Glanzmann thrombasthenia (GT) is a bleeding syndrome characterized by spontaneous mucocutaneous bleeding and an exaggerated response to trauma due to a constitutional thrombocytopenia.
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
Glanzmann thrombasthenia?
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Advocacy Organizations
Bleeding Disorders Alliance Illinois
The Bleeding Disorders Alliance Illinois exists to improve the quality of life for the inherited bleeding disorders community by supporting individuals and their families with unbiased information and resources which allows them to live healthy and active lives.
CHES Foundation, Inc
The mission of the CHES Foundation, Inc began with Comprehensive Health Education Services in 2009 to provide nSpiration through Education to families and individuals with chronic conditions such as rare bleeding disorders. We create educational experiences that encompass all aspects of individuals lives from medical treatments, social emotional health and family support to create a community.
Hemophilia Foundation of Southern California
“Improving the quality of life and building community for those living with inherited bleeding disorders in Southern California.”
National Center of Hematology and Blood Transfusion
Treatment of patients with blood diseases,scientific-research works
Save One Life, Inc
Empowering individuals and families affected by bleeding disorders in developing countries through direct financial assistance and access to medical treatment.
Wave of Support, Inc
Empowering those affected by bleeding disorders and other rare disease through advocacy, resources, education, and support
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Clinical Trials
For a list of clinical trials in this disease area, please click here.