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Idiopathic pulmonary fibrosis (IPF) is a lethal form of idiopathic diffuse lung disorders for which no current treatment is effective. The aim of the present study was to systematically review the current status and novel therapies of IPF, with emphasis on controlled trials.

The studies selected included randomised controlled trials using drugs alone and/or in combination for the treatment of adults with IPF and meta-analyses, published in English. Abstracts of identified articles were retrieved and articles possibly fulfilling inclusion criteria were retrieved in full. Two reviewers independently assessed trial quality if there were any included studies. Data quality was based on place of publication and relevance to clinical care.

There is a lack of good-quality studies regarding the effectiveness of the most used drugs, including corticosteroids and noncorticosteroid immunosuppressive agents. Oral corticosteroids are the …