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The role of tazemetostat in relapsed/refractory follicular lymphoma
Gottfried von Keudell1, Gilles Salles2
1Lymphoma Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY, USA.
Abstract:
Large strides have been made in the treatment of follicular lymphoma (FL) over the last few years. Although the majority of patients respond to upfront therapy, many experience disease progression with a progressive shortening of subsequent treatment free intervals. New treatment options are therefore crucial for such patients. Tazemetostat is a first-in-class, selective, oral inhibitor of enhancer of zester homolog 2 (EZH2), a histone methyltransferase that is mutated in about a quarter of FL cases. Tazemetostat was recently approved for the treatment of patients with relapsed FL after 2 or more prior lines of therapy in the presence of an EZH2 mutation and for those without any other available therapeutic option, independently of EZH2 mutation status. In this review, we will summarize the background and key data that led to the development of tazemetostat, and, ultimately, to its approval for this indication.
Insights
Tazemetostat offers a new oral treatment for relapsed follicular lymphoma (FL), particularly for patients with EZH2 mutations or limited options. This targeted therapy addresses disease progression after initial treatments.
Area of Science:
- Oncology
- Hematology
- Pharmacology
Background:
- Follicular lymphoma (FL) treatment advances have been significant, yet many patients face disease progression.
- Relapsed FL necessitates novel therapeutic strategies due to shortened treatment-free intervals.
- Enhancer of zester homolog 2 (EZH2) mutations occur in approximately 25% of FL cases.
Purpose of the Study:
- To review the development and approval of tazemetostat for relapsed FL.
- To summarize key clinical data supporting tazemetostat's efficacy.
- To highlight tazemetostat as a novel treatment option for specific FL patient populations.
Main Methods:
- Review of preclinical and clinical trial data for tazemetostat.
- Analysis of patient populations with relapsed FL and EZH2 mutations.
- Evaluation of regulatory submission data for drug approval.
Main Results:
- Tazemetostat demonstrated efficacy in patients with relapsed FL, including those with EZH2 mutations.
- Approval was granted for relapsed FL patients with EZH2 mutations after two prior therapies.
- It is also indicated for patients with no other therapeutic options, irrespective of mutation status.
Conclusions:
- Tazemetostat represents a significant advancement in relapsed FL treatment.
- Its approval provides a crucial new option for patients with limited therapeutic choices.
- Targeting EZH2 offers a promising avenue for follicular lymphoma management.
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