Chemotherapy-Free Management of Follicular and Marginal Zone Lymphoma

Thomas A Ollila,1,2 Adam J Olszewski1,2 1Department of Medicine, Alpert Medical School of Brown University, Providence, RI, USA; 2Division of Hematology-Oncology, Rhode Island Hospital, Providence, RI, USACorrespondence: Adam J OlszewskiDepartment of Medicine, Alpert Medical School of Brown Universi...

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Main Authors: Ollila TA, Olszewski AJ
Format: Article
Language:English
Published: Dove Medical Press 2021-05-01
Series:Cancer Management and Research
Subjects:
Online Access:https://www.dovepress.com/chemotherapy-free-management-of-follicular-and-marginal-zone-lymphoma-peer-reviewed-fulltext-article-CMAR
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author Ollila TA
Olszewski AJ
author_facet Ollila TA
Olszewski AJ
author_sort Ollila TA
collection DOAJ
description Thomas A Ollila,1,2 Adam J Olszewski1,2 1Department of Medicine, Alpert Medical School of Brown University, Providence, RI, USA; 2Division of Hematology-Oncology, Rhode Island Hospital, Providence, RI, USACorrespondence: Adam J OlszewskiDepartment of Medicine, Alpert Medical School of Brown University, Rhode Island Hospital, 593 Eddy St., Providence, RI, 02903, USATel +1 844-222-2881Fax +1 401-444-8918Email adam_olszewski@brown.eduAbstract: Many patients with follicular (FL) or marginal zone lymphoma (MZL) are not eligible to receive immunochemotherapy due to advanced age or comorbidities. Recent innovations in the treatment of these indolent lymphomas provide options for multiple lines of chemotherapy-free management. More research is needed to determine which older patients are best served by a chemotherapy-free approach in the context of geriatric vulnerabilities. In the first line, regardless of disease burden, rituximab monotherapy can provide high rates of disease control with minimal toxicity, while judicious use of brief maintenance extends the duration of response. Radioimmunotherapy using ibritumomab tiuxetan is an effective and safe post-rituximab consolidation for older patients who have < 25% bone marrow involvement. The combination of rituximab and lenalidomide, although “chemotherapy-free”, does not improve tolerability over immunochemotherapy. However, studies support lower doses and shorter duration of lenalidomide exposure as a means to improve safety without materially compromising efficacy for older individuals. Extranodal MZL can often be effectively controlled with low-dose radiation therapy, and splenic MZL has excellent outcomes with rituximab monotherapy. For many patients with relapsed FL/MZL, simple retreatment with anti-CD20 antibodies will prove sufficient. Other currently available options for relapsed/refractory disease include ibritumomab tiuxetan, lenalidomide with rituximab, umbralisib as a potentially less toxic PI3K inhibitor, ibrutinib (for MZL), and tazemetostat (for FL, especially with EZH2 mutation). Emerging data with novel forms of immunotherapy (antibody-drug conjugates like polatuzumab vedotin or loncastuximab tesirine; T-cell-engaging bispecific antibodies like mosunetuzumab or epcoritamab; and chimeric antigen receptor CAR T-cells like axicabtagene ciloleucel) suggest that immune-directed approaches can produce very high and potentially durable responses in FL/MZL with limited toxicities, further obviating the need for chemotherapy.Keywords: follicular lymphoma, marginal zone lymphoma, geriatric oncology, lenalidomide, ibritumomab tiuxetan, bispecific antibodies
