{
  "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=20",
    "query": {
      "condition": "Human Epidermal Growth Factor Receptor 2 Negative (HER2-Negative) Breast Cancer",
      "page": 20
    },
    "page_size": 10
  },
  "pagination": {
    "page": 20,
    "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=21&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=19&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-15T18:58:39.977Z",
  "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": "NCT06764940",
      "title": "A Pivotal Phase II Clinical Trial of Utidelone Injection Plus Capecitabine in HER2-negative Breast Cancer Patients With Brain Metastases",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "HER2-negative Breast Cancer Patients With Brain Metastases"
      ],
      "interventions": [
        {
          "name": "Utidelone",
          "type": "DRUG"
        },
        {
          "name": "Utidelone in combination with capecitabine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Biostar Pharma, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 120,
      "start_date": "2025-07-14",
      "completion_date": "2027-07-15",
      "has_results": false,
      "last_update_posted_date": "2026-08-21",
      "last_synced_at": "2026-10-15T18:58:39.977Z",
      "location_count": 12,
      "location_summary": "Duarte, California • Los Angeles, California • San Diego, California + 9 more",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Augusta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06764940"
    },
    {
      "nct_id": "NCT05261269",
      "title": "A Dose-escalation Study of the Safety and Pharmacology of DAN-222 in Subjects With Metastatic Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "HER2-negative Metastatic Breast Cancer"
      ],
      "interventions": [
        {
          "name": "DAN-222",
          "type": "DRUG"
        },
        {
          "name": "Niraparib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Dantari, 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": 30,
      "start_date": "2022-02-02",
      "completion_date": "2023-10-11",
      "has_results": false,
      "last_update_posted_date": "2023-12-13",
      "last_synced_at": "2026-10-15T18:58:39.977Z",
      "location_count": 9,
      "location_summary": "La Jolla, California • Santa Monica, California • Tampa, Florida + 6 more",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Santa Monica",
          "state": "California"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "Jackson",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05261269"
    },
    {
      "nct_id": "NCT02264678",
      "title": "Ascending Doses of Ceralasertib in Combination With Chemotherapy and/or Novel Anti Cancer Agents",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Adv Solid Malig - H&N SCC, ATM Pro / Def NSCLC, Gastric, Breast and Ovarian Cancer"
      ],
      "interventions": [
        {
          "name": "Administration of ceralasertib",
          "type": "DRUG"
        },
        {
          "name": "Administration of ceralasertib in combination with olaparib",
          "type": "DRUG"
        },
        {
          "name": "Administation of ceralasertib in combination with durvalumab",
          "type": "DRUG"
        },
        {
          "name": "Administration of ceralasertib monotherapy",
          "type": "DRUG"
        },
        {
          "name": "Administration of ceralasertib and olaparib",
          "type": "DRUG"
        },
        {
          "name": "Administration of ceralasertib and durvalumab",
          "type": "DRUG"
        },
        {
          "name": "Administration of ceralasertib in combination with AZD5305",
          "type": "DRUG"
        },
        {
          "name": "Administration of ceralasertib in combination with carboplatin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AstraZeneca",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "130 Years",
        "sex": "ALL",
        "summary": "18 Years to 130 Years"
      },
      "enrollment_count": 358,
      "start_date": "2014-10-31",
      "completion_date": "2026-12-30",
      "has_results": false,
      "last_update_posted_date": "2026-07-24",
      "last_synced_at": "2026-10-15T18:58:39.977Z",
      "location_count": 8,
      "location_summary": "Duarte, California • Irvine, California • Los Angeles, California + 4 more",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Irvine",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Newport Beach",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02264678"
    },
    {
      "nct_id": "NCT02441946",
      "title": "A Neoadjuvant Study of Abemaciclib (LY2835219) in Postmenopausal Women With Hormone Receptor Positive, HER2 Negative Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer",
        "Hormone Receptor Positive Tumor",
        "Early-Stage Breast Carcinoma"
      ],
      "interventions": [
        {
          "name": "Abemaciclib",
          "type": "DRUG"
        },
        {
          "name": "Loperamide",
          "type": "DRUG"
        },
        {
          "name": "Anastrozole",
          "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": 224,
      "start_date": "2015-08",
      "completion_date": "2018-02-12",
      "has_results": true,
      "last_update_posted_date": "2020-06-17",
      "last_synced_at": "2026-10-15T18:58:39.977Z",
      "location_count": 27,
      "location_summary": "Bakersfield, California • La Jolla, California • Los Angeles, California + 23 more",
      "locations": [
        {
          "city": "Bakersfield",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Redondo Beach",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02441946"
    },
    {
      "nct_id": "NCT00723125",
      "title": "Carboplatin, Abraxane, Avastin as Neoadjuvant Therapy for Her2-Negative Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Abraxane",
          "type": "DRUG"
        },
        {
          "name": "Carboplatin",
          "type": "DRUG"
        },
        {
          "name": "Avastin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "William Sikov MD",
      "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": "2008-09",
      "completion_date": "2014-05-15",
      "has_results": true,
      "last_update_posted_date": "2021-04-29",
      "last_synced_at": "2026-10-15T18:58:39.977Z",
      "location_count": 5,
      "location_summary": "Bridgeport, Connecticut • New Haven, Connecticut • Providence, Rhode Island",
      "locations": [
