- Type 2 Diabetes Mellitus as defined by American Diabetes Association (ADA) at least 1
- Patients were required to have been treated with a stable oral agent regimen involving
2 antidiabetc medications: 1 insulin secretagogue (a sulfonylurea or replabinide) and
1 insulin sensitizer (a thiazolidinedione or metformin).
- Asthma, COPD
- Smoking during the previous 6 months