Echo Therapeutics Inc. is a medical device company with its focus on skin permeation technology. The Company has developed its needle-free skin preparation device, the Prelude SkinPrep System, which is used in the delivery of topical pharmaceuticals. The Company has also developed Symphony CGM System, which is a needle-free, wireless, continuous glucose monitoring system that is designed to provide blood glucose data. Symphony incorporates Prelude, the company�s skin permeation device, a transdermal sensor, a wireless transceiver and a data display technology. The Company completed Prelude SkinPrep System, a 510(k) equivalency study, to determine the efficacy of Prelude in enhancing the onset of the effectiveness of 4% lidocaine cream. Durhalieve is the Company's topical AzoneTS reformulation of triamcinolone acetonide, which is used for the treatment of corticosteroid-responsive dermatoses. Durhalieve has completed Phase III clinical trials.