Published Online: June 18, 2012. doi:10.1001/archsurg.2012.1094
Accepted for Publication: April 5, 2012.
Author Contributions: Drs Ahmed Ali and Boermeester had full access to all the data in the study and take responsibility for the integrity of the data and the accuracy of the data analysis. Drs Ahmed Ali, Nieuwenhuijs, Eijck, Gooszen, van Dam, Busch, Dijkgraaf, van Goor, and Boermeester were members of the protocol committee. Study concept and design: Ahmed Ali, Nieuwenhuijs. van Eijck, van Dam, Busch, van Goor, and Boermeester. Acquisition of data: Ahmed Ali, Nieuwenhuijs, van Dam, Mauritz, Jens, Mast, and van Goor. Analysis and interpretation of data: Ahmed Ali, Nieuwenhuijs, Gooszen, van Dam, Busch, Dijkgraaf, Mauritz, van Goor, and Boermeester. Drafting of the manuscript: Ahmed Ali and Nieuwenhuijs. Critical revision of the manuscript for important intellectual content: Ahmed Ali, Nieuwenhuijs, van Eijck, Gooszen, van Dam, Busch, Dijkgraaf, Mauritz, Jens, Mast, van Goor, and Boermeester. Statistical analysis: Ahmed Ali and Dijkgraaf. Obtained funding: Gooszen. Administrative, technical, and material support: Ahmed Ali, van Eijck, and Mauritz. Study supervision: Nieuwenhuijs, Gooszen, Van Dam, Busch, van Goor, and Boermeester.
Financial Disclosure: Dr Boermeester has received unrestricted grants from Abbott Laboratories Netherlands and Baxter Netherlands for other projects (were not used to fund this study).
Previous Presentation: This paper was presented at the Annual Meeting of the Dutch Association of Gastroenterology; October 6, 2011; Veldhoven, the Netherlands, and the United European Gastroenterology Week; October 26, 2011; Stockholm, Sweden.
Additional Contributions: We thank Uli Beese, MD, PhD, for sharing his expertise with us in formulating recommendations regarding the use of opioids in the treatment of pain in chronic pancreatitis.