{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=trastuzumab&page=21",
    "query": {
      "intervention": "trastuzumab",
      "page": 21
    },
    "page_size": 10
  },
  "pagination": {
    "page": 21,
    "page_size": 10,
    "total_count": 678,
    "total_pages": 68,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=trastuzumab&page=22&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=trastuzumab&page=20&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-19T17:06:29.661Z",
  "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": "NCT03709082",
      "title": "Palbociclib in Estrogen Receptor Positive (ER+) Human Epidermal Growth Factor Receptor 2 Positive (HER2+) Metastatic Breast Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "HER2-positive Breast Cancer",
        "Breast Cancer Metastatic"
      ],
      "interventions": [
        {
          "name": "Palbociclib 75mg",
          "type": "DRUG"
        },
        {
          "name": "Letrozole 2.5mg",
          "type": "DRUG"
        },
        {
          "name": "T-DM1",
          "type": "DRUG"
        },
        {
          "name": "Palbociclib 100mg",
          "type": "DRUG"
        },
        {
          "name": "Palbociclib 125mg",
          "type": "DRUG"
        },
        {
          "name": "Palbociclib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Kansas Medical 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": 3,
      "start_date": "2018-10-15",
      "completion_date": "2021-02-03",
      "has_results": false,
      "last_update_posted_date": "2024-03-05",
      "last_synced_at": "2026-10-19T17:06:29.661Z",
      "location_count": 5,
      "location_summary": "Kansas City, Kansas • Overland Park, Kansas • Kansas City, Missouri + 1 more",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Kansas"
        },
        {
          "city": "Kansas City",
          "state": "Kansas"
        },
        {
          "city": "Overland Park",
          "state": "Kansas"
        },
        {
          "city": "Kansas City",
          "state": "Missouri"
        },
        {
          "city": "Lee's Summit",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03709082"
    },
    {
      "nct_id": "NCT01254136",
      "title": "Safety and Efficacy of INCB007839 With Trastuzumab and Vinorelbine in Patients With Metastatic HER2+ Breast Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "INCB007839 300mg BID",
          "type": "DRUG"
        },
        {
          "name": "Trastuzumab",
          "type": "DRUG"
        },
        {
          "name": "Vinorelbine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Incyte Corporation",
      "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": 20,
      "start_date": "2010-10",
      "completion_date": "2011-10",
      "has_results": false,
      "last_update_posted_date": "2012-01-25",
      "last_synced_at": "2026-10-19T17:06:29.661Z",
      "location_count": 14,
      "location_summary": "Fayetteville, Arkansas • Duarte, California • Denver, Colorado + 11 more",
      "locations": [
        {
          "city": "Fayetteville",
          "state": "Arkansas"
        },
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Davie",
          "state": "Florida"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01254136"
    },
    {
      "nct_id": "NCT05395052",
      "title": "FT536 Monotherapy and in Combination With Monoclonal Antibodies in Advanced Solid Tumors",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Non Small Cell Lung Cancer",
        "Colorectal Cancer",
        "Breast Cancer",
        "Ovarian Cancer",
        "Pancreatic Cancer",
        "Head and Neck Cancer",
        "GastroEsophageal Cancer"
      ],
      "interventions": [
        {
          "name": "FT536",
          "type": "DRUG"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Fludarabine",
          "type": "DRUG"
        },
        {
          "name": "IL-2",
          "type": "DRUG"
        },
        {
          "name": "Avelumab",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Pembrolizumab",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Nivolumab",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Atezolizumab",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Trastuzumab",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Cetuximab",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Amivantamab",
          "type": "COMBINATION_PRODUCT"
        }
      ],
      "intervention_types": [
        "DRUG",
        "COMBINATION_PRODUCT"
      ],
      "sponsor": "Fate Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 5,
      "start_date": "2022-05-31",
      "completion_date": "2023-08-11",
      "has_results": false,
      "last_update_posted_date": "2023-09-21",
