MLD Learning Zone

Early recognition of MLD matters

MLD is a rare neurodegenerative disorder where every day counts. The earliest signs are often overlooked—mistaken as more common developmental or behavioral conditions. Through the Think Rare Program, we equip frontline healthcare professionals with the insights and tools to spot these early indicators, intervene sooner, and ultimately change the course of a child’s life.

Helpdesk

Helpdesk and AI chatbot

Our helpdesk and AI chatbot help pediatricians instantly navigate our library of expert-led recorded webinars, so they can find exactly the information they need, right when they need it.

Helpdesk
AI Agent
Our Focus

Recognizing MLD

Metachromatic leukodystrophy (MLD) is an inherited lysosomal disorder caused by deficient arylsulfatase A activity, which allows sulfatides to accumulate and progressively strip myelin from the nervous system. It presents within a narrow window: in its most rapid forms, the interval between the first signs and irreversible decline can be very short.

Think MLD

In young children, the earliest signs are usually motor — new clumsiness, frequent falls, toe-walking, or subtle regression — and are easily attributed to normal variation. In older children and adults, behavioral or cognitive change tends to come first. Thinking MLD means reading these changes together, and giving weight to family history where it exists.

Act Early

The late-infantile form progresses fastest, with irreversible decline possible within months rather than years. A blood test and genetic testing can confirm a suspected case once MLD is considered. Acting early means investigating at the point of suspicion — and testing siblings — rather than waiting for the pattern to become unmistakable.

Transform Lives

The approved autologous stem-cell gene therapy offers the greatest benefit before symptoms appear — for late-infantile MLD, before onset entirely; for the early juvenile form, in its earliest symptomatic stages. This is why sibling testing and genetic counseling matter alongside clinical recognition. Multidisciplinary care managing mobility, feeding, and symptoms supports every child throughout.

Live Webinars

Upcoming Webinars

All webinars are free to attend live, and for added flexibility, recordings are available on demand, allowing participants to watch at their own pace after the event. Register for the Upcoming Webinars below

Recorded Webinars

Explore MLD through on-demand
Recorded Webinars

Browse our library of recorded webinars and key takeaways from past sessions. Learn at your own pace with real-world case studies and diagnostic strategies from international MLD specialists.

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Faculty

Meet the Experts behind
the MLD Think Rare Program

Our international faculty comprises leading clinicians and researchers committed to transforming the MLD diagnostic journey.

Program Supporters

Supported by Our Partners in Care

The THINK RARE program is independently developed and managed by EIP with respect to content, topics, and appointed speakers. Unrestricted grants are sought to support EIP's activities; Orchard Therapeutics has provided an unrestricted grant to partially support EIP's work on the early diagnosis of metabolic disorders.