PMID- 29496758 OWN - NLM STAT- MEDLINE DCOM- 20190506 LR - 20190506 IS - 1399-3003 (Electronic) IS - 0903-1936 (Linking) VI - 51 IP - 4 DP - 2018 Apr TI - Cyclophosphamide in steroid refractory unclassifiable idiopathic interstitial pneumonia and interstitial pneumonia with autoimmune features (IPAF). LID - 1702519 [pii] LID - 10.1183/13993003.02519-2017 [doi] FAU - Wiertz, Ivo A AU - Wiertz IA AD - Interstitial Lung Diseases Center of Excellence, Dept of Pulmonology, St Antonius Hospital, Nieuwegein, The Netherlands. FAU - van Moorsel, Coline H M AU - van Moorsel CHM AD - Interstitial Lung Diseases Center of Excellence, Dept of Pulmonology, St Antonius Hospital, Nieuwegein, The Netherlands. AD - Division of Heart and Lungs, University Medical Centre Utrecht, The Netherlands. FAU - Vorselaars, Adriane D M AU - Vorselaars ADM AD - Interstitial Lung Diseases Center of Excellence, Dept of Pulmonology, St Antonius Hospital, Nieuwegein, The Netherlands. FAU - Quanjel, Marian J R AU - Quanjel MJR AD - Interstitial Lung Diseases Center of Excellence, Dept of Pulmonology, St Antonius Hospital, Nieuwegein, The Netherlands. FAU - Grutters, Jan C AU - Grutters JC AD - Interstitial Lung Diseases Center of Excellence, Dept of Pulmonology, St Antonius Hospital, Nieuwegein, The Netherlands. AD - Division of Heart and Lungs, University Medical Centre Utrecht, The Netherlands. LA - eng PT - Letter PT - Research Support, Non-U.S. Gov't DEP - 20180419 PL - England TA - Eur Respir J JT - The European respiratory journal JID - 8803460 RN - 0 (Adrenal Cortex Hormones) RN - 8N3DW7272P (Cyclophosphamide) SB - IM MH - Adrenal Cortex Hormones/administration & dosage MH - Cyclophosphamide/*administration & dosage MH - Humans MH - Idiopathic Interstitial Pneumonias/*drug therapy MH - Lung/*physiopathology MH - Retrospective Studies MH - Vital Capacity COIS- Conflict of interest: I.A. Wiertz reports that this study is part of a research project (842002003) funded by ZonMw. He has received grants from Boehringer-Ingelheim (50% of travel payment to attend the WASOG 2015 international congress), outside the submitted work. Conflict of interest: J.C. Grutters reports grants from Boehringer-Ingelheim (two advisory board fees of <1000 EUR; and four 50% of travel payments to attend international congresses (ATS 2016, ATS 2015, WASOG 2015 and ATS 2014)), outside the submitted work. EDAT- 2018/03/03 06:00 MHDA- 2019/05/07 06:00 CRDT- 2018/03/03 06:00 PHST- 2017/12/05 00:00 [received] PHST- 2018/02/17 00:00 [accepted] PHST- 2018/03/03 06:00 [pubmed] PHST- 2019/05/07 06:00 [medline] PHST- 2018/03/03 06:00 [entrez] AID - 13993003.02519-2017 [pii] AID - 10.1183/13993003.02519-2017 [doi] PST - epublish SO - Eur Respir J. 2018 Apr 19;51(4):1702519. doi: 10.1183/13993003.02519-2017. Print 2018 Apr.