The merger of Pfizer and Allergan might raise broader questions about the fairness – or long-term viability – of the corporate tax code in the US. But it also has generated some angst over Allergan’s future as a stalwart in ophthalmology.

The deal will make HeartWare more of a go-to firm for heart-failure specialists, executives say. It comes soon after St. Jude Medical announced its acquisition of Thoratec, another VAD-focused firm whose technology will now be sold alongside a broader set of tools for heart-failure caregivers.

As it announced the formal European Commission approval of its partnered Polpharma Biologics-developed Tyruko natalizumab biosimilar to Tysabri, Sandoz offered Generics Bulletin a timeframe for its expected launch in Europe.