Our unique case of Richter's Transformation presenting as leptomeningial infiltration in a CLL patient receiving venetoclax raises questions on whether the drug penetrates the blood-brain barrier and at what extend, especially in reduced doses given for drug-drug interactions.
Keywords: Richter's transformation; blood‐brain barrier; chronic lymphocytic leukemia; leptomeningeal infiltration; venetoclax.
© 2021 The Authors. Clinical Case Reports published by John Wiley & Sons Ltd.