Please assess the completion status of the following clinical trial:

Trial Title: Analgesic Effect of Adductor Canal Block With and Without Dexamethasone for Knee Arthroscopy

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

Eligibility Criteria:
Inclusion Criteria:~* Adult ASA I-II Arthroscopic anterior cruciate ligament reconstruction~Exclusion Criteria:~* patient refusal~* drug allergy~* failed procedure

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

Study Arms:
- group I (Type: ACTIVE_COMPARATOR): Group I (MS): received single shot 20 ml 0.5% isobaric bupivacaine + 2.0 ml normal saline solution injected into the adductor canal preoperatively.
- group II (Type: ACTIVE_COMPARATOR): Group II (MD): received 20 ml 0.5% isobaric bupivacaine + 8.0 mg dexamethasone (2.0 ml) injected into adductor canal preoperatively.

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