A prodrug of lidocaine and related local anesthetic composition or formulation for delivery by aerosolization is described. The formulation containing an efficacious amount of lidocaine N-oxide prodrug or local anesthetic N-oxide prodrug able to inhibit inflammation in asthmatic lungs. The N-oxide prodrug is formulated in 5 mL solution of a quarter normal saline having pH between 1.0 and 7.0. The method for treatment of respiratory tract inflammation by a formulation delivered as an aerosol having mass medium average diameter predominantly between 1 to 5 µ, produced by nebulization or dry powder inhaler, and as a single N-oxide prodrug therapeutic or in combination with β-agonists.
本文描述了一种
利多卡因和相关
局部麻醉剂的前药组成物或配方,可通过喷雾给药。该配方含有有效量的
利多卡因N-氧化物前药或局部麻醉N-氧化物前药,能够抑制哮喘肺部的炎症。该N-氧化物前药以5毫升四分之一正常盐
水溶液的形式制备,pH值在1.0至7.0之间。该方法用于通过喷雾给药的配方治疗呼吸道炎症,其质量中等平均直径主要在1到5微米之间,由雾化或干粉吸入器产生,并作为单一的N-氧化物前药治疗或与β-激动剂联合使用。