The Trial Steering Committee (TSC) is responsible for oversight of the trial in order to safeguard the interests of trial patients. The TSC is comprised of a 75% majority of independent and lay members, as well as the Chief Investigator, representatives of Principal Investigators, a representative of the sponsor, the health economist and senior trial statistician. The committee provides advice to the Chief Investigator, UCL Comprehensive Clinical Trials Unit, the funder and sponsor on all aspects of the trial through its Independent Chair.  The remit of the TSC is to oversee study conduct and advise the TMG.