SUNNYVALE, Calif.--(BUSINESS WIRE)--Pharmacyclics, Inc. (Nasdaq:PCYC) today announced that it has begun treating patients in a Phase 1 dose-escalation study to evaluate the safety and tolerability of PCI-32765, an orally available, selective inhibitor of Bruton’s tyrosine kinase, or Btk, as a potential treatment for patients with relapsed or refractory B-cell non-Hodgkin’s lymphoma (NHL). This is the first Btk selective inhibitor to be tested in humans, and is Pharmacyclics’ fourth product in clinical development.
