[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-studies-list:{\"conditionNormalized\":\"mrna-vaccination\",\"overallStatus\":[\"RECRUITING\",\"AVAILABLE\",\"NOT_YET_RECRUITING\"],\"orderBy\":\"LastUpdateSubmitDate:desc\",\"size\":25,\"offset\":0}":3,"health-study-condition:mrna-vaccination":44},{"pageToken":4,"total":5,"offset":6,"count":5,"results":7},null,1,0,[8],{"id":9,"slug":4,"hasResults":10,"nctId":11,"briefTitle":12,"officialTitle":13,"acronym":14,"eligibilityCriteria":15,"healthyVolunteers":10,"sex":16,"minAge":4,"maxAge":4,"enrollmentInfo":17,"targetDuration":4,"studyType":20,"phases":4,"briefSummary":21,"conditions":22,"keywords":26,"overallStatus":31,"whyStopped":4,"lastUpdateSubmitDate":32,"lastUpdatePostDateStruct":33,"startDateStruct":36,"completionDateStruct":38,"leadSponsor":40,"locationsCount":43},"100619184",false,"NCT07341321","SARS-CoV-2 mRNA Vaccination in Patients With Hepatocellular Carcinoma Treated With Immune Checkpoint Inhibitors","SARS-CoV-2 mRNA Vaccination in Patients With Hepatocellular Carcinoma Treated With Immune Checkpoint Inhibitors (CoVaCheck) A Multicenter Retrospective Cohort Analysis in Austria","CoVaCheck","Inclusion Criteria:\n\n* Age ≥ 18 years\n* Radiologically or histologically confirmed hepatocellular carcinoma\n* Treatment with immune checkpoint inhibitor-based therapy (mono- or combination therapy; e.g., atezolizumab\u002Fbevacizumab, durvalumab\u002Ftremelimumab, nivolumab, pembrolizumab)\n* Complete electronic medical records available\n* At least one imaging-based response assessment using mRECIST\n\nExclusion Criteria:\n\n* Missing key clinical data required for main analyses (e.g. survival status, date of progression, Child-Pugh class, BCLC stage)","ALL",{"count":18,"type":19},200,"ESTIMATED","OBSERVATIONAL","A multicenter retrospective cohort analysis in Austria\n\nPrimary Objective:\n\nTo assess whether receiving an mRNA COVID-19 vaccine within 3 months before starting ICI (Immune checkpoint inhibitors) therapy improves best overall response (mRECIST) in HCC (hepatocellular carcinoma).\n\nSecondary Objectives:\n\nEvaluate whether vaccination within 1 or 3 months affects OS (overall survival) , PFS (Progression free survival)), or TTP (Time to progression); compare outcomes by vaccination status, vaccine type, and prior infection; explore modification by cirrhosis severity and tumor characteristics; and assess safety (irAEs, steroid use, toxicity-related discontinuation).",[23,24,25],"mRNA Vaccination","Hepatocellular Carcinoma","Checkpoint Inhibitor",[27,28,29,30],"hepatocellular carcinoma","mRNA vaccination","response","immune checkpoint inhibitor","NOT_YET_RECRUITING","2026-01-07",{"date":34,"type":35},"2026-01-14","ACTUAL",{"date":37,"type":19},"2026-01",{"date":39,"type":19},"2026-12",{"name":41,"class":42},"Medical University of Graz","OTHER",5,""]