        {
          "city": "Bridgeport",
          "state": "Connecticut"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Providence",
          "state": "Rhode Island"
        },
        {
          "city": "Providence",
          "state": "Rhode Island"
        },
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00723125"
    },
    {
      "nct_id": "NCT05683418",
      "title": "A Study to Evaluate the Safety and Tolerability of TOS-358 in Women With HR+ HER2- Breast Cancer",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "HR+/HER2-negative Breast Cancer"
      ],
      "interventions": [
        {
          "name": "TOS-358",
          "type": "DRUG"
        },
        {
          "name": "Fulvestrant",
          "type": "DRUG"
        },
        {
          "name": "Palbociclib",
          "type": "DRUG"
        },
        {
          "name": "Ribociclib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Totus Medicines",
      "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": 241,
      "start_date": "2023-02-15",
      "completion_date": "2027-12",
      "has_results": false,
      "last_update_posted_date": "2026-04-22",
      "last_synced_at": "2026-10-15T18:58:39.977Z",
      "location_count": 9,
      "location_summary": "Chicago, Illinois • Boston, Massachusetts • Las Vegas, Nevada + 4 more",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Las Vegas",
          "state": "Nevada"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05683418"
    },
    {
      "nct_id": "NCT00194779",
      "title": "Combination Chemotherapy and Filgrastim Before Surgery in Treating Patients With HER2-Positive Breast Cancer That Can Be Removed By Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Estrogen Receptor-negative Breast Cancer",
        "Estrogen Receptor-positive Breast Cancer",
        "HER2-positive Breast Cancer",
        "Progesterone Receptor-negative Breast Cancer",
        "Progesterone Receptor-positive Breast Cancer",
        "Stage IA Breast Cancer",
        "Stage IB Breast Cancer",
        "Stage II Breast Cancer",
        "Stage IIIA Breast Cancer"
      ],
      "interventions": [
        {
          "name": "doxorubicin hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "paclitaxel",
          "type": "DRUG"
        },
        {
          "name": "filgrastim",
          "type": "BIOLOGICAL"
        },
        {
          "name": "capecitabine",
          "type": "DRUG"
        },
        {
          "name": "methotrexate",
          "type": "DRUG"
        },
        {
          "name": "vinorelbine tartrate",
          "type": "DRUG"
        },
        {
          "name": "needle biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "therapeutic conventional surgery",
          "type": "PROCEDURE"
        },
        {
          "name": "immunohistochemistry staining method",
          "type": "OTHER"
        },
        {
          "name": "trastuzumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "tamoxifen citrate",
          "type": "DRUG"
        },
        {
          "name": "letrozole",
          "type": "DRUG"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL",
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "University of Washington",
      "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": 50,
      "start_date": "2003-10",
      "completion_date": "2011-06",
      "has_results": true,
      "last_update_posted_date": "2018-03-12",
      "last_synced_at": "2026-10-15T18:58:39.977Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00194779"
    },
    {
      "nct_id": "NCT01575522",
      "title": "Tivantinib in Treating Patients With Recurrent or Metastatic Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Estrogen Receptor Negative",
        "HER2/Neu Negative",
        "Progesterone Receptor Negative",
        "Recurrent Breast Carcinoma",
        "Stage IV Breast Cancer",
        "Triple-Negative Breast Carcinoma"
      ],
      "interventions": [
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Tivantinib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 22,
      "start_date": "2012-03",
      "completion_date": "2013-07",
      "has_results": true,
      "last_update_posted_date": "2016-03-21",
      "last_synced_at": "2026-10-15T18:58:39.977Z",
      "location_count": 2,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01575522"
    },
    {
      "nct_id": "NCT00679029",
      "title": "Chemotherapy & Bevacizumab for Human Epidermal Growth Factor Receptor 2 (HER2)/Neu-Negative Stage II/III Breast Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "HER2-negative Breast Cancer",
        "Stage II Breast Cancer",
        "Stage IIIA Breast Cancer",
        "Stage IIIB Breast Cancer",
        "Stage IIIC Breast Cancer"
      ],
      "interventions": [
        {
          "name": "doxorubicin hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "bevacizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "paclitaxel",
          "type": "DRUG"
        },
        {
          "name": "gemcitabine hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        },
        {
          "name": "pegfilgrastim",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "University of Nebraska",
      "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": 15,
      "start_date": "2008-05-02",
      "completion_date": "2010-11-18",
      "has_results": true,
      "last_update_posted_date": "2023-12-11",
      "last_synced_at": "2026-10-15T18:58:39.977Z",
      "location_count": 1,
      "location_summary": "Omaha, Nebraska",
      "locations": [
        {
          "city": "Omaha",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00679029"
    },
    {
      "nct_id": "NCT04807595",
      "title": "Estimation of the Prevalence of HER2 Low and Describe the SoC, Treatment Patterns, and Outcome in Real-world Practice Among Unresectable and/or Metastatic Breast Cancer Patients With HER2 Low Status",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "None (Observational study)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "AstraZeneca",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "130 Years",
        "sex": "ALL",
        "summary": "18 Years to 130 Years"
      },
      "enrollment_count": 798,
      "start_date": "2021-05-28",
      "completion_date": "2022-04-26",
      "has_results": false,
      "last_update_posted_date": "2023-03-06",
      "last_synced_at": "2026-10-15T18:58:39.977Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04807595"
    }
  ]
}