['dementia with lewy bodies']
['rvt-101 35 mg', 'rvt-101 70 mg', 'placebo']

        Inclusion Criteria:

          -  Male or female subject with probable DLB

          -  Mini Mental State Examination (MMSE) score of 14-26 inclusive at Screening and
             Baseline

          -  Patient has the ability to comply with procedures for cognitive and other testing in
             the opinion of the investigator

          -  Patient has a reliable caregiver who is willing to report on the subject's status
             throughout the study

          -  Patients currently receiving therapy for DLB are eligible for enrollment

        Exclusion Criteria:

          -  Atypical clinical features or clinical course that would lead the investigator to
             conclude primary symptoms are more likely explained by an alternate dementia
             diagnosis.

          -  Any clinically relevant concomitant disease that, in the opinion of the investigator,
             makes the patient unsuitable for inclusion in the study.
      