KOSELUGO® (selumetinib) is the FIRST and ONLY FDA-approved prescription medicine that is used to treat children 2 years of age and older with neurofibromatosis type 1 (NF1) who have plexiform neurofibromas that cannot be completely removed by surgery. It is not known if Koselugo is safe and effective in children under 2 years of age.

Koselugo is proven to reduce the size of plexiform neurofibromas (PN).*

*66% or 33 of 50 patients in the clinical study saw a 20% or more decrease in the size of their plexiform neurofibromas, confirmed by 3D magnetic resonance imaging scan.

For personalized Koselugo support, call 1-888-765-4747 or visit www.AlexionOneSource.com.