{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Breast+Cancer&page=41&q=HER2-positive",
    "query": {
      "q": "HER2-positive",
      "condition": "Breast Cancer",
      "page": 41
    },
    "page_size": 10
  },
  "pagination": {
    "page": 41,
    "page_size": 10,
    "total_count": 1133,
    "total_pages": 114,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Breast+Cancer&page=42&q=HER2-positive&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Breast+Cancer&page=40&q=HER2-positive&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-19T06:22:55.838Z",
  "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": "NCT00657345",
      "title": "IRS Proteins and Trastuzumab Resistance",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Massachusetts, Worcester",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 70 Years · Female only"
      },
      "enrollment_count": 9,
      "start_date": "2008-03",
      "completion_date": "2013-02",
      "has_results": false,
      "last_update_posted_date": "2013-11-05",
      "last_synced_at": "2026-10-19T06:22:55.838Z",
      "location_count": 1,
      "location_summary": "Worcester, Massachusetts",
      "locations": [
        {
          "city": "Worcester",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00657345"
    },
    {
      "nct_id": "NCT04419181",
      "title": "Feasibility of Chemotherapy De-escalation in Early-Stage HER2 Positive Breast Cancer",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "HER2-positive Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Docetaxel",
          "type": "DRUG"
        },
        {
          "name": "Carboplatin",
          "type": "DRUG"
        },
        {
          "name": "Trastuzumab",
          "type": "DRUG"
        },
        {
          "name": "Pertuzumab",
          "type": "DRUG"
        },
        {
          "name": "Trastuzumab emtansine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Rochester",
      "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": 0,
      "start_date": "2025-08-11",
      "completion_date": "2027-06-01",
      "has_results": false,
      "last_update_posted_date": "2025-10-14",
      "last_synced_at": "2026-10-19T06:22:55.838Z",
      "location_count": 1,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04419181"
    },
    {
      "nct_id": "NCT00524277",
      "title": "Vaccine Therapy in Treating Patients With Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "GP2 peptide + GM-CSF vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "GM-CSF (sargramostim)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "AE37 + GM-CSF vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "San Antonio Military Medical Center",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 456,
      "start_date": "2007-01",
      "completion_date": "2017-03-31",
      "has_results": false,
      "last_update_posted_date": "2020-03-30",
      "last_synced_at": "2026-10-19T06:22:55.838Z",
      "location_count": 11,
      "location_summary": "Washington D.C., District of Columbia • Honolulu, Hawaii • Baltimore, Maryland + 7 more",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Honolulu",
          "state": "Hawaii"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00524277"
    },
    {
      "nct_id": "NCT01850628",
      "title": "NSABP Biospecimen Discovery Project",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Paclitaxel",
          "type": "DRUG"
        },
        {
          "name": "trastuzumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "pertuzumab",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL"
      ],
      "sponsor": "NSABP Foundation Inc",
      "sponsor_class": "NETWORK",
      "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": "2013-07",
      "completion_date": "2022-02",
      "has_results": false,
      "last_update_posted_date": "2021-10-05",
      "last_synced_at": "2026-10-19T06:22:55.838Z",
      "location_count": 5,
      "location_summary": "Gainesville, Florida • St Louis, Missouri • New York, New York + 2 more",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01850628"
    },
    {
      "nct_id": "NCT04143711",
      "title": "Study of DF1001 in Patients With Advanced Solid Tumors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Solid Tumor, Adult"
      ],
      "interventions": [
        {
          "name": "DF1001",
          "type": "DRUG"
        },
        {
          "name": "Nivolumab",
          "type": "DRUG"
        },
        {
          "name": "Nab paclitaxel",
          "type": "DRUG"
        },
        {
          "name": "Sacituzumab Govitecan-hziy",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Dragonfly Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 270,
      "start_date": "2019-11-11",
      "completion_date": "2025-12-05",
      "has_results": false,
      "last_update_posted_date": "2026-03-18",
      "last_synced_at": "2026-10-19T06:22:55.838Z",
      "location_count": 16,
      "location_summary": "Irvine, California • Los Angeles, California • San Diego, California + 13 more",
      "locations": [
        {
          "city": "Irvine",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Westwood",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04143711"
    },
    {
      "nct_id": "NCT02650752",
      "title": "Intermittent High-Dose Lapatinib in Tandem With Capecitabine for HER2 Overexpressed/Amplified Metastatic Breast Cancer With Central Nervous System (CNS) Metastases",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Metastatic Breast Cancer",
        "Central Nervous System (CNS) Metastases"
      ],
      "interventions": [
        {
          "name": "Lapatinib in Tandem With Capecitabine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer 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": 11,
      "start_date": "2016-01-06",
      "completion_date": "2021-01-22",
      "has_results": false,
      "last_update_posted_date": "2021-01-26",
      "last_synced_at": "2026-10-19T06:22:55.838Z",
      "location_count": 9,
      "location_summary": "Ann Arbor, Michigan • Basking Ridge, New Jersey • Middletown, New Jersey + 6 more",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "Basking Ridge",
