{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=HER2+Expressing+Breast+or+Gastric%2FStomach+Cancers",
    "query": {
      "condition": "HER2 Expressing Breast or Gastric/Stomach Cancers"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 8,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-07-24T06:52:17.132Z",
  "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": "NCT03602079",
      "title": "Study of A166 in Patients With Relapsed/Refractory Cancers Expressing HER2 Antigen or Having Amplified HER2 Gene",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "HER2-positive Breast Cancer",
        "HER2 Gene Mutation",
        "HER-2 Gene Amplification",
        "HER2 Positive Gastric Cancer",
        "Salivary Gland Cancer",
        "Salivary Gland Tumor",
        "Salivary Gland Carcinoma",
        "Salivary Gland Neoplasms",
        "Lung Cancer",
        "Colo-rectal Cancer",
        "Rare Diseases",
        "Solid Tumor",
        "Recurrent Gastric Cancer",
        "Recurrent Colon Cancer",
        "Recurrent Breast Cancer",
        "Head and Neck Cancer",
        "Head and Neck Carcinoma",
        "Bladder Cancer",
        "Cervical Cancer",
        "Liver Cancer",
        "Bile Duct Cancer",
        "Urologic Cancer",
        "Pancreatic Cancer",
        "Prostate Cancer",
        "Recurrent Prostate Cancer",
        "Rectal Cancer",
        "Recurrent Ovarian Carcinoma",
        "Recurrent Renal Cell Cancer",
        "Rectal Cancer Stage II",
        "Rectal Cancer Stage I",
        "Rectal Cancer Stage III",
        "Skin Cancer",
        "Mouth Cancer",
        "Lip Cancer Stage I",
        "Tongue Cancer",
        "Breast Neoplasm Malignant Primary",
        "Larynx Cancer",
        "Tonsil Cancer",
        "Palate Cancer",
        "Mucoepidermoid Carcinoma",
        "Primary Peritoneal Carcinoma",
        "Mucinous Adenocarcinoma Gastric",
        "Mucinous Breast Cancer Recurrent",
        "Cholangiocarcinoma"
      ],
      "interventions": [
        {
          "name": "A166",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Klus Pharma Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 49,
      "start_date": "2018-07-16",
      "completion_date": "2022-01-12",
      "has_results": false,
      "last_update_posted_date": "2023-08-03",
      "last_synced_at": "2026-07-24T06:52:17.132Z",
      "location_count": 10,
      "location_summary": "Sarasota, Florida • Boston, Massachusetts • Detroit, Michigan + 7 more",
      "locations": [
        {
          "city": "Sarasota",
          "state": "Florida"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Detroit",
          "state": "Michigan"
        },
        {
          "city": "Lake Success",
          "state": "New York"
        },
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03602079"
    },
    {
      "nct_id": "NCT05091528",
      "title": "A Safety and Activity Study of SBT6050 in Combination With Other HER2-directed Therapies for HER2-positive Cancers",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "HER2-positive Breast Cancer",
        "HER2-positive Gastric Cancer",
        "HER2-positive Colorectal Cancer",
        "HER2-expressing Non-small Cell Lung Cancer"
      ],
      "interventions": [
        {
          "name": "SBT6050",
          "type": "DRUG"
        },
        {
          "name": "trastuzumab deruxtecan",
          "type": "DRUG"
        },
        {
          "name": "tucatinib",
          "type": "DRUG"
        },
        {
          "name": "trastuzumab",
          "type": "DRUG"
        },
        {
          "name": "capecitabine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Silverback Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2,
      "start_date": "2022-02-08",
      "completion_date": "2022-07-07",
      "has_results": true,
      "last_update_posted_date": "2022-08-18",
      "last_synced_at": "2026-07-24T06:52:17.132Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05091528"
    },
    {
      "nct_id": "NCT02576548",
      "title": "A Phase 1/2 Study of MEDI4276 in Adults Subjects With Select HER2-expressing Advanced Solid Tumors.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "HER2 Expressing Breast or Gastric/Stomach Cancers"
