Evaluate the Safety, Tolerability, Pharmacokinetics, and Preliminary Efficacy of ICP-248 as Monotherapy or in Combination With Anti-CD20 Monoclonal Antibody in Mature B-cell Malignancies

Eligibility Criteria

• 1. Known central nervous system involvement by lymphoma/leukemia.
• 2. Known or suspected history of Richter's transformation.
• 3. Prior autologous stem cell transplant (unless ≥ 3 months since transplant); or prior chimeric cell therapy (unless ≥ 3 months since cell infusion).
• 4. A history of allogeneic stem cell transplantation.
• 5. An interval of less than 5 half-lives from the last dose of a strong CYP3A or CYP2C8 inhibitor or inducer (chemical agent, herbal medicine and dietary supplement) to the first dose of the investigational product, or a plan to use concurrently medications, dietary supplements or food (e.g., grapefruit or grapefruit juice) with strong CYP3A or CYP2C8 inhibitory or inductive effect during study participation
• 6. Presence of active infection that currently requires intravenous systemic anti-infective therapy.
• 7. History of immunodeficiency, including a positive human immunodeficiency virus (HIV) antibody test.
• 8. History of significant cardiovascular disease
• 9. Patients with previous or concomitant central nervous system disorders
• 10. Grade 2 or above toxicity due to prior anti-cancer therapy at screening
• 11. Known alcohol or drug dependence
• 12. Unable to swallow tablets or presence of disease significantly affecting gastrointestinal function such as malabsorption syndrome, resection of the stomach or small bowel, bariatric surgery procedures, symptomatic inflammatory bowel disease, or partial or complete bowel obstruction.