Gene therapy trial hopes to tackle rare Autism-Linked condition

NCT ID NCT06662188

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This early-stage trial tests a single dose of JAG201 gene therapy, given directly into the brain fluid, for people with SHANK3 haploinsufficiency (Phelan-McDermid syndrome), a rare genetic condition causing developmental delays and autism-like symptoms. The study includes children aged 2-9 and may later include adults. The main goal is to check safety and tolerability, while also looking for signs of improvement in sensory and developmental function.

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Study contacts

  • Contact

    Email: •••••@•••••

Locations

  • Boston Children's Hospital

    RECRUITING

    Boston, Massachusetts, 02115, United States

  • Rush University

    RECRUITING

    Chicago, Illinois, 60612, United States

  • Seaver Autism Center at Mount Sinai

    RECRUITING

    New York, New York, 10029, United States

More trials for these conditions

Other studies related to the condition(s) this trial covers.