      ],
      "interventions": [
        {
          "name": "MEDI4276",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "MedImmune LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 47,
      "start_date": "2015-09-23",
      "completion_date": "2018-05-23",
      "has_results": false,
      "last_update_posted_date": "2019-06-18",
      "last_synced_at": "2026-07-24T06:52:17.132Z",
      "location_count": 5,
      "location_summary": "Stanford, California • Sarasota, Florida • Indianapolis, Indiana + 2 more",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Sarasota",
          "state": "Florida"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Charlotte",
          "state": "North Carolina"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02576548"
    },
    {
      "nct_id": "NCT04704661",
      "title": "Testing the Combination of Two Anti-cancer Drugs, DS-8201a and AZD6738, for The Treatment of Advanced Solid Tumors Expressing the HER2 Protein or Gene, The DASH Trial",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Advanced Breast Carcinoma",
        "Advanced Colon Carcinoma",
        "Advanced Colorectal Carcinoma",
        "Advanced Endometrial Carcinoma",
        "Advanced Gastric Carcinoma",
        "Advanced Gastroesophageal Junction Adenocarcinoma",
        "Advanced Malignant Solid Neoplasm",
        "Advanced Salivary Gland Carcinoma",
        "Anatomic Stage III Breast Cancer AJCC v8",
        "Anatomic Stage IV Breast Cancer AJCC v8",
        "Clinical Stage III Gastric Cancer AJCC v8",
        "Clinical Stage III Gastroesophageal Junction Adenocarcinoma AJCC v8",
        "Clinical Stage IV Gastric Cancer AJCC v8",
        "Clinical Stage IV Gastroesophageal Junction Adenocarcinoma AJCC v8",
        "HER2-Positive Breast Carcinoma",
        "Malignant Hepatobiliary Neoplasm",
        "Metastatic Breast Carcinoma",
        "Metastatic Colon Carcinoma",
        "Metastatic Colorectal Carcinoma",
        "Metastatic Endometrial Carcinoma",
        "Metastatic Gastric Carcinoma",
        "Metastatic Gastroesophageal Junction Adenocarcinoma",
        "Metastatic Malignant Solid Neoplasm",
        "Metastatic Salivary Gland Carcinoma",
        "Stage III Colon Cancer AJCC v8",
        "Stage III Colorectal Cancer AJCC v8",
        "Stage III Major Salivary Gland Cancer AJCC v8",
        "Stage III Uterine Corpus Carcinoma or Carcinosarcoma AJCC v8",
        "Stage IV Colon Cancer AJCC v8",
        "Stage IV Colorectal Cancer AJCC v8",
        "Stage IV Major Salivary Gland Cancer AJCC v8",
        "Stage IV Uterine Corpus Carcinoma or Carcinosarcoma AJCC v8",
        "Unresectable Breast Carcinoma",
        "Unresectable Colon Carcinoma",
        "Unresectable Colorectal Carcinoma",
        "Unresectable Endometrial Carcinoma",
        "Unresectable Gastric Carcinoma",
        "Unresectable Gastroesophageal Junction Adenocarcinoma",
        "Unresectable Malignant Solid Neoplasm",
        "Unresectable Salivary Gland Carcinoma"
      ],
      "interventions": [
        {
          "name": "Biopsy Procedure",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Ceralasertib",
          "type": "DRUG"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Echocardiography Test",
          "type": "PROCEDURE"
        },
        {
          "name": "Multigated Acquisition Scan",
          "type": "PROCEDURE"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Trastuzumab Deruxtecan",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "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": 51,
      "start_date": "2021-08-09",
      "completion_date": "2027-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-06-17",
      "last_synced_at": "2026-07-24T06:52:17.132Z",
      "location_count": 23,
      "location_summary": "Irvine, California • Los Angeles, California • Orange, California + 16 more",
      "locations": [
        {
          "city": "Irvine",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04704661"
    },
    {
      "nct_id": "NCT04319757",
      "title": "ACE1702 in Subjects With Advanced or Metastatic HER2-expressing Solid Tumors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Locally Advanced Solid Tumor",
