Despite the global advances made in the treatment for asthma, many studies have shown that asthma remains uncontrolled for a large proportion of patients, when assessed according to international guidelines. A comprehensive market research study has recently been conducted among patients across Asia, in order to try to understand patient perceptions of asthma control and confirms that 50% of patients are uncontrolled. Because patients lack an understanding of what control means, many patients considerably overestimate the extent to which they are successfully managing their condition.