Is Stem Cell Replacement The Only Option For Multiple Myloma?

Hello doctor, My wife aged 41years is suffering from multiple myloma and she has been taking thalix 200mg along with ecosprin 150 mg and decdak 4mg once every week for the past one and half years. She has reached 80%remission stage according the oncologist who treats her.Besides the above medicines, she is being administered zoletro 4mg every month and she has got two more doses to be given. she has lesion in the hip bone and she couldnot walk freely like normal person do. Oncologist treating her has said stemcell transplantation is the only option to get recovered from the diease. Can she completely recover from the diease?