As would-be rivals struggled with winning FDA approvals in the last few years, GlaxoSmithKline's key respiratory franchise has reaped the benefit. But now, the company is suffering a setback of its own.
US regulatory advisors are questioning the effectiveness of GlaxoSmithKline’s biologic Nucala as a treatment for patients experiencing a sudden worsening of chronic obstructive pulmonary disorder (COPD).