Ofatumumab
It is FDA approved for treating chronic lymphocytic leukemia that is refractory to fludarabine and alemtuzumab ( Campath ) and for the treatment of multiple sclerosis . 
<triplet> chronic lymphocytic leukemia <subj> alemtuzumab <obj> drug used for treatment <triplet> alemtuzumab <subj> chronic lymphocytic leukemia <obj> medical condition treated <subj> multiple sclerosis <obj> medical condition treated <triplet> multiple sclerosis <subj> alemtuzumab <obj> drug used for treatment