Please assess the completion status of the following clinical trial:

Trial Title: Short-term Effect of Intravitreal Dexamethasone Implant in Refractory Diabetic Macular Edema

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:~* patients with type 1 or type 2 diabetes~* diabetic macular edema involving the foveal center with CRT \>300 μm measured by OCT~* at least 3 and maximum 9 monthly intravitreal injections of anti-VEGF~Exclusion Criteria:~* uncontrolled diabetes (blood glucose ≥ 250 mg/dL at any time~* previous IDI~* any condition precluding adequate fundus visualization~* uncontrolled glaucoma~* papillary excavation ≥ 0.7

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

Study Arms:
- Intravitreal dexamethasone implant (Type: EXPERIMENTAL): All patients were included here and received one intravitreal dexamethasone implant 0.7mg

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