{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=HER2-positive+Gastroesophageal+Cancer",
    "query": {
      "condition": "HER2-positive Gastroesophageal Cancer"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 38,
    "total_pages": 4,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=HER2-positive+Gastroesophageal+Cancer&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-05-21T22:32:30.161Z",
  "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": "NCT06731478",
      "title": "Study of TDXd, Chemotherapy, Pembrolizumab, and Trastuzumab in First-Line Metastatic HER2-Positive Gastric or Gastroesophageal Junction Cancer",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Gastric Cancer",
        "Gastroesophageal Junction Cancer"
      ],
      "interventions": [
        {
          "name": "Trastuzumab Deruxtecan",
          "type": "DRUG"
        },
        {
          "name": "pembrolizumab",
          "type": "DRUG"
        },
        {
          "name": "Trastuzumab",
          "type": "DRUG"
        },
        {
          "name": "Chemotherapy",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Daiichi Sankyo",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 726,
      "start_date": "2025-02-27",
      "completion_date": "2030-02-01",
      "has_results": false,
      "last_update_posted_date": "2026-03-16",
      "last_synced_at": "2026-05-21T22:32:30.161Z",
      "location_count": 18,
      "location_summary": "New Haven, Connecticut • Skokie, Illinois • Kansas City, Kansas + 15 more",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Skokie",
          "state": "Illinois"
        },
        {
          "city": "Kansas City",
          "state": "Kansas"
        },
        {
          "city": "Silver Spring",
          "state": "Maryland"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06731478"
    },
    {
      "nct_id": "NCT05480384",
      "title": "Adjuvant Trastuzumab Deruxtecan (Enhertu) & Nivolumab For Patients Who Are Disease Free After Completion of Trimodality Treatment For HER-2+ Cancers of Esophagus & Gastroesophageal Junction",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Esophageal Adenocarcinoma",
        "Esophageal Cancer",
        "HER-2 Protein Overexpression",
        "Gastroesophageal-junction Cancer"
      ],
      "interventions": [
        {
          "name": "Nivolumab",
          "type": "DRUG"
        },
        {
          "name": "Trastuzumab deruxtecan",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Brown University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1,
      "start_date": "2023-07-14",
      "completion_date": "2026-05",
      "has_results": false,
      "last_update_posted_date": "2026-04-21",
      "last_synced_at": "2026-05-21T22:32:30.161Z",
      "location_count": 2,
      "location_summary": "New York, New York • Providence, Rhode Island",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05480384"
    },
    {
      "nct_id": "NCT06901531",
      "title": "A Study of Zolbetuximab Together With Pembrolizumab and Chemotherapy in Adults With Gastric Cancer",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Locally Advanced Unresectable Gastroesophageal Junction (GEJ) Adenocarcinoma or Cancer",
        "Locally Advanced Unresectable Gastric Adenocarcinoma or Cancer",
        "Metastatic Gastric Adenocarcinoma or Cancer",
        "Metastatic Gastroesophageal Junction (GEJ) Adenocarcinoma"
      ],
      "interventions": [
        {
          "name": "zolbetuximab",
          "type": "DRUG"
        },
        {
          "name": "Pembrolizumab",
          "type": "DRUG"
        },
        {
          "name": "Capecitabine",
          "type": "DRUG"
        },
        {
          "name": "Oxaliplatin",
          "type": "DRUG"
        },
        {
          "name": "Folinic acid (leucovorin or local equivalent)",
          "type": "DRUG"
        },
        {
          "name": "5-fluorouracil (5-FU)",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Astellas Pharma Global Development, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 500,
      "start_date": "2025-05-22",
      "completion_date": "2028-09-30",
      "has_results": false,
      "last_update_posted_date": "2026-04-29",
      "last_synced_at": "2026-05-21T22:32:30.161Z",
      "location_count": 30,
      "location_summary": "Birmingham, Alabama • Cerritos, California • Los Angeles, California + 25 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Cerritos",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Hartford",
