{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=HER2-+Breast+Cancer&page=21",
    "query": {
      "condition": "HER2- Breast Cancer",
      "page": 21
    },
    "page_size": 10
  },
  "pagination": {
    "page": 21,
    "page_size": 10,
    "total_count": 1359,
    "total_pages": 136,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=HER2-+Breast+Cancer&page=22&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=HER2-+Breast+Cancer&page=20&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-26T22:14:07.275Z",
  "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": "NCT00444535",
      "title": "Lapatinib and Bevacizumab for Metastatic Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Neoplasms, Breast"
      ],
      "interventions": [
        {
          "name": "lapatinib",
          "type": "DRUG"
        },
        {
          "name": "bevacizumab",
          "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": 52,
      "start_date": "2007-02-27",
      "completion_date": "2020-06-19",
      "has_results": true,
      "last_update_posted_date": "2021-10-25",
      "last_synced_at": "2026-10-26T22:14:07.275Z",
      "location_count": 9,
      "location_summary": "Tucson, Arizona • San Francisco, California • Hollywood, Florida + 6 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Hollywood",
          "state": "Florida"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Basking Ridge",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00444535"
    },
    {
      "nct_id": "NCT07227233",
      "title": "Artificial Intelligence and Machine Learning to Guide CDK4/6 Inhibitor Rechallenge in Breast Cancer.",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "A CDK4/6 inhibitor different from the first that the participant had received, plus fulvestrant.",
          "type": "DRUG"
        },
        {
          "name": "Treatment of physician's choice",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 105,
      "start_date": "2026-03-31",
      "completion_date": "2028-12",
      "has_results": false,
      "last_update_posted_date": "2026-04-09",
      "last_synced_at": "2026-10-26T22:14:07.275Z",
      "location_count": 1,
      "location_summary": "La Jolla, California",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07227233"
    },
    {
      "nct_id": "NCT01148849",
      "title": "Safety Study of MGAH22 in HER2-positive Carcinomas",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Breast Cancer",
        "Gastric Cancer"
      ],
      "interventions": [
        {
          "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": 66,
      "start_date": "2010-07",
      "completion_date": "2022-06-14",
      "has_results": false,
      "last_update_posted_date": "2025-02-26",
      "last_synced_at": "2026-10-26T22:14:07.275Z",
      "location_count": 2,
      "location_summary": "Bethesda, Maryland • Nashville, Tennessee",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01148849"
    },
    {
      "nct_id": "NCT06533826",
      "title": "TReatment of ADC-Refractory Breast CancEr With Dato-DXd or T-DXd: TRADE DXd",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer",
        "HER2-low Breast Cancer",
        "Metastatic Breast Cancer",
        "HER2-negative Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Trastuzumab Deruxtecan",
          "type": "DRUG"
        },
        {
          "name": "Datopotamab Deruxtecan",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Ana C Garrido-Castro, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 357,
      "start_date": "2024-10-29",
      "completion_date": "2038-08-01",
      "has_results": false,
      "last_update_posted_date": "2026-08-26",
      "last_synced_at": "2026-10-26T22:14:07.275Z",
      "location_count": 11,
      "location_summary": "Birmingham, Alabama • San Francisco, California • New Haven, Connecticut + 7 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06533826"
    },
    {
      "nct_id": "NCT07192432",
      "title": "Gene Therapy for HER-Positive Cancer (SENTRY-HER2)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "HER2 Expressing Solid Tumors"
      ],
      "interventions": [
        {
          "name": "Dose Level 1, VNX-202",
          "type": "GENETIC"
        },
        {
          "name": "Dose Level 2, VNX-202",
          "type": "GENETIC"
        },
        {
          "name": "Dose Level 3, VNX-202",
          "type": "GENETIC"
        },
        {
          "name": "Dose Level 4, VNX-202",
          "type": "GENETIC"
        }
      ],
      "intervention_types": [
        "GENETIC"
      ],
      "sponsor": "Vironexis Biotherapeutics Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 27,
      "start_date": "2025-11-18",
      "completion_date": "2033-10",
      "has_results": false,
      "last_update_posted_date": "2026-07-28",
      "last_synced_at": "2026-10-26T22:14:07.275Z",
      "location_count": 11,
      "location_summary": "Los Angeles, California • Denver, Colorado • Jacksonville, Florida + 8 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        },
        {
          "city": "Hackensack",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07192432"
    },
    {
      "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": "2026-10-26T22:14:07.275Z",
      "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": "NCT02432963",
      "title": "Vaccine Therapy and Pembrolizumab in Treating Patients With Solid Tumors That Have Failed Prior Therapy",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Adult Solid Neoplasm",
