"Anti-acid treatment and disease progression in idiopathic pulmonary fibrosis: an analysis of data from three randomised controlled trials"
Lancet Jun 14
http://www.lancet.com/journals/lanres/article/PIIS2213-2600(13)70105-X/fulltext 
"Interpretation

Anti-acid treatment could be beneficial in patients with IPF, and abnormal acid gastro-oesophageal reflux seems to contribute to disease progression. Controlled clinical trials of anti-acid treatments are now needed."