| Outcome Measures: |
Primary: Area under the curve for insulin from 0-8 hours (AUCins0-8h), Assessment of the linearity of the dose-response curves, 0 to 8 hours following each dose|Maximum concentration of insulin (CMaxIns), Assessment of the linearity of the dose-response curves, up to 12 hours following each dose|Area under the curve for glucose infusion rate from 0-12 hours (AUGgir0-12h), Assessment of the linearity of the dose-response curves, 0 to 8 hours following each dose|Maximum glucose infusion rate (GIRmax), Assessment of the linearity of the dose-response curves, up to 12 hours following each dose | Secondary: Bioavailability, Relative delivery efficiency (FREL) of inhaled human insulin (INH) compared to subcutaneous injected insulin lispro (LIS), 0 to 8 hours following each dose
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