        "Bladder Carcinoma",
        "Colon Carcinoma",
        "Estrogen Receptor Negative",
        "Head and Neck Squamous Cell Carcinoma",
        "Hepatocellular Carcinoma",
        "HER2/Neu Negative",
        "Melanoma",
        "Non-Small Cell Lung Carcinoma",
        "Pancreatic Carcinoma",
        "Progesterone Receptor Negative",
        "Rectal Carcinoma",
        "Renal Cell Carcinoma",
        "Soft Tissue Sarcoma",
        "Triple-Negative Breast Carcinoma",
        "TP53 Gene Mutation",
        "Unresectable Solid Neoplasm"
      ],
      "interventions": [
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Modified Vaccinia Virus Ankara Vaccine Expressing p53",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Pembrolizumab",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BIOLOGICAL"
      ],
      "sponsor": "City of Hope Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 11,
      "start_date": "2015-12-28",
      "completion_date": "2027-09-01",
      "has_results": false,
      "last_update_posted_date": "2026-10-19",
      "last_synced_at": "2026-10-26T22:14:07.275Z",
      "location_count": 1,
      "location_summary": "Duarte, California",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02432963"
    },
    {
      "nct_id": "NCT05759949",
      "title": "First-in-Human Study of RLY-5836 in Advanced Breast Cancer and Other Solid Tumors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "PIK3CA Mutation",
        "Solid Tumor, Adult",
        "HER2-negative Breast Cancer",
        "Breast Cancer",
        "Metastatic Breast Cancer",
        "Advanced Breast Cancer",
        "Unresectable Solid Tumor",
        "Hormone Receptor Positive Tumor"
      ],
      "interventions": [
        {
          "name": "RLY-5836",
          "type": "DRUG"
        },
        {
          "name": "Fulvestrant",
          "type": "DRUG"
        },
        {
          "name": "Palbociclib",
          "type": "DRUG"
        },
        {
          "name": "Ribociclib",
          "type": "DRUG"
        },
        {
          "name": "Abemaciclib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Relay 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": 41,
      "start_date": "2023-03-29",
      "completion_date": "2025-04-11",
      "has_results": false,
      "last_update_posted_date": "2025-05-16",
      "last_synced_at": "2026-10-26T22:14:07.275Z",
      "location_count": 7,
      "location_summary": "Orlando, Florida • Indianapolis, Indiana • Boston, Massachusetts + 4 more",
      "locations": [
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "New Brunswick",
          "state": "New Jersey"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05759949"
    },
    {
      "nct_id": "NCT05985655",
      "title": "Study to Assess GTAEXS617 in Participants With Advanced Solid Tumors",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Head and Neck Squamous Cell Carcinoma (HNSCC)",
        "Pancreatic Adenocarcinoma",
        "Non-small Cell Lung Cancer (NSCLC)",
        "Platinum-resistant High-grade Epithelial Ovarian, Primary Peritoneal, or Fallopian Tube Cancers (HGSOC)",
        "Hormone Receptor Positive [HR+] and Human Epidermal Growth Factor Receptor 2 Negative [HER2-] Breast Carcinoma",
        "Triple Negative Breast Cancer (TNBC)"
      ],
      "interventions": [
        {
          "name": "GTAEXS617",
          "type": "DRUG"
        },
        {
          "name": "SoC",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Exscientia AI Ltd., a wholly owned subsidiary of Recursion 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": 230,
      "start_date": "2023-07-06",
      "completion_date": "2028-05",
      "has_results": false,
      "last_update_posted_date": "2026-08-13",
      "last_synced_at": "2026-10-26T22:14:07.275Z",
      "location_count": 6,
      "location_summary": "Los Angeles, California • Grand Rapids, Michigan • New York, New York + 3 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Grand Rapids",
          "state": "Michigan"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05985655"
    },
    {
      "nct_id": "NCT04895358",
      "title": "Study of Pembrolizumab (MK-3475) Plus Chemotherapy Versus Placebo Plus Chemotherapy for HR+/HER2- Locally Recurrent Inoperable or Metastatic Breast Cancer (MK-3475-B49/KEYNOTE-B49)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Breast Neoplasms"
      ],
      "interventions": [
        {
          "name": "pembrolizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "paclitaxel",
          "type": "DRUG"
        },
        {
          "name": "nab-paclitaxel",
          "type": "DRUG"
        },
        {
          "name": "liposomal doxorubicin",
          "type": "DRUG"
        },
        {
          "name": "capecitabine",
          "type": "DRUG"
        },
        {
          "name": "normal saline",
          "type": "DRUG"
        },
        {
          "name": "dextrose",
          "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": 342,
      "start_date": "2021-06-18",
      "completion_date": "2027-12-18",
      "has_results": false,
      "last_update_posted_date": "2026-07-22",
      "last_synced_at": "2026-10-26T22:14:07.275Z",
      "location_count": 41,
      "location_summary": "Birmingham, Alabama • Tucson, Arizona • Monterey, California + 33 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Monterey",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04895358"
    }
  ]
}