Please assess the completion status of the following clinical trial:

Trial Title: Popliteal Plexus Block for Total Knee Arthroplasty

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:~* Male or female at least 50 years of age at screening~* Scheduled to undergo primary total knee arthroplasty in spinal anesthesia~* Normal sensory function at the lateral part of the thigh and lower leg~* American Society of Anesthesiologists (ASA) physical status 1, 2, or 3~* Able to provide informed consent~Exclusion Criteria:~* Unable to cooperate and follow the study protocol~* Communication problems~* Allergic towards any medical product administered in the study~* Diabetes requiring medical treatment~* Pregnancy (a pregnancy test will be conducted on all women of childbearing potential prior to inclusion in the study. A positive test result will result in exclusion from the study)~* Preoperative opioid treatment (dosed \> once daily)

- Gender: ALL
- Minimum Age: 50 Years
- Maximum Age: None
- Healthy Volunteers: f

Study Arms:
- Active Popliteal Plexus Block (Type: ACTIVE_COMPARATOR): 10 ml Bupivacaine-Epinephrine 0.5%-1:200,000 Injectable Solution
- Placebo Popliteal Plexus Block (Type: PLACEBO_COMPARATOR): 10 ml Sodium Chloride 0.9 %

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