{
  "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=19",
    "query": {
      "condition": "Human Epidermal Growth Factor Receptor 2 Negative (HER2-Negative) Breast Cancer",
      "page": 19
    },
    "page_size": 10
  },
  "pagination": {
    "page": 19,
    "page_size": 10,
    "total_count": 681,
    "total_pages": 69,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Human+Epidermal+Growth+Factor+Receptor+2+Negative+%28HER2-Negative%29+Breast+Cancer&page=20&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=18&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-15T13:50:38.827Z",
  "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": "NCT03044730",
      "title": "Pembrolizumab and Capecitabine in Treating Patients With Locally Advanced or Metastatic Triple Negative or Hormone-Refractory Breast Cancer That Cannot Be Removed by Surgery",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Estrogen Receptor Negative",
        "HER2/Neu Negative",
        "Progesterone Receptor Negative",
        "Recurrent Breast Carcinoma",
        "Stage III Breast Cancer",
        "Stage IIIA Breast Cancer",
        "Stage IIIB Breast Cancer",
        "Stage IIIC Breast Cancer",
        "Stage IV Breast Cancer",
        "Triple-Negative Breast Carcinoma"
      ],
      "interventions": [
        {
          "name": "Capecitabine",
          "type": "DRUG"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Pembrolizumab",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER",
        "BIOLOGICAL"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2017-05-25",
      "completion_date": "2021-05",
      "has_results": true,
      "last_update_posted_date": "2020-07-13",
      "last_synced_at": "2026-10-15T13:50:38.827Z",
      "location_count": 2,
      "location_summary": "Chicago, Illinois • Lake Forest, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Lake Forest",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03044730"
    },
    {
      "nct_id": "NCT07060807",
      "title": "A Clinical Study of Patritumab Deruxtecan to Treat Breast Cancer (MK-1022-016)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Breast Neoplasms"
      ],
      "interventions": [
        {
          "name": "Patritumab deruxtecan",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Paclitaxel",
          "type": "DRUG"
        },
        {
          "name": "Nab-paclitaxel",
          "type": "DRUG"
        },
        {
          "name": "Capecitabine",
          "type": "DRUG"
        },
        {
          "name": "Pegylated liposomal doxorubicin",
          "type": "DRUG"
        },
        {
          "name": "Trastuzumab deruxtecan",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Rescue Medication",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "Merck Sharp & Dohme LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1000,
      "start_date": "2025-07-21",
      "completion_date": "2033-07-14",
      "has_results": false,
      "last_update_posted_date": "2026-10-08",
      "last_synced_at": "2026-10-15T13:50:38.827Z",
      "location_count": 34,
      "location_summary": "Daphne, Alabama • Tucson, Arizona • Los Angeles, California + 27 more",
      "locations": [
        {
          "city": "Daphne",
          "state": "Alabama"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Newport Beach",
          "state": "California"
        },
        {
          "city": "Grand Junction",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07060807"
    },
    {
      "nct_id": "NCT03786107",
      "title": "HER-Seq: A Blood-based Screening Study to Identify Patients With HER2 Mutations for Enrollment Into Clinical Research Studies of Neratinib",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hormone Receptor-Positive, HER2-Negative Metastatic Breast Cancer",
        "Metastatic Cervical Cancer"
      ],
      "interventions": [
        {
          "name": "Almac HER-Seq Assay",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Puma Biotechnology, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1583,
      "start_date": "2019-03-14",
      "completion_date": "2021-01-21",
      "has_results": false,
      "last_update_posted_date": "2021-05-19",
      "last_synced_at": "2026-10-15T13:50:38.827Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03786107"
    },
    {
      "nct_id": "NCT05909397",
      "title": "Vepdegestrant (ARV-471/PF-07850327) + Palbociclib vs Letrozole + Palbociclib in ER(+)/HER2(-) Advanced Breast Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Vepdegestrant (ARV-471/PF-07850327)",
          "type": "DRUG"
        },
        {
          "name": "Palbociclib",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Letrozole",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "COMBINATION_PRODUCT"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 59,
      "start_date": "2023-08-09",
      "completion_date": "2026-12-30",
      "has_results": false,
      "last_update_posted_date": "2026-02-10",
      "last_synced_at": "2026-10-15T13:50:38.827Z",
      "location_count": 3,
      "location_summary": "Plantation, Florida • Norfolk, Virginia",
      "locations": [
        {
          "city": "Plantation",
          "state": "Florida"
        },
        {
          "city": "Plantation",
          "state": "Florida"
        },
        {
          "city": "Norfolk",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05909397"
    },
    {
      "nct_id": "NCT05770531",
      "title": "Circulating Tumor DNA to Guide Changes in Standard of Care Chemotherapy",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Metastatic HER2-Negative Breast Carcinoma",
        "Metastatic Triple-Negative Breast Carcinoma"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Sacituzumab Govitecan",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "BIOLOGICAL"
      ],
      "sponsor": "Vanderbilt-Ingram 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": 160,
      "start_date": "2023-10-03",
      "completion_date": "2028-10-01",
      "has_results": false,
      "last_update_posted_date": "2026-06-24",
      "last_synced_at": "2026-10-15T13:50:38.827Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05770531"
    },
    {
      "nct_id": "NCT02107703",
      "title": "A Study of Abemaciclib (LY2835219) Combined With Fulvestrant in Women With Hormone Receptor Positive HER2 Negative Breast Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Breast Neoplasms"
