{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Human+Epidermal+Growth+Factor+Receptor+2+Negative+%28HER2-Negative%29+Breast+Cancer&page=4",
    "query": {
      "condition": "Human Epidermal Growth Factor Receptor 2 Negative (HER2-Negative) Breast Cancer",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 680,
    "total_pages": 68,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Human+Epidermal+Growth+Factor+Receptor+2+Negative+%28HER2-Negative%29+Breast+Cancer&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Human+Epidermal+Growth+Factor+Receptor+2+Negative+%28HER2-Negative%29+Breast+Cancer&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-14T21:17:27.756Z",
  "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": "NCT02625935",
      "title": "Prospective Observational Study Evaluating Treatment Decision Impact of Prosigna® in Early Stage Breast Cancer Patients",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "NanoString Technologies, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "Female only"
      },
      "enrollment_count": 206,
      "start_date": "2015-12",
      "completion_date": "2017-10-10",
      "has_results": false,
      "last_update_posted_date": "2017-10-13",
      "last_synced_at": "2026-10-14T21:17:27.756Z",
      "location_count": 4,
      "location_summary": "Fort Myers, Florida • Scarborough, Maine • Bethesda, Maryland + 1 more",
      "locations": [
        {
          "city": "Fort Myers",
          "state": "Florida"
        },
        {
          "city": "Scarborough",
          "state": "Maine"
        },
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "East Setauket",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02625935"
    },
    {
      "nct_id": "NCT03822468",
      "title": "Study of 2 Ribociclib Doses in Combination With Aromatase Inhibitors in Women With HR+, HER2- Advanced Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Ribociclib",
          "type": "DRUG"
        },
        {
          "name": "Anastrozole",
          "type": "DRUG"
        },
        {
          "name": "Letrozole",
          "type": "DRUG"
        },
        {
          "name": "Goserelin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 100 Years · Female only"
      },
      "enrollment_count": 376,
      "start_date": "2019-06-11",
      "completion_date": "2024-08-30",
      "has_results": true,
      "last_update_posted_date": "2025-10-16",
      "last_synced_at": "2026-10-14T21:17:27.756Z",
      "location_count": 14,
      "location_summary": "Mobile, Alabama • Greenbrae, California • Longmont, Colorado + 11 more",
      "locations": [
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Greenbrae",
          "state": "California"
        },
        {
          "city": "Longmont",
          "state": "Colorado"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03822468"
    },
    {
      "nct_id": "NCT01307891",
      "title": "Abraxane With or Without Tigatuzumab in Patients With Metastatic, Triple Negative Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer",
        "Triple Negative Breast Cancer",
        "Stage IV Breast Cancer",
        "Metastatic Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Abraxane alone",
          "type": "DRUG"
        },
        {
          "name": "Abraxane + Tigatuzumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 64,
      "start_date": "2011-03",
      "completion_date": "2017-06",
      "has_results": true,
      "last_update_posted_date": "2017-10-26",
      "last_synced_at": "2026-10-14T21:17:27.756Z",
      "location_count": 10,
      "location_summary": "Birmingham, Alabama • Washington D.C., District of Columbia • Chicago, Illinois + 7 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01307891"
    },
    {
      "nct_id": "NCT04038489",
      "title": "COX Inhibition and Biomarkers During Neoadjuvant Chemoendocrine Therapy for ER+, HER2- Stage I-III Breast Cancer",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer",
        "Estrogen Receptor-positive Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Aspirin",
          "type": "DRUG"
        },
        {
          "name": "Tamoxifen Pill",
          "type": "DRUG"
        },
        {
          "name": "Doxorubicin",
          "type": "DRUG"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Paclitaxel",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Virginia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2019-10-18",
      "completion_date": "2023-04-30",
      "has_results": false,
      "last_update_posted_date": "2021-11-22",
      "last_synced_at": "2026-10-14T21:17:27.756Z",
      "location_count": 1,
      "location_summary": "Charlottesville, Virginia",
      "locations": [
        {
          "city": "Charlottesville",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04038489"
    },
    {
      "nct_id": "NCT01288261",
      "title": "Paclitaxel and Bavituximab in Treating Patients With HER2-Negative Metastatic Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Human Epidermal Growth Factor 2 Negative Carcinoma of Breast",
        "Male Breast Cancer",
        "Recurrent Breast Cancer",
        "Stage IIIC Breast Cancer",
        "Stage IV Breast Cancer"
      ],
      "interventions": [
        {
          "name": "paclitaxel",
          "type": "DRUG"
        },
        {
          "name": "bavituximab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        },
        {
          "name": "pharmacological study",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "University of Arizona",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 14,
