Vol. 6 No. 8 (2026): August
Reimbursement Reviews

Mosunetuzumab IV (Lunsumio) and Mosunetuzumab SC (Lunsumio SC)

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Published August 26, 2026

Key Messages

  • Reimbursement reviews are comprehensive assessments of the clinical effectiveness and cost-effectiveness, as well as patient and clinician perspectives, of a drug or drug class.
  • The assessments inform nonbinding recommendations that help guide the reimbursement decisions of Canada’s federal, provincial, and territorial governments, with the exception of Quebec.
  • This review assesses:
    • Mosunetuzumab IV concentrate for solution for intravenous infusion
      • 1 mg dose in a 2 mL vial containing 1 mL of liquid concentrate (1 mg/mL)
      • 30 mg dose in a 50 mL vial containing 30 mL of liquid concentrate (1 mg/mL)
    • Mosunetuzumab SC solution for subcutaneous injection
      • 5 mg dose in a 2 mL vial containing 0.5 mL of solution (10 mg/mL)
      • 45 mg dose in a 2 mL vial containing 1 mL of solution (45 mg/mL)
  • Indication:
    • Mosunetuzumab IV: As monotherapy for the treatment of adult patients with relapsed or refractory follicular lymphoma (grades 1 to 3a) who have received at least 2 prior lines of systemic therapy
    • Mosunetuzumab SC: Same as mosunetuzumab IV