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2015 ; 6
(ä): 448
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Lymphoma Immunotherapy: Current Status
#MMPMID26388871
Zappasodi R
; de Braud F
; Di Nicola M
Front Immunol
2015[]; 6
(ä): 448
PMID26388871
show ga
The rationale to treat lymphomas with immunotherapy comes from long-standing
evidence on their distinctive immune responsiveness. Indolent B-cell non-Hodgkin
lymphomas, in particular, establish key interactions with the immune
microenvironment to ensure prosurvival signals and prevent antitumor immune
activation. However, reports of spontaneous regressions indicate that, under
certain circumstances, patients develop therapeutic antitumor immunity. Several
immunotherapeutic approaches have been thus developed to boost these effects in
all patients. To date, targeting CD20 on malignant B cells with the antibody
rituximab has been the most clinically effective strategy. However, relapse and
resistance prevent to cure approximately half of B-NHL patients, underscoring the
need of more effective therapies. The recognition of B-cell receptor variable
regions as B-NHL unique antigens promoted the development of specific vaccines to
immunize patients against their own tumor. Despite initial promising results,
this strategy has not yet demonstrated a sufficient clinical benefit to reach the
regulatory approval. Several novel agents are now available to stimulate immune
effector functions or counteract immunosuppressive mechanisms, such as engineered
antitumor T cells, co-stimulatory receptor agonist, and immune
checkpoint-blocking antibodies. Thus, multiple elements can now be exploited in
more effective combinations to break the barriers for the induction of
anti-lymphoma immunity.