{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Breast+surgery&page=2",
    "query": {
      "intervention": "Breast surgery",
      "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=Breast+surgery&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-26T01:09:57.724Z",
  "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": "NCT00645138",
      "title": "Comparison of Paravertebral Block With General Anesthesia in Patients Undergoing Breast Cancer Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Paravertebral Block",
          "type": "PROCEDURE"
        },
        {
          "name": "General Anesthesia",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Weill Medical College of Cornell University",
      "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": 40,
      "start_date": "2008-04",
      "completion_date": "2010-03",
      "has_results": false,
      "last_update_posted_date": "2011-08-05",
      "last_synced_at": "2026-09-26T01:09:57.724Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00645138"
    },
    {
      "nct_id": "NCT02276443",
      "title": "Molecular Testing and Imaging in Improving Response in Patients With Stage I-III Triple-Negative Breast Cancer Receiving Chemotherapy MDACC Breast Moonshot Initiative",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "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",
        "Stage III Breast Cancer AJCC v7",
        "Stage IIIA Breast Cancer AJCC v7",
        "Stage IIIB Breast Cancer AJCC v7",
        "Stage IIIC Breast Cancer AJCC v7",
        "Triple-Negative Breast Carcinoma"
      ],
      "interventions": [
        {
          "name": "Chemotherapy",
          "type": "DRUG"
        },
        {
          "name": "Immunotherapy",
          "type": "OTHER"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Lymph Node Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Ultrasonography",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "M.D. Anderson 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": 798,
      "start_date": "2015-11-09",
      "completion_date": "2026-11-30",
      "has_results": false,
      "last_update_posted_date": "2026-07-15",
      "last_synced_at": "2026-09-26T01:09:57.724Z",
      "location_count": 5,
      "location_summary": "Conroe, Texas • Houston, Texas • League City, Texas + 1 more",
      "locations": [
        {
          "city": "Conroe",
          "state": "Texas"
        },
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "League City",
          "state": "Texas"
        },
        {
          "city": "Sugar Land",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02276443"
    },
    {
      "nct_id": "NCT02525718",
      "title": "Selective Intraoperative Administration of Local Anesthesia in Breast Reconstruction",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Saline",
          "type": "DRUG"
        },
        {
          "name": "0.25 % bupivacaine (2.5 mg/ml) w/ 1:100,000 epinephrine & 4 mg dexamethasone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "79 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 79 Years · Female only"
      },
      "enrollment_count": 47,
      "start_date": "2015-08",
      "completion_date": "2017-03",
      "has_results": true,
      "last_update_posted_date": "2019-08-14",
      "last_synced_at": "2026-09-26T01:09:57.724Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02525718"
    },
    {
      "nct_id": "NCT05837455",
      "title": "NeoTAILOR: ABiomarker-directed Approach to Guide Neoadjuvant Therapy for Patients With Stage II/III ER-positive, HER2-negative Breast Cancer",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer",
        "Cancer of the Breast"
      ],
      "interventions": [
        {
          "name": "VENTANA MIB-1 Ki67 assay",
          "type": "DEVICE"
        },
        {
          "name": "Oncotype DX® Recurrence Score",
          "type": "DEVICE"
        },
        {
          "name": "PAM50-based Prosigna breast cancer gene signature assay",
          "type": "DEVICE"
        },
        {
          "name": "Anastrozole",
          "type": "DRUG"
        },
        {
          "name": "Combination anthracycline and/or taxane based treatment",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DRUG"
      ],
      "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": 81,
      "start_date": "2024-05-30",
      "completion_date": "2027-11-30",
      "has_results": false,
      "last_update_posted_date": "2026-04-13",
      "last_synced_at": "2026-09-26T01:09:57.724Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05837455"
    },
    {
      "nct_id": "NCT00066690",
      "title": "Suppression of Ovarian Function With Either Tamoxifen or Exemestane Compared With Tamoxifen Alone in Treating Premenopausal Women With Hormone-Responsive Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Estrogen Receptor Positive Breast Cancer",
        "Progesterone Receptor Positive Tumor",
        "Recurrent Breast Carcinoma",
        "Stage IA Breast Cancer",
        "Stage IB Breast Cancer",
        "Stage IIA Breast Cancer",
        "Stage IIB Breast Cancer",
        "Stage IIIA Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Exemestane",
          "type": "DRUG"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Oophorectomy",
          "type": "PROCEDURE"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Tamoxifen",
          "type": "DRUG"
        },
        {
          "name": "Triptorelin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER",
        "PROCEDURE",
        "RADIATION"
      ],
      "sponsor": "ETOP IBCSG Partners Foundation",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 65 Years · Female only"
      },
      "enrollment_count": 3066,
      "start_date": "2003-12-17",
      "completion_date": "2024-11-06",
      "has_results": true,
