Please assess the completion status of the following clinical trial:

Trial Title: Topical Insulin - Utility and Results in Neurotrophic Keratopathy in Stages 2 and 3

Study Design Characteristics:
- Allocation: None
- Intervention Model: None
- Observational Model: CASE_ONLY
- Primary Purpose: None
- Time Perspective: RETROSPECTIVE
- Masking: None
- Phase: None
- Number of Arms: None

Eligibility Criteria:
Inclusion criteria included:~• Eyes with established diagnosis of NK in stages 2 or 3 refractory to standard treatment\* that underwent topical insulin treatment.~The diagnosis of NK was based on the following criteria:~1. Decreased or absence of corneal sensation; AND~2. Corneal injury \[PED and/or corneal ulcer\] refractory to standard treatment\*; AND~3. Clinical history of conditions related to trigeminal innervation impairment;~   * Standard treatment - lubrication with artificial tears, topical and/or oral antibiotics, topical and/or oral steroids, antiviral drugs, punctal plugs, therapeutic CL, amniotic membrane surgery and temporary tarsorrhaphy.´~We excluded every patient with corneal ulcer and signs of infection.

- 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).