Please assess the completion status of the following clinical trial:

Trial Title: Ultrasound-guided Transmuscular Quadratus Lumborum Block for Percutaneous Nephrolithotomy

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: QUADRUPLE
- Phase: PHASE4
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~Scheduled for elective PNL operation in general anaesthesia with propofol and remifentanil.~Received oral and written information about the trial Signed the informed consent American Society of Anesthesiologists (ASA) classification 1-3~Exclusion Criteria:~Cannot cooperate Does not speak or understand Danish Allergy towards drugs used in the trial Large daily consumption of opioids Known alcohol or drug abuse Difficulty or inability to visualize the relevant muscular or fascial structures necessary to perform the USG-TQL block Pregnancy~-

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

Study Arms:
- Ropivacaine TQL block (Type: ACTIVE_COMPARATOR): Unilateral single shot ultrasound-guided TQL block with 30 ml of ropivacaine 0.75%
- Placebo TQL block (Type: PLACEBO_COMPARATOR): Unilateral single shot ultrasound-guided TQL block with 30 ml saline 0.9%

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