        "Metastatic Cancer",
        "Solid Tumor",
        "HER2-positive Gastric Cancer",
        "HER2-positive Metastatic Breast Cancer"
      ],
      "interventions": [
        {
          "name": "ACE1702",
          "type": "DRUG"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Fludarabine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Acepodia Biotech, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 12,
      "start_date": "2020-06-24",
      "completion_date": "2024-07-15",
      "has_results": false,
      "last_update_posted_date": "2024-12-05",
      "last_synced_at": "2026-07-24T06:52:17.132Z",
      "location_count": 2,
      "location_summary": "Chicago, Illinois • Houston, Texas",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04319757"
    },
    {
      "nct_id": "NCT03821233",
      "title": "A Dose Finding Study of ZW49 in Patients With HER2-Positive Cancers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "HER2-expressing Cancers"
      ],
      "interventions": [
        {
          "name": "ZW49",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Zymeworks BC Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 112,
      "start_date": "2019-04-15",
      "completion_date": "2024-10-08",
      "has_results": false,
      "last_update_posted_date": "2025-01-29",
      "last_synced_at": "2026-07-24T06:52:17.132Z",
      "location_count": 8,
      "location_summary": "Duarte, California • Tampa, Florida • Chicago, Illinois + 5 more",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03821233"
    },
    {
      "nct_id": "NCT06714617",
      "title": "Evaluate BL-M17D1 in Patients w/HER2-Expressing/Mutant Advanced or Metastatic Solid Tumors",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Breast Cancer Stage III",
        "HER2-positive Metastatic Breast Cancer",
        "Unresectable Breast Carcinoma",
        "Her2-Positive",
        "HER2 Gene Mutation",
        "Gastroesophageal-junction Cancer",
        "Non Small Cell Lung Cancer",
        "Endometrial Neoplasms",
        "Peritoneal Cancer",
        "Fallopian Tube Cancer",
        "Ovarian Cancer",
        "Urothelial Carcinoma Bladder",
        "Solid Tumor, Adult",
        "Gastric Cancer"
      ],
      "interventions": [
        {
          "name": "BL-M17D1",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "SystImmune Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 120,
      "start_date": "2025-04-10",
      "completion_date": "2027-12-01",
      "has_results": false,
      "last_update_posted_date": "2025-11-04",
      "last_synced_at": "2026-07-24T06:52:17.132Z",
      "location_count": 9,
      "location_summary": "Denver, Colorado • New Haven, Connecticut • Lake Mary, Florida + 6 more",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Lake Mary",
          "state": "Florida"
        },
        {
          "city": "Port Saint Lucie",
          "state": "Florida"
        },
        {
          "city": "Sarasota",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06714617"
    },
    {
      "nct_id": "NCT02892123",
      "title": "Trial of ZW25 (Zanidatamab) in Patients With Advanced HER2-expressing Cancers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "HER2-expressing Cancers"
      ],
      "interventions": [
        {
          "name": "ZW25 (Zanidatamab)",
          "type": "DRUG"
        },
        {
          "name": "Paclitaxel",
          "type": "DRUG"
        },
        {
          "name": "Capecitabine",
          "type": "DRUG"
        },
        {
          "name": "Vinorelbine",
          "type": "DRUG"
        },
        {
          "name": "Tucatinib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Jazz Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 279,
      "start_date": "2016-09-30",
      "completion_date": "2024-10-31",
      "has_results": false,
      "last_update_posted_date": "2024-11-27",
      "last_synced_at": "2026-07-24T06:52:17.132Z",
      "location_count": 9,
      "location_summary": "Birmingham, Alabama • Los Angeles, California • Newport Beach, California + 6 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Newport Beach",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02892123"
    }
  ]
}