{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Excision+of+tumor%2Fmastectomy",
    "query": {
      "intervention": "Excision of tumor/mastectomy"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 38,
    "total_pages": 4,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Excision+of+tumor%2Fmastectomy&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-25T21:20:02.393Z",
  "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": "NCT01468883",
      "title": "The Treatment of Stage I and II Carcinoma of the Breast With Mastectomy and Axillary Dissection Versus Excisional Biopsy, Axillary Dissection, and Definitive Irradiation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "M",
          "type": "PROCEDURE"
        },
        {
          "name": "X",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "RADIATION"
      ],
      "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": 256,
      "start_date": "1979-09-04",
      "completion_date": "2016-11-17",
      "has_results": false,
      "last_update_posted_date": "2024-04-26",
      "last_synced_at": "2026-09-25T21:20:02.393Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01468883"
    },
    {
      "nct_id": "NCT01319539",
      "title": "MK2206 in Treating Patients With Stage I, Stage II, or Stage III Breast Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Estrogen Receptor Negative",
        "Estrogen Receptor Positive",
        "HER2/Neu Negative",
        "HER2/Neu Positive",
        "Progesterone Receptor Negative",
        "Progesterone Receptor Positive",
        "Stage IA Breast Cancer",
        "Stage IB Breast Cancer",
        "Stage IIA Breast Cancer",
        "Stage IIB Breast Cancer",
        "Stage IIIA Breast Cancer",
        "Stage IIIB Breast Cancer",
        "Stage IIIC Breast Cancer",
        "Triple-Negative Breast Carcinoma"
      ],
      "interventions": [
        {
          "name": "Akt Inhibitor MK2206",
          "type": "DRUG"
        },
        {
          "name": "Therapeutic Conventional Surgery",
          "type": "PROCEDURE"
        },
        {
          "name": "Pharmacological Study",
          "type": "OTHER"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE",
        "OTHER"
      ],
      "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": 12,
      "start_date": "2011-04",
      "completion_date": "2013-07",
      "has_results": true,
      "last_update_posted_date": "2017-08-30",
      "last_synced_at": "2026-09-25T21:20:02.393Z",
      "location_count": 3,
      "location_summary": "New York, New York • The Bronx, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "The Bronx",
          "state": "New York"
        },
        {
          "city": "The Bronx",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01319539"
    },
    {
      "nct_id": "NCT01880645",
      "title": "Selective Image Guided Resection of Axillary Lymph Nodes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Fine Needle Aspiration (FNA)",
          "type": "PROCEDURE"
        },
        {
          "name": "Ultrasound",
          "type": "PROCEDURE"
        },
        {
          "name": "Breast Surgery + Lymph Node Removal",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "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": 17,
      "start_date": "2012-03",
      "completion_date": "2015-09",
      "has_results": false,
      "last_update_posted_date": "2015-11-18",
      "last_synced_at": "2026-09-25T21:20:02.393Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01880645"
    },
    {
      "nct_id": "NCT01618357",
      "title": "Pre-Operative Radiation and Veliparib for Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Radiation",
          "type": "RADIATION"
        },
        {
          "name": "Lumpectomy/Mastectomy",
          "type": "PROCEDURE"
        },
        {
          "name": "Veliparib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "Richard Zellars",
      "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": 19,
      "start_date": "2013-07-22",
      "completion_date": "2023-10-17",
      "has_results": false,
      "last_update_posted_date": "2024-05-22",
      "last_synced_at": "2026-09-25T21:20:02.393Z",
      "location_count": 6,
      "location_summary": "Avon, Indiana • Carmel, Indiana • Indianapolis, Indiana",
      "locations": [
        {
          "city": "Avon",
          "state": "Indiana"
        },
        {
          "city": "Carmel",
          "state": "Indiana"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01618357"
    },
    {
      "nct_id": "NCT06496659",
      "title": "Segmentectomy After Induction Therapy (SAINT)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Segmentectomy"
      ],
      "interventions": [
        {
          "name": "Segmentectomy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "18 Years to 89 Years"
      },
