Roche Ventana ALK Assay Approved by FDA

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FDA has approved a Roche PMA for the Ventana ALK (D5F3) CDx Assay as a companion diagnostic to identify anaplastic lymphoma kinase (ALK)-positive non-small cell lung cancer patients eligible for treatment with Genentech’s (a Roche subsidiary) Alecensa (alectinib). Alecensa gained approval 11/7 based on data from the Phase 3 ALEX study, which showed the drug reduced the risk of disease worsening or death (progression-free survival) by 47% compared to crizotinib (Pfizer’s Xalkori) as assessed by an independent review committee. Median progression-free survival was 25.7 months for those taking Alecensa compared with 10.4 months for those who received crizotinib. The study also showed that Alecensa significantly reduced the risk of the cancer spreading to the brain or central nervous system compared to crizotinib.

 

Roche says the Ventana assay has been shown in studies to identify more patients that will benefit from an anti-ALK target therapy than fluorescent in situ hybridization (FISH) testing. It is available for use on the Roche BenchMark XT or BenchMark ULTRA IHC/FISH slide staining systems.

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