{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=CyberKnife+Partial+Breast+Irradiation",
    "query": {
      "intervention": "CyberKnife Partial Breast Irradiation"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 7,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-27T10:10:23.998Z",
  "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": "NCT03946683",
      "title": "Cyberknife for Early Stage Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Early Stage Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Cyberknife for Early Stage Breast Cancer",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "NYU Langone Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "45 Years to 45 Years · Female only"
      },
      "enrollment_count": 26,
      "start_date": "2010-09",
      "completion_date": "2020-04-23",
      "has_results": false,
      "last_update_posted_date": "2021-02-18",
      "last_synced_at": "2026-09-27T10:10:23.998Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03946683"
    },
    {
      "nct_id": "NCT01290835",
      "title": "Conformal Partial Breast Irradiation With CyberKnife After Resection for Early Stage Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Stereotactic radiotherapy delivered by CyberKnife",
          "type": "RADIATION"
        },
        {
          "name": "stereotactic radiotherapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "Essentia Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": "60 Years",
        "sex": "FEMALE",
        "summary": "60 Years to 60 Years · Female only"
      },
      "enrollment_count": 20,
      "start_date": "2010-06",
      "completion_date": "2025-08",
      "has_results": false,
      "last_update_posted_date": "2025-08-15",
      "last_synced_at": "2026-09-27T10:10:23.998Z",
      "location_count": 1,
      "location_summary": "Duluth, Minnesota",
      "locations": [
        {
          "city": "Duluth",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01290835"
    },
    {
      "nct_id": "NCT01162200",
      "title": "Cyberknife® Partial Breast Irradiation (PBI) for Early Stage Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Early Stage Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Stereotactic Body Radiation Therapy",
          "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": "99 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 99 Years · Female only"
      },
      "enrollment_count": 75,
      "start_date": "2010-10-04",
      "completion_date": "2015-12-28",
      "has_results": false,
      "last_update_posted_date": "2020-08-20",
      "last_synced_at": "2026-09-27T10:10:23.998Z",
      "location_count": 2,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01162200"
    },
    {
      "nct_id": "NCT04040569",
      "title": "A Phase I Dose Escalation Study of Single Fraction Pre-operative Partial Breast (S-PBI) for Early Stage Breast Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Radiomics on MRI",
          "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": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 45,
      "start_date": "2019-12-25",
      "completion_date": "2027-07",
      "has_results": false,
      "last_update_posted_date": "2026-09-23",
      "last_synced_at": "2026-09-27T10:10:23.998Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04040569"
    },
    {
      "nct_id": "NCT02457117",
      "title": "A Multi-Institutional Registry for CyberKnife Stereotactic Accelerated Partial Breast Irradiation (CK-SAPBI)",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "CyberKnife Stereotactic Accelerated Partial Breast Irradiation (CK-SAPBI)",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "Georgetown University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "99 Years",
        "sex": "FEMALE",
        "summary": "50 Years to 99 Years · Female only"
      },
      "enrollment_count": 200,
      "start_date": "2015-05",
      "completion_date": "2020-06",
      "has_results": false,
      "last_update_posted_date": "2019-07-17",
      "last_synced_at": "2026-09-27T10:10:23.998Z",
      "location_count": 1,
      "location_summary": "Washington D.C., District of Columbia",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02457117"
    },
    {
      "nct_id": "NCT02365714",
      "title": "CyberKnife Stereotactic Accelerated Partial Breast Irradiation (SAPBI)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer",
        "DCIS",
        "Invasive Ductal Carcinoma"
      ],
      "interventions": [
        {
          "name": "CK Stereotactic Accelerated Partial Breast Irradiation",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "Georgetown University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "99 Years",
        "sex": "FEMALE",
        "summary": "50 Years to 99 Years · Female only"
      },
      "enrollment_count": 2,
      "start_date": "2015-02",
      "completion_date": "2017-01",
      "has_results": true,
      "last_update_posted_date": "2018-04-13",
      "last_synced_at": "2026-09-27T10:10:23.998Z",
      "location_count": 1,
      "location_summary": "Washington D.C., District of Columbia",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02365714"
    },
    {
      "nct_id": "NCT00529334",
      "title": "A Pilot Study of CyberKnife Radiosurgery Delivered to the Partial Breast",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "CyberKnife Partial Breast Irradiation",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "Georgetown University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "45 Years and older · Female only"
      },
      "enrollment_count": 0,
      "start_date": "2007-09",
      "completion_date": "2008-09",
      "has_results": false,
      "last_update_posted_date": "2013-11-20",
      "last_synced_at": "2026-09-27T10:10:23.998Z",
      "location_count": 1,
      "location_summary": "Washington D.C., District of Columbia",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00529334"
    }
  ]
}