Please assess the completion status of the following clinical trial:

Trial Title: The Effects of Intrathecal Dexmedetomidine on Spinal Anesthesia Using Diluted Low-Dose Bupivacaine for Transurethral Resection of Prostate in Elderly

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

Eligibility Criteria:
Inclusion Criteria:~* ASA I-III~* the patient who undergoing elective TURP for benign prostatic hypertrophy under spinal anesthesia~Exclusion Criteria:~* Past history of spine surgery~* infection focus at back~* coagulopathy~* hypersensitivity to local anaesthetics or DMT~* mental disturbance~* neurological disease

- Gender: MALE
- Minimum Age: 65 Years
- Maximum Age: 85 Years
- Healthy Volunteers: f

Study Arms:
- DXM-bupivacaine (Type: EXPERIMENTAL): None
- saline-bupivacaine (Type: PLACEBO_COMPARATOR): None

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