Is Intravenous Immunoglobulin Successful In Preventing Kidney Rejection?

i.v.i.g iv) how successful is this in preventing a kidney rejection with underlying disease condition. iga nephropathy (bergers diseas) transplant date 1999. baseline creatinine 1.6 creatinine went up to 2.1.bun 32
normally 18. dr. prescri bed methylprednisolone and ivig. do they normally need repeat dosers, at what ingtervals???