SEATTLE--(BUSINESS WIRE)--Calistoga Pharmaceuticals, Inc., the leader in the development of isoform-selective phosphatidylinositol 3 kinase (PI3K) inhibitors for the treatment of cancer and inflammatory diseases, today announced the presentation of interim results from the ongoing Phase 1 trial evaluating CAL-101, an oral delta-selective PI3K inhibitor, demonstrating promising clinical responses in patients with relapsed or refractory chronic lymphocytic leukemia (CLL). Data were presented at the Thirteenth International Workshop on Chronic Lymphocytic Leukemia in Barcelona, Spain.
