This study will evaluate the bioequivalence as well as rate and extent of absorption of vildagliptin tablet manufactured by Beijing Novartis Pharma Ltd. compared to the imported vildagliptin tablet in Chinese healthy volunteers.

This trial is not recruiting patients in the United States,

Inclusion Criteria:

• Chinese healthy male subjects age 18 to 40 years of age included
• In good health
• Male subjects using a double-barrier local contraception for the entire duration of the study up to study completion visit and refraining from fathering a child in the three months following last study drug administration.
• Body mass index within the range of 19 to 24 kg/m2 and weigh at least 50 kg

Exclusion Criteria:

• Smokers

• Use of any prescription drugs within 4 weeks prior dosing, or over-the-counter medication (vitamins, herbal supplements, dietary supplements) within 2 weeks prior to dosing. Paracetamol is acceptable.

• Participation in any clinical investigation within 4 weeks prior to dosing.

• Donation or loss of 400 ml or more of blood within 8 weeks prior to first dosing, or longer if required by local regulation.

• Significant illness within two weeks prior to dosing.

• A past personal or close family medical history of clinically significant cardiac abnormalities.

• History of:

  • Fainting, low blood pressure when standing, irregular heartbeats,
  • Acute or chronic bronchospastic disease (including asthma and chronic obstructive pulmonary disease, treated or not treated),
  • Clinically significant drug allergy or history of atopic allergy (asthma, urticaria, eczematous dermatitis)
  • Known hypersensitivity to the study drug or similar drugs
  • Any surgical or medical condition which might significantly alter the absorption, distribution, metabolism or excretion of drugs or jeopardize participation in the study.
  • Immunodeficiency diseases, including a positive HIV (ELISA and Western blot) test result.

• Positive Hepatitis B surface antigen (HBsAg) or Hepatitis C test result.

• Drug or alcohol abuse within the 12 months prior to dosing

Other protocol-defined inclusion/exclusion criteria may apply