{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Invasive+Breast+Cancer+Early+Stages",
    "query": {
      "condition": "Invasive Breast Cancer Early Stages"
    },
    "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?condition=Invasive+Breast+Cancer+Early+Stages&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-07-23T22:25:01.944Z",
  "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": "NCT03454529",
      "title": "The Effect of Simvastatin on Breast Cancer Cell Growth in Women With Stage I-II Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Invasive Breast Carcinoma",
        "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": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Simvastatin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG"
      ],
      "sponsor": "Michael Simon",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "19 Years and older · Female only"
      },
      "enrollment_count": 24,
      "start_date": "2018-03-09",
      "completion_date": "2021-10-06",
      "has_results": true,
      "last_update_posted_date": "2023-08-01",
      "last_synced_at": "2026-07-23T22:25:01.944Z",
      "location_count": 1,
      "location_summary": "Detroit, Michigan",
      "locations": [
        {
          "city": "Detroit",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03454529"
    },
    {
      "nct_id": "NCT02526498",
      "title": "Accelerated Partial Breast Radiation Therapy Using High-Dose Rate Brachytherapy in Treating Patients With Early Stage Breast Cancer After Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Ductal Breast Carcinoma In Situ",
        "Estrogen Receptor Positive",
        "Invasive Breast Carcinoma",
        "Progesterone Receptor Positive",
        "Stage IA Breast Cancer",
        "Stage IB Breast Cancer",
        "Stage IIA Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Accelerated Partial Breast Irradiation",
          "type": "RADIATION"
        },
        {
          "name": "High-Dose Rate Brachytherapy",
          "type": "RADIATION"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "OTHER"
      ],
      "sponsor": "Rutgers, The State University of New Jersey",
      "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": 200,
      "start_date": "2015-07-15",
      "completion_date": "2021-03-31",
      "has_results": true,
      "last_update_posted_date": "2023-05-15",
      "last_synced_at": "2026-07-23T22:25:01.944Z",
      "location_count": 10,
      "location_summary": "Gilbert, Arizona • La Jolla, California • Royal Oak, Michigan + 6 more",
      "locations": [
        {
          "city": "Gilbert",
          "state": "Arizona"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Royal Oak",
          "state": "Michigan"
        },
        {
          "city": "New Brunswick",
          "state": "New Jersey"
        },
        {
          "city": "New Brunswick",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02526498"
    },
    {
      "nct_id": "NCT05020860",
      "title": "Correlation of Clinical Response to Pathologic Response in Patients With Early Breast Cancer",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer",
        "Breast Neoplasm",
        "Breast Cancer Female",
        "Breast Cancer Invasive",
        "Breast Cancer Stage II",
        "Breast Cancer Stage III",
        "Triple Negative Breast Cancer",
        "Hormone Receptor-positive Breast Cancer",
        "HER2-positive Breast Cancer",
        "Triple Negative Breast Neoplasms",
        "Estrogen Receptor-positive Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Paclitaxel",
          "type": "DRUG"
        },
        {
          "name": "Carboplatin",
          "type": "DRUG"
        },
        {
          "name": "Trastuzumab",
          "type": "DRUG"
        },
        {
          "name": "Pertuzumab",
          "type": "DRUG"
        },
        {
          "name": "Doxorubicin",
          "type": "DRUG"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Pembrolizumab",
          "type": "DRUG"
        },
        {
          "name": "Pertuzumab/Trastuzumab/Hyaluronidase-zzxf",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Baylor Breast Care Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 185,
      "start_date": "2023-04-18",
      "completion_date": "2029-11",
      "has_results": false,
      "last_update_posted_date": "2025-02-27",
      "last_synced_at": "2026-07-23T22:25:01.944Z",
      "location_count": 2,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05020860"
    },
    {
      "nct_id": "NCT02186470",
      "title": "Intensity Modulated Accelerated Partial Breast Irradiation Before Surgery in Treating Older Patients With Hormone Responsive Stage 0-I Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Estrogen Receptor-positive Breast Cancer",
        "Invasive Ductal Breast Carcinoma",
        "Invasive Ductal Breast Carcinoma With Predominant Intraductal Component",
        "Medullary Ductal Breast Carcinoma With Lymphocytic Infiltrate",
        "Mucinous Ductal Breast Carcinoma",
        "Papillary Ductal Breast Carcinoma",
        "Progesterone Receptor-positive Breast Cancer",
        "Stage IA Breast Cancer",
        "Stage IB Breast Cancer",
        "Tubular Ductal Breast Carcinoma"
      ],
      "interventions": [
        {
          "name": "accelerated partial breast irradiation",
          "type": "RADIATION"
        },
        {
          "name": "intensity-modulated radiation therapy",
          "type": "RADIATION"
        },
        {
          "name": "image-guided radiation therapy",
          "type": "RADIATION"
        },
        {
          "name": "therapeutic conventional surgery",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "PROCEDURE"
