PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 15703420-13 2005 CONCLUSIONS: Lenalidomide has hematologic activity in patients with low-risk myelodysplastic syndromes who have no response to erythropoietin or who are unlikely to benefit from conventional therapy. Lenalidomide 13-25 erythropoietin Homo sapiens 127-141