Educational resources

Here you’ll find all our downloadable resources and that you may wish to use or share to help increase awareness and knowledge about graft‑versus‑host disease (GvHD).

Extracorporeal photopheresis (ECP)

What is ECP?

This graphic defines extracorporeal photopheresis (ECP) and explains it is a procedure to treat GvHD often when other treatments have not worked.

What steps are involved in ECP?

An overview of the steps in ECP, including drawing blood from the patient, treating it with ultraviolet light, and returning it to the patient.

What are the side effects of ECP?

A summary of the common side effects of ECP, which can include nausea, light sensitivity, and dizziness.

How long is the process of ECP?

This graphic provides an explanation of ECP, including how long the process can take and when a response may be seen.

What is the prognosis after ECP?

An overview of the prognosis for patients with GvHD after undergoing ECP and how organs may respond differently.

GvHD Day 2025

Help raise awareness of graft-versus-host disease by sharing and disseminating our graft-versus-host disease resources for patients and caregivers. If you’re sharing on social media, don’t forget to use the official hashtags #GVHDday #GVHDAlliance #GVHDconnect4hope. We have a range of graphics, patient stories, patient interviews, and so much more!

GvHD Day 2025 - I am supporting (1)

GvHD Day 2025 - I am supporting (2)

GvHD Day 2025 - I am supporting (3)

Know GvHD

Educational resources

Extracorporeal photopheresis (ECP)

GvHD Day 2025