{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Phesgo",
    "query": {
      "intervention": "Phesgo"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 14,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Phesgo&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-02T04:33:01.792Z",
  "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": "NCT03674112",
      "title": "A Study to Evaluate Patient Preference and Satisfaction of Subcutaneous Administration of the Fixed-Dose Combination of Pertuzumab and Trastuzumab in Participants With HER2-Positive Early Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "HER2-Positive Early Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Pertuzumab and Trastuzumab Fixed-Dose Combination for Subcutaneous Administration (PH FDC SC)",
          "type": "DRUG"
        },
        {
          "name": "Pertuzumab IV",
          "type": "DRUG"
        },
        {
          "name": "Trastuzumab IV",
          "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": 160,
      "start_date": "2018-12-19",
      "completion_date": "2022-10-12",
      "has_results": true,
      "last_update_posted_date": "2024-01-02",
      "last_synced_at": "2026-09-02T04:33:01.792Z",
      "location_count": 9,
      "location_summary": "Lakewood, Colorado • Peoria, Illinois • Wichita, Kansas + 5 more",
      "locations": [
        {
          "city": "Lakewood",
          "state": "Colorado"
        },
        {
          "city": "Peoria",
          "state": "Illinois"
        },
        {
          "city": "Wichita",
          "state": "Kansas"
        },
        {
          "city": "Rockville",
          "state": "Maryland"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03674112"
    },
    {
      "nct_id": "NCT06172127",
      "title": "PHESGO Maintenance After T-DXd Short Induction for HER2+ Unresectable Locally Recurrent or Metastatic Breast Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "HER2-positive Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Trastuzumab deruxtecan",
          "type": "DRUG"
        },
        {
          "name": "Phesgo 1,200 MG / 600 MG / 30,000 UNT Per 15 ML Injection",
          "type": "DRUG"
        },
        {
          "name": "Phesgo 600 MG / 600 MG / 20,000 UNT in 10 mL Injection",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "MedSIR",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 165,
      "start_date": "2024-07-22",
      "completion_date": "2029-06",
      "has_results": false,
      "last_update_posted_date": "2026-04-29",
      "last_synced_at": "2026-09-02T04:33:01.792Z",
      "location_count": 2,
      "location_summary": "Boston, Massachusetts • New York, New York",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06172127"
    },
    {
      "nct_id": "NCT06439693",
      "title": "The SAPPHO Study: Sequential Therapy With Curative Intent in de Novo HER2+ Metastatic Breast Cancer",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer Female",
        "Breast Cancer",
        "Breast Cancer Metastatic",
        "Estrogen Receptor-positive Breast Cancer",
        "HER2-positive Breast Cancer",
        "Stage IV Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Nab-Paclitaxel",
          "type": "DRUG"
        },
        {
          "name": "Paclitaxel",
          "type": "DRUG"
        },
        {
          "name": "Docetaxel",
          "type": "DRUG"
        },
        {
          "name": "Phesgo",
          "type": "DRUG"
        },
        {
          "name": "T-DM1",
          "type": "DRUG"
        },
        {
          "name": "Pertuzumab",
          "type": "DRUG"
        },
        {
          "name": "Trastuzumab Deruxtecan",
          "type": "DRUG"
        },
        {
          "name": "Trastuzumab Subcutaneous Subcutaneous",
          "type": "DRUG"
        },
        {
          "name": "Tucatinib",
          "type": "DRUG"
        },
        {
          "name": "Trastuzumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Dana-Farber Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 72,
      "start_date": "2024-08-08",
      "completion_date": "2033-03-30",
      "has_results": false,
      "last_update_posted_date": "2026-08-06",
      "last_synced_at": "2026-09-02T04:33:01.792Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06439693"
    },
    {
      "nct_id": "NCT04569747",
      "title": "A Single Arm Phase II Study of ADjuvant Endocrine Therapy, Pertuzumab, and Trastuzumab for Patients With Anatomic Stage I Hormone Receptor-positive, HER2-positive Breast Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "HER2-positive Breast Cancer",
        "Invasive Carcinoma of the Breast",
        "Breast Cancer",
        "Node Negative Breast Cancer",
        "Micrometastasis Breast Cancer",
        "Hormone Receptor Positive Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Pertuzumab+TRASTUZUMAB",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "ADJUVANT ENDOCRINE THERAPY",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "COMBINATION_PRODUCT",
        "DRUG"
      ],
      "sponsor": "Dana-Farber Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 393,
      "start_date": "2021-01-11",
      "completion_date": "2030-09-01",
      "has_results": false,
      "last_update_posted_date": "2026-04-02",
      "last_synced_at": "2026-09-02T04:33:01.792Z",
      "location_count": 32,
      "location_summary": "Stamford, Connecticut • Miami, Florida • Atlanta, Georgia + 20 more",
      "locations": [
        {
          "city": "Stamford",
          "state": "Connecticut"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04569747"
    },
    {
      "nct_id": "NCT05894239",
      "title": "A Study to Evaluate the Efficacy and Safety of Inavolisib in Combination With Phesgo Versus Placebo in Combination With Phesgo in Participants With PIK3CA-Mutated HER2-Positive Locally Advanced or Metastatic Breast Cancer",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Metastatic Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Inavolisib",
          "type": "DRUG"
        },
        {
          "name": "Phesgo",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Taxane-based Chemotherapy",
          "type": "DRUG"
        },
        {
          "name": "Optional Endocrine Therapy of Investigator's Choice",
          "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": 230,
      "start_date": "2023-09-08",
      "completion_date": "2032-12-28",
      "has_results": false,
      "last_update_posted_date": "2026-08-25",
      "last_synced_at": "2026-09-02T04:33:01.792Z",
      "location_count": 20,
      "location_summary": "Gilbert, Arizona • Burbank, California • Corona, California + 17 more",
      "locations": [
        {
          "city": "Gilbert",
          "state": "Arizona"
        },
        {
          "city": "Burbank",
          "state": "California"
        },
        {
          "city": "Corona",
          "state": "California"
        },
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Irvine",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05894239"
    },
    {
      "nct_id": "NCT05593094",
      "title": "A Phase 1 Trial of ZN-A-1041 Enteric Capsules or Combination in Participants With Human Epidermal Growth Factor Receptor 2 (HER2)-Positive Advanced Solid Tumors",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Advanced Solid Tumors",
        "HER2-positive Breast Cancer"
      ],
      "interventions": [
        {
          "name": "ZN-A-1041",
          "type": "DRUG"
        },
        {
          "name": "ZN-A-1041 + T-DM1 3.6 mg/kg iv. for Phase 1b",
          "type": "DRUG"
        },
        {
          "name": "ZN-A-1041 + T-Dxd 5.4 mg/kg iv. for Phase 1b",
          "type": "DRUG"
        },
        {
          "name": "ZN-A-1041 + PHESGO / Herceptin plus Perjeta injection for Phase 1b",
          "type": "DRUG"
        },
        {
          "name": "ZN-A-1041 + T-DM1 3.6 mg/kg iv. for Phase 1c",
          "type": "DRUG"
        },
        {
          "name": "ZN-A-1041 + T-Dxd 5.4 mg/kg iv. for Phase 1c",
          "type": "DRUG"
        },
        {
          "name": "ZN-A-1041 + PHESGO / Herceptin plus Perjeta injection for Phase 1c",
          "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": 210,
      "start_date": "2020-09-03",
      "completion_date": "2027-08-31",
      "has_results": false,
      "last_update_posted_date": "2026-08-21",
      "last_synced_at": "2026-09-02T04:33:01.792Z",
      "location_count": 8,
      "location_summary": "Tucson, Arizona • Cerritos, California • San Francisco, California + 5 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Cerritos",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05593094"
    },
    {
      "nct_id": "NCT04395508",
      "title": "An Expanded Access Study to Provide at Home Subcutaneous Administration of Pertuzumab and Trastuzumab Fixed-Dose Combination (PH FDC SC) for Patients With HER2-Positive Breast Cancer During the COVID-19 Pandemic",
      "overall_status": "APPROVED_FOR_MARKETING",
      "study_type": "EXPANDED_ACCESS",
      "phases": [],
      "conditions": [
        "HER2-positive Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Pertuzumab and Trastuzumab Fixed-Dose Combination for Subcutaneous Administration (PH FDC SC)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "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": null,
      "start_date": null,
