Study Status: Terminated
Recruit Status: Terminated
Study Type: Interventional
Official Title: An Open-Label Extension Study to Evaluate the Safety, Tolerability, and Pharmacokinetics of STX209 (Arbaclofen) in Subjects With Autism Spectrum Disorders
Brief Summary: This is an open-label extension protocol that will provide necessary data on the safety, tolerability, pharmacokinetics and efficacy of STX209 among subjects with ASD.