Diabetes puzzle

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Across
  1. 3. Euglycemic agent
  2. 4. commonest adverse effect of Saxagliptin
  3. 5. Saxagliptin does not cause ..... gain
  4. 6. ..... cell function Saxagliptin also improves
Down
  1. 1. Saxagliptin is
  2. 2. A third generation Sulphonylurea