Please assess the completion status of the following clinical trial:

Trial Title: Combining Observational and Physiologic Sedation Assessment Tools

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: SINGLE
- Phase: PHASE4
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~* Adult~* admitted with a neurological or neurosurgical diagnosis~* intubated and on mechanical ventilatory support~* receiving continuous sedation with propofol~* Glasgow Coma Score \<12~Exclusion Criteria:~* bifrontal brain injury~* status epilepticus~* barbiturate coma therapy~* continuous benzodiazepine administration

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: None
- Healthy Volunteers: f

Study Arms:
- standard-of-care (Type: ACTIVE_COMPARATOR): The standard-of-care group will receive sedation assessment and monitoring with the Ramsay scale, which is the accepted tool at this university
- standard + BIS (Type: EXPERIMENTAL): Subjects in the standard-of-care + BIS group will receive sedation assessment and monitoring using the Ramsay scale and values from the bispectral index (BIS) monitor.

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