Rituximab therapy prevents focal and segmental glomerulosclerosis recurrence after a second renal transplantation

Vincent Audard1, Nassim Kamar, Dil Sahali

  • 1Service de Néphrologie et Transplantation, Hôpital Henri Mondor, AP-HP, Institut Francilien de recherche en Néphrologie et Transplantation (IFRNT), Paris Est Université Créteil, France.

Insights

Rituximab may prevent focal and segmental glomerulosclerosis (FSGS) recurrence after a second kidney transplant in high-risk patients. This study suggests Rituximab as a promising prophylactic treatment for FSGS allograft recurrence.

Area of Science:

  • Nephrology
  • Immunology
  • Transplantation

Background:

  • Focal and segmental glomerulosclerosis (FSGS) recurrence post-transplant poses a significant risk for graft loss.
  • Preventive strategies for FSGS recurrence, especially in high-risk patients undergoing a second transplant, remain challenging.
  • Previous graft loss due to early FSGS recurrence necessitates novel prophylactic approaches.

Observation:

  • Four patients with a history of FSGS allograft recurrence leading to graft loss underwent a second renal transplantation.
  • These patients received Rituximab as a prophylactic treatment before or after their second transplant.
  • First allograft loss was attributed to early (<3 months) FSGS recurrence, resistant or escaped to plasmapheresis.

Findings:

  • All four patients remained free of FSGS recurrence during follow-up periods ranging from 12 to 54 months post-second transplantation.
  • Rituximab therapy was associated with the absence of FSGS recurrence in this cohort.
  • This represents the first evidence suggesting Rituximab's prophylactic potential in recurrent FSGS.

Implications:

  • Rituximab may offer a viable prophylactic option for patients at high risk of FSGS allograft recurrence.
  • Further research is warranted to confirm these preliminary findings and establish optimal protocols.
  • This approach could improve outcomes for patients undergoing repeat kidney transplantation for FSGS.