Please assess the completion status of the following clinical trial:

Trial Title: Ketamine and Postoperative Depressive Symptom-PASSION

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: QUADRUPLE
- Phase: PHASE2/PHASE3
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~1. Brain tumor located supratentorial area and need to receive elective craniotomy;~2. Moderate to severe depressive symptom measured by the qualified psychiatric doctors.~3. Ages between 18 and 65 years old.~4. American Society of Anesthesiologists physical status I-III~Exclusion Criteria:~1. History of epilepsy;~2. Major depression disorder patients undergoing antidepressive therapy within 2 weeks; 3 Psychiatric illness; 4 Drug abuse; 5 History of allergy to the research drug; 6 Tumor located in the Wernick area, Broca area or the frontal pole; 7 Hyperthyroidism; 8 Patients can not cooperate with investigators on psychiatric assessments; 9 Pregnant or breast-feeding woman; 10 refuse to sign inform consent.

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 65 Years
- Healthy Volunteers: f

Study Arms:
- ketamine group (Type: EXPERIMENTAL): None
- normal saline group (Type: PLACEBO_COMPARATOR): None

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