      ],
      "sponsor": "Ohio State University Comprehensive Cancer Center",
      "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": 22,
      "start_date": "2016-04-29",
      "completion_date": "2025-09-04",
      "has_results": false,
      "last_update_posted_date": "2025-09-22",
      "last_synced_at": "2026-07-23T22:25:01.944Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02186470"
    },
    {
      "nct_id": "NCT01644669",
      "title": "Safety and Efficacy Study of the Xoft® Axxent® eBx® IORT System®",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Invasive Ductal Carcinoma",
        "Ductal Carcinoma in Situ"
      ],
      "interventions": [
        {
          "name": "Intra-operative Radiation Therapy - IORT",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "Xoft, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "40 Years and older · Female only"
      },
      "enrollment_count": 1200,
      "start_date": "2012-05-08",
      "completion_date": "2029-12-31",
      "has_results": false,
      "last_update_posted_date": "2025-01-31",
      "last_synced_at": "2026-07-23T22:25:01.944Z",
      "location_count": 22,
      "location_summary": "Tucson, Arizona • Duarte, California • Long Beach, California + 17 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Oceanside",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01644669"
    },
    {
      "nct_id": "NCT04875351",
      "title": "Breast Cancer Index (BCI) Registry",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Breast Cancer Index (BCI) Risk of Recurrence & Extended Endocrine Benefit Test",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Biotheranostics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 3465,
      "start_date": "2021-04-14",
      "completion_date": "2028-12",
      "has_results": false,
      "last_update_posted_date": "2024-09-19",
      "last_synced_at": "2026-07-23T22:25:01.944Z",
      "location_count": 105,
      "location_summary": "Daphne, Alabama • Mobile, Alabama • Glendale, Arizona + 84 more",
      "locations": [
        {
          "city": "Daphne",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Glendale",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04875351"
    },
    {
      "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": "2026-07-23T22:25:01.944Z",
      "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": "NCT02876640",
      "title": "Retinoid 9cUAB30 in Producing a Biologic Effect in Patients With Early Stage Breast Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Anatomic Stage I Breast Cancer AJCC v8",
        "Anatomic Stage IA Breast Cancer AJCC v8",
        "Anatomic Stage IB Breast Cancer AJCC v8",
        "Anatomic Stage II Breast Cancer AJCC v8",
        "Anatomic Stage IIA Breast Cancer AJCC v8",
        "Anatomic Stage IIB Breast Cancer AJCC v8",
        "Breast Ductal Carcinoma In Situ",
        "Early Stage Breast Carcinoma",
        "Invasive Breast Carcinoma"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Retinoid 9cUAB30",
          "type": "DRUG"
        },
        {
          "name": "Therapeutic Conventional Surgery",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 27,
      "start_date": "2018-03-16",
      "completion_date": "2022-06-03",
      "has_results": true,
      "last_update_posted_date": "2024-06-18",
      "last_synced_at": "2026-07-23T22:25:01.944Z",
      "location_count": 5,
      "location_summary": "Birmingham, Alabama • Chicago, Illinois • Iowa City, Iowa + 2 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        },
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02876640"
    },
    {
      "nct_id": "NCT00909909",
      "title": "Radiation Therapy in Treating Women With Early Stage Breast Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "External beam boost",
          "type": "RADIATION"
        },
        {
          "name": "whole breast irradiation",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "Rutgers, The State University of New Jersey",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "120 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 120 Years · Female only"
      },
      "enrollment_count": 200,
      "start_date": "2009-05-13",
      "completion_date": "2027-07",
      "has_results": false,
      "last_update_posted_date": "2023-08-03",
      "last_synced_at": "2026-07-23T22:25:01.944Z",
      "location_count": 4,
      "location_summary": "Hamilton, New Jersey • New Brunswick, New Jersey • Somerset, New Jersey",
      "locations": [
        {
          "city": "Hamilton",
          "state": "New Jersey"
        },
        {
          "city": "New Brunswick",
          "state": "New Jersey"
        },
        {
          "city": "New Brunswick",
          "state": "New Jersey"
        },
        {
          "city": "Somerset",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00909909"
    },
    {
      "nct_id": "NCT00945061",
      "title": "Radiation Therapy in Treating Patients With Recurrent Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "intracavitary balloon brachytherapy",
          "type": "RADIATION"
        },
        {
          "name": "intraoperative radiation therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "Case Comprehensive 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": 13,
      "start_date": "2008-09-23",
      "completion_date": "2018-07-06",
      "has_results": true,
      "last_update_posted_date": "2020-08-18",
      "last_synced_at": "2026-07-23T22:25:01.944Z",
      "location_count": 3,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00945061"
    }
  ]
}