RWE,NIS,Prospective Study for the Effectiveness, Tolerability and Adherence of Asciminib in Saudi Arabia. (ASC4REAL)

Inclusion Criteria: Patients eligible for inclusion in this study must meet all the following criteria: 1. Signed and dated Patient Informed Consent Form obtained. 2. Male or female patients with a diagnosis of Ph+ CML-CP ≥18 years of age with the following laboratory values: 1. \<15% blasts in peripheral blood and bone marrow 2. \<30% blasts plus promyelocytes in peripheral blood and bone marrow 3. \<20% basophils in the peripheral blood 4. ≥50 x 109/L (≥50,000/mm3) platelets 4\. Prior treatment with a minimum of 2 prior TKIs: e. First-generation TKI imatinib f. 2G-TKI dasatinib, nilotinib and bosutinib g. 3G-TKI ponatinib 4. Patients are currently receiving asciminib as per approved local label and independently of study participation. Patients must have started asciminib therapy no more than 6 months prior to their enrollment in the study. Exclusion Criteria: Patients meeting ANY of the following criteria are not eligible for participation: 1. Asciminib based treatment regimen in first or second line. 2. Patients are currently participating in any other clinical trials. 3. Patients who refused to sign informed consent. 4. According to the investigator's opinion, the patient is an unlikely candidate to provide an accurate medical history and/or to obtain long-term follow-up information for any reasons such as unavailability or severe concomitant illnesses.