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Sunday 01 December 2002

Novolizer: a multidose dry powder inhaler.

By: Fenton C, Keating GM, Plosker GL.

Drugs 2003;63(22):2437-45; discussion 2447-8

Novolizer is a multidose breath-actuated dry powder inhaler (DPI) approved for use with salbutamol (albuterol) and budesonide. It has multiple patient feedback mechanisms and an inspiratory flow rate threshold designed to optimise dosage. In two studies, children aged 4-11 years with asthma correctly used Novolizer and generated mean peak inspiratory flow rates (PIFRs) through Novolizer of 76 and 92.7 L/min, well above the Novolizer threshold of 35-50 L/min. In healthy volunteers, median lung deposition of budesonide administered via Novolizer was 19.9-32.1% at mean PIFRs of 54-99 L/min. In a randomised, double-blind, single-dose study in patients with chronic obstructive pulmonary disease (COPD) and asthma, the 1-hour improvement from baseline in mean maximum forced expiratory volume in 1 second (FEV(1)) was 21.3% with inhalation of salbutamol through Novolizer, and 19.5% through Sultanol pressurised metered-dose inhaler (MDI). FEV(1) increased significantly in patients with asthma and COPD treated for 4 weeks in a randomised, open-label comparison of salbutamol through either Novolizer or Sultanol MDI. A randomised open-label study in adults with asthma treated with inhaled budesonide found equivalent improvements in FEV(1) and symptoms with Novolizer and Turbuhaler. Novolizer was well accepted overall. Most patients preferred it to previously used MDIs or DPIs. Only 4-5% found the taste feedback unacceptable. Physicians observed improved compliance over 4 weeks in 80% of patients with asthma using Novolizer.

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