Shots:  Could a targeted biologic therapy help address the longstanding unmet needs in hypereosinophilic syndrome (HES)? AstraZeneca’s FASENRA has now received US approval for HES, introducing a once-monthly treatment option for patients living with this rare and often underdiagnosed eosinophilic disorder  Results from the Phase III NATRON trial showed that FASENRA reduced the risk of first HES flare by 65% vs placebo,…