Please assess the completion status of the following clinical trial:

Trial Title: Effect of Intravenous Dexamethasone on Duration of Hyperbaric Bupivacaine Spinal Anesthesia in Lower Abdominal Surgery

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

Eligibility Criteria:
Inclusion Criteria:~* Patients with American Society of Anesthesiologists score I-III,~* Patients undergoing lower abdominal surgery under hyperbaric bupivacaine spinal anesthesia~Exclusion Criteria:~* History of allergy to amide LAs or dexamethasone,~* Presence of a preexisting lower limb neurological deficit~* Chronic use of corticosteroids.

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 60 Years
- Healthy Volunteers: f

Study Arms:
- normal saline group (NS) (Type: PLACEBO_COMPARATOR): patients in group( NS ) will receive 500-mL normal saline IV in 5-10 minutes after spinal anesthesia
- dexamethasone group (SD) (Type: ACTIVE_COMPARATOR): patients in group( SD )will receive 8-mg dexamethasone IV in 500-mL normal saline in 5-10 minutes after spinal anesthesia

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