ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,734,166, issued on Sept. 15, was assigned to ChemoCentryx Inc. (Thousand Oaks, Calif.).

"Compositions and methods for treating inflammatory bowel disease using CCR9 inhibitor and anti-IL-23 blocking antibodies" was invented by James Campbell (San Jose, Calif.), Israel Charo (Mountain View, Calif.), Thomas Schall (Mountain View, Calif.), Rajinder Singh (Belmont, Calif.), Yibin Zeng (Foster City, Calif.) and Penglie Zhang (Foster City, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided herein are compositions, methods and kits for treating inflammatory bowel disease (IBD) such as Crohn's disease and ulcerative colitis in a mammal in need ther...