12:51 PM EDT, 10/03/2024 (MT Newswires) -- AIM ImmunoTech ( AIM ) said Thursday that the US Patent and Trademark Office has granted a patent covering the compositions and methods of its drug Ampligen to treat endometriosis.

Endometriosis is a disease in which tissue similar to the lining of the uterus grows outside the uterus, causing severe pelvic pain and making it difficult or impossible to become pregnant, the company said.