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:~* Patients with dementia of the Alzheimer's type, mixed dementia, or vascular dementia, (as classified by the Diagnostic and Statistical Manual of Mental Diseases, 4th edition \[DSM-IV\]) and have behavioral disturbances~* a score \>=4 on the FAST~* a score \<=23 on the MMSE~* a BEHAVE-AD total score \>=8, and a BEHAVE-AD global rating \>=1~* must be institutionalized.~Exclusion Criteria:~* Patients with other medical or neurological conditions in which cognition (thinking, perception, learning, verbal communication, memory, judgment) is diminished (for example, drug overdosage, severe liver, heart, lung, and kidney malfunctions, Parkinson's disease)~* other psychiatric disorders, including major depression, schizophrenia, substance abuse or dependence~* abnormal electrocardiogram (ECG) findings~* 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).