<qa>  What is the drug that is used to suppress acid suppressive therapy?- Need for concurrent therapy with any acid suppressive therapy other than the study drug, antacids, alginates, NSAIDS, 165 mg ASA, prostaglandin analogs, prokinetic drug, antineoplastic agents, Ketoconazole, Itraconazole, Voriconazole, Clarithromycin, Telithromycin, HIV protease inhibitors, Rifampin, Phenobarbital, or Digoxin 