2024 North American

Kleefstra Syndrome Family Conference

Join us for the IDefine Family Conference from June 20-23 in Boston! This conference will bring together families, doctors, professionals and fun activities for our Kleefstra Syndrome community!

Building a
brighter future.

IDefine is committed to identifying life-changing treatments & cures for those with Kleefstra syndrome (KS), a neurodevelopmental disorder caused by a loss of function in one copy of the gene EHMT1.

To learn more about IDefine’s current efforts, please read this update of our Foundation Highlights!

Our Blog

CSO Corner Volume 9: Making More Sophisticated Models
Hello fellow members of our KS family! In my last article, I talked about the basic concept of making models to better understand a rare disease like Kleefstra...

Our Online Store

Support our cause

Our “ I Love Someone Rare” Campaign products are available for purchase now. All proceeds….

I Love Someone
Rare T-shirt

I Love Someone Rare
Water Bottle

I Love Someone
Rare Mug

We would love to hear from you.

If you have any questions feel free to contact us. We will be sure to get back to you as soon as possible.