A regular reader of BSB wrote in asking for an update on Amgen’s blinatumomab, an anti CD3/CD19 bispecific antibody being investigated in B cell adult acute lymphoblastic leukemia (B-ALL) and Non Hodgkins Lymphoma (NHL). It has orphan designation for both indications.

Amgen acquired Micromet and their BiTE program way back in January 2012. At the time, the R&D head, Roger Perlmutter, referred to the exploratory phase II results as being a key driver for their interest in the technology. Like many, I too, was initially enthusiastic about the bispecific antibody when it was with Micromet, since those were very encouraging results in refractory adult ALL, a particularly hard to treat malignancy with a generally poor prognosis.

Unfortunately, since then we’ve heard very little about the program, which seems to have languished in the Amgen portfolio, a not uncommon occurrence when big Pharma/Biotech take over small biotech programs. In the meantime, chimeric antigen receptor (CAR) T cell therapies have arrived to much fanfare, and with it, even more dramatic results that have caught people’s attention.

Is there still a future for blinatumomab and BiTE technology?

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