Site Details LOCATION Sao Paolo, Brazil Get Directions SiteType CRS CRS Leader Esper Georges Kallas, MD esper.kallas@usp.br 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.