{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=HER-2+Positive+Breast+Cancer&page=4",
    "query": {
      "condition": "HER-2 Positive Breast Cancer",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 856,
    "total_pages": 86,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=HER-2+Positive+Breast+Cancer&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=HER-2+Positive+Breast+Cancer&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-15T11:47:52.283Z",
  "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": "NCT06062498",
      "title": "Elacestrant vs Elacestrant Plus a CDK4/6 Inhibitor in Patients With ERpositive/HER2-negative Advanced or Metastatic Breast Cancer",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Estrogen-receptor-positive Breast Cancer",
        "HER2/Neu-Negative Breast Cancer",
        "Advanced Breast Cancerv",
        "Metastatic Breast Cancer"
      ],
      "interventions": [
        {
          "name": "elacestrant, palbociclib, abemaciclib, ribociclib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "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": 174,
      "start_date": "2023-09-29",
      "completion_date": "2029-07-01",
      "has_results": false,
      "last_update_posted_date": "2026-09-04",
      "last_synced_at": "2026-11-15T11:47:52.283Z",
      "location_count": 3,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06062498"
    },
    {
      "nct_id": "NCT05232916",
      "title": "Phase 3 Study to Evaluate the Efficacy and Safety of HER2/Neu Peptide GLSI-100 (GP2 + GM-CSF) in HER2/Neu Positive Subjects",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        },
        {
          "name": "GLSI-100",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Greenwich LifeSciences, 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": 2250,
      "start_date": "2022-12-16",
      "completion_date": "2031-12",
      "has_results": false,
      "last_update_posted_date": "2026-08-06",
      "last_synced_at": "2026-11-15T11:47:52.283Z",
      "location_count": 51,
      "location_summary": "Mobile, Alabama • Goodyear, Arizona • Tucson, Arizona + 44 more",
      "locations": [
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Goodyear",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Fullerton",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05232916"
    },
    {
      "nct_id": "NCT03250676",
      "title": "Trial of H3B-6545, in Women With Locally Advanced or Metastatic Estrogen Receptor-positive, HER2 Negative Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Breast Neoplasms",
        "Breast Cancer",
        "Estrogen-receptor Positive Breast Cancer",
        "Cancer, Breast",
        "Breast Cancer Female",
        "Breast Adenocarcinoma",
        "Estrogen Receptor Positive Tumor",
        "ER Positive"
      ],
      "interventions": [
        {
          "name": "H3B-6545",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Eisai 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": 151,
      "start_date": "2017-08-23",
      "completion_date": "2023-10-26",
      "has_results": true,
      "last_update_posted_date": "2025-02-25",
      "last_synced_at": "2026-11-15T11:47:52.283Z",
      "location_count": 23,
      "location_summary": "Goodyear, Arizona • Los Angeles, California • San Francisco, California + 18 more",
      "locations": [
        {
          "city": "Goodyear",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Fort Lauderdale",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03250676"
    },
    {
      "nct_id": "NCT02080390",
      "title": "Strain Imaging in Breast Cancer Patients Receiving Trastuzumab",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Her 2 Positive Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Transthoracic echocardiogram (ultrasound)",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 25,
      "start_date": "2014-09",
      "completion_date": "2019-02-14",
      "has_results": false,
      "last_update_posted_date": "2019-03-01",
      "last_synced_at": "2026-11-15T11:47:52.283Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02080390"
    },
    {
      "nct_id": "NCT00194714",
      "title": "Vaccine Therapy in Treating Patients With Stage IV HLA-A2 and HER2 Positive Breast or Ovarian Cancer Receiving Trastuzumab",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "HER2/Neu Positive",
        "HLA-A2 Positive Cells Present",
        "Stage IV Breast Cancer",
        "Stage IV Ovarian Cancer"
      ],
      "interventions": [
        {
          "name": "HER-2/neu Peptide Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "University of Washington",
      "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": 22,
      "start_date": "2016-05",
      "completion_date": "2023-05-22",
      "has_results": true,
      "last_update_posted_date": "2024-06-06",
      "last_synced_at": "2026-11-15T11:47:52.283Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00194714"
    },
    {
      "nct_id": "NCT01922921",
