S-15 Development of New Drug Delivery Systems for the Treatment of Diabetes and Osteoporosis S15-1 Enhancement of insulin absorption through mucosal membranes using cationic polymers S15-2 Improvement of intestinal and pulmonary absorption of drugs for the treatment of diabetes and osteoporosis using dendrimers S15-3 Development of a novel transdermal patch of bisphosphonates for the treatment of osteoporosis S15-4 Oral and pulmonary administration of calcitonin with polymer-coated liposomes