Please assess the completion status of the following clinical trial:

Trial Title: Preemptive Analgesia in Total Knee Arthroplasty

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: FACTORIAL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: TRIPLE
- Phase: PHASE2
- Number of Arms: 3.0

Eligibility Criteria:
Inclusion Criteria:~* 55-80 years old patients who come to orthopaedic polyclinic~* underwent TKA procedure~* have osteoarthritis~* consumed pain killer and anti inflamatory drugs routinely~Exclusion Criteria:~* psychiatric disorder~* have history of renal disease~* histroy of chronic neurophatic~* have genu arthritis that caused by rheumatid arthritis and infection~* diabetic and obesity~* coagulopathy~* patients with severe pain that needed immediate analgesia regimen

- Gender: ALL
- Minimum Age: 55 Years
- Maximum Age: 80 Years
- Healthy Volunteers: t

Study Arms:
- Group 1 (Type: ACTIVE_COMPARATOR): celecoxib 400mg and pregabaline 150mg 1 hour before operation
- Group 2 (Type: ACTIVE_COMPARATOR): celecoxib 200mg and pregabaline 75mg twice daily started from 3 days before operation
- Group 3 (Type: PLACEBO_COMPARATOR): No treatment given

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