      "title": "Vaccine Therapy With or Without Polysaccharide-K in Patients With Stage IV HER2 Positive Breast Cancer Receiving HER2-Targeted Monoclonal Antibody Therapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "HER2/Neu Positive",
        "Recurrent Breast Carcinoma",
        "Stage IV Breast Cancer"
      ],
      "interventions": [
        {
          "name": "HER-2/neu Intracellular Domain Protein",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Pertuzumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        },
        {
          "name": "Polysaccharide-K",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Trastuzumab",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "University of Washington",
      "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": "2014-02-05",
      "completion_date": "2021-09-01",
      "has_results": true,
      "last_update_posted_date": "2023-04-18",
      "last_synced_at": "2026-11-15T11:47:52.283Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01922921"
    },
    {
      "nct_id": "NCT02248090",
      "title": "AZD9496 First Time in Patients Ascending Dose Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "ER+ HER2- Advanced Breast Cancer"
      ],
      "interventions": [
        {
          "name": "AZD9496",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AstraZeneca",
      "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": 45,
      "start_date": "2014-10-22",
      "completion_date": "2019-04-03",
      "has_results": false,
      "last_update_posted_date": "2019-06-24",
      "last_synced_at": "2026-11-15T11:47:52.283Z",
      "location_count": 3,
      "location_summary": "Sarasota, Florida • New York, New York • Nashville, Tennessee",
      "locations": [
        {
          "city": "Sarasota",
          "state": "Florida"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02248090"
    },
    {
      "nct_id": "NCT04899908",
      "title": "Stereotactic Brain-directed Radiation With or Without Aguix Gadolinium-Based Nanoparticles in Brain Metastases",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Brain Cancer",
        "Brain Metastases",
        "Melanoma",
        "Lung Cancer",
        "Breast Cancer",
        "HER2-positive Breast Cancer",
        "Colorectal Cancer",
        "Gastrointestinal Cancer",
        "SRS",
        "SRT",
        "Whole Brain Radiation",
        "Stereotactic Radiation",
        "AGuIX",
        "Nanoparticle",
        "Cystic",
        "Brain Tumor"
      ],
      "interventions": [
        {
          "name": "Stereotactic Radiation",
          "type": "RADIATION"
        },
        {
          "name": "AGuIX gadolinium-based nanoparticles",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 134,
      "start_date": "2021-09-15",
      "completion_date": "2029-05",
      "has_results": false,
      "last_update_posted_date": "2026-09-09",
      "last_synced_at": "2026-11-15T11:47:52.283Z",
      "location_count": 2,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04899908"
    },
    {
      "nct_id": "NCT01615068",
      "title": "An Observational Study in Patients With HER2 Positive Metastatic Breast Cancer (SystHERs Registry)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Genentech, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1007,
      "start_date": "2012-06-05",
      "completion_date": "2017-11-16",
      "has_results": false,
      "last_update_posted_date": "2018-07-16",
      "last_synced_at": "2026-11-15T11:47:52.283Z",
      "location_count": 142,
      "location_summary": "Birmingham, Alabama • Mobile, Alabama • Sedona, Arizona + 128 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Sedona",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Hot Springs",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01615068"
    },
    {
      "nct_id": "NCT03650348",
      "title": "PRS-343 in Combination With Atezolizumab in HER2-Positive Solid Tumors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "HER2-positive Breast Cancer",
        "HER2-positive Gastric Cancer",
        "HER2-positive Bladder Cancer",
        "HER2-positive Solid Tumor"
      ],
      "interventions": [
        {
          "name": "PRS-343 in Combination with Atezolizumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pieris Pharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 41,
      "start_date": "2018-08-21",
      "completion_date": "2022-08-11",
      "has_results": false,
      "last_update_posted_date": "2024-04-22",
      "last_synced_at": "2026-11-15T11:47:52.283Z",
      "location_count": 8,
      "location_summary": "Los Angeles, California • Newport Beach, California • Santa Monica, California + 5 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Newport Beach",
          "state": "California"
        },
        {
          "city": "Santa Monica",
          "state": "California"
        },
        {
          "city": "New Orleans",
          "state": "Louisiana"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03650348"
    }
  ]
}