A Data and Safety Monitoring Board (DSMB) is foreseen when 50% of the sample size is recruited. The DSMB is charged with monitoring the accumulating data from the clinical trial to detect and report early evidence of pre-specified or unanticipated benefit or harm to trial participants that may be attributable to one of the treatments under evaluation. The DSMB will conduct an independent objective review of all accumulated data from the clinical trial in such a manner as to maximize benefit to the trial participants and to the research effort. Based on this review, the DSMB shall advise the sponsor on the appropriateness of continuing the clinical trial as designed. In order to duly perform its responsibilities, the DSMB will: