Please assess the completion status of the following clinical trial:

Trial Title: Safety and Efficacy of Dextromethorphan and Quinidine in the Treatment of the Pain of Diabetic Neuropathy

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: DOUBLE
- Phase: PHASE3
- Number of Arms: None

Eligibility Criteria:
Inclusion Criteria:~* Diagnosis of diabetes mellitus~* Established diabetic therapy for at least 3 months~* Lab-supported diagnosis of painful diabetic distal symmetric sensory/motor polyneuropathy~* Pain the previous three months~* Not pregnant~Exclusion Criteria:~* Patient failed adequate trial of 3 or more medications or has required narcotics for pain~* History of torsades de pointes~* Sensitivity to quinidine or opiate drugs (codeine, etc)~* Severe pain that could confound the assessment~* Patient has had any amputations~* Patient has participated in the past 30 days or is currently participating in another trial~* Patient has previously received treatment with dextromethorphan and quinidine

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 80 Years
- Healthy Volunteers: f

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