Clinical Trials

eTHINK is a large clinical study looking at brain function and behavior in 500-700 children and adolescents with hemophilia ages 1-21 in the USA. The study involves a single 2-3 hour visit with a neuropsychologist. There are no medications or lab tests. Participating families will be able to see their individual results. The study is sponsored by Novo Nordisk in collaboration with an external steering committee.

For information on this topic, please see a short VIDEO featuring a hematologist, neuropsychologist, and mom of two sons with hemophilia available at

If you’re interested in participating, please see a list of participating sites at