UKCIRG Observational Database
Welcome to the ARREST Trial website

ARREST (Adjunctive Rifampicin to Reduce Early mortality from STaphyloccocus aureus bacteraemia) is a large randomised clinical trial which is taking place in the UK. It has recruited 770 participants to help find out whether or not giving an antibiotic, called rifampicin, on top of the standard antibiotic, will help sick people with S. aureus blood infections.

This website is designed to provide information about the ARREST Trial, both for people taking part in the trial (participants) and collaborators. Please use the menu to the left of the screen to find out more about the trial.

Latest News

Saturday 22nd April 2017: ARREST trial finds adding rifampicin does not improve outcomes from blood infections

The results for the ARREST trial were presented by Professor Guy Thwaites at the 27th European Congress of Clinical Microbiology and Infectious Diseases (ECCMID) in Vienna on Saturday 22nd April 2017. You can read more about the results at the Medical Research Council Clinical Trials Unit website here.


The latest accrual figures for October 2016 have been released.

The total numbers recruited: 770/770

The ARREST Trial is funded by the National Institute for Health Research’s Health Technology Assessment Programme (Project number 10/104/2,