Site Details LOCATION Sao Paolo, Brazil Get Directions Site Type CRS CRS Leader Jose Valdez Madruga, MD valdezmr@uol.com.br 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.