Journal Pre-proof Drug discovery and development in idiopathic pulmonary fibrosis: challenges and opportunities Simon Cruwys, Peter Hein, Bob Humphries, Darcey Black PII: S1359-6446(20)30376-7 DOI: https://doi.org/10.1016/j.drudis.2020.09.019 Reference: DRUDIS 2783 To appear in: Drug Discovery Today Received Date: 4 February 2020 Revised Date: 25 August 2020 Accepted Date: 17 September 2020 Please cite this article as: Cruwys, S., Hein, P., Humphries, B., Black, D.,Drug discovery and development in idiopathic pulmonary fibrosis: challenges and opportunities, Drug Discovery Today (2020), doi: https://doi.org/10.1016/j.drudis.2020.09.019 This is a PDF file of an article that has undergone enhancements after acceptance, such as the addition of a cover page and metadata, and formatting for readability, but it is not yet the definitive version of record. This version will undergo additional copyediting, typesetting and review before it is published in its final form, but we are providing this version to give early visibility of the article. Please note that, during the production process, errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain. © 2020 Published by Elsevier.