{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=single-fraction+SRS",
    "query": {
      "intervention": "single-fraction SRS"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 36,
    "total_pages": 4,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=single-fraction+SRS&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-16T06:43:44.530Z",
  "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": "NCT07139990",
      "title": "Personalized Radiotherapy for Individualized Treatment Strategies and Monitoring (PRISM)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Small Cell Lung Cancer Extensive Stage",
        "Brain Metastases",
        "Solid Tumor, Adult",
        "Thoracic Cancer",
        "Sarcoma,Soft Tissue",
        "HNPCC"
      ],
      "interventions": [
        {
          "name": "Cohort A: Extensive Stage Small Cell Lung Cancer (ES-SCLC) Thoracic Tumor PULSAR (Personalized ultrahypofractionated stereotactic ablative radiotherapy)",
          "type": "RADIATION"
        },
        {
          "name": "Cohort B: Brain metastasis PULSAR (Personalized ultrahypofractionated stereotactic ablative radiotherapy)",
          "type": "RADIATION"
        },
        {
          "name": "Cohort C: Sarcoma Pre-Operative PULSAR",
          "type": "RADIATION"
        },
        {
          "name": "Cohort D: Resectable Head & Neck Squamous Cell Carcinoma (HNSCC) PULSAR/SAbR",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "University of Texas Southwestern 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": 105,
      "start_date": "2025-10-28",
      "completion_date": "2032-09-01",
      "has_results": false,
      "last_update_posted_date": "2026-08-17",
      "last_synced_at": "2026-09-16T06:43:44.530Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07139990"
    },
    {
      "nct_id": "NCT07802353",
      "title": "A Study of Stereotactic Radiosurgery (SRS) in People With Brain Cancer Having Tumor Resection Surgery",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Brain Metastasases"
      ],
      "interventions": [
        {
          "name": "Stereotactic Radiosurgery",
          "type": "RADIATION"
        },
        {
          "name": "Surgical Resection",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "PROCEDURE"
      ],
      "sponsor": "Memorial Sloan Kettering 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": "2026-08-28",
      "completion_date": "2028-08",
      "has_results": false,
      "last_update_posted_date": "2026-09-09",
      "last_synced_at": "2026-09-16T06:43:44.530Z",
      "location_count": 7,
      "location_summary": "Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more",
      "locations": [
        {
          "city": "Basking Ridge",
          "state": "New Jersey"
        },
        {
          "city": "Middletown",
          "state": "New Jersey"
        },
        {
          "city": "Montvale",
          "state": "New Jersey"
        },
        {
          "city": "Commack",
          "state": "New York"
        },
        {
          "city": "Harrison",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07802353"
    },
    {
      "nct_id": "NCT06048094",
      "title": "18F-Fluciclovine PET Amino Acid Evaluation of Brain Metastasis Treated With Stereotactic Radiosurgery",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Brain Metastases",
        "Brain Metastases, Adult",
        "Brain Cancer"
      ],
      "interventions": [
        {
          "name": "18F fluciclovine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Baptist Health South Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 46,
      "start_date": "2024-04-11",
      "completion_date": "2033-05",
      "has_results": false,
      "last_update_posted_date": "2026-05-20",
      "last_synced_at": "2026-09-16T06:43:44.530Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06048094"
    },
    {
      "nct_id": "NCT00853528",
      "title": "Stereotactic Radiosurgery in Treating Patients With Spinal Metastases",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Metastatic Cancer"
      ],
      "interventions": [
        {
          "name": "questionnaire administration",
          "type": "OTHER"
        },
        {
          "name": "diffusion tensor imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "functional magnetic resonance imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "hypo-fractionated SRS",
          "type": "RADIATION"
        },
        {
          "name": "single-fraction SRS",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE",
        "RADIATION"
      ],
      "sponsor": "Boston 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": 18,
      "start_date": "2009-01",
      "completion_date": "2017-06",
      "has_results": false,
      "last_update_posted_date": "2017-07-19",
      "last_synced_at": "2026-09-16T06:43:44.530Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00853528"
    },
    {
      "nct_id": "NCT02031237",
      "title": "MRI Study of Changes in Blood-Brain/Tumor-Barrier Permeability in Patients With Brain Metastases During and After Radiotherapy",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Brain Metastases"
      ],
      "interventions": [
        {
          "name": "Single Fraction Stereotactic Radiosurgery (SRS)",
          "type": "RADIATION"
        },
        {
