Please assess the completion status of the following clinical trial:

Trial Title: A Study To Evaluate Pregabalin In Patients With Painful Diabetic Peripheral Neuropathy (DPN)

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

Eligibility Criteria:
Inclusion Criteria:~* Diagnosis of Type 1 or 2 diabetes mellitus.~* Diagnosis of painful DPN for at least 12 months but less than 5 years in duration.~Exclusion Criteria:~* Neurologic Disorders unrelated to diabetic neuropathy that may confuse or confound the assessment of neuropathic pain.~* Presence of any severe pain associated with conditions other than DPN that may confuse or confound the assessment of neuropathic pain.

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

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