Synonyms: GVH
A rare disease that occurs after allogeneic hematopoietic stem cell transplant and is a reaction of donor immune cells against host tissues. Activated donor T cells damage host epithelial cells after an inflammatory cascade that begins with the preparative regimen.
Data from Orphanet are used to provide information on a disease's name, synonym(s), and overview. Reference: Access aggregated data from Orphanet at Orphadata. Orphadata: Free access data from Orphanet. © INSERM 1999. Available on http://www.orphadata.org. Data version April 2026
Newly diagnosed with
Graft versus host disease?
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Advocacy Organizations
Immune Deficiency Foundation
To improve the diagnosis, treatment and quality of life of people affected by primary immunodeficiency.
Immunocompromised Association
Immunocompromised Association promotes awareness, education, and support for immunocompromised individuals to reduce their inherent health risks in the community.
Patient Access Network (PAN) Foundation
The Patient Access Network (PAN) Foundation is a national patient assistance organization that helps underinsured people with life-threatening, chronic, and rare diseases pay for their out-of-pocket treatment costs, while advocating for more affordable care.
The AIP BIPOC Network
Our mission is to improve the quality of life of the BIPOC Autoimmune Community through Awareness, Advocacy, Action, Assessment and Access.
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Clinical Trials
For a list of clinical trials in this disease area, please click here.