          "name": "Fractionated Whole Brain Radiation Therapy (WBRT)",
          "type": "RADIATION"
        },
        {
          "name": "Fractionated Stereotactic Radiation Therapy (FSRT)",
          "type": "RADIATION"
        },
        {
          "name": "Magnetic Resonance Imaging (MRI) Assessments",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "DEVICE"
      ],
      "sponsor": "University of Michigan Rogel 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": 52,
      "start_date": "2005-04",
      "completion_date": "2014-12",
      "has_results": true,
      "last_update_posted_date": "2019-07-26",
      "last_synced_at": "2026-09-16T06:43:44.530Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02031237"
    },
    {
      "nct_id": "NCT06132945",
      "title": "A Study of Cabozantinib and Nivolumab With Radiation Therapy for People With Renal Cell Carcinoma That Has Spread to the Brain",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Metastatic Renal Cell Carcinoma",
        "Brain Metastases"
      ],
      "interventions": [
        {
          "name": "Cabozantinib",
          "type": "DRUG"
        },
        {
          "name": "Nivolumab",
          "type": "DEVICE"
        },
        {
          "name": "Stereotactic Radiosurgery (SRS)",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE",
        "RADIATION"
      ],
      "sponsor": "Memorial Sloan Kettering 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": 2,
      "start_date": "2023-11-10",
      "completion_date": "2027-11",
      "has_results": false,
      "last_update_posted_date": "2025-11-14",
      "last_synced_at": "2026-09-16T06:43:44.530Z",
      "location_count": 7,
      "location_summary": "Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more",
      "locations": [
        {
          "city": "Basking Ridge",
          "state": "New Jersey"
        },
        {
          "city": "Middletown",
          "state": "New Jersey"
        },
        {
          "city": "Montvale",
          "state": "New Jersey"
        },
        {
          "city": "Commack",
          "state": "New York"
        },
        {
          "city": "Harrison",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06132945"
    },
    {
      "nct_id": "NCT05985148",
      "title": "A Study of Stereotactic Radiosurgery (SRS) to Treat Pain in the Chest and/or Stomach Wall",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Thoracoabdominal Wall Pain",
        "Secondary to Parietal Pleura or Parietal Peritoneum Disease"
      ],
      "interventions": [
        {
          "name": "Single-fraction stereotactic radiosurgery (SRS)",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "Memorial Sloan Kettering 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": 18,
      "start_date": "2023-08-02",
      "completion_date": "2028-08",
      "has_results": false,
      "last_update_posted_date": "2026-01-20",
      "last_synced_at": "2026-09-16T06:43:44.530Z",
      "location_count": 7,
      "location_summary": "Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more",
      "locations": [
        {
          "city": "Basking Ridge",
          "state": "New Jersey"
        },
        {
          "city": "Middletown",
          "state": "New Jersey"
        },
        {
          "city": "Montvale",
          "state": "New Jersey"
        },
        {
          "city": "Commack",
          "state": "New York"
        },
        {
          "city": "Harrison",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05985148"
    },
    {
      "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": "2026-09-16T06:43:44.530Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04427228"
    },
    {
      "nct_id": "NCT03391362",
      "title": "Stereotactic Radiation in Patients With Small Cell Lung Cancer and 1-10 Brain Metastases",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Brain Metastases",
        "Small Cell Lung Cancer"
      ],
      "interventions": [
        {
          "name": "Stereotactic Radiation",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2018-02-23",
      "completion_date": "2027-07-01",
      "has_results": true,
      "last_update_posted_date": "2026-07-14",
      "last_synced_at": "2026-09-16T06:43:44.530Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03391362"
    },
    {
      "nct_id": "NCT05702749",
      "title": "Evaluating Pre-Treatment Vestibular Physical Therapy Rehab for Patients With Vestibular Schwannomas",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vestibular Schwannoma"
      ],
      "interventions": [
        {
          "name": "Microsurgical resection of VS",
          "type": "PROCEDURE"
        },
        {
          "name": "Stereotactic radiosurgery",
          "type": "RADIATION"
        },
        {
          "name": "PREHAB",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "RADIATION",
        "OTHER"
      ],
      "sponsor": "Medical College of Wisconsin",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 36,
      "start_date": "2024-01-22",
      "completion_date": "2027-12",
      "has_results": false,
      "last_update_posted_date": "2026-03-24",
      "last_synced_at": "2026-09-16T06:43:44.530Z",
      "location_count": 1,
      "location_summary": "Milwaukee, Wisconsin",
      "locations": [
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05702749"
    }
  ]
}