Mass Balance Study of TS-142 in Healthy Adult Subjects.

Exclusion Criteria

• •Subjects who have received a substance labeled with a radioisotope within the last 12 months prior to dosing of the investigational drug
• •Subjects who have been exposed to a large amount of radiation for therapeutic or diagnostic reasons (CT scan, stomach X-ray, PET scan etc.) within the last 12 months prior to dosing of the investigational drug
• •Occupationally exposed worker in the last 12 months prior to dosing of the investigational drug
• •Subjects who have had 3 days or less that one or more spontaneous defecations (defecation that occurs without laxatives, enemas, disimpaction) within 7 days before consent is obtained and during the 7 days until on the day of admission. Those who have diarrhea during the 7 days until on the day of admission
• •History of any disease or surgery which have impact on investigational drug absorption such as gastrectomy, gastroenterostomy or bowel resection