Eligibility Criteria:
Inclusion Criteria:
1. Healthy adult, aged between 20 to 40 years old.
2. Physically and mentally healthy subjects as confirmed by an interview, medical history, clinical examination, laboratory tests, chest x-ray and electrocardiogram.
* no particular clinical significance in clinical examination and laboratory tests within two months (60 days) prior to Period I dosing.
* normal or considered not clinically significant by the investigator chest X-ray and ECG results within six months (180 days ) prior to Period I dosing.
3. The normal range of the body mass index should be between 18.5 and 25; body mass index equals \[weight (kg)\]/\[height (m)\]2.
4. Normal laboratory determinations result (within normal range or considered not clinically significant by the investigator) including: SGOT (AST), SGPT (ALT), albumin, glucose, creatinine, uric acid, cholesterol, TG, r-GT, alkaline phosphatase, total bilirubin, BUN, HBsAg, Anti-HCV and Anti-HIV test.
5. Normal hematology results (within normal range or considered not clinically significant by the investigator) including: hemoglobin, hematocrit, WBC count with differential, RBC count and platelet count.
6. Normal urinalysis results (within normal range or considered not clinically significant by the investigator) including: glucose, protein, RBC, WBC, epith, casts and bacteria.
7. Female subject who is
* using adequate contraception since last menstruation and no plan for conception during the study,
* non-lactating.
* has negative pregnancy test (urine) within 14 days prior to the study.
8. Informed consent form signed.
Exclusion Criteria:
1. A history of drug or alcohol abuse during the past 24 weeks.
2. Sensitivity to analogous drug.
3. A clinically significant illness (such as significant unintentional weight loss, recurrent vomiting, dysphagia, haematemesis, melaena or gastric ulcer) within the past 4 weeks.
4. Evidence of any clinical significant renal, cardiovascular, hepatic, hematopoietic, neurological, pulmonary or gastrointestinal pathology within the past 4 weeks.
5. Planned vaccination during the time course of the study.
6. Participation of ant clinical investigation during the last 60 days.
7. Regular use of any medication during the last 4 weeks.
8. Single use of any medication during the last 2 weeks.
9. Blood donation of more than 250 mL within the past 12 weeks.
10. Individuals are judged by the investigation or co-investigator to be undesirable as subjects.