It's a long shot but there appears to be some success with the Banerji protocol. It's a homeopathic approach that was pioneered in India. One or two have tried this as well as Ayurveda medicine. You can search for these on this site to find the threads discussing them.
Also, spend some time reading through past threads if you can.
Marlene, wife to John DX w/SAA April 2002, Stable partial remission; Treated with High Dose Cytoxan, Johns Hopkins, June 2002. Final phlebotomy 11/2016. As of January 2017, FE is 233, HGB 11.7, WBC 5.1/ANC 4.0, Plts 146K.