小中大请参照FDA指导原则。应该有结论。
1,Guidance for IndustrvMetered Dose Inhaler (MDI) and Dry Powder Inhaler (DPI) Drug Products。
2,Guidance for Industry Nasal Spray and Inhalation Solution, Suspension, and Spray Drug Products — Chemistry, Manufacturing, and Controls Documentation。
虽然药典上没说,但指导原则上可是很清楚的,All aqueous-based oral inhalation solutions, suspensions, and spray drug products must be sterile。所有经口吸入的以水为载体的都必须无菌。
而其他的包括气雾剂、吸入干粉都是要求微生物限度。
对于车间要求,既然是无菌,就应该按照GMP要求的级别设计。