The ZANGEA trial is a open-label, single arm, multicenter phase II trial assessing the efficacy of zanidatamab in combination with pembrolizumab and chemotherapy in patients with metastatic gastroesophageal adenocarcinoma (GEA). The patients need to be previously untreated in the palliative setting and tested positive for HER2 and PD-L1.
Patient* has signed and dated a written informed consent form in accordance with regulatory and institutional guidelines and approved by an institutional Review Board / Independent Ethics Committee. This must be obtained before the performance of any protocol-related procedures that are not part of normal subject care.
Patient is, in the investigator's judgement, willing and able to comply with scheduled visits, treatment schedule, laboratory tests and other requirements of the study.
Patient is ≥ 18 years of age at time of signing the written informed consent.
Patient has been diagnosed with histologically confirmed unresectable advanced/metastatic HER2-positive (defined as IHC 3+ or IHC 2+ with ISH+) and PD-L1-positive (combined positive score CPS ≥ 1) gastroesophageal adenocarcinoma per local standard assessment of new or archival tumor tissue. Results of local HER2 and PD-L1 assessment will be retrospectively confirmed by central pathological re-assessment.
Patient has any known contraindication including allergy or hypersensitivity to the trial drugs or any constituent of the products as well as a known history of severe allergic, anaphylactic, or other hypersensitivity reactions to chimeric or humanized antibodies.
Patient received prior anti HER2-targeted treatment for GEA.
Patient has malignancies other than the disease under study within 5 years prior to inclusion, except for those with a negligible risk of metastasis or death (e.g., expected 5-year OS > 90%) treated with expected curative outcome (such as adequately treated carcinoma in situ of the cervix, basal or squamous cell skin cancer, localized prostate cancer treated surgically with curative intent, ductal carcinoma in situ treated surgically with curative intent).
Patient has untreated known CNS metastases. Patient is eligible, if previous CNS metastases are adequately treated and patient has neurologically returned to baseline (except for residual signs or symptoms related to the CNS treatment) for ≥ 2 weeks prior to enrolment, and did not receive corticosteroids, or is on a stable or decreasing dose of < 10 mg daily prednisone (or equivalent) for ≥ 2 weeks prior to inclusion.
Institut für Klinische Krebsforschung IKF GmbH at Krankenhaus Nordwest
Lead sponsor
Jazz Pharmaceuticals
Collaborator