僅用于工業應用或科學研究，不可用于人類或動物的臨床診斷或治療，非藥用. Trevogrumab （REGN-1033） is a monoclonal antibody targeting GDF8 （growth differentiation factor 8, also known as muscle growth inhibitor）. Trevogrumab is used in studies of sarcopenia, including wasting atrophy, chronic diseases, and changes in food and nutritional intake