- Patient with other serious diseases, in the investigator's opinion, can bring patients great risk. Including but not limited to the following: unstable cardiac diseases (history of myocardial infarction within 6 months prior to Day 1, New York Heart Association Class III or greater, with poorly controlled atrial fibrillation or hypertension), need long-term steroids or immunosuppressive therapy of diseases, such as rheumatoid arthritis, multiple sclerosis and systemic lupus erythematosus