Effect of volatile versus total intravenous anaesthesia on circulating tumour cells after pancreatic adenocarcinoma resection: multicentre randomized clinical trial.

Competing Interests: Conflict of interest B.B.S. has a patent (04/10/14–20140100278): Injectable formulation for treatment and protection of patients having an inflammatory reaction or an ischemia–reperfusion event; M. Urner, L. K. Limbach, I. K. Herrmann, W. J. Stark, B. Beck-Schimmer, applied as Patent Cooperation Treaty (internationally), July 2009, as well as a patent application on bioconjugates of antibodies and functionalized magnetic nanoparticles. B.B.S. and M.S. received grant money from Sedana Medical (Danderyd, Sweden) as collaborators in a large multicentre study not related to this topic. M.S. and B.B.S. received grant money from Roche Diagnostics International (Rotkreuz, Switzerland) for a clinical trial not related to this topic. The authors declare no other conflict of interest.