Overview Memantine in Adult Autism Spectrum Disorder Status: Terminated Trial end date: 2010-07-01 Target enrollment: Participant gender: Summary The purpose of this study is to see if memantine is helpful in managing problematic symptoms in adults with autism, Asperger's disorder, or Pervasive Developmental Disorder not otherwise specified (NOS). Phase: N/A Details Lead Sponsor: Johns Hopkins UniversityCollaborator: Forest LaboratoriesTreatments: Memantine