ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,734,274, issued on Sept. 15, was assigned to University of Pittsburgh-Of the Commonwealth System of Higher Education (Pittsburgh).

"Methods for preparation of a terminally sterilized hydrogel or colloidal suspension derived from extracellular matrix, and uses thereof" was invented by Stephen Francis Badylak (West Lafayette, Ind.) and George S. Hussey (Cranberry Township, Pa.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method is disclosed for treating a fistula in a subject, such as, but not limited to, an anal fistula. In some embodiments, the method includes administering locally to the fistula in the subject an effective amount of a composition ...