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Mosunetuzumab receives European Commission approval for the treatment of relapsed or refractory follicular lymphoma

Jun 17, 2022
Learning objective: After reading this article, learners will be able to cite a new clinical development in follicular lymphoma

On June 8, 2022, it was announced that the European Commission (EC) has granted approval for the use of mosunetuzumab, a CD20 × CD3 T-cell engaging bispecific antibody, for the treatment of adult patients with relapsed or refractory follicular lymphoma who have previously received ≥2 lines of systemic therapy. The approval is based on data obtained from the phase I/II GO29781 trial (NCT02500407),1 previously reported on the Lymphoma Hub.


  • 80% overall response rate
  • 60% complete response rate
  • Median duration of response was 22.8 months


  • Overall, 39% of patients experienced any-grade cytokine release syndrome, with 14% being Grade 2.
  • Most common adverse events were neutropenia, pyrexia, hypophosphatemia, and headache.
  • Initial treatment dose was administered without mandatory hospitalization.

  1.  European Commission approves Roche’s first-in-class bispecific antibody Lunsumio for people with relapsed or refractory follicular lymphoma. Published June 8, 2022. Accessed June 16, 2022.