Please assess the completion status of the following clinical trial:

Trial Title: Study To Evaluate Efficacy And Safety Of An Additional Dose Of Celecoxib (YM177) In Patients With Post-Tooth Extraction Pain

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

Eligibility Criteria:
Inclusion Criteria:~Initial dose:~* 20 to 64 years~* Patients with undergoing mandibular impacted third molar tooth extraction accompanied by lateral bone removal and crown cutting~* Patients with pain that meets both of the following criteria~* Pain intensity (4-categorical): moderate pain or severe pain~* Pain intensity (VAS): 45.0 mm or more~Additional dose:~* Patients with pain that corresponds to 4. Agree or 5. Strongly agree as the answer to the question about the pain intensity during the period from 5 hours to 12 hours post-initial dose of the study drug~Exclusion Criteria:~* Patients with acute inflammatory findings in the oral cavity necessitating treatment~* Patients who are scheduled to receive general anesthesia and analgesics in the process of the eligible tooth extraction

- Gender: ALL
- Minimum Age: 20 Years
- Maximum Age: 64 Years
- Healthy Volunteers: f

Study Arms:
- Celecoxib 400mg (Type: EXPERIMENTAL): None
- Celecoxib 200mg (Type: EXPERIMENTAL): None
- Placebo (Type: PLACEBO_COMPARATOR): None

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