      "last_synced_at": "2026-10-19T17:06:29.661Z",
      "location_count": 5,
      "location_summary": "Scottsdale, Arizona • Los Angeles, California • Hackensack, New Jersey + 2 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Hackensack",
          "state": "New Jersey"
        },
        {
          "city": "Huntersville",
          "state": "North Carolina"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05395052"
    },
    {
      "nct_id": "NCT02954536",
      "title": "Phase II Trial of Pembrolizumab With Trastuzumab and Chemotherapy in Advanced HER2 Positive Esophagogastric (EG) Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Esophageal Cancer",
        "Gastric Cancer"
      ],
      "interventions": [
        {
          "name": "pembrolizumab",
          "type": "DRUG"
        },
        {
          "name": "trastuzumab",
          "type": "DRUG"
        },
        {
          "name": "capecitabine",
          "type": "DRUG"
        },
        {
          "name": "cisplatin",
          "type": "DRUG"
        },
        {
          "name": "Oxaliplatin",
          "type": "DRUG"
        },
        {
          "name": "5-Fluorouracil",
          "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": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 37,
      "start_date": "2016-11-03",
      "completion_date": "2023-03-14",
      "has_results": true,
      "last_update_posted_date": "2023-03-16",
      "last_synced_at": "2026-10-19T17:06:29.661Z",
      "location_count": 8,
      "location_summary": "Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 5 more",
      "locations": [
        {
          "city": "Basking Ridge",
          "state": "New Jersey"
        },
        {
          "city": "Middletown",
          "state": "New Jersey"
        },
        {
          "city": "Montvale",
          "state": "New Jersey"
        },
        {
          "city": "Commack",
          "state": "New York"
        },
        {
          "city": "Harrison",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02954536"
    },
    {
      "nct_id": "NCT00820222",
      "title": "Lapatinib Plus Capecitabine Versus Trastuzumab Plus Capecitabine in ErbB2 (HER2) Positive Metastatic Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Metastases, Brain"
      ],
      "interventions": [
        {
          "name": "capecitabine",
          "type": "DRUG"
        },
        {
          "name": "lapatinib",
          "type": "DRUG"
        },
        {
          "name": "trastuzumab",
          "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": 540,
      "start_date": "2009-04-14",
      "completion_date": "2018-03-22",
      "has_results": true,
      "last_update_posted_date": "2019-04-02",
      "last_synced_at": "2026-10-19T17:06:29.661Z",
      "location_count": 17,
      "location_summary": "Goodyear, Arizona • Tucson, Arizona • Jonesboro, Arkansas + 14 more",
      "locations": [
        {
          "city": "Goodyear",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Greenbrae",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00820222"
    },
    {
      "nct_id": "NCT01966471",
      "title": "A Study of Trastuzumab Emtansine (Kadcyla) Plus Pertuzumab (Perjeta) Following Anthracyclines in Comparison With Trastuzumab (Herceptin) Plus Pertuzumab and a Taxane Following Anthracyclines as Adjuvant Therapy in Participants With Operable HER2-Positive Primary Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Trastuzumab Emtansine",
          "type": "DRUG"
        },
        {
          "name": "Trastuzumab",
          "type": "DRUG"
        },
        {
          "name": "Pertuzumab",
          "type": "DRUG"
        },
        {
          "name": "Paclitaxel",
          "type": "DRUG"
        },
        {
          "name": "Epirubicin",
          "type": "DRUG"
        },
        {
          "name": "Doxorubicin",
          "type": "DRUG"
        },
        {
          "name": "Docetaxel",
          "type": "DRUG"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "5-Fluorouracil",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Hoffmann-La Roche",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1846,
      "start_date": "2014-01-31",
      "completion_date": "2021-06-04",
      "has_results": true,
      "last_update_posted_date": "2022-06-14",
      "last_synced_at": "2026-10-19T17:06:29.661Z",
      "location_count": 50,
      "location_summary": "Scottsdale, Arizona • Oakland, California • Roseville, California + 44 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "Roseville",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01966471"
    },
    {
      "nct_id": "NCT00301899",
