{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Accelerated+partial+breast+irradiation",
    "query": {
      "intervention": "Accelerated partial breast irradiation"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 49,
    "total_pages": 5,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Accelerated+partial+breast+irradiation&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-18T08:38:01.984Z",
  "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": "NCT00103181",
      "title": "Radiation Therapy (WBI Versus PBI) in Treating Women Who Have Undergone Surgery For Ductal Carcinoma In Situ or Stage I or Stage II Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "3-dimensional conformal accelerated partial breast irradiation",
          "type": "RADIATION"
        },
        {
          "name": "brachytherapy",
          "type": "RADIATION"
        },
        {
          "name": "whole breast irradiation",
          "type": "RADIATION"
        },
        {
          "name": "MammoSite or other single-entry intracavitary device",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "NSABP Foundation Inc",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 4216,
      "start_date": "2005-03",
      "completion_date": "2018-08",
      "has_results": false,
      "last_update_posted_date": "2022-04-14",
      "last_synced_at": "2026-09-18T08:38:01.984Z",
      "location_count": 374,
      "location_summary": "Birmingham, Alabama • Peoria, Arizona • Phoenix, Arizona + 295 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Peoria",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00103181"
    },
    {
      "nct_id": "NCT00185744",
      "title": "Accelerated Partial Breast Irradiation Following Lumpectomy for Breast Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer",
        "Carcinoma, Ductal"
      ],
      "interventions": [
        {
          "name": "Intra-Operative Radiotherapy (IORT)",
          "type": "RADIATION"
        },
        {
          "name": "Lumpectomy",
          "type": "PROCEDURE"
        },
        {
          "name": "Whole Breast Radiotherapy",
          "type": "RADIATION"
        },
        {
          "name": "Intracavitary Brachytherapy",
          "type": "RADIATION"
        },
        {
          "name": "Accelerated External Beam 3-D Conformal Radiotherapy",
          "type": "RADIATION"
        },
        {
          "name": "Stereotactic APBI",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "PROCEDURE"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "40 Years and older · Female only"
      },
      "enrollment_count": 121,
      "start_date": "2002-09",
      "completion_date": "2029-03",
      "has_results": false,
      "last_update_posted_date": "2026-03-20",
      "last_synced_at": "2026-09-18T08:38:01.984Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00185744"
    },
    {
      "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": "2026-09-18T08:38:01.984Z",
      "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": "NCT03643861",
      "title": "RAD 1802: Pilot Trial of Five Fraction Stereotactic Body Radiotherapy for Early Stage Breast Cancer Patients Eligible for Post-Operative Accelerated Partial Breast Irradiation (APBI)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "5 Fraction Stereotactic Body Radiation Therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 40,
      "start_date": "2019-08-20",
      "completion_date": "2028-12",
      "has_results": false,
      "last_update_posted_date": "2025-10-31",
      "last_synced_at": "2026-09-18T08:38:01.984Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03643861"
    },
    {
      "nct_id": "NCT00593346",
      "title": "Evaluation of Accelerated Partial Breast Brachytherapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "brachytherapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "Washington University School of Medicine",
      "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": 151,
      "start_date": "2004-03",
      "completion_date": "2013-11",
      "has_results": true,
      "last_update_posted_date": "2015-06-29",
      "last_synced_at": "2026-09-18T08:38:01.984Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00593346"
    },
    {
      "nct_id": "NCT01463007",
      "title": "Partial Breast Irradiation Using Non Invasive Approach for Early Stage Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Accelerated partial breast irradiation",
          "type": "RADIATION"
        },
        {
          "name": "Extended Follow up",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "OTHER"
      ],
      "sponsor": "Jaroslaw Hepel",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "50 Years and older · Female only"
      },
      "enrollment_count": 40,
      "start_date": "2011-08",
      "completion_date": "2021-04-06",
      "has_results": true,
      "last_update_posted_date": "2021-05-19",
      "last_synced_at": "2026-09-18T08:38:01.984Z",
      "location_count": 4,
      "location_summary": "Lakeland, Florida • Providence, Rhode Island • Tacoma, Washington",
