Novel targeted therapies of T cell lymphomas.

in Journal of hematology & oncology by Katarzyna Iżykowska, Karolina Rassek, Dorota Korsak, Grzegorz K Przybylski

TLDR

  • T cell lymphomas (TCL) are a type of cancer that affects the lymph system. Current treatments for TCL are not very effective and often lead to relapses. Researchers are looking for new ways to treat TCL using gene-targeted therapies. These therapies target specific genes that are involved in the development of TCL. The study provides an overview of the current state of TCL research and identifies potential new therapies that have shown promising results in preclinical and clinical trials. The study's findings suggest that new gene-targeted therapies can significantly improve outcomes for patients with TCL.

Abstract

T cell lymphomas (TCL) comprise a heterogeneous group of non-Hodgkin lymphomas (NHL) that often present at an advanced stage at the time of diagnosis and that most commonly have an aggressive clinical course. Treatment in the front-line setting is most often cyclophosphamide, doxorubicin, vincristine, and prednisone (CHOP) or CHOP-like regimens, which are effective in B cell lymphomas, but in TCL are associated with a high failure rate and frequent relapses. Furthermore, in contrast to B cell NHL, in which substantial clinical progress has been made with the introduction of monoclonal antibodies, no comparable advances have been seen in TCL. To change this situation and improve the prognosis in TCL, new gene-targeted therapies must be developed. This is now possible due to enormous progress that has been made in the last years in the understanding of the biology and molecular pathogenesis of TCL, which enables the implementation of the research findings in clinical practice. In this review, we present new therapies and current clinical and preclinical trials on targeted treatments for TCL using histone deacetylase inhibitors (HDACi), antibodies, chimeric antigen receptor T cells (CARTs), phosphatidylinositol 3-kinase inhibitors (PI3Ki), anaplastic lymphoma kinase inhibitors (ALKi), and antibiotics, used alone or in combinations. The recent clinical success of ALKi and conjugated anti-CD30 antibody (brentuximab-vedotin) suggests that novel therapies for TCL can significantly improve outcomes when properly targeted.

Overview

  • The study focuses on T cell lymphomas (TCL), a heterogeneous group of non-Hodgkin lymphomas (NHL) that often present at an advanced stage and have an aggressive clinical course. The hypothesis being tested is that new gene-targeted therapies must be developed to improve the prognosis in TCL. The methodology used for the experiment includes a review of the literature on TCL, focusing on new therapies and current clinical and preclinical trials on targeted treatments for TCL using histone deacetylase inhibitors (HDACi), antibodies, chimeric antigen receptor T cells (CARTs), phosphatidylinositol 3-kinase inhibitors (PI3Ki), anaplastic lymphoma kinase inhibitors (ALKi), and antibiotics, used alone or in combinations. The primary objective of the study is to provide an overview of the current state of TCL research and to identify potential new therapies that can significantly improve outcomes when properly targeted.

Comparative Analysis & Findings

  • The study compares the outcomes observed under different experimental conditions or interventions detailed in the review. The results show that current treatments in the front-line setting, such as CHOP or CHOP-like regimens, are effective in B cell lymphomas but have a high failure rate and frequent relapses in TCL. In contrast, new gene-targeted therapies, such as HDACi, antibodies, CARTs, PI3Ki, ALKi, and antibiotics, have shown promising results in preclinical and clinical trials. The key findings of the study suggest that new therapies for TCL can significantly improve outcomes when properly targeted.

Implications and Future Directions

  • The study's findings have significant implications for the field of research and clinical practice. The development of new gene-targeted therapies for TCL can improve the prognosis and outcomes for patients with this aggressive lymphoma. However, the study also identifies limitations in the current research, such as the need for more clinical trials and the need to better understand the molecular mechanisms underlying TCL. Future research directions could include the development of personalized therapies based on individual patient characteristics and the exploration of new targets for gene-targeted therapies.