      "start_date": "2011-01",
      "completion_date": "2015-07",
      "has_results": false,
      "last_update_posted_date": "2016-04-21",
      "last_synced_at": "2026-10-14T21:17:27.756Z",
      "location_count": 1,
      "location_summary": "Tucson, Arizona",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01288261"
    },
    {
      "nct_id": "NCT06686602",
      "title": "A Study Assessing Risk Factors for Oral Mucositis/Stomatitis and Ocular Surface Events in NSCLC and Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Advanced/Metastatic NSCLC",
        "Advanced/Metastatic HER2-negative Breast Cancer"
      ],
      "interventions": [
        {
          "name": "No drug",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Daiichi Sankyo",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 13759,
      "start_date": "2024-07-09",
      "completion_date": "2025-03-18",
      "has_results": false,
      "last_update_posted_date": "2025-03-19",
      "last_synced_at": "2026-10-14T21:17:27.756Z",
      "location_count": 1,
      "location_summary": "Cambridge, Massachusetts",
      "locations": [
        {
          "city": "Cambridge",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06686602"
    },
    {
      "nct_id": "NCT04923542",
      "title": "SRS & Abemaciclib w/wo Imlunestrant in the Management of HR+/HER2- Breast CA Brain Metastases",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Brain Metastases",
        "HR+ Metastatic Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Stereotactic Radiosurgery (SRS)",
          "type": "RADIATION"
        },
        {
          "name": "Abemaciclib",
          "type": "DRUG"
        },
        {
          "name": "Endocrine therapy",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "DRUG"
      ],
      "sponsor": "H. Lee Moffitt Cancer Center and Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 31,
      "start_date": "2021-11-30",
      "completion_date": "2027-12",
      "has_results": false,
      "last_update_posted_date": "2026-09-28",
      "last_synced_at": "2026-10-14T21:17:27.756Z",
      "location_count": 2,
      "location_summary": "Tampa, Florida • Columbus, Ohio",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04923542"
    },
    {
      "nct_id": "NCT04872166",
      "title": "A Study of BTX-A51 in People With Advanced Solid Tumor and Breast Cancer",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Advanced Solid Tumor",
        "Metastatic Breast Cancer"
      ],
      "interventions": [
        {
          "name": "BTX-A51",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Edgewood Oncology Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 112,
      "start_date": "2021-06-07",
      "completion_date": "2027-05",
      "has_results": false,
      "last_update_posted_date": "2025-01-30",
      "last_synced_at": "2026-10-14T21:17:27.756Z",
      "location_count": 6,
      "location_summary": "Lake Mary, Florida • Sarasota, Florida • Cincinnati, Ohio + 2 more",
      "locations": [
        {
          "city": "Lake Mary",
          "state": "Florida"
        },
        {
          "city": "Sarasota",
          "state": "Florida"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04872166"
    },
    {
      "nct_id": "NCT02942355",
      "title": "Trial of Anastrozole and Palbociclib in Metastatic HER2-Negative Breast Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Female Breast Carcinoma",
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "anastrozole",
          "type": "DRUG"
        },
        {
          "name": "Palbociclib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "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": "2016-12-07",
      "completion_date": "2028-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-07-24",
      "last_synced_at": "2026-10-14T21:17:27.756Z",
      "location_count": 1,
      "location_summary": "Charlotte, North Carolina",
      "locations": [
        {
          "city": "Charlotte",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02942355"
    },
    {
      "nct_id": "NCT03752398",
      "title": "A Study of XmAb®23104 in Subjects With Selected Advanced Solid Tumors (DUET-3)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Melanoma (Excluding Uveal Melanoma)",
        "Cervical Carcinoma",
        "Pancreatic Carcinoma",
        "Breast Carcinoma That is Estrogen Receptor, Progesterone Receptor, and Her2 Negative",
        "Hepatocellular Carcinoma",
        "Urothelial Carcinoma",
        "Squamous Cell Carcinoma of the Head and Neck",
        "Nasopharyngeal Carcinoma",
        "Renal Cell Carcinoma",
        "Colorectal Carcinoma",
        "Endometrial Carcinoma",
        "Non-small Cell Lung Carcinoma",
        "Small Cell Lung Cancer",
        "Gastric or Gastroesophageal Junction Adenocarcinoma",
        "Advanced Solid Tumors",
        "Undifferentiated Pleomorphic Sarcoma"
      ],
      "interventions": [
        {
          "name": "XmAb®23104",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Yervoy® (ipilimumab)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Xencor, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 198,
      "start_date": "2019-05-01",
      "completion_date": "2024-02-15",
      "has_results": false,
      "last_update_posted_date": "2024-07-05",
      "last_synced_at": "2026-10-14T21:17:27.756Z",
      "location_count": 18,
      "location_summary": "San Diego, California • Aurora, Colorado • Denver, Colorado + 15 more",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Sarasota",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03752398"
    }
  ]
}