      "title": "Trastuzumab and Pertuzumab in Treating Patients With Unresectable Locally Advanced or Metastatic Breast Cancer That Did Not Respond to Previous Trastuzumab",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "pertuzumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "trastuzumab",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "National Institutes of Health Clinical Center (CC)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 37,
      "start_date": "2005-12",
      "completion_date": "2007-10",
      "has_results": false,
      "last_update_posted_date": "2012-03-08",
      "last_synced_at": "2026-10-19T17:06:29.661Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00301899"
    },
    {
      "nct_id": "NCT03417544",
      "title": "Atezolizumab + Pertuzumab + Trastuzumab In CNS Mets In BC",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "HER2-positive Metastatic Breast Cancer",
        "Central Nervous System Metastases"
      ],
      "interventions": [
        {
          "name": "ATEZOLIZUMAB",
          "type": "DRUG"
        },
        {
          "name": "PERTUZUMAB",
          "type": "DRUG"
        },
        {
          "name": "TRASTUZUMAB",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Nancy Lin, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 19,
      "start_date": "2018-05-21",
      "completion_date": "2026-04-17",
      "has_results": true,
      "last_update_posted_date": "2026-08-21",
      "last_synced_at": "2026-10-19T17:06:29.661Z",
      "location_count": 2,
      "location_summary": "Chicago, Illinois • Boston, Massachusetts",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03417544"
    },
    {
      "nct_id": "NCT01730833",
      "title": "Pertuzumab, Trastuzumab, and Paclitaxel Albumin-Stabilized Nanoparticle Formulation in Treating Patients With HER2-Positive Advanced Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "HER2-positive Breast Cancer",
        "Recurrent Breast Cancer",
        "Stage IIA Breast Cancer",
        "Stage IIB Breast Cancer",
        "Stage IIIA Breast Cancer",
        "Stage IIIB Breast Cancer",
        "Stage IIIC Breast Cancer",
        "Stage IV Breast Cancer",
        "Breast Adenocarcinoma",
        "Inflammatory Breast Carcinoma"
      ],
      "interventions": [
        {
          "name": "pertuzumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "trastuzumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "paclitaxel albumin-stabilized nanoparticle formulation",
          "type": "DRUG"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "OTHER"
      ],
      "sponsor": "City of Hope Medical Center",
      "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": 63,
      "start_date": "2013-07-17",
      "completion_date": "2026-04-20",
      "has_results": true,
      "last_update_posted_date": "2026-06-16",
      "last_synced_at": "2026-10-19T17:06:29.661Z",
      "location_count": 3,
      "location_summary": "Duarte, California • Lancaster, California • South Pasadena, California",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Lancaster",
          "state": "California"
        },
        {
          "city": "South Pasadena",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01730833"
    },
    {
      "nct_id": "NCT00770809",
      "title": "Paclitaxel and Trastuzumab With or Without Lapatinib in Treating Patients With Stage II or Stage III Breast Cancer That Can Be Removed by Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Male Breast Carcinoma",
        "Stage IIA Breast Cancer AJCC v6 and v7",
        "Stage IIB Breast Cancer AJCC v6 and v7",
        "Stage IIIA Breast Cancer AJCC v7",
        "Stage IIIB Breast Cancer AJCC v7",
        "Stage IIIC Breast Cancer AJCC v7"
      ],
      "interventions": [
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Lapatinib Ditosylate",
          "type": "DRUG"
        },
        {
          "name": "Paclitaxel",
          "type": "DRUG"
        },
        {
          "name": "Trastuzumab",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG",
        "BIOLOGICAL"
      ],
      "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": 305,
      "start_date": "2009-02-24",
      "completion_date": "2024-02-15",
      "has_results": true,
      "last_update_posted_date": "2026-08-12",
      "last_synced_at": "2026-10-19T17:06:29.661Z",
      "location_count": 317,
      "location_summary": "Tucson, Arizona • Fort Smith, Arkansas • Burbank, California + 222 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Fort Smith",
          "state": "Arkansas"
        },
        {
          "city": "Burbank",
          "state": "California"
        },
        {
          "city": "Castro Valley",
          "state": "California"
        },
        {
          "city": "Castro Valley",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00770809"
    }
  ]
}