Duong‐Quy 2015.

Trial name or title	Exhaled NO (FeNO) measurement used to determine asthma control, dose of inhaled corticosteroid and cost in a developing country
Methods	People with uncontrolled asthma with FeNO > 25 ppb were included in this study. They were classified into 3 groups according to the intervention used to determine therapy: group 1 (Gr1): used GINA guidelines, group 2 (Gr2): used GINA plus FeNO, and group 3 (Gr3): used only FeNO
Participants	Unknown
Interventions	Group 1 (Gr1): used GINA guidelines, Group 2 (Gr2): used GINA plus FeNO, and Group 3 (Gr3): used only FeNO
Outcomes	ICS dose, exacerbations, cost
Starting date	Unknown
Contact information	Sy Duong‐Quy <sduongquy.jfvp@gmail.com>
Notes	Prof Duong‐Quy was contacted January 2016, when he stated that the article will be submitted in the near future

FeNO: fractional exhaled nitric oxide
 GINA: Global Initiative for Asthma
 ICS: inhaled corticosteroids