Hi Shiria, I has not been a year, but Oak is doing fine. He continues with the prednisolone, and we added chlorambucil 3x per week. The chlorambucil (trade name= Leukeran) is VERY expensive in the states, and if you can make a trip to Canada, it MUCH cheaper. Take your prescription, and call the pharmacy ahead of time so you only need to pick it up. Hope this helps. Oak has had two blood tests so far to see if the clorambucil is overly suppressing his bone marrow, and he hasn’t had that problem. I give him B12 shots anyway monthly or every two weeks if he seems tired.