瑞士制药商诺华周三表示，美国食品药品监督管理局已扩大诺华一款药物的用途，用于治疗患有导致反复发作瘙痒性风团的慢性皮肤病的成人患者。
The US Food and Drug Administration has expanded the use of Novartis' drug to treat adults with a chronic skin condition that causes recurring itchy welts, the Swiss drugmaker said on Wednesday.