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EuropeResearch and clinical trials

In France, gene therapy delivered to the brain improved movement in 6 children with AADC deficiency

Peer-reviewed publication

A study published in a journal and reviewed by independent scientists. Even so, a single study is not conclusive; it needs to be replicated.

In France, six patients with AADC deficiency received gene therapy delivered to both sides of the brain. Movement skills improved in all patients. Eye-rolling crises (oculogyric crises) decreased. No serious side effects were seen. In the early period there were temporary involuntary movements, which later resolved.

What does it mean for patients and families?

This is a very small group of patients. This treatment is given only at specialist centers; access in Türkiye depends on TİTCK (Turkish Medicines and Medical Devices Agency) and SGK (Social Security Institution) processes.

Source

PubMed (Movement Disorders): Gene Therapy for Amino Acid Decarboxylase Deficiency: Clinical and Imaging Outcomes in a French Cohort.

Scientific paper: Gene Therapy for Amino Acid Decarboxylase Deficiency: Clinical and Imaging Outcomes in a French Cohort. Movement Disorders, 2026. DOI: 10.1002/mds.70422 · PubMed 42389831

The source page was opened and read on October 7, 2026. Summary prepared by the Doktorclub editorial team and translated from Turkish; it has not yet been reviewed by a physician (a scientific board is being set up).

This page is translated from the Turkish original.

This page reports a development; it is not a treatment recommendation. Your doctor decides whether a treatment is right for you.

The information on these pages is for general information only and does not replace medical advice. Talk to your doctor about diagnosis and treatment decisions. In an emergency in Türkiye, call 112.

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This page was translated from Turkish by the Doktorclub editorial team.