{"classes":[{"categories":[{"measurements":[{"groupId":"OG000","value":"12"}]}]}],"denoms":[{"counts":[{"groupId":"OG000","value":"12"}],"units":"Participants"}],"groups":[{"description":"Patients who do not have a HLA type for which T cells can be generated or for whom T cells cannot be generated for technical issues receive avelumab intravenously (IV) over 1 hour every 2 weeks for 12 months. Within 7-10 days after completion of 1-3 doses of avelumab, patients receive MHC class I up-regulation intervention comprising either localized radiation therapy or recombinant interferon beta via intra-tumor injection.","id":"OG000","title":"Group 1 (Avelumab and MHC Class I Up-regulation)"}],"paramType":"COUNT_OF_PARTICIPANTS","reportingStatus":"POSTED","timeFrame":"Up to 28 days post intervention per patient","title":"Maintenance of T Cell Receptor (TCR) Expression of Transduced T Cells (Arm I) i.e. Persistence","type":"SECONDARY","unitOfMeasure":"Participants"}