Olverembatinib Granted Breakthrough Therapy Designation for the Treatment of Philadelphia Chromosome-Positive (Ph+) Acute Lymphoblastic Leukemia (ALL)

Core Insights - Ascentage Pharma's drug olverembatinib has received Breakthrough Therapy Designation (BTD) from China's National Medical Products Administration for treating newly-diagnosed patients with Philadelphia chromosome-positive acute lymphoblastic leukemia (Ph+ ALL) in combination with low-intensity chemotherapy [1][2][3] Company Overview - Ascentage Pharma is a global biopharmaceutical company focused on discovering, developing, and commercializing therapies for unmet medical needs, particularly in hematological malignancies [10][11] - The company is listed on both the Hong Kong Stock Exchange and Nasdaq, indicating its global presence and investment appeal [10] Drug Development and Approval - Olverembatinib is the first third-generation BCR-ABL inhibitor approved in China, with prior approvals for chronic-phase chronic myeloid leukemia (CML-CP) and gastrointestinal stromal tumors [5][12] - The drug has been included in the China National Reimbursement Drug List, enhancing its accessibility to patients [5][12] - A global Phase III study has been cleared for olverembatinib in combination with chemotherapy, positioning it to potentially be the first TKI approved for first-line treatment of Ph+ ALL in China [6] Clinical Significance - The incidence rate of ALL in China is approximately 0.69 per 100,000, with Ph+ ALL representing 20%-30% of adult cases, highlighting a significant unmet medical need [4] - Prior to TKIs, the five-year overall survival rate for Ph+ ALL patients treated with chemotherapy was below 20%, underscoring the importance of new treatment options [4] Regulatory and Market Impact - BTDs are granted to innovative drugs that address serious conditions with no existing treatment, allowing for prioritized development and review processes [3] - The recognition of olverembatinib's clinical value by regulatory authorities is expected to accelerate its development and availability to patients [7]