Puma’s Neratinib Brings Uncertain Efficacy, Tolerability Concerns To FDA Panel

Tyrosine kinase inhibitor has an effect in adjuvant breast cancer but ‘there remains some uncertainty regarding the true magnitude of the treatment effect,” FDA reviewers say; given incidence and severity of diarrhea, experts will be asked to consider whether there is a subpopulation with a more favorable risk/benefit profile.

Questions about the potentially limited efficacy of Puma Biotechnology Inc.’s Nerlynx (neratinib) in adjuvant breast cancer, coupled with the incidence and severity of diarrhea, could lead the US FDA Oncologic Drugs Advisory Committee to consider whether the drug is better suited to a narrower population.

The agency’s external experts will meet May 24 to consider use of neratinib, a tyrosine kinase inhibitor, for single-agent, extended...

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