Overview To Examine the Lung When People With Diabetes Take an Inhaled Form of Insulin, Compared to Subcutaneous Insulin. Status: Completed Trial end date: 2006-12-01 Target enrollment: Participant gender: Summary To examine the lung when people with diabetes take an inhaled form of insulin, compared to subcutaneous insulin. Phase: Phase 2 Details Lead Sponsor: PfizerCollaborator: SanofiTreatments: InsulinInsulin, Globin Zinc