Lunsumio (Mosunetuzumab-axgb)

Lunsumio (Mosunetuzumab-axgb)

Lunsumio

Mosunetuzumab-axgb

Injection: 1 mg/mL and 30 mg/30 mL 

Mirati Therapeutics, Inc

Medical Use

Lunsumio (mosunetuzumab-axgb) is a bispecific CD20-directed CD3 T-cell engager used to treat adult patients with relapsed or refractory follicular lymphoma after two or more lines of systemic therapy.

Note: This conditional approval is based on the response rate. Ongoing studies aim to further establish the efficacy of this medication.

Recommended Dosage:

  • -Premedication: Prior to each dose in Cycles 1 and 2, premedicate to reduce the risk of cytokine release syndrome (CRS) and infusion-related reactions.
  • -Administration: Administer only as an intravenous (IV) infusion. Each cycle lasts 21 days.

Dosage Regimen:

  • -Cycle 1:
    • -Day 1: 1 mg IV over at least 4 hours.
    • -Day 8: 2 mg IV over at least 4 hours.
    • -Day 15: 60 mg IV over at least 4 hours.
  • -Cycle 2:
    • -Day 1: 60 mg IV over 2 hours if Cycle 1 was well-tolerated.
  • -Cycle 3 and subsequent cycles:
    • -Day 1: 30 mg IV over 2 hours if Cycle 1 was well-tolerated.

Treatment Duration:

  • -Continue for 8 cycles unless the patient experiences unacceptable toxicity or disease progression.
  • -For patients achieving a complete response, no further treatment beyond 8 cycles is required.
  • -For those with a partial response or stable disease after 8 cycles, an additional 9 cycles (totaling 17 cycles) may be administered, unless there is unacceptable toxicity or disease progression.