The Drug -Drug Interaction of SP2086 and Glyburide

This is an open-label (volunteers will know the names of treatments they are assigned) single-center and cross-over study of SP2086 and Glyburide in healthy adult volunteers. All subject were randomized into two groups, and the drugs will be administered according to the AB and BA sequences.The A sequence was that Glyburide was taken at 5mg qd dose on Days1,4,5,6,7 and 8; SP2086 will be administered orally (by mouth) as 200mg on Days 8.The B sequence was that SP2086 was taken at 200mg qd dose on Days1,4,5,6,7 and 8; Glyburide will be administered orally (by mouth) as 200mg on Days 8.

Inclusion criteria

• Healthy volunteers with a body mass index(BMI) between 19 and 24 Kg/m2
• Had signed the informed consent himself or herself.

Exclusion criteria

• Have the abnormal lab or other examination results and the change have clinical significance.
• Known allergy to SP2086 or Glyburide or any of the excipients of the formulation of SP2086 or Glyburide.
• History of using the sulfa or sulfonylureas or DPP-IVor GLP-1 drugs or other similar structure drugs.
• History of severe unconsciousness hypoglycemia
• History of any surgery prior to screening in 6 months.
• History of blood donation≥400 mL prior to screening in 3 months or participate in blood donation,or by blood transfusion in one month.
• History of participate any drug or medical device prior to screening in 3 months.
• Within a month before the screening using any prescription drugs, over-the-counter drugs, Chinese herbal medicine (especially oral antidiabetics drugs) or food supplements( vitamins).
• 2 days before the randomization ,the patients can not ban alcohol, tobacco, or reference food or drink containing caffeine or xanthine , or vigorous exercise, or there are other factors that can affect drug absorption, distribution, metabolism and excretion.
• The hepatitis B surface antigen, hepatitis c antibody, HIV antibody and syphilis antibody was positive.
• Pregnancy or lactation women, or a fertility male or female is not willing to contraception during test.
• Researchers considered that there was any situation that may cause the participants can't finish this study or bring any obvious risk to subjects.