          "state": "New Jersey"
        },
        {
          "city": "Middletown",
          "state": "New Jersey"
        },
        {
          "city": "Commack",
          "state": "New York"
        },
        {
          "city": "Harrison",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02650752"
    },
    {
      "nct_id": "NCT05868226",
      "title": "PRE-ISPY Phase I/II Oncology Platform Program",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "HER2-positive Breast Cancer",
        "Metastatic Cancer",
        "Metastatic Breast Cancer",
        "Metastatic",
        "HER2-positive Metastatic Breast Cancer",
        "HER2 Mutation-Related Tumors",
        "HER-2 Protein Overexpression",
        "HER2-negative Breast Cancer",
        "Triple Negative Breast Cancer",
        "HR Positive",
        "Hormone Receptor-positive Breast Cancer",
        "Estrogen Receptor Positive Tumor",
        "Progesterone Receptor-positive Breast Cancer",
        "Hormone Receptor Negative Breast Carcinoma",
        "Solid Tumor",
        "Solid Tumor, Adult",
        "Solid Carcinoma",
        "HER2 Low Breast Cancer",
        "HER2 Low Breast Carcinoma",
        "ER Positive Breast Cancer",
        "PR-positive Breast Cancer",
        "Minimal Residual Disease",
        "Colo-rectal Cancer",
        "Colon Cancer",
        "Rectal Cancer",
        "ctDNA Monitoring",
        "Colorectal Neoplasms",
        "Colonic Neoplasms",
        "Rectal Neoplasms",
        "Neoplasm, Residual",
        "Adenocarcinoma of Colon",
        "Adenocarcinoma"
      ],
      "interventions": [
        {
          "name": "ALX148",
          "type": "DRUG"
        },
        {
          "name": "Fam-Trastuzumab Deruxtecan-Nxki",
          "type": "DRUG"
        },
        {
          "name": "Zanidatamab",
          "type": "DRUG"
        },
        {
          "name": "Tucatinib",
          "type": "DRUG"
        },
        {
          "name": "TTX-MC138",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "QuantumLeap Healthcare Collaborative",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 280,
      "start_date": "2023-02-15",
      "completion_date": "2031-12-30",
      "has_results": false,
      "last_update_posted_date": "2026-09-30",
      "last_synced_at": "2026-10-19T06:22:55.838Z",
      "location_count": 10,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Aurora, Colorado + 7 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05868226"
    },
    {
      "nct_id": "NCT04553133",
      "title": "PF-07104091 as a Single Agent and in Combination Therapy",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Small Cell Lung Cancer",
        "Ovarian Cancer",
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "PF-07104091 monotherapy dose escalation",
          "type": "DRUG"
        },
        {
          "name": "PF-07104091 + palbociclib + fulvestrant",
          "type": "DRUG"
        },
        {
          "name": "PF-07104091 + palbociclib + letrozole",
          "type": "DRUG"
        },
        {
          "name": "PF-07104091 monotherapy dose expansion (ovarian)",
          "type": "DRUG"
        },
        {
          "name": "PF-07104091 monotherapy dose expansion (SCLC)",
          "type": "DRUG"
        },
        {
          "name": "PF-07104091 + Fulvestrant (post CDK4/6)",
          "type": "DRUG"
        },
        {
          "name": "PF-0704091 + Fulvestrant (post CDK4/6)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "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": 157,
      "start_date": "2020-09-16",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-05-06",
      "last_synced_at": "2026-10-19T06:22:55.838Z",
      "location_count": 17,
      "location_summary": "Clive, Iowa • Des Moines, Iowa • Louisville, Kentucky + 7 more",
      "locations": [
        {
          "city": "Clive",
          "state": "Iowa"
        },
        {
          "city": "Des Moines",
          "state": "Iowa"
        },
        {
          "city": "Des Moines",
          "state": "Iowa"
        },
        {
          "city": "Des Moines",
          "state": "Iowa"
        },
        {
          "city": "Louisville",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04553133"
    },
    {
      "nct_id": "NCT00082667",
      "title": "Gefitinib Followed By Surgery in Treating Women With Ductal Carcinoma In Situ of the Breast",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "gefitinib",
          "type": "DRUG"
        },
        {
          "name": "Surgery",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Vanderbilt-Ingram Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "35 Years and older · Female only"
      },
      "enrollment_count": 1,
      "start_date": "2002-10",
      "completion_date": "2005-06",
      "has_results": false,
      "last_update_posted_date": "2013-02-25",
      "last_synced_at": "2026-10-19T06:22:55.838Z",
      "location_count": 2,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00082667"
    },
    {
      "nct_id": "NCT05065411",
      "title": "Efficacy & Safety Evaluation of Enobosarm in Combo With Abemaciclib in Treatment of ER+HER2- Metastatic Breast Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Metastatic Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Enobosarm & Abemaciclib Combo",
          "type": "DRUG"
        },
        {
          "name": "non-steroidal AI, or steroidal AI (exemestane with or without everolimus) or Fulvestrant",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Veru Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 5,
      "start_date": "2022-04-11",
      "completion_date": "2024-01-09",
      "has_results": false,
      "last_update_posted_date": "2024-02-26",
      "last_synced_at": "2026-10-19T06:22:55.838Z",
      "location_count": 30,
      "location_summary": "Chandler, Arizona • Gilbert, Arizona • Tucson, Arizona + 26 more",
      "locations": [
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "Gilbert",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05065411"
    }
  ]
}