PT - JOURNAL ARTICLE ED - , TI - Endpoints in asthma drug trials - what do they mean? AID - 10.1136/dtb.2006.44321 DP - 2006 Mar 01 TA - Drug and Therapeutics Bulletin PG - 21--24 VI - 44 IP - 3 4099 - http://dtb.bmj.com/content/44/3/21.short 4100 - http://dtb.bmj.com/content/44/3/21.full SO - Drug Ther Bull2006 Mar 01; 44 AB - There are many potential outcomes or endpoints to choose from to assess the effects of asthma treatments, and a wide range of such measures are used in different trials. This can make it difficult to compare treatment outcomes from different trials and to understand whether new treatments offer a genuine clinical benefit for patients. Here we review the common endpoints used in trials to assess the efficacy of asthma treatments.