          "state": "Connecticut"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06901531"
    },
    {
      "nct_id": "NCT04278144",
      "title": "A First-in-human Study Using BDC-1001 as a Single Agent and in Combination With Nivolumab in Advanced HER2-Expressing Solid Tumors",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "HER2-positive Solid Tumors",
        "HER2-positive Breast Cancer",
        "HER2-positive Colorectal Cancer",
        "HER2-positive Gastroesophageal Cancer",
        "HER2-positive Endometrial Cancer"
      ],
      "interventions": [
        {
          "name": "BDC-1001",
          "type": "DRUG"
        },
        {
          "name": "Nivolumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bolt 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": 175,
      "start_date": "2020-02-24",
      "completion_date": "2025-02-14",
      "has_results": false,
      "last_update_posted_date": "2025-09-15",
      "last_synced_at": "2026-05-21T22:32:30.161Z",
      "location_count": 11,
      "location_summary": "Palo Alto, California • Washington D.C., District of Columbia • Chicago, Illinois + 8 more",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Grand Rapids",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04278144"
    },
    {
      "nct_id": "NCT01662869",
      "title": "A Study of Onartuzumab in Combination With mFOLFOX6 in Participants With Metastatic HER2-Negative and MET-Positive Gastroesophageal Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Gastric Cancer"
      ],
      "interventions": [
        {
          "name": "5-Fluoruracil",
          "type": "DRUG"
        },
        {
          "name": "Folinic acid",
          "type": "DRUG"
        },
        {
          "name": "Onartuzumab",
          "type": "DRUG"
        },
        {
          "name": "Oxaliplatin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "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": 564,
      "start_date": "2012-11",
      "completion_date": "2015-12",
      "has_results": false,
      "last_update_posted_date": "2016-11-02",
      "last_synced_at": "2026-05-21T22:32:30.161Z",
      "location_count": 15,
      "location_summary": "Los Angeles, California • Denver, Colorado • Fort Myers, Florida + 11 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Fort Myers",
          "state": "Florida"
        },
        {
          "city": "St. Petersburg",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01662869"
    },
    {
      "nct_id": "NCT05190445",
      "title": "Cinrebafusp Alfa in Combination With Ramucirumab and Paclitaxel in HER2-High Gastric or GEJ Adenocarcinoma and in Combination With Tucatinib in HER2-Low Gastric or GEJ Andenocarinoma",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "HER2-positive Gastric Cancer"
      ],
      "interventions": [
        {
          "name": "Cinrebafusp alfa (PRS-343) in combination with ramucirumab and paclitaxel",
          "type": "DRUG"
        },
        {
          "name": "Cinrebafusp alfa (PRS-343) in combination with tucatinib",
          "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": 80,
      "start_date": "2021-11-01",
      "completion_date": "2023-02-01",
      "has_results": false,
      "last_update_posted_date": "2022-09-08",
      "last_synced_at": "2026-05-21T22:32:30.161Z",
      "location_count": 4,
      "location_summary": "Santa Barbara, California • Silver Spring, Maryland • New York, New York + 1 more",
      "locations": [
        {
          "city": "Santa Barbara",
          "state": "California"
        },
        {
          "city": "Silver Spring",
          "state": "Maryland"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05190445"
    },
    {
      "nct_id": "NCT06048081",
      "title": "Early Access Program for Zolbetuximab",
      "overall_status": "AVAILABLE",
      "study_type": "EXPANDED_ACCESS",
      "phases": [],
      "conditions": [
        "Locally Advanced Unresectable Gastroesophageal Junction (GEJ) Adenocarcinoma Cancer",
        "Locally Advanced Unresectable Gastric Adenocarcinoma Cancer",
        "Metastatic Gastric Adenocarcinoma Cancer",
        "Metastatic Gastroesophageal Junction (GEJ) Adenocarcinoma"
      ],
      "interventions": [
        {
          "name": "zolbetuximab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Astellas Pharma Global Development, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": null,