      "enrollment_count": 25,
      "start_date": "2024-08-02",
      "completion_date": "2029-07-30",
      "has_results": false,
      "last_update_posted_date": "2026-05-26",
      "last_synced_at": "2026-09-25T21:20:02.393Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06496659"
    },
    {
      "nct_id": "NCT00233974",
      "title": "Molecular Marker Profiling of Axillary Lymph Nodes in Predicting Response in Patients With Locally Advanced or Metastatic Breast Cancer Who Are Undergoing Chemotherapy Followed By Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "PET (positron emission tomography)",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "UNC Lineberger Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 15,
      "start_date": "2002-05",
      "completion_date": "2006-03",
      "has_results": false,
      "last_update_posted_date": "2012-03-07",
      "last_synced_at": "2026-09-25T21:20:02.393Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00233974"
    },
    {
      "nct_id": "NCT05412225",
      "title": "A Study of an Alternative Treatment Approach (Preoperative Radiotherapy, Then Mastectomy, Then Immediate Reconstruction Surgery) in People With T4 Breast Cancer",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Breast Cancer",
        "Invasive Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Pre-neoadjuvant radiotherapy (NART) biopsy",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Neoadjuvant radiotherapy",
          "type": "RADIATION"
        },
        {
          "name": "Unilateral total mastectomy with axillary lymph node dissection",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "RADIATION",
        "PROCEDURE"
      ],
      "sponsor": "Memorial Sloan Kettering 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": 60,
      "start_date": "2022-06-06",
      "completion_date": "2027-06-06",
      "has_results": false,
      "last_update_posted_date": "2026-09-24",
      "last_synced_at": "2026-09-25T21:20:02.393Z",
      "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/NCT05412225"
    },
    {
      "nct_id": "NCT00881361",
      "title": "Surgery to Remove the Sentinel Lymph Node and Axillary Lymph Nodes After Chemotherapy in Treating Women With Stage II, Stage IIIA, or Stage IIIB Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "systemic chemotherapy",
          "type": "DRUG"
        },
        {
          "name": "axillary lymph node dissection",
          "type": "PROCEDURE"
        },
        {
          "name": "neoadjuvant therapy",
          "type": "PROCEDURE"
        },
        {
          "name": "sentinel lymph node biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "therapeutic conventional surgery",
          "type": "PROCEDURE"
        },
        {
          "name": "ultrasound imaging",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Alliance for Clinical Trials in Oncology",
      "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": 756,
      "start_date": "2009-07",
      "completion_date": "2023-04-15",
      "has_results": true,
      "last_update_posted_date": "2023-04-27",
      "last_synced_at": "2026-09-25T21:20:02.393Z",
      "location_count": 324,
      "location_summary": "Mobile, Alabama • Anchorage, Alaska • Little Rock, Arkansas + 232 more",
      "locations": [
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Castro Valley",
          "state": "California"
        },
        {
          "city": "Castro Valley",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00881361"
    },
    {
      "nct_id": "NCT00574301",
      "title": "Percutaneous Removal and Margin Ablation for Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Percutaneous Removal and Margin Ablation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Arkansas",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 90 Years · Female only"
      },
      "enrollment_count": 32,
      "start_date": "2002-03",
      "completion_date": "2011-10",
      "has_results": false,
      "last_update_posted_date": "2013-07-25",
      "last_synced_at": "2026-09-25T21:20:02.393Z",
      "location_count": 1,
      "location_summary": "Little Rock, Arkansas",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00574301"
    },
    {
      "nct_id": "NCT03747042",
      "title": "Letrozole in Post-Menopausal Patients With Operable Hormone-Sensitive Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer Female"
      ],
      "interventions": [
        {
          "name": "Letrozole",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "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": 61,
      "start_date": "2018-11-27",
      "completion_date": "2025-02-24",
      "has_results": true,
      "last_update_posted_date": "2026-03-16",
      "last_synced_at": "2026-09-25T21:20:02.393Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03747042"
    }
  ]
}