Inhale Therapeutic Systems
Pfizer and Aventis are in Phase III study involving 328 patients with type 1 diabetes.
Studies have shown that 90 percent of a drug sprayed or inhaled through the mouth becomes deposited in the pharynx rather than reaching the lungs.
Aradigm and Novo Nordisk are in Phase II study. But are ready for phase III. They say works just as good as insulin.
Alkermes and Eli Lilly are also working on inhale Insulin.