A daily shot is still the most effective, if most uncomfortable, form of treatment for many people with a chronic illness. Most pills work too slowly to be of much use for, say, someone with diabetes. But one company is planning a solution: packing ultrasound tech into a pill to orally deliver drugs as efficiently as a shot.
By Lana BirbrairPosted 09.19.2011 at 10:01 am 32 Comments
The design of the hypodermic needle has changed little since 1853, when French surgeon Charles Gabriel Pravaz first attached a hollow, skinpiercing cylinder to a syringe. today, medical-device designers are using micro-scale materials to make the needles shorter and thinner, which makes for less painful shots.
Future vaccination against measles, tuberculosis or even cervical cancer might be as simple as huffing from a plastic sack. Scientists have refined a powdered inhalable vaccine that is slated to undergo human clinical trials for preventing measles later this year in India.
In a successful test of a prototype nanotech vaccine patch, Australian researchers at the University of Queensland used a patch smaller than a postage stamp to deliver vaccine through the skin without needles, and with just 1/100th of the vaccine normally required to evoke a protective immune response, according to Pharmacy News.