Effect of a mHealth intervention on adherence in adolescents with asthma: A randomized controlled trial.

•Many adolescents with asthma are poorly adherent and have uncontrolled asthma.•Interactive mHealth intervention increases adherence of non-adherent adolescents.•MHealth has no effect on asthma control and quality of life of adolescents.•Tailored mHealth intervention can be useful to improve medication intake of adolescents.