Apply to trial NCT02683512

A few quick questions so the study team can decide if you might be a fit.

RecruitingClinical trial

GBE Deficiency (GSD IV and APBD) Natural History Study

Collection and review of clinical information related to glycogen branching enzyme (GBE) deficiency, diagnosed as Glycogen Storage Disease Type IV (GSD IV) or Adult Polyglucosan Body Disease (APBD generated during clinic visits.

How this works

Answer a few questions
About 5 to 10 minutes. Skip-friendly where possible.
We connect you with the study team
When a site picks up your application, we introduce you to their team directly — with you on the thread.
The team reaches out to schedule screening
Usually within a few business days, via the contact you give.

EmailWe save your progress under this email and copy you when we connect you with the study team.

I agree that Hipa.ai may share my application — my name, contact details, and my answers, including health information — with the official study team for this trial so they can review my responses and contact me.

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GBE Deficiency (GSD IV and APBD) Natural History Study

How this works

Answer a few questions

We connect you with the study team

The team reaches out to schedule screening