- History of renal, hepatic, cardiovascular, metabolic, neurologic, hematologic, ophthalmological, respiratory, gastrointestinal, cerebrovascular, or other which could interfere with study or require treatment which might interfere with study. Examples include (but are not limited to) hypertension treated with beta-blockers), active hepatitis, coronary artery disease, arrhythmia, significant QTc prolongation (ie QTcF or QTcB [Fridericia or Bazett corrections, respectively >500 milliseconds (msecs)]) stroke, severe rheumatoid arthritis, chronic open-angle glaucoma or posterior subcapsular cataracts, acquired immune deficiency syndrome (AIDS), or conditions that may interfere with respiratory function such as asthma, bronchiectasis, cystic fibrosis. Others which are well-controlled & stable (eg hypertension not requiring beta-blockers) will not prohibit participation if appropriate to investigator.