Table 4

Viral responses to EBV-specific T cells

Pt. no.Viral diseasePrevious standard therapyLine infusedHLA match (low-resolution) to recipientNo. of infusionsBest response by 6 wkComments
16 EBV Rituximab (tumor later found to be CD20 negative) C2274 2/6 CR CR EBV-PTLD based on imaging 
19 EBV Rituximab C3366 C2270 2/6 PR CR based on viral load PR peripheral disease and stable CNS disease at 5 wk based on imaging when removed from study because of relapse of AML 
1/6 
24 EBV Rituximab C3629 1/6 NR Decrease in EBV-DNA followed by a chronic GVHD flare treated with steroids. Died of EBV lymphoma 
37 EBV Rituximab C3617 3/6 CR CR EBV-PTLD based on imaging 
43 EBV Rituximab C3005 1/6 PR Very good PR based on imaging 
47* EBV (AdV) Rituximab C2339 (C2654) 1/6 5 (1) PR (CR) Five infusions for EBV-PTLD with CR after 6 wk based on imaging and viral loads (subsequent emergency use of VST infusion for AdV followed by CR) 
(1/6) 
74 EBV Rituximab C3365 C2582 3/6 NR Died of EBV lymphoma. Second line administered after confirming EBV-PTLD origin was in second, not first, CBU 
1/6 
79 EBV Rituximab C3617 2/6 PR Transient PRs then recurrences, subsequent CR by viral load after infusion of donor-derived EBV-specific T cells 
90 EBV Rituximab C2339 3/6 NR Died of EBV lymphoma 
Pt. no.Viral diseasePrevious standard therapyLine infusedHLA match (low-resolution) to recipientNo. of infusionsBest response by 6 wkComments
16 EBV Rituximab (tumor later found to be CD20 negative) C2274 2/6 CR CR EBV-PTLD based on imaging 
19 EBV Rituximab C3366 C2270 2/6 PR CR based on viral load PR peripheral disease and stable CNS disease at 5 wk based on imaging when removed from study because of relapse of AML 
1/6 
24 EBV Rituximab C3629 1/6 NR Decrease in EBV-DNA followed by a chronic GVHD flare treated with steroids. Died of EBV lymphoma 
37 EBV Rituximab C3617 3/6 CR CR EBV-PTLD based on imaging 
43 EBV Rituximab C3005 1/6 PR Very good PR based on imaging 
47* EBV (AdV) Rituximab C2339 (C2654) 1/6 5 (1) PR (CR) Five infusions for EBV-PTLD with CR after 6 wk based on imaging and viral loads (subsequent emergency use of VST infusion for AdV followed by CR) 
(1/6) 
74 EBV Rituximab C3365 C2582 3/6 NR Died of EBV lymphoma. Second line administered after confirming EBV-PTLD origin was in second, not first, CBU 
1/6 
79 EBV Rituximab C3617 2/6 PR Transient PRs then recurrences, subsequent CR by viral load after infusion of donor-derived EBV-specific T cells 
90 EBV Rituximab C2339 3/6 NR Died of EBV lymphoma 

AML, acute myeloid leukemia; CBU, cord blood unit; CNS, central nervous system. Other previously used abbreviations are explained in Table 2.

*

Subsequently went on to have an AdV infection and received a different VST line as emergency treatment after approval by the US Food and Drug Administration.

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