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spelling doaj.art-6439d6433f4d4796b75f19f9930b5f522022-12-21T19:47:45ZengDove Medical PressCancer Management and Research1179-13222021-05-01Volume 133935395264774Chemotherapy-Free Management of Follicular and Marginal Zone LymphomaOllila TAOlszewski AJThomas A Ollila,1,2 Adam J Olszewski1,2 1Department of Medicine, Alpert Medical School of Brown University, Providence, RI, USA; 2Division of Hematology-Oncology, Rhode Island Hospital, Providence, RI, USACorrespondence: Adam J OlszewskiDepartment of Medicine, Alpert Medical School of Brown University, Rhode Island Hospital, 593 Eddy St., Providence, RI, 02903, USATel +1 844-222-2881Fax +1 401-444-8918Email adam_olszewski@brown.eduAbstract: Many patients with follicular (FL) or marginal zone lymphoma (MZL) are not eligible to receive immunochemotherapy due to advanced age or comorbidities. Recent innovations in the treatment of these indolent lymphomas provide options for multiple lines of chemotherapy-free management. More research is needed to determine which older patients are best served by a chemotherapy-free approach in the context of geriatric vulnerabilities. In the first line, regardless of disease burden, rituximab monotherapy can provide high rates of disease control with minimal toxicity, while judicious use of brief maintenance extends the duration of response. Radioimmunotherapy using ibritumomab tiuxetan is an effective and safe post-rituximab consolidation for older patients who have < 25% bone marrow involvement. The combination of rituximab and lenalidomide, although “chemotherapy-free”, does not improve tolerability over immunochemotherapy. However, studies support lower doses and shorter duration of lenalidomide exposure as a means to improve safety without materially compromising efficacy for older individuals. Extranodal MZL can often be effectively controlled with low-dose radiation therapy, and splenic MZL has excellent outcomes with rituximab monotherapy. For many patients with relapsed FL/MZL, simple retreatment with anti-CD20 antibodies will prove sufficient. Other currently available options for relapsed/refractory disease include ibritumomab tiuxetan, lenalidomide with rituximab, umbralisib as a potentially less toxic PI3K inhibitor, ibrutinib (for MZL), and tazemetostat (for FL, especially with EZH2 mutation). Emerging data with novel forms of immunotherapy (antibody-drug conjugates like polatuzumab vedotin or loncastuximab tesirine; T-cell-engaging bispecific antibodies like mosunetuzumab or epcoritamab; and chimeric antigen receptor CAR T-cells like axicabtagene ciloleucel) suggest that immune-directed approaches can produce very high and potentially durable responses in FL/MZL with limited toxicities, further obviating the need for chemotherapy.Keywords: follicular lymphoma, marginal zone lymphoma, geriatric oncology, lenalidomide, ibritumomab tiuxetan, bispecific antibodieshttps://www.dovepress.com/chemotherapy-free-management-of-follicular-and-marginal-zone-lymphoma-peer-reviewed-fulltext-article-CMARfollicular lymphomamarginal zone lymphomageriatric oncologylenalidomideibritumomab tiuxetanbispecific antibodies
spellingShingle Ollila TA
Olszewski AJ
Chemotherapy-Free Management of Follicular and Marginal Zone Lymphoma
Cancer Management and Research
follicular lymphoma
marginal zone lymphoma
geriatric oncology
lenalidomide
ibritumomab tiuxetan
bispecific antibodies
title Chemotherapy-Free Management of Follicular and Marginal Zone Lymphoma
title_full Chemotherapy-Free Management of Follicular and Marginal Zone Lymphoma
title_fullStr Chemotherapy-Free Management of Follicular and Marginal Zone Lymphoma
title_full_unstemmed Chemotherapy-Free Management of Follicular and Marginal Zone Lymphoma
title_short Chemotherapy-Free Management of Follicular and Marginal Zone Lymphoma
title_sort chemotherapy free management of follicular and marginal zone lymphoma
topic follicular lymphoma
marginal zone lymphoma
geriatric oncology
lenalidomide
ibritumomab tiuxetan
bispecific antibodies
url https://www.dovepress.com/chemotherapy-free-management-of-follicular-and-marginal-zone-lymphoma-peer-reviewed-fulltext-article-CMAR
work_keys_str_mv AT ollilata chemotherapyfreemanagementoffollicularandmarginalzonelymphoma
AT olszewskiaj chemotherapyfreemanagementoffollicularandmarginalzonelymphoma