RT Journal Article SR Electronic A1 Hoyle, Brian T1 CKT Implicated in Worse Outcomes With Ibrutinib Therapy of CLL JF MD Conference Express YR 2014 FD SAGE Publications VO 14 IS 55 SP 16 OP 17 DO 10.1177/1559897715570606 UL http://mdc.sagepub.com/content/14/55/16.2.abstract AB The outcome of patients with chronic lymphocytic leukemia treated with ibrutinib-based regimens indicates that complex metaphase karyotype is a more important predictor of outcome than del(17p). Lack of complex karyotype is associated with less-frequent disease progression. Patients with complex karyotype may be an ideal group in which to study novel treatments.