Letter to the Editor: Extracorporeal photopheresis for graft versus host disease: A hope

Madam, extracorporeal photopheresis (ecp) is an emerging modality in the treatment of graft versus host disease (gvhd) which complicates many haematopoietic stem cell transplants. systemic corticosteroids and other immunosuppressive agents currently used to treat gvhd have unsatisfactory responses and high mortality, signifying the need of a novel therapy.