Fig. 1From: Metabolomic changes related to airway inflammation, asthma pathogenesis and systemic activity following inhaled fluticasone furoate/vilanterol: a randomized controlled trialTime-course of anti-inflammatory activity of FF/VI. Figure reproduced with permission from Bardsley et al. Respir Res. 2018;19(1):133. Mean exhaled nitric oxide (ppb), during treatment and after cessation of treatment, plotted over time, for placebo (grey line) and FF/VI (black line). Error bars denote the standard error. FF/VI, fluticasone furoate/vilanterol trifenatate; ppb, parts per billionBack to article page