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Photo courtesy of Amgen
The US Food and Drug Administration (FDA) has accepted for priority review the supplemental biologics license application for blinatumomab (Blincyto) as a treatment for pediatric and adolescent patients with Philadelphia chromosome negative (Ph-) relapsed or refractory B-cell precursor acute lymphoblastic leukemia (ALL).
To grant an application priority review, the FDA must believe the drug would provide a significant improvement in the treatment, diagnosis, or prevention of a serious condition.
The priority review designation means the FDA’s goal is to take action on an application within 6 months, rather than the 10 months typically taken for a standard review.
The Prescription Drug User Fee Act target action date for the supplemental biologics license application for blinatumomab is September 1, 2016.
About blinatumomab
Blinatumomab is a bispecific, CD19-directed, CD3 T-cell engager (BiTE®) antibody construct that binds specifically to CD19 expressed on the surface of cells of B-lineage origin and CD3 expressed on the surface of T cells.
Blinatumomab was previously granted breakthrough therapy and priority review designations by the FDA and is now approved in the US for the treatment of adults with Ph- relapsed or refractory B-cell precursor ALL.
This indication is approved under accelerated approval. Continued approval for this indication may be contingent upon verification of clinical benefit in subsequent trials.
Blinatumomab is marketed by Amgen as Blincyto. The full US prescribing information is available at www.BLINCYTO.com.
‘205 trial
The supplemental biologics license application for blinatumomab in pediatric and adolescent patients is based on data from the phase 1/2 '205 trial.
In this study, researchers evaluated blinatumomab in patients younger than 18 years of age. The patients had B-cell precursor ALL that was refractory, had relapsed at least twice, or relapsed after an allogeneic hematopoietic stem cell transplant.
Treatment in this study has been completed, and subjects are being monitored for long-term efficacy. The data is being submitted for publication.
Preliminary data were presented at the 2014 ASH Annual Meeting (abstract 3703).