Please assess the completion status of the following clinical trial:

Trial Title: Intravenous Dexamethasone for Ropivacaine Axillary Block

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

Eligibility Criteria:
Inclusion Criteria:~* ASA 1,2 et 3~* surgery under axillary brachial plexus block~* aged \>18 years~* signed information consent~Exclusion Criteria:~* impaired coagulation~* contraindication to regional anesthesia or technical impossibility~* opioids or pain killers abuse or addiction~* steroids consumption in the past 6 months~* dementia or under administrative supervision~* delay of surgery to short to allow regional anesthesia~* pregnancy and breastfeeding~* allergy and contraindication to dexamethasone or ropivacaine~* anticipated bad observation of treatment~* patient enrolled in another trial

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

Study Arms:
- intravenous dexamethasone (Type: ACTIVE_COMPARATOR): intravenous injection of 8mg (2ml) of dexamethasone during regional anesthesia
- intravenous placebo (Type: PLACEBO_COMPARATOR): intravenous injection of 2ml of NaCl 0.9% during regional anesthesia

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