['social anxiety disorder']
['ketamine', 'saline']

        Inclusion Criteria:

          1. Adult between the ages of 18 and 65 years

          2. Meet DSM IV criteria for Social Anxiety Disorder by structured clinical interview
             (SCID) and have a LSAS >60 with or without co-morbid MDD

        Exclusion Criteria:

          1. Positive pregnancy test

          2. History of substance abuse disorder within the last 6 months or positive urine
             toxicology on screening (within the previous 6 months).

          3. History of pervasive developmental disorder or psychotic disorder by DSM-IV-TR
             criteria

          4. Medical comorbidity that significantly increases the risks associated with ketamine
             infusion (e.g. untreated hypertension, significant cardiovascular disease)
      