      "locations": [
        {
          "city": "Lakeland",
          "state": "Florida"
        },
        {
          "city": "Providence",
          "state": "Rhode Island"
        },
        {
          "city": "Providence",
          "state": "Rhode Island"
        },
        {
          "city": "Tacoma",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01463007"
    },
    {
      "nct_id": "NCT01245712",
      "title": "Radiation Therapy in Treating Patients With Stage 0-II Breast Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Adenocarcinoma",
        "Ductal Breast Carcinoma In Situ",
        "Invasive Breast Carcinoma",
        "Stage 0 Breast Cancer AJCC v6 and v7",
        "Stage I Breast Cancer AJCC v7",
        "Stage IA Breast Cancer AJCC v7",
        "Stage IB Breast Cancer AJCC v7",
        "Stage II Breast Cancer AJCC v6 and v7",
        "Stage IIA Breast Cancer AJCC v6 and v7",
        "Stage IIB Breast Cancer AJCC v6 and v7"
      ],
      "interventions": [
        {
          "name": "Accelerated Partial Breast Irradiation",
          "type": "RADIATION"
        },
        {
          "name": "Proton Beam Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "OTHER"
      ],
      "sponsor": "M.D. Anderson Cancer 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": 200,
      "start_date": "2010-11-15",
      "completion_date": "2032-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-05-01",
      "last_synced_at": "2026-09-18T08:38:01.984Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01245712"
    },
    {
      "nct_id": "NCT00742222",
      "title": "Electronic Xoft Intersociety Brachytherapy Trial: Electronic Brachytherapy (EBT) For Treatment of Early Stage Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Breast Cancer",
        "Carcinoma",
        "Lumpectomy",
        "Ductal Carcinoma in Situ"
      ],
      "interventions": [
        {
          "name": "Electronic Brachytherapy",
          "type": "RADIATION"
        },
        {
          "name": "Intracavitary accelerated partial breast irradiation",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "Xoft, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "50 Years and older · Female only"
      },
      "enrollment_count": 63,
      "start_date": "2008-05",
      "completion_date": "2015-01",
      "has_results": false,
      "last_update_posted_date": "2016-05-17",
      "last_synced_at": "2026-09-18T08:38:01.984Z",
      "location_count": 8,
      "location_summary": "Tuscaloosa, Alabama • Montebello, California • Orange Park, Florida + 5 more",
      "locations": [
        {
          "city": "Tuscaloosa",
          "state": "Alabama"
        },
        {
          "city": "Montebello",
          "state": "California"
        },
        {
          "city": "Orange Park",
          "state": "Florida"
        },
        {
          "city": "Swansea",
          "state": "Illinois"
        },
        {
          "city": "Cape Girardeau",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00742222"
    },
    {
      "nct_id": "NCT02453737",
      "title": "A Study of Accelerated 3 Fraction Photon,Proton or Brachytherapy for Early Invasive and Noninvasive Breast Ca",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Brachytherapy APBI",
          "type": "RADIATION"
        },
        {
          "name": "3D-CRT (photon) APBI",
          "type": "RADIATION"
        },
        {
          "name": "Proton APBI",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "50 Years and older · Female only"
      },
      "enrollment_count": 170,
      "start_date": "2015-06-16",
      "completion_date": "2022-09-21",
      "has_results": true,
      "last_update_posted_date": "2024-09-19",
      "last_synced_at": "2026-09-18T08:38:01.984Z",
      "location_count": 3,
      "location_summary": "Phoenix, Arizona • Jacksonville, Florida • Rochester, Minnesota",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02453737"
    },
    {
      "nct_id": "NCT01185145",
      "title": "Accelerated Partial Breast Radiotherapy With Either Mammosite or Intensity Modulated Radiotherapy",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Breast Brachytherapy with Mammosite RTS",
          "type": "RADIATION"
        },
        {
          "name": "Intensity Modulated Radiotherapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "Rocky Mountain Cancer Centers",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 291,
      "start_date": "2004-02",
      "completion_date": "2024-08",
      "has_results": false,
      "last_update_posted_date": "2013-07-11",
      "last_synced_at": "2026-09-18T08:38:01.984Z",
      "location_count": 6,
      "location_summary": "Aurora, Colorado • Boulder, Colorado • Denver, Colorado + 3 more",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Boulder",
          "state": "Colorado"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Littleton",
          "state": "Colorado"
        },
        {
          "city": "Lone Tree",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01185145"
    }
  ]
}