Lead Sponsor: Alexza Pharmaceuticals, Inc.

Intervention / Treatment: COMBINATION_PRODUCT: 3mg AZ-010, COMBINATION_PRODUCT: 1mg AZ010, COMBINATION_PRODUCT: Staccato Placebo

Lead Sponsor: Johns Hopkins Bloomberg School of Public Health

Collaborators: National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK), Massachusetts General Hospital, Johns Hopkins University, Temple University, Wake Forest University, University of Louisville, Texas Tech University Health Sciences Center, El Paso

Lead Sponsor: Johns Hopkins Bloomberg School of Public Health

Collaborators: National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK), Massachusetts General Hospital, Johns Hopkins University, Temple University, Wake Forest University, University of Louisville, Texas Tech University Health Sciences Center, El Paso

Intervention / Treatment: DRUG: Placebo, DRUG: Buspirone