<qa>  What was the name of the trial that was designed to examine the efficacy and tolerThis Phase 2, open-label, single-center, randomized clinical trial was designed to examine the efficacy and tolerability of AQUAVAN Injection hereafter, referred to as AQUAVAN when used to preoperatively sedate, induce, and maintain general anesthesia and to postoperatively sedate patients undergoing elective coronary artery surgery. Eligible patients were randomized to either AQUAVAN or DISOPRIVAN Injectable Emulsion hereafter, referred to as DISOPRIVAN following screening and prior to their arrival in the surgical suite. 