Safety and Efficacy of SA09012 in Asthma

Inclusion Criteria: * Diagnosis or presence of asthma within 3 months of the prestudy visit 1. Increase in PEF ≥ 20% or ≥ 60L/min from baseline value after taking Bronchodilator at screening or within the 3 months of the prestudy visit 2. Increase in FEV1 ≥ 12% and ≥ 200mL from baseline value after taking Bronchodilator at screening or within the 3 months of the prestudy visit * FEV1 or PEF between 60% and 85% of the predicted value at screening or within the 3 months of the prestudy visit * Having signed an informed consent Exclusion Criteria: * Patient who has severe asthma * Patient who has any significant medical condition that might compromise patient safety, interfere with evaluation or preclude completion of the study other protocol-defined inclusion/exclusion criteria may apply * Patient with an AST or ALT \> 2x ULN (upper limit of normal) in the screening visit * Patient with more than 10 pack year of cigarettes history