['schizophrenia']
['pf-04958242', 'placebo']

        Key Inclusion Criteria:

          -  Psychiatrically stable (≥3 months) male and female subjects with schizophrenia of
             non-childbearing potential between the ages of 18 and 55 years, inclusive.

          -  Body Mass Index (BMI) of 17.5 to 30.5 kg/m2; and a total body weight >55 kg (121 lbs).

          -  DSM-IV Diagnosis of Schizophrenia; on stable medication treatment regimen ≥2 months.

        Key Exclusion Criteria:

          -  Suicide attempt within 3 months prior to screening.

          -  History of or risk of seizures; head injury with long term abnormal resulting
             condition, abnormal EEG, clinically significant additional diseases or conditions,
             current medication with a significant risk of seizures, currently receiving
             antipsychotic medications.

        NOTE: Other protocol defined Inclusion/Exclusion criteria may apply
      