Email this page To: From: Subject: Message: OSTPDL1: Osteosarcoma Clinical Trial - OSTPDL1 is a pediatric cancer clinical trial for children with recurrent or progressive osteosarcoma at St. Jude Children’s Research Hospital. View eligibility and treatment information. - https://www.stjude.org/research/clinical-trials/ostpdl1-osteosarcoma.html A summary of this page will be sent along with your message I am a referring physician Yes, I would like to receive email updates. Send Email Your message has been emailed successfully. Thank you for your interest in St. Jude Children's Research Hospital.