0000000000224651

AUTHOR

Kai Wiechen

showing 4 related works from this author

Zolbetuximab combined with EOX as first-line therapy in advanced CLDN18.2+ gastric (G) and gastroesophageal junction (GEJ) adenocarcinoma : Updated r…

2019

16 Background: Physiologically, the tight junction protein CLDN18.2 is present only in the gastric mucosa. Upon malignant transformation, CLDN18.2 epitopes are exposed on the cell surface and accessible to targeted therapy. Zolbetuximab (formerly IMAB362) is a chimeric mAb that mediates specific killing of CLDN18.2+ cancer cells through immune effector mechanisms; single-agent activity has been reported in G/GEJ cancer. Methods: Patients (pts) with advanced HER2-negative (HER–) G/GEJ cancer with CLDN18.2 expression of ≥ 2+ staining intensity with the anti-CLDN18 43-14A mAb in ≥ 40% tumor cells were eligible (NCT01630083). Patients were randomized 1:1 to receive first-line EOX ± zolbetuxima…

Cancer ResearchTight junctionbusiness.industryCellMedizinmedicine.diseaseGastroesophageal JunctionEpitopeMalignant transformation03 medical and health sciences0302 clinical medicineFirst line therapymedicine.anatomical_structureOncology030220 oncology & carcinogenesisCancer researchGastric mucosaMedicineAdenocarcinomabusiness030215 immunology
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Expression of Claudin 18.2 and HER2 in gastric, gastroesophageal junction, and esophageal cancers : Results from the FAST study

2017

4038 Background: Claudin 18.2 (CLDN18.2), a gastric mucosa tight junction protein, is aberrantly expressed in various cancers. In the FAST Phase 2 trial (NCT01630083), IMAB362, an anti-CLDN18.2 monoclonal antibody, administered in combination with EOX chemotherapy, prolonged survival compared to EOX alone in patients with advanced/recurrent gastric, gastroesophageal junction (GEJ), and esophageal cancers ineligible for trastuzumab. The aim of the present analysis was to assess tumor CLDN18.2 expression and co-expression with HER2 in the FAST population. Methods: Tumor tissue samples from patients screened for inclusion into the FAST trial were analyzed for CLDN18.2 expression using a CE-ma…

0301 basic medicineCancer ResearchTight junctionbusiness.industryMedizinGastroesophageal Junction03 medical and health sciences030104 developmental biology0302 clinical medicinemedicine.anatomical_structureOncology030220 oncology & carcinogenesisCancer researchGastric mucosaMedicineClaudinbusiness
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A multicentre, phase IIa study of zolbetuximab as a single agent in patients with recurrent or refractory advanced adenocarcinoma of the stomach or l…

2019

Abstract Background Claudin 18.2 (CLDN18.2) is physiologically confined to gastric mucosa tight junctions; however, upon malignant transformation, perturbations in cell polarity lead to CLDN18.2 epitopes being exposed on the cancer cell surface. The first-in-class monoclonal antibody, zolbetuximab (formerly known as IMAB362), binds to CLDN18.2 and can induce immune-mediated lysis of CLDN18.2-positive cells. Patients and methods Patients with advanced gastric, gastro-oesophageal junction (GEJ) or oesophageal adenocarcinomas with moderate-to-strong CLDN18.2 expression in ≥50% of tumour cells received zolbetuximab intravenously every 2 weeks for five planned infusions. At least three patients …

0301 basic medicineMalemedicine.medical_specialtyCLDN18.2Drug-Related Side Effects and Adverse ReactionsEsophageal NeoplasmsNauseagastro-oesophageal junction adenocarcinomaMedizinAdenocarcinomaGastroenterology03 medical and health sciences0302 clinical medicineStomach NeoplasmsInternal medicineGastrointestinal TumorsmedicineHumansProgression-free survivalAgedbusiness.industryStomachgastric cancerCancerAntibodies MonoclonalHematologyOriginal ArticlesMiddle Agedmedicine.diseaseddc:IMAB362030104 developmental biologymedicine.anatomical_structureTreatment OutcomeOncologyTolerability030220 oncology & carcinogenesisCohortVomitingAdenocarcinomaFemaleEsophagogastric Junctionmedicine.symptomzolbetuximabNeoplasm Recurrence Localbusiness
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FAST: a randomised phase II study of zolbetuximab (IMAB362) plus EOX versus EOX alone for first-line treatment of advanced CLDN18.2-positive gastric …

2021

Claudin 18.2 (CLDN18.2) is contained within normal gastric mucosa epithelial tight junctions; upon malignant transformation, CLDN18.2 epitopes become exposed. Zolbetuximab, a chimeric monoclonal antibody, mediates specific killing of CLDN18.2-positive cells through immune effector mechanisms.The FAST study enrolled advanced gastric/gastro-oesophageal junction and oesophageal adenocarcinoma patients (aged ≥18 years) with moderate-to-strong CLDN18.2 expression in ≥40% tumour cells. Patients received first-line epirubicin + oxaliplatin + capecitabine (EOX, arm 1, n = 84) every 3 weeks (Q3W), or zolbetuximab + EOX (loading dose, 800 mg/mIn the overall population, both PFS [hazard ratio (HR) = 0…

0301 basic medicineAdultmedicine.medical_specialtyAdolescentEsophageal NeoplasmsPopulationMedizinPhases of clinical researchAdenocarcinomaGastroenterologyLoading doseCapecitabine03 medical and health sciences0302 clinical medicineStomach NeoplasmsInternal medicineAntineoplastic Combined Chemotherapy ProtocolsmedicineClinical endpointHumanseducationCapecitabineeducation.field_of_studybusiness.industryHazard ratioAntibodies MonoclonalHematologyOxaliplatin030104 developmental biologyOncology030220 oncology & carcinogenesisClaudinsEsophagogastric Junctionbusinessmedicine.drugEpirubicinAnnals of oncology : official journal of the European Society for Medical Oncology
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