<prompt> All of the following are true except about GLP - 1 analogues except?All drug have to be given subcutaneouslyExenatide is safe in renal failureThey can lead to acute pancreatitis.Liraglutide can lead to retinopathy  <response>: As GLP - 1 analogues are peptides and they should be given subcutaneously.They stimulate β - cells and chronic use can lead to acute pancreatitis.Liraglutide Semaglutide can cause retinopathy.Exenatide is nephrotoxic and contraindicated in renal failure. 