Lenalidomide After Reduced-intensity Allogeneic Stem Cell Transplantation for Relapsed Multiple Myeloma

"Start between Day+100 and Day+120 post-transplant~\- Initial dose: 5 mg/day every day~In the absence of thrombocytopenia \< 75000/mm3 or neutropenia \< 1000/mm3 (with or without G-CSF), increase to the upper level than the ongoing one every third month up to the maximal dose of 15 mg/day every day.~\- Duration~* until persistent stringent complete response for 3 months~* or progression defined by IMWG criteria12~* or unacceptable toxicity~* or one year after transplant"