Apart from the above delivery devices, a lot of research is ongoing for the newer modes of insulin delivery. Artificial pancreas, islet cell transplant, non-invasive insulin delivery, including oral,
One of the most promising modes of delivery under investigation is that of inhaled insulin. Here, the insulin is delivered through the nasal route unlike the current subcutaneous mode. Thus the insulin is transported through the lungs. Absorption of insulin takes place in the blood stream through the alveolar walls of the lungs.