Maintenance at Initial Treatment With Sequential Anti-Inflammation Reliever Therapy
Conditions
Interventions
- DRUG: Maintenance at initial treatment sequential as-needed therapy with inhaled budesonide-formoterol(Symbicort 160/4.5) ®)
- DRUG: as-needed therapy with inhaled budesonide-formoterol (Symbicort 160/4.5) ®)
Sponsor
Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine