Please assess the completion status of the following clinical trial:

Trial Title: Sulfonylurea Response in Patients With Diabetes Due to Kir6.2 Mutations

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

Eligibility Criteria:
Inclusion Criteria:~* Diabetes due to KCNJ11 (Kir6.2) mutation~Exclusion Criteria:~* None

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

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