Effectiveness of propagermanium treatment in multiple myeloma patients. Eur J Haematol. 2004 Dec;73(6):397-401. Two patients achieved complete remission (CR), two patients achieved partial remission (PR), and the condition of four patients was stable (stable disease, SD).
Germane Facts About Germanium Sesquioxide: I. Chemistry and Anticancer Properties. J Altern Complement Med. 2004 Apr;10(2):337-44. CEGS induces interferon-gamma (IFN-gamma), enhances natural killer cell activity, and inhibits tumor and metastatic growth–effects often detectable after a single oral dose.