Which of the following insulin secretagogues agent used in DM type 2 is Contraindicated in MEN or medullary thyroid carcinoma -

which of the following insulin secretagogues agent used in DM type 2 is Contraindicated in MEN or medullary thyroid carcinoma -

  1. GLP - 1 receptor agonist
  2. DPP- IV inhibitors
  3. sulfonylurea
  4. Rapaglinide