Long-Term Safety and Efficacy of Tegoprubart in Kidney Transplant Recipients

This is a multicenter, open-label, active control extension study to assess the long-term safety and efficacy of AT-1501 (tegoprubart) compared with tacrolimus in the preservation of allograft function after kidney transplantation. The number of patients enrolled for OLE study will depend on the enrollment in the Parent studies. To be eligible for participation in this study, participants must have completed a designated Parent study. Participants in this study will continue the treatment regimen they were receiving in the Parent study. Dose regimens will include either AT-1501 (tegoprubart) or tacrolimus.