      "start_date": null,
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2025-09-10",
      "last_synced_at": "2026-05-21T22:32:30.161Z",
      "location_count": 1,
      "location_summary": "Morristown, New Jersey",
      "locations": [
        {
          "city": "Morristown",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06048081"
    },
    {
      "nct_id": "NCT04727151",
      "title": "TAC T-cells for the Treatment of HER2-positive Solid Tumors",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "HER2 Positive Gastric Cancer",
        "Metastatic HER2 Positive Gastroesophageal Junction Cancer"
      ],
      "interventions": [
        {
          "name": "TAC01-HER2",
          "type": "BIOLOGICAL"
        },
        {
          "name": "TAC01-HER2 plus pembrolizumab",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Triumvira Immunologics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 28,
      "start_date": "2021-04-19",
      "completion_date": "2024-03-25",
      "has_results": true,
      "last_update_posted_date": "2025-06-08",
      "last_synced_at": "2026-05-21T22:32:30.161Z",
      "location_count": 9,
      "location_summary": "Chicago, Illinois • Boston, Massachusetts • Newark, New Jersey + 5 more",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Newark",
          "state": "New Jersey"
        },
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04727151"
    },
    {
      "nct_id": "NCT04602117",
      "title": "ISPY-P1.01:Evaluating the Safety of Weekly Paclitaxel With Trastuzumab Duocarmazine (SYD985) in Patients With Metastatic Cancer",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "HER2-positive Breast Cancer",
        "HER2 Low",
        "SYD-985",
        "SYD985",
        "Vic-trastuzumab Duocarmazine",
        "Metastatic Cancer",
        "Metastatic Breast Cancer",
        "Metastatic Gastrointestinal Carcinoid Tumor",
        "Metastatic",
        "HER2 Low Breast Cancer",
        "GastroEsophageal Cancer",
        "Gastroesophageal Adenocarcinoma",
        "Endometrium Tumor",
        "Ovarian Cancer",
        "Ovarian Carcinoma",
        "HER2-positive Gastric Cancer",
        "HER2-positive Metastatic Breast Cancer",
        "HER2 Mutation-Related Tumors",
        "HER-2 Protein Overexpression",
        "HER2 Low HR Positive",
        "HR Positive",
        "Hormone Receptor-positive Breast Cancer",
        "Estrogen Receptor Positive Tumor",
        "Progesterone Receptor-positive Breast Cancer",
        "Triple Negative Breast Cancer",
        "Hormone Receptor Negative Breast Carcinoma",
        "Bladder Cancer"
      ],
      "interventions": [
        {
          "name": "Vic-trastuzumab duocarmazine (SYD985) + paclitaxel",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "QuantumLeap Healthcare Collaborative",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2021-07-28",
      "completion_date": "2021-11-17",
      "has_results": false,
      "last_update_posted_date": "2023-11-18",
      "last_synced_at": "2026-05-21T22:32:30.161Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04602117"
    },
    {
      "nct_id": "NCT01705340",
      "title": "Akt Inhibitor MK2206, Lapatinib Ditosylate, and Trastuzumab in Treating Patients With Locally Advanced or Metastatic HER2-Positive Breast , Gastric, or Gastroesophageal Cancer That Cannot Be Removed By Surgery",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Adenocarcinoma of the Gastroesophageal Junction",
        "HER2-positive Breast Cancer",
        "Male Breast Cancer",
        "Recurrent Breast Cancer",
        "Recurrent Esophageal Cancer",
        "Recurrent Gastric Cancer",
        "Stage IIIC Breast Cancer",
        "Stage IIIC Esophageal Cancer",
        "Stage IIIC Gastric Cancer",
        "Stage IV Breast Cancer",
        "Stage IV Esophageal Cancer",
        "Stage IV Gastric Cancer"
      ],
      "interventions": [
        {
          "name": "Akt inhibitor MK2206",
          "type": "DRUG"
        },
        {
          "name": "trastuzumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "lapatinib ditosylate",
          "type": "DRUG"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL",
        "OTHER"
      ],
      "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": 60,
      "start_date": "2012-09",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2013-09-30",
      "last_synced_at": "2026-05-21T22:32:30.161Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01705340"
    }
  ]
}