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Condition Guide

New Treatments & Clinical Trials for Follicular Lymphoma

Last updated May 2026Data from ClinicalTrials.gov442 active trials
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Follicular lymphoma is one of the most common slow-growing (indolent) blood cancers, where abnormal B-cells accumulate mainly in lymph nodes. Most patients have a normal lifespan, but the disease typically recurs and requires multiple treatment courses over many years.

What's actually going on in research

PI3K delta inhibitors, EZH2 inhibitors, and newer CD20-bispecific antibodies are expanding options beyond standard chemo-immunotherapy. The EZH2 inhibitor tazemetostat shows specific activity in EZH2-mutated follicular lymphoma. CAR-T cell therapy and bispecific antibodies are showing strong responses in relapsed disease and may offer curative potential in some patients. Trials are also exploring fixed-duration treatment approaches to achieve durable remissions without indefinite therapy.

EZH2 inhibitor (tazemetostat)

Tazemetostat targets an epigenetic driver mutation in about 20% of follicular lymphomas, producing responses in patients with EZH2-mutated disease who have relapsed after prior therapy.

Bispecific antibodies

CD20xCD3 bispecific antibodies redirect T-cells to kill follicular lymphoma cells and are showing high response rates in relapsed disease without the complexity of CAR-T manufacturing.

CAR-T cell therapy

CAR-T cells targeting CD19 are in trials for follicular lymphoma after two or more prior therapies, with early data suggesting some patients achieve durable, possibly curative remissions.

What to know before you search

Eligibility depends on follicular lymphoma grade, tumor burden, FLIPI score, EZH2 mutation status, and prior treatment history.

What types of trials are currently open

  • Treatment trialsTesting new drug combinations, targeted agents, or immunotherapy for newly diagnosed or relapsed follicular lymphoma.
  • Watch-and-wait trialsTesting early treatment versus observation in asymptomatic low-tumor-burden follicular lymphoma.
  • CAR-T trialsEvaluating CAR-T cell therapy in relapsed or transformed follicular lymphoma.
  • Transformation trialsTesting treatment strategies when follicular lymphoma transforms to aggressive large B-cell lymphoma.
  • Maintenance trialsComparing maintenance antibody therapy versus observation after remission.

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