Site Details LOCATION San Antonio, TX Get Directions SiteType CRS CRS Leader Thomas Patterson, MD Site Trials COVID-19 and Mpox Closed to accrual A5418: Study of Tecovirimat for Human Mpox Virus A5418 (STOMP) is a study of tecovirimat (also known as TPOXX) for the treatment of human monkeypox virus (HMPXV) disease.