{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Hormone+Receptor%2B%2FHuman+Epidermal+Growth+Factor+Receptor+2+Negative+Breast+Cancer&page=5",
    "query": {
      "condition": "Hormone Receptor+/Human Epidermal Growth Factor Receptor 2 Negative Breast Cancer",
      "page": 5
    },
    "page_size": 10
  },
  "pagination": {
    "page": 5,
    "page_size": 10,
    "total_count": 241,
    "total_pages": 25,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Hormone+Receptor%2B%2FHuman+Epidermal+Growth+Factor+Receptor+2+Negative+Breast+Cancer&page=6&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Hormone+Receptor%2B%2FHuman+Epidermal+Growth+Factor+Receptor+2+Negative+Breast+Cancer&page=4&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-14T22:42:43.538Z",
  "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": "NCT06351332",
      "title": "ZAP-IT: ZN-c3 + Carboplatin + Pembrolizumab in mTNBC",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Breast Cancer",
        "Breast Cancer Female",
        "Triple Negative Breast Cancer",
        "Hormone Receptor Negative Malignant Tumor Breast Triple",
        "HER2-negative Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Azenosertib",
          "type": "DRUG"
        },
        {
          "name": "Carboplatin",
          "type": "DRUG"
        },
        {
          "name": "Pembrolizumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Filipa Lynce, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 7,
      "start_date": "2024-05-01",
      "completion_date": "2026-02-24",
      "has_results": false,
      "last_update_posted_date": "2026-06-04",
      "last_synced_at": "2026-10-14T22:42:43.538Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06351332"
    },
    {
      "nct_id": "NCT02792725",
      "title": "Expanded Access Program to Provide Abemaciclib (LY2835219) for the Treatment of Metastatic Breast Cancer",
      "overall_status": "APPROVED_FOR_MARKETING",
      "study_type": "EXPANDED_ACCESS",
      "phases": [],
      "conditions": [
        "Metastatic Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Abemaciclib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Eli Lilly and Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": null,
      "start_date": null,
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2017-10-31",
      "last_synced_at": "2026-10-14T22:42:43.538Z",
      "location_count": 10,
      "location_summary": "Monterey, California • Santa Monica, California • Orlando, Florida + 7 more",
      "locations": [
        {
          "city": "Monterey",
          "state": "California"
        },
        {
          "city": "Santa Monica",
          "state": "California"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02792725"
    },
    {
      "nct_id": "NCT02513394",
      "title": "PALbociclib CoLlaborative Adjuvant Study",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Palbociclib",
          "type": "DRUG"
        },
        {
          "name": "Standard Adjuvant Endocrine Therapy",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Alliance Foundation Trials, LLC.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 5796,
      "start_date": "2015-08",
      "completion_date": "2028-12",
      "has_results": true,
      "last_update_posted_date": "2026-06-15",
      "last_synced_at": "2026-10-14T22:42:43.538Z",
      "location_count": 192,
      "location_summary": "Mobile, Alabama • Anchorage, Alaska • Phoenix, Arizona + 138 more",
      "locations": [
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02513394"
    },
    {
      "nct_id": "NCT01698918",
      "title": "Open-label, Phase II, Study of Everolimus Plus Letrozole in Postmenopausal Women With ER+, HER2- Metastatic or Locally Advanced Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hormone Receptor Positive Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Everolimus",
          "type": "DRUG"
        },
        {
          "name": "Letrozole",
          "type": "DRUG"
        },
        {
          "name": "Exemestane",
          "type": "DRUG"
        },
        {
          "name": "Alcohol-free dexamethasone mouth rinse (Stomatitis sub-study)",
          "type": "DRUG"
        },
        {
          "name": "Standard of care to treat stomatitis (Stomatitis sub-study)",
          "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": 202,
      "start_date": "2013-03-07",
      "completion_date": "2021-01-13",
      "has_results": true,
      "last_update_posted_date": "2023-05-03",
      "last_synced_at": "2026-10-14T22:42:43.538Z",
      "location_count": 15,
      "location_summary": "Birmingham, Alabama • Gilbert, Arizona • Loma Linda, California + 12 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Gilbert",
          "state": "Arizona"
        },
        {
          "city": "Loma Linda",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Park Ridge",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01698918"
    },
    {
      "nct_id": "NCT06517212",
      "title": "Tirzepatide Weight Loss for MRD+ Early Breast Cancer",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer",
        "Breast Neoplasms",
        "Breast Cancers"
      ],
      "interventions": [
        {
          "name": "Tirzepatide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Baylor 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": 48,
      "start_date": "2024-11-26",
      "completion_date": "2030-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-02-12",
      "last_synced_at": "2026-10-14T22:42:43.538Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06517212"
    },
    {
      "nct_id": "NCT00721409",
      "title": "Study Of Letrozole With Or Without Palbociclib (PD-0332991) For The First-Line Treatment Of Hormone-Receptor Positive Advanced Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "PD 0332991",
          "type": "DRUG"
        },
        {
          "name": "letrozole",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "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": 177,
