ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,525,328, issued on Jan. 13, was assigned to International Business Machines Corp. (Armonk, N.Y.).

"Hierarchy-aware adverse reaction embeddings for signal detection" was invented by Venkata Naga Sreeram Joopudi (Yorktown Heights, N.Y.), Bharath Dandala (White Plains, N.Y.) and Ching-Huei Tsou (Briarcliff Manor, N.Y.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods for adverse reaction detection. An electronic input is received, the electronic input comprising a drug and outcome pair. The drug and outcome pair is classified as having one of a positive control and a negative control and a probability measure of an adverse drug event relat...