ASH: Despite Novel Drugs In CML, Older Agents Are Tough To Dislodge

Superiority Data Vs. Generic Options

Scemblix proved more efficacious than older TKIs, but the older drugs may maintain a presence for economic reasons, though Takeda’s Iclusig may see a diminished role due to tolerability concerns.

(Alaric DeArment/Scrip)
Key Takeaways
  • Longer-term follow-up data from a Phase III trial at ASH showed Scemblix has much better efficacy than first- and second-generation TKIs for CML after 96 weeks of treatment.
  • Still, an investigator in the study said economic considerations may result in the older drugs continuing to play a role in first-line CML treatment.
  • Meanwhile, Takeda’s Iclusig is likely to see a diminished role due to tolerability concerns, but the drug maker has an option to license olverembatinib, which in Phase Ib data showed efficacy in patients with resistance to Iclusig and Scemblix.

Despite emerging data at the American Society of Hematology annual meeting that supports the use of Novartis’s tyrosine kinase inhibitor Scemblix (asciminib) in first-line chronic myeloid leukemia (CML), older and increasingly generically available drugs may continue to play a significant role due to potential cost considerations

Novartis presented data from the Phase III ASC4FIRST at ASH on 8 December, while Takeda presented long-term follow-up

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