"Anisa acts like a normal little kid.
She runs, jumps and dances.
And then runs some more."

– Jen, mother of child with MPS I

“Anisa acts like a normal little kid. She runs, jumps and dances. And then runs some more.”

– Jen, mother of child with MPS I

Patients & Caregivers

Find Information and learn about living with MPS I disease.

Healthcare Professionals

Learn about the causes, diagnosis and management of MPS I disease.

What is MPS I?

MPS I disease is an inherited genetic disorder caused by a deficiency in an enzyme called alpha-L-iduronidase. Globally, MPS I occurs in about 1 in every 100,000 births.

Did You Know?

May 15th is International MPS Awareness Day. Join Sanofi Genzyme as we support raising awareness of MPS disease disorders and honoring the individuals and families who are affected.