{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=accelerated+partial+breast+irradiation&page=2",
    "query": {
      "intervention": "accelerated partial breast irradiation",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=accelerated+partial+breast+irradiation&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-29T01:01:24.540Z",
  "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": "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": "2026-09-29T01:01:24.540Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00593346"
    },
    {
      "nct_id": "NCT02728076",
      "title": "MRI-Based Preoperative Accelerated Partial Breast Irradiation",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Phase II - Preoperative Radiation followed by Lumpectomy.",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "Medical College of Wisconsin",
      "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": 39,
      "start_date": "2016-07-29",
      "completion_date": "2026-08-24",
      "has_results": true,
      "last_update_posted_date": "2026-08-20",
      "last_synced_at": "2026-09-29T01:01:24.540Z",
      "location_count": 1,
      "location_summary": "Milwaukee, Wisconsin",
      "locations": [
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02728076"
    },
    {
      "nct_id": "NCT03936478",
      "title": "Real-Time MRI-Guided 3-Fraction Accelerated Partial Breast Irradiation in Early Breast Cancer",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer",
        "DCIS",
        "LCIS"
      ],
      "interventions": [
        {
          "name": "MRIdian Radiation Treatment Unit",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "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": 30,
      "start_date": "2022-05-16",
      "completion_date": "2031-01",
      "has_results": false,
      "last_update_posted_date": "2026-06-11",
      "last_synced_at": "2026-09-29T01:01:24.540Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03936478"
    },
    {
      "nct_id": "NCT03612648",
      "title": "Three Fraction Accelerated Partial Breast Irradiation as the Sole Method of Radiation Therapy for Low-risk Stage 0 and I Breast Carcinoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Carcinoma",
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Three Fraction Accelerated Partial Breast Irradiation",
          "type": "RADIATION"
        },
        {
          "name": "Partial mastectomy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "PROCEDURE"
      ],
      "sponsor": "Washington University School of Medicine",
      "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": 77,
      "start_date": "2018-08-30",
      "completion_date": "2026-04-28",
      "has_results": false,
      "last_update_posted_date": "2026-05-05",
      "last_synced_at": "2026-09-29T01:01:24.540Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03612648"
    },
    {
      "nct_id": "NCT01646346",
      "title": "4D Image-Guided Partial Breast Radiation in Stage 0 and l Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "4D Conformal Image-Guided Partial Breast RT",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "Yale University",
      "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": 46,
      "start_date": "2012-01-10",
      "completion_date": "2017-07-17",
      "has_results": true,
      "last_update_posted_date": "2018-11-23",
      "last_synced_at": "2026-09-29T01:01:24.540Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01646346"
    },
    {
      "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": "2026-09-29T01:01:24.540Z",
      "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": "NCT05591547",
      "title": "Evaluating the Safety and Efficacy of a Novel Accelerated Partial Breast Irradiation Regimen",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "IMRT/VMAT-Based Accelerated Partial Breast Irradiation",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "Sanford Health",
      "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": 91,
      "start_date": "2022-03-30",
      "completion_date": "2027-06",
      "has_results": false,
      "last_update_posted_date": "2026-05-06",
      "last_synced_at": "2026-09-29T01:01:24.540Z",
      "location_count": 2,
      "location_summary": "Worthington, Minnesota • Sioux Falls, South Dakota",
      "locations": [
        {
          "city": "Worthington",
          "state": "Minnesota"
        },
        {
          "city": "Sioux Falls",
          "state": "South Dakota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05591547"
    },
    {
      "nct_id": "NCT07612254",
      "title": "aPBI Re-irradiation",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer Recurrent"
      ],
      "interventions": [
        {
          "name": "Reirradiation",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "Dartmouth-Hitchcock Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2026-06-03",
      "completion_date": "2033-04",
      "has_results": false,
      "last_update_posted_date": "2026-05-28",
      "last_synced_at": "2026-09-29T01:01:24.540Z",
      "location_count": 1,
      "location_summary": "Lebanon, New Hampshire",
      "locations": [
        {
          "city": "Lebanon",
          "state": "New Hampshire"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07612254"
    },
    {
      "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": "2026-09-29T01:01:24.540Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01245712"
    },
    {
      "nct_id": "NCT03137693",
      "title": "Preoperative Stereotactic Ablative Body Radiotherapy (SABR) for Early-Stage Breast Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer",
        "Breast Cancer Female",
        "Breast Adenocarcinoma"
      ],
      "interventions": [
        {
          "name": "Standard of Care Schedule Variation: SABR",
          "type": "OTHER"
        },
        {
          "name": "Breast-conserving Surgery",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "H. Lee Moffitt Cancer Center and Research Institute",
      "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": 20,
      "start_date": "2017-11-29",
      "completion_date": "2020-01-27",
      "has_results": true,
      "last_update_posted_date": "2023-02-23",
      "last_synced_at": "2026-09-29T01:01:24.540Z",
      "location_count": 1,
      "location_summary": "Tampa, Florida",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03137693"
    }
  ]
}