Please assess the completion status of the following clinical trial:

Trial Title: Symptom Based Treatment of Neuropathic Pain

Study Design Characteristics:
- Allocation: None
- Intervention Model: SINGLE_GROUP
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: NONE
- Phase: PHASE4
- Number of Arms: 1.0

Eligibility Criteria:
Inclusion Criteria:~* aged than 20 years~* Neuropathic pain symptoms : LANSS (Leeds assessment of neuropathic symptoms and signs) score of 12 and above~* Visual analogue scale score of 3 and above~Exclusion Criteria:~* No pregnancy~* systemic disease~* psychiatric disease

- Gender: ALL
- Minimum Age: 20 Years
- Maximum Age: None
- Healthy Volunteers: f

Study Arms:
- Pregabalin and Oxcarbazpepine (Type: EXPERIMENTAL): Pregabalin and Oxcarbazepine

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