Welcome to the new PT-VWD.com website.

Please take a moment to browse through the links in the left side bar to gain more insight about this condition. Several links to Canadian and International bodies for thrombosis and hemostasis can be found in the right side bar.

As always, please feel free to contact the website curator Dr. Maha Othman MD, PhD with any thoughts or suggestions.

Recent News

ISTH Guidance on the diagnosis and management of PT-VWD

August 2020. To help physicians and specialists better diagnose and manage PT-VWD, ISTH has released a guidance document. It is a communication from the Platelet...

New PT-VWD Mutation Reported at ISTH 2020 Virtual Meeting

New PT-VWD Mutation Reported at ISTH 2020 Virtual Meeting

August, 2020. A novel p.R111Q variant in the LLR5 domain of the GPIb alpha is predicted to increase affinity of the protein receptor to its ligand VWF. This was...


Combined PT-VWD & type 2B VWD Phenotype

UPDATE: March 2018. The first report of a combination of two mutations: one in the VWF gene; causing type 2B VWD (p.Pro1266Leu; type 2B VWD Malmö/New York) and...


ISTH Final Report on PT-VWD Registry and Worldwide Efforts Now Published in JTH

May 2106. An overview, progress and update on the research work and collaborative world wide efforts since 2007 is now published in the Journal of Thrombosis and...


ISTH Project to Support PT-VWD Diagnosis & Management

May 10th 2015. An invitation for physicians and specialists caring for PT-VWD patients to participate in an international survey to help generate an evidence-based...


A 6th novel mutation reported to cause PT-VWD

Jan 31st 2014. A new non- previously reported mutation within VWF binding region of GP1BA  gene is now reported in a patient diagnosed with PT-VWD in Argentina....


PT-VWD updates reported to ISTH 2012: SSC-VWF

July 27 2012 Click here for an update http://c.ymcdn.com/sites/www.isth.org/resource/resmgr/yearly_subcommittee_minutes/2012_minutes.pdf


PT-VWD updates reported to ISTH 2011: SSC-VWF

Aug 16 2011 Click here for an update http://www.isth.org/default/index.cfm/ssc1/2011-ssc-subcommittee-minutes/2011-von-willebrand-factor-minutes/