      "last_update_posted_date": "2026-08-26",
      "last_synced_at": "2026-09-26T01:09:57.724Z",
      "location_count": 480,
      "location_summary": "Birmingham, Alabama • Anchorage, Alaska • Scottsdale, Arizona + 323 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Berkeley",
          "state": "California"
        },
        {
          "city": "Burlingame",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00066690"
    },
    {
      "nct_id": "NCT03726879",
      "title": "A Study To Evaluate the Efficacy and Safety Of Atezolizumab or Placebo in Combination With Neoadjuvant Doxorubicin + Cyclophosphamide Followed By Paclitaxel + Trastuzumab + Pertuzumab In Early Her2-Positive Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Atezolizumab",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Doxorubicin",
          "type": "DRUG"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Paclitaxel",
          "type": "DRUG"
        },
        {
          "name": "Trastuzumab",
          "type": "DRUG"
        },
        {
          "name": "Pertuzumab",
          "type": "DRUG"
        },
        {
          "name": "Trastuzumab Emtansine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Hoffmann-La Roche",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 454,
      "start_date": "2019-01-11",
      "completion_date": "2023-08-24",
      "has_results": true,
      "last_update_posted_date": "2024-11-05",
      "last_synced_at": "2026-09-26T01:09:57.724Z",
      "location_count": 3,
      "location_summary": "Kansas City, Missouri • New York, New York • Nashville, Tennessee",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Missouri"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03726879"
    },
    {
      "nct_id": "NCT00408408",
      "title": "Chemotherapy With or Without Bevacizumab in Treating Women With Stage I, Stage II, or Stage IIIA Breast Cancer That Can Be Removed By Surgery",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "bevacizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "capecitabine",
          "type": "DRUG"
        },
        {
          "name": "cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "docetaxel",
          "type": "DRUG"
        },
        {
          "name": "doxorubicin hydrochloride (Adriamycin)",
          "type": "DRUG"
        },
        {
          "name": "gemcitabine hydrochloride",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "NSABP Foundation Inc",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "120 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 120 Years · Female only"
      },
      "enrollment_count": 1206,
      "start_date": "2006-11",
      "completion_date": "2018-03",
      "has_results": true,
      "last_update_posted_date": "2017-09-18",
      "last_synced_at": "2026-09-26T01:09:57.724Z",
      "location_count": 432,
      "location_summary": "Little Rock, Arkansas • Castro Valley, California • Fremont, California + 287 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Castro Valley",
          "state": "California"
        },
        {
          "city": "Castro Valley",
          "state": "California"
        },
        {
          "city": "Castro Valley",
          "state": "California"
        },
        {
          "city": "Fremont",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00408408"
    },
    {
      "nct_id": "NCT07483307",
      "title": "A Study of the Impact of Endocrine Therapy on Surgical Outcomes in People With Lobular Breast Cancer",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer",
        "HER2-negative Breast Cancer",
        "HER2 Negative Breast Carcinoma",
        "ER+ Breast Cancer",
        "Lobular Breast Carcinoma"
      ],
      "interventions": [
        {
          "name": "Neoadjuvant endocrine therapy",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Memorial Sloan Kettering 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": 176,
      "start_date": "2026-03-13",
      "completion_date": "2030-03-13",
      "has_results": false,
      "last_update_posted_date": "2026-06-04",
      "last_synced_at": "2026-09-26T01:09:57.724Z",
      "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/NCT07483307"
    },
    {
      "nct_id": "NCT00689871",
      "title": "Safety and Effectiveness of Natrelle(TM) Cohesive Round Silicone-Filled Breast Implants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Augmentation",
        "Breast Reconstruction",
        "Revision of Augmentation or Reconstruction"
      ],
      "interventions": [
        {
          "name": "Natrelle(TM) Silicone-Filled Breast Implants",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Allergan Medical",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 715,
      "start_date": "1999-01",
      "completion_date": "2011-08",
      "has_results": true,
      "last_update_posted_date": "2014-10-13",
      "last_synced_at": "2026-09-26T01:09:57.724Z",
      "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/NCT00689871"
    },
    {
      "nct_id": "NCT04257799",
      "title": "Lumpectomy Specimen Margin Evaluation With Tomography and Structured Light Imaging",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer Female"
      ],
      "interventions": [
        {
          "name": "Structured Light Imaging (SLI) System",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Dartmouth-Hitchcock 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": 100,
      "start_date": "2020-02-06",
      "completion_date": "2022-03-16",
      "has_results": false,
      "last_update_posted_date": "2022-06-22",
      "last_synced_at": "2026-09-26T01:09:57.724Z",
      "location_count": 1,
      "location_summary": "Lebanon, New Hampshire",
      "locations": [
        {
          "city": "Lebanon",
          "state": "New Hampshire"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04257799"
    }
  ]
}