      ],
      "interventions": [
        {
          "name": "Abemaciclib",
          "type": "DRUG"
        },
        {
          "name": "Fulvestrant",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Eli Lilly and Company",
      "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": 669,
      "start_date": "2014-07-22",
      "completion_date": "2027-12",
      "has_results": true,
      "last_update_posted_date": "2026-10-14",
      "last_synced_at": "2026-10-15T13:50:38.827Z",
      "location_count": 43,
      "location_summary": "Jonesboro, Arkansas • Springdale, Arkansas • La Jolla, California + 36 more",
      "locations": [
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        },
        {
          "city": "Springdale",
          "state": "Arkansas"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Riverside",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02107703"
    },
    {
      "nct_id": "NCT03219268",
      "title": "A Study of MGD013 in Patients With Unresectable or Metastatic Neoplasms",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Advanced Solid Tumors",
        "Hematologic Neoplasms",
        "Ovarian Cancer",
        "HER2-positive Advanced Solid Tumors",
        "Non Small Cell Lung Cancer",
        "Small-cell Lung Cancer",
        "Squamous Cell Carcinoma of Head and Neck",
        "Cholangiocarcinoma",
        "Cervical Cancer",
        "TNBC - Triple-Negative Breast Cancer"
      ],
      "interventions": [
        {
          "name": "tebotelimab 1 mg",
          "type": "BIOLOGICAL"
        },
        {
          "name": "tebotelimab 3 mg",
          "type": "BIOLOGICAL"
        },
        {
          "name": "tebotelimab 10 mg",
          "type": "BIOLOGICAL"
        },
        {
          "name": "tebotelimab 30 mg",
          "type": "BIOLOGICAL"
        },
        {
          "name": "tebotelimab 120 mg",
          "type": "BIOLOGICAL"
        },
        {
          "name": "tebotelimab 300 mg",
          "type": "BIOLOGICAL"
        },
        {
          "name": "tebotelimab 400 mg",
          "type": "BIOLOGICAL"
        },
        {
          "name": "tebotelimab 600 mg",
          "type": "BIOLOGICAL"
        },
        {
          "name": "tebotelimab 800 mg",
          "type": "BIOLOGICAL"
        },
        {
          "name": "tebotelimab 1200 mg",
          "type": "BIOLOGICAL"
        },
        {
          "name": "margetuximab",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "MacroGenics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 277,
      "start_date": "2017-08-18",
      "completion_date": "2023-02-08",
      "has_results": false,
      "last_update_posted_date": "2023-12-21",
      "last_synced_at": "2026-10-15T13:50:38.827Z",
      "location_count": 15,
      "location_summary": "Gilbert, Arizona • Los Angeles, California • Newport Beach, California + 11 more",
      "locations": [
        {
          "city": "Gilbert",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Newport Beach",
          "state": "California"
        },
        {
          "city": "Sarasota",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03219268"
    },
    {
      "nct_id": "NCT05654532",
      "title": "Study of AC699 in Patients With Estrogen Receptor Positive/Human Epidermal Growth Factor Receptor 2 Negative (ER+/HER2-) Locally Advanced or Metastatic Breast Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "AC699",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Accutar Biotechnology Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2022-12-29",
      "completion_date": "2026-05-31",
      "has_results": false,
      "last_update_posted_date": "2025-09-30",
      "last_synced_at": "2026-10-15T13:50:38.827Z",
      "location_count": 9,
      "location_summary": "Denver, Colorado • Orlando, Florida • Sarasota, Florida + 6 more",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Sarasota",
          "state": "Florida"
        },
        {
          "city": "Rockville",
          "state": "Maryland"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05654532"
    },
    {
      "nct_id": "NCT02154776",
      "title": "Dose Escalation Study of LEE011 in Combination With Buparlisib and Letrozole in HR+, HER2-negative Post-menopausal Women With Advanced Breast Cancer.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Advanced or Metastatic Breast Cancer"
      ],
      "interventions": [
        {
          "name": "LEE011",
          "type": "DRUG"
        },
        {
          "name": "Buparlisib",
          "type": "DRUG"
        },
        {
          "name": "Letrozole",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis Pharmaceuticals",
      "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": 13,
      "start_date": "2014-06-27",
      "completion_date": "2016-10-26",
      "has_results": false,
      "last_update_posted_date": "2020-12-19",
      "last_synced_at": "2026-10-15T13:50:38.827Z",
      "location_count": 5,
      "location_summary": "Los Angeles, California • Lafayette, Indiana • Charleston, South Carolina + 2 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Lafayette",
          "state": "Indiana"
        },
        {
          "city": "Charleston",
          "state": "South Carolina"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        },
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02154776"
    },
    {
      "nct_id": "NCT02187991",
      "title": "Study to Compare Alisertib With Paclitaxel vs. Paclitaxel Alone in Metastatic or Locally Recurrent Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer",
        "Breast Carcinoma",
        "Breast Tumors",
        "Malignant Neoplasm of Breast"
      ],
      "interventions": [
        {
          "name": "Paclitaxel",
          "type": "DRUG"
        },
        {
          "name": "Alisertib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "US Oncology Research",
      "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": 169,
      "start_date": "2015-02-12",
      "completion_date": "2024-08-01",
      "has_results": true,
      "last_update_posted_date": "2024-10-09",
      "last_synced_at": "2026-10-15T13:50:38.827Z",
      "location_count": 1,
      "location_summary": "Including Dallas and Austin, Texas",
      "locations": [
        {
          "city": "Including Dallas and Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02187991"
    }
  ]
}