Expert opinion on biological therapy
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von Willebrand factor (VWF)-related disorders are generally distinguished as either acquired (von Willebrand Syndrome; VWS) or congenital (von Willebrand Disease; VWD). VWD is the most common inherited bleeding disorder and is due to deficiencies and/or defects in VWF. VWS arises from a large variety of causes. ⋯ All these aspects reflect important but sometimes overlooked issues when using replacement therapy, or attempting to follow expert guidelines. Recombinant VWF has been developed and is undergoing clinical trials, and this promising therapy may change the VWD management landscape in the near future.