The present invention relates to the medical and pharmaceutical use of substituted 1H-imidazo[4,5-c]quinolin-4-amines, in particular Imiquimod® and Gardiquimod®, alone or preferably in combination with Akt inhibitors, in particular with Akti1/2 and AktX, and most preferably with Akti1/2, in the treatment, prevention and/or amelioration of haematological cancers, in particular multiple myeloma disorders or B-cell disorders, and most particular in the therapy of multiple myeloma.