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2022-07-05",
      "last_synced_at": "2026-09-02T04:33:01.792Z",
      "location_count": 12,
      "location_summary": "Beverly Hills, California • San Francisco, California • Stanford, California + 9 more",
      "locations": [
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04395508"
    },
    {
      "nct_id": "NCT05256225",
      "title": "Testing the Addition of Herceptin Hylecta or Phesgo to the Usual Chemotherapy for HER2 Positive Endometrial Serous Carcinoma or Carcinosarcoma",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Endometrial Carcinoma",
        "Endometrial Clear Cell Adenocarcinoma",
        "Endometrial Dedifferentiated Carcinoma",
        "Endometrial Endometrioid Adenocarcinoma",
        "Endometrial Mixed Cell Adenocarcinoma",
        "Endometrial Serous Adenocarcinoma",
        "Endometrial Undifferentiated Carcinoma",
        "Uterine Corpus Malignant Mixed Mesodermal (Mullerian) Tumor"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Carboplatin",
          "type": "DRUG"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Echocardiography Test",
          "type": "PROCEDURE"
        },
        {
          "name": "High-Dose-Rate Vaginal Cuff Brachytherapy",
          "type": "RADIATION"
        },
        {
          "name": "Hyaluronidase-zzxf/Pertuzumab/Trastuzumab",
          "type": "DRUG"
        },
        {
          "name": "Multigated Acquisition Scan",
          "type": "PROCEDURE"
        },
        {
          "name": "Paclitaxel",
          "type": "DRUG"
        },
        {
          "name": "Survey Administration",
          "type": "OTHER"
        },
        {
          "name": "Trastuzumab/Hyaluronidase-oysk",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "RADIATION",
        "OTHER"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 360,
      "start_date": "2022-11-16",
      "completion_date": "2027-10-31",
      "has_results": false,
      "last_update_posted_date": "2026-09-01",
      "last_synced_at": "2026-09-02T04:33:01.792Z",
      "location_count": 409,
      "location_summary": "Birmingham, Alabama • Anchorage, Alaska • Tucson, Arizona + 307 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05256225"
    },
    {
      "nct_id": "NCT05296798",
      "title": "A Study to Evaluate the Efficacy and Safety of Giredestrant in Combination With Phesgo (Pertuzumab, Trastuzumab, and Hyaluronidase-zzxf) Versus Phesgo in Participants With Locally Advanced or Metastatic Breast Cancer (heredERA Breast Cancer)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Locally Advanced or Metastatic Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Phesgo",
          "type": "DRUG"
        },
        {
          "name": "Giredestrant",
          "type": "DRUG"
        },
        {
          "name": "Docetaxel",
          "type": "DRUG"
        },
        {
          "name": "Paclitaxel",
          "type": "DRUG"
        },
        {
          "name": "LHRH Agonist",
          "type": "DRUG"
        },
        {
          "name": "Optional Endocrine Therapy of Investigator's Choice",
          "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": 922,
      "start_date": "2022-07-18",
      "completion_date": "2030-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-07-16",
      "last_synced_at": "2026-09-02T04:33:01.792Z",
      "location_count": 13,
      "location_summary": "Tucson, Arizona • Los Angeles, California • Jacksonville, Florida + 10 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Annapolis",
          "state": "Maryland"
        },
        {
          "city": "Jamaica",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05296798"
    },
    {
      "nct_id": "NCT05730712",
      "title": "Pertuzumab, Trastuzumab, Hyaluronidase-zzxf and Enzalutamide for Treatment of Metastatic Castration-Resistant Prostate Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Castration-Resistant Prostate Carcinoma",
        "Stage IVB Prostate Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Echocardiography",
          "type": "PROCEDURE"
        },
        {
          "name": "Enzalutamide",
          "type": "DRUG"
        },
        {
          "name": "Hyaluronidase-zzxf/Pertuzumab/Trastuzumab",
          "type": "DRUG"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 7,
      "start_date": "2024-03-08",
      "completion_date": "2025-04-10",
      "has_results": true,
      "last_update_posted_date": "2026-06-09",
      "last_synced_at": "2026-09-02T04:33:01.792Z",
      "location_count": 3,
      "location_summary": "Scottsdale, Arizona • Jacksonville, Florida • Rochester, Minnesota",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05730712"
    }
  ]
}