Please assess the completion status of the following clinical trial:

Trial Title: A Study of the Effectiveness and Safety of Risperidone in the Treatment of Behavioral Disturbances in Patients With Dementia

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: DOUBLE
- Phase: PHASE3
- Number of Arms: None

Eligibility Criteria:
Inclusion Criteria:~* Dementia of the Alzheimer's type with behavioral disturbance, vascular dementia with behavioral disturbance, or mixed dementia, as classified by DSM-IV (the Diagnostic and Statistical Manual of Mental Diseases, 4th edition)~* a score \>=4 on the FAST (Functional Assessment Staging, a diagnosis tool for determining the stage of dementia) and a score \<=23 on the MMSE (Mini-Mental State Examination, a clinical measure used to evaluate cognition)~* a BEHAVE-AD (Behavior Pathology in Alzheimer's Disease Rating Scale) total score \>=8, and a BEHAVE-AD global rating \>=1~* patient must be living in an nursing home for \>=1 month. Exclusion Criteria:~* Patients with other medical or neurological conditions other than dementia in which cognition is diminished (for example, severe anemia, severe liver, heart, lung, and kidney malfunctions, Parkinson's disease)~* diagnosis of depression within the 6 months before study entry, schizophrenia, bipolar affective disorder, or schizoaffective disorder~* history of or moderate to severe tardive dyskinesia, (a condition of uncontrollable movements of the tongue, lips, face, trunk, hands and feet that is seen in patients receiving long-term medication with certain types of antipsychotic drugs)~* abnormal clinical laboratory test findings.

- Gender: ALL
- Minimum Age: 55 Years
- Maximum Age: None
- Healthy Volunteers: f

Based on this trial design, predict the completion outcome and termination type (if applicable).