Pharmacodynamic Bioequivalence Study of Albuterol Sulfate Inhalation Aerosol, 0.09 mg Albuterol Base/ Inhalation

To assess the pharmacodynamic bioequivalence of Albuterol Sulfate Inhalation Aerosol 0.09 mg base/ INH \[Aurobindo Pharma, USA, Inc\] compared to authorized generic drug Albuterol Sulfate HFA Inhalation Aerosol 0.09 mg per actuation \[Teva Pharmaceuticals USA, Inc\] in stable mild asthma patients, under Methacholine induced bronchoprovocation.