{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=SRS",
    "query": {
      "condition": "SRS"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 71,
    "total_pages": 8,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=SRS&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-05-22T03:54:17.689Z",
  "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": "NCT04588246",
      "title": "Comparing Whole Brain Radiotherapy Using a Technique That Avoids the Hippocampus to Stereotactic Radiosurgery in Patients With Cancer That Has Spread to the Brain and Come Back in Other Areas of the Brain After Earlier Stereotactic Radiosurgery",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Anatomic Stage IV Breast Cancer AJCC v8",
        "Metastatic Lung Non-Small Cell Carcinoma",
        "Metastatic Lung Small Cell Carcinoma",
        "Metastatic Malignant Breast Neoplasm",
        "Metastatic Malignant Digestive System Neoplasm",
        "Metastatic Malignant Neoplasm in the Brain",
        "Metastatic Malignant Solid Neoplasm",
        "Metastatic Melanoma",
        "Metastatic Renal Cell Carcinoma",
        "Recurrent Brain Neoplasm",
        "Stage IV Lung Cancer AJCC v8",
        "Stage IV Renal Cell Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Memantine",
          "type": "DRUG"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Stereotactic Radiosurgery",
          "type": "RADIATION"
        },
        {
          "name": "Whole-Brain Radiotherapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "OTHER",
        "RADIATION"
      ],
      "sponsor": "NRG Oncology",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 19,
      "start_date": "2021-08-05",
      "completion_date": "2024-08-06",
      "has_results": true,
      "last_update_posted_date": "2026-05-20",
      "last_synced_at": "2026-05-22T03:54:17.689Z",
      "location_count": 79,
      "location_summary": "Tucson, Arizona • Corona, California • Duarte, California + 63 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Corona",
          "state": "California"
        },
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Irvine",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04588246"
    },
    {
      "nct_id": "NCT01721603",
      "title": "Dabrafenib and Trametinib With Radiosurgery in Melanoma Brain Mets",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "BRAFV600E Melanoma Patients"
      ],
      "interventions": [
        {
          "name": "Dabrafenib",
          "type": "DRUG"
        },
        {
          "name": "Gamma Knife Radiosurgery",
          "type": "PROCEDURE"
        },
        {
          "name": "Trametinib",
          "type": "DRUG"
        }
      ],
      "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": 2,
      "start_date": "2013-04",
      "completion_date": "2016-01",
      "has_results": true,
      "last_update_posted_date": "2018-01-23",
      "last_synced_at": "2026-05-22T03:54:17.689Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01721603"
    },
    {
      "nct_id": "NCT02716948",
      "title": "SRS and Nivolumab in Treating Patients With Newly Diagnosed Melanoma Metastases in the Brain or Spine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Metastatic Malignant Neoplasm in the Brain",
        "Metastatic Malignant Neoplasm in the Spine",
        "Stage IV Skin Melanoma"
      ],
      "interventions": [
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Nivolumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Stereotactic Radiosurgery",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BIOLOGICAL",
        "RADIATION"
      ],
      "sponsor": "Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins",
      "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": "2016-06-23",
      "completion_date": "2021-08-27",
      "has_results": false,
      "last_update_posted_date": "2021-11-30",
      "last_synced_at": "2026-05-22T03:54:17.689Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02716948"
    },
    {
      "nct_id": "NCT06248606",
      "title": "Adagrasib + SRS for Patients With Metastatic KRAS G12C-mutated NSCLC With Untreated Brain Metastases",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Non Small Cell Lung Cancer",
        "NSCLC",
        "KRAS G12C"
      ],
      "interventions": [
        {
          "name": "Adagrasib",
          "type": "DRUG"
        },
        {
          "name": "Stereotactic Radiosurgery",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "Ryan Gentzler, MD",
      "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": "2024-08-06",
      "completion_date": "2028-02-25",
      "has_results": false,
      "last_update_posted_date": "2026-04-08",
      "last_synced_at": "2026-05-22T03:54:17.689Z",
      "location_count": 3,
      "location_summary": "Columbus, Ohio • Charlottesville, Virginia • Richmond, Virginia",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        },
        {
          "city": "Charlottesville",
          "state": "Virginia"
        },
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06248606"
    },
    {
      "nct_id": "NCT03075072",
      "title": "Hippocampal Sparing Whole Brain Radiation Versus Stereotactic Radiation in Patients With 5-20 Brain Metastases: A Phase III, Randomized Trial",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Brain Metastases"
      ],
      "interventions": [
        {
          "name": "Whole brain radiation",
          "type": "RADIATION"
        },
        {
          "name": "Stereotactic radiation (SRS)",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "Dana-Farber Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 196,
      "start_date": "2017-04-10",
      "completion_date": "2025-09-30",
      "has_results": false,
      "last_update_posted_date": "2024-10-23",
      "last_synced_at": "2026-05-22T03:54:17.689Z",
      "location_count": 2,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03075072"
    },
    {
      "nct_id": "NCT04114981",
      "title": "Single Fraction Stereotactic Radiosurgery Compared With Fractionated Stereotactic Radiosurgery in Treating Patients With Resected Metastatic Brain Disease",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Metastatic Malignant Neoplasm in the Brain"
      ],
      "interventions": [
        {
          "name": "Single Fraction Stereotactic Radiosurgery",
          "type": "RADIATION"
        },
        {
          "name": "Fractionated Stereotactic Radiosurgery",
          "type": "RADIATION"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "PROCEDURE"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "Alliance for Clinical Trials in Oncology",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 242,
      "start_date": "2019-11-19",
      "completion_date": "2028-09",
      "has_results": false,
      "last_update_posted_date": "2026-04-21",
      "last_synced_at": "2026-05-22T03:54:17.689Z",
      "location_count": 223,
      "location_summary": "Birmingham, Alabama • Anchorage, Alaska • Gilbert, Arizona + 180 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Gilbert",
          "state": "Arizona"
        },
        {
          "city": "Glendale",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04114981"
    },
    {
      "nct_id": "NCT04545814",
      "title": "Analyzing Preoperative Stereotactic Radiosurgery With Gamma Knife Icon for Brain Metastases",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Brain Metastases"
      ],
      "interventions": [
        {
          "name": "Stereotactic Radiosurgery",
          "type": "DEVICE"
        },
        {
          "name": "Surgical Resection",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "PROCEDURE"
      ],
      "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": 11,
      "start_date": "2021-01-15",
      "completion_date": "2024-08-22",
      "has_results": true,
      "last_update_posted_date": "2026-03-24",
      "last_synced_at": "2026-05-22T03:54:17.689Z",
      "location_count": 1,
      "location_summary": "Milwaukee, Wisconsin",
      "locations": [
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04545814"
    },
    {
      "nct_id": "NCT04899908",
      "title": "Stereotactic Brain-directed Radiation With or Without Aguix Gadolinium-Based Nanoparticles in Brain Metastases",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Brain Cancer",
        "Brain Metastases",
        "Melanoma",
        "Lung Cancer",
        "Breast Cancer",
        "HER2-positive Breast Cancer",
        "Colorectal Cancer",
        "Gastrointestinal Cancer",
        "SRS",
        "SRT",
        "Whole Brain Radiation",
        "Stereotactic Radiation",
        "AGuIX",
        "Nanoparticle",
        "Cystic",
        "Brain Tumor"
      ],
      "interventions": [
        {
          "name": "Stereotactic Radiation",
          "type": "RADIATION"
        },
        {
          "name": "AGuIX gadolinium-based nanoparticles",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "DRUG",
        "OTHER"
      ],
      "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": 134,
      "start_date": "2021-09-15",
      "completion_date": "2029-05",
      "has_results": false,
      "last_update_posted_date": "2026-03-19",
      "last_synced_at": "2026-05-22T03:54:17.689Z",
      "location_count": 2,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04899908"
    },
    {
      "nct_id": "NCT01908179",
      "title": "Markers of Prognosis and Response to Therapy in Patients With Metastatic Brain Tumors Undergoing Stereotactic Radiosurgery (SRS)",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Metastatic Brain Tumor"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Swedish Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "19 Years to 80 Years"
      },
      "enrollment_count": 100,
      "start_date": "2013-01",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2013-07-25",
      "last_synced_at": "2026-05-22T03:54:17.689Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01908179"
    },
    {
      "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": "2026-05-22T03:54:17.689Z",
      "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"
    }
  ]
}