The goal of this retrospective observational study is to learn about the efficacy of ponatinib in Philadelphia-positive ALL (Ph+ ALL) patients in a real-world setting. The main goal of the study is to assess the rate of complete molecular response (CMR) induced by ponatinib in patients treated under the regulations of Law 648/96, outside clinical trials.
Patients who were treated with ponatinib as part of their regular medical care and completed the follow-up period will be included in the study.