      "start_date": "2008-09-15",
      "completion_date": "2017-12-20",
      "has_results": true,
      "last_update_posted_date": "2019-11-04",
      "last_synced_at": "2026-10-14T22:42:43.538Z",
      "location_count": 51,
      "location_summary": "Alhambra, California • Bakersfield, California • Fullerton, California + 24 more",
      "locations": [
        {
          "city": "Alhambra",
          "state": "California"
        },
        {
          "city": "Alhambra",
          "state": "California"
        },
        {
          "city": "Bakersfield",
          "state": "California"
        },
        {
          "city": "Fullerton",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00721409"
    },
    {
      "nct_id": "NCT06264921",
      "title": "A Study With NKT3447 for Adults With Advanced/Metastatic Solid Tumors",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Solid Tumor",
        "Solid Tumor, Adult",
        "Advanced Solid Tumor",
        "Metastatic Tumor",
        "Ovarian Cancer",
        "Ovarian Neoplasms",
        "Ovarian Carcinoma",
        "Metastatic Ovarian Carcinoma",
        "Endometrial Cancer",
        "Endometrial Neoplasms",
        "Endometrial Diseases",
        "Metastatic Endometrial Cancer",
        "Metastatic Endometrial Carcinoma",
        "Advanced Endometrial Carcinoma",
        "Advanced Ovarian Carcinoma",
        "Gastric Cancer",
        "Advanced Gastric Carcinoma",
        "Metastatic Gastric Cancer",
        "Metastatic Gastric Carcinoma",
        "Small-cell Lung Cancer",
        "Small Cell Lung Carcinoma",
        "Triple Negative Breast Cancer",
        "Triple Negative Breast Neoplasms",
        "Platinum-resistant Ovarian Cancer",
        "Platinum-refractory Ovarian Carcinoma",
        "CCNE1 Amplification",
        "Hormone Receptor Negative Breast Carcinoma",
        "Human Epidermal Growth Factor 2 Negative Carcinoma of Breast",
        "Progesterone-receptor-positive Breast Cancer"
      ],
      "interventions": [
        {
          "name": "NKT3447",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "NiKang Therapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 23,
      "start_date": "2024-02-23",
      "completion_date": "2025-04-16",
      "has_results": false,
      "last_update_posted_date": "2025-09-25",
      "last_synced_at": "2026-10-14T22:42:43.538Z",
      "location_count": 8,
      "location_summary": "San Francisco, California • Denver, Colorado • Celebration, Florida + 5 more",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Celebration",
          "state": "Florida"
        },
        {
          "city": "Augusta",
          "state": "Georgia"
        },
        {
          "city": "Louisville",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06264921"
    },
    {
      "nct_id": "NCT05464810",
      "title": "Letrozole With and Without Simvastatin for the Treatment of Stage I-III Hormone Receptor Positive, HER2 Negative Breast Cancer",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Anatomic Stage I Breast Cancer AJCC v8",
        "Anatomic Stage II Breast Cancer AJCC v8",
        "Anatomic Stage III Breast Cancer AJCC v8",
        "HER2-Negative Breast Carcinoma",
        "Hormone Receptor-Positive Breast Carcinoma",
        "Invasive Breast Carcinoma"
      ],
      "interventions": [
        {
          "name": "Letrozole",
          "type": "DRUG"
        },
        {
          "name": "Simvastatin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Emory 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": "2022-09-02",
      "completion_date": "2028-04-15",
      "has_results": false,
      "last_update_posted_date": "2026-07-17",
      "last_synced_at": "2026-10-14T22:42:43.538Z",
      "location_count": 4,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05464810"
    },
    {
      "nct_id": "NCT01923168",
      "title": "Study of Letrozole With or Without BYL719 or Buparlisib, for the Neoadjuvant Treatment of Postmenopausal Women",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "alpelisib",
          "type": "DRUG"
        },
        {
          "name": "buparlisib",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "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": 340,
      "start_date": "2014-03-11",
      "completion_date": "2017-07-08",
      "has_results": true,
      "last_update_posted_date": "2018-09-14",
      "last_synced_at": "2026-10-14T22:42:43.538Z",
      "location_count": 23,
      "location_summary": "Birmingham, Alabama • Fayetteville, Arkansas • Los Angeles, California + 16 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Fayetteville",
          "state": "Arkansas"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01923168"
    },
    {
      "nct_id": "NCT06465368",
      "title": "A Study to Learn About the Study Medicine PF-07220060 Together With Letrozole Compared to Letrozole Alone in Women Post Menopause",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "PF-07220060",
          "type": "DRUG"
        },
        {
          "name": "letrozole",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "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": 121,
      "start_date": "2024-07-11",
      "completion_date": "2025-07-10",
      "has_results": true,
      "last_update_posted_date": "2026-07-15",
      "last_synced_at": "2026-10-14T22:42:43.538Z",
      "location_count": 10,
      "location_summary": "Barrington, Illinois • Crystal Lake, Illinois • Park Ridge, Illinois + 2 more",
      "locations": [
        {
          "city": "Barrington",
          "state": "Illinois"
        },
        {
          "city": "Crystal Lake",
          "state": "Illinois"
        },
        {
          "city": "Park Ridge",
          "state": "Illinois"
        },
        {
          "city": "Park Ridge",
          "state": "Illinois"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06465368"
    }
  ]
}