Site Details LOCATION Sacramento, CA Get Directions Site Type CRS CRS Leader Stuart Cohen, MD stcohen@ucdavis.edu Site Trials Mpox Open and enrolling A5418:Study of Tecovirimat for Human Monkeypox Virus (STOMP) A5418 (STOMP) is a study of tecovirimat (also known as TPOXX) for the treatment of human monkeypox virus (HMPXV) disease.