Obsessive-compulsive Disorder (trOCD)"
      ],
      "interventions": [
        {
          "name": "Radiosurgical anterior capsulotomy",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University Hospitals Cleveland Medical Center",
      "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": "2027-02-01",
      "completion_date": "2029-02-01",
      "has_results": false,
      "last_update_posted_date": "2026-10-26",
      "last_synced_at": "2026-10-31T01:22:51.838Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07895706"
    },
    {
      "nct_id": "NCT03184038",
      "title": "Neurocognition in Patients With Multiple Brain Metastases Treated With Radiosurgery",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Metastatic Malignant Neoplasm in the Brain",
        "Metastatic Malignant Solid Neoplasm"
      ],
      "interventions": [
        {
          "name": "Cognitive Assessment",
          "type": "PROCEDURE"
        },
        {
          "name": "Stereotactic Radiosurgery",
          "type": "RADIATION"
        },
        {
          "name": "Stereotactic Body Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "RADIATION",
        "OTHER"
      ],
      "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": 90,
      "start_date": "2017-02-21",
      "completion_date": "2026-09-30",
      "has_results": false,
      "last_update_posted_date": "2026-05-22",
      "last_synced_at": "2026-10-31T01:22:51.838Z",
      "location_count": 2,
      "location_summary": "Sewell, New Jersey • Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Sewell",
          "state": "New Jersey"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03184038"
    },
    {
      "nct_id": "NCT01731704",
      "title": "Neurocognitive Outcomes In Patients Treated With Radiotherapy For Five Or More Brain Metastases",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Brain Metastases"
      ],
      "interventions": [
        {
          "name": "Stereotactic radiosurgery (SRS)",
          "type": "RADIATION"
        },
        {
          "name": "Whole brain radiation therapy (WBRT)",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "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": 0,
      "start_date": "2012-12",
      "completion_date": "2018-12",
      "has_results": false,
      "last_update_posted_date": "2017-03-14",
      "last_synced_at": "2026-10-31T01:22:51.838Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01731704"
    },
    {
      "nct_id": "NCT01651078",
      "title": "Laser Ablation After Stereotactic Radiosurgery",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Metastatic Brain Tumors",
        "Progression",
        "Radiation Necrosis",
        "Quality of Life"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Monteris Medical",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 44,
      "start_date": "2012-07",
      "completion_date": "2016-08",
      "has_results": true,
      "last_update_posted_date": "2024-04-15",
      "last_synced_at": "2026-10-31T01:22:51.838Z",
      "location_count": 7,
      "location_summary": "New Haven, Connecticut • Kansas City, Kansas • St Louis, Missouri + 4 more",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Kansas City",
          "state": "Kansas"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Charlotte",
          "state": "North Carolina"
        },
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01651078"
    },
    {
      "nct_id": "NCT00255671",
      "title": "Acute Side Effects in Patients Who Are Undergoing Stereotactic Radiosurgery for Brain Tumors or Other Brain Disorders",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Brain and Central Nervous System Tumors",
        "Metastatic Cancer",
        "Radiation Toxicity"
      ],
      "interventions": [
        {
          "name": "Questionnaire",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "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": 76,
      "start_date": "2005-05",
      "completion_date": "2012-05",
      "has_results": false,
      "last_update_posted_date": "2020-07-27",
      "last_synced_at": "2026-10-31T01:22:51.838Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00255671"
    },
    {
      "nct_id": "NCT01754623",
      "title": "GTX-RT in Borderline Resectable Pancreatic Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Pancreatic Cancer"
      ],
      "interventions": [
        {
          "name": "Capecitabine",
          "type": "DRUG"
        },
        {
          "name": "Gemcitabine",
          "type": "DRUG"
        },
        {
          "name": "Docetaxel",
          "type": "DRUG"
        },
        {
          "name": "Stereotactic body radiation therapy (SBRT)",
          "type": "RADIATION"
        },
        {
          "name": "Restaging review after radiation",
          "type": "OTHER"
        },
        {
          "name": "Surgery",
          "type": "PROCEDURE"
        },
        {
          "name": "5-Fluorouracil",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION",
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "H. Lee Moffitt Cancer Center and Research Institute",
      "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": "2013-02",
      "completion_date": "2014-10",
      "has_results": true,
      "last_update_posted_date": "2015-08-13",
      "last_synced_at": "2026-10-31T01:22:51.838Z",
      "location_count": 1,
      "location_summary": "Tampa, Florida",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01754623"
    },
    {
      "nct_id": "NCT03096431",
      "title": "Impact of Cognitive Rehab and Physical Activity on Cognition in Patients With Metastatic Brain Tumors Undergoing RT",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Metastatic Brain Tumor",
        "Cerebral Metastases"
      ],
      "interventions": [
        {
          "name": "Physical Activity",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Cognitive rehabilitation",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Virginia Commonwealth University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2,
      "start_date": "2017-09-01",
      "completion_date": "2018-07-09",
      "has_results": false,
      "last_update_posted_date": "2018-07-13",
      "last_synced_at": "2026-10-31T01:22:51.838Z",
      "location_count": 1,
      "location_summary": "Richmond, Virginia",
      "locations": [
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03096431"
    }
  ]
}