Please assess the completion status of the following clinical trial:

Trial Title: Erector Spinae Block vs Morphine in Vertebral Fixation

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

Eligibility Criteria:
Inclusion Criteria:~* ASA I-II-III~* written informed consent signed~* traumatic or degenerative disease~* adult age (18-65 year old)~Exclusion Criteria:~* allergies to local anesthetics~* contraindications to ESP block execution~* congenital or drug-induced coagulopathies~* infections at the puncture site~* BMI \> 40

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 85 Years
- Healthy Volunteers: f

Study Arms:
- Erector spinae plane block + patient controlled analgesia (PCA) with intravenous morphine (Type: EXPERIMENTAL): Preoperative bilateral ESP block with ropivacaine 0,4% + dexamethasone 4 mg, 20 mL per side, at the median spinal level of intervention.~End-surgery: acetaminophen 1 g ev + 4 mg morphine ev before the end of the intervention.~PCA: morphine 1 mg, max every 30 minutes. Rescue: ketoprofen 100 mg ev, max three times per day.
- Patient controlled analgesia (PCA) with intravenous morphine (Type: ACTIVE_COMPARATOR): End-surgery: acetaminophen 1 g ev + 4 mg morphine ev before the end of the intervention.~PCA: morphine 1 mg, max every 30 minutes. Rescue: ketoprofen 100 mg ev, max three times per day.

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