The secondary goal of this study was to assess the effect of mepolizumab on the number of eosinophils in sputum and blood, symptoms, and airflow limitation.

• 这项研究的第二个目标是评价美泊利单抗在血及痰中嗜酸粒细胞的数量、临床症状及气流受限方面所起的效果。