CHESS is a pharmacovigilance program to monitor the safety of treatments for people with inherited bleeding disorders in Canada. 


Hemophilia treatment centres report adverse events directly to the CHESS website and regular surveillance reports are produced.





More Information about CHESS



   Contact Information

Dr. Alfonso Iorio
McMaster University
Dr. Irwin Walker
Hamilton-Niagara Regional Hemophilia Program
Melissa Rattle
CHESS Manager
McMaster University

   Participating Sites


CHESS Systems Login
Restricted Access



Event Reporting




IT Systems Support
+44(0) 161 277 7917




















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