Please assess the completion status of the following clinical trial:

Trial Title: Ethyl Chloride for NPWT

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: SINGLE
- Phase: PHASE4
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~* an orthopaedic/trauma wound and/or surgical incision~* treatment with NPWT as a hospital inpatient~* minimum of at least one NPWT dressing changes or discontinuation of NPWT prior to discharge.~* dressing change in enterostomal therapy department~Exclusion Criteria:~* cognitive impairment preventing informed consent~* history of hypersensitivity to cold/vapocoolant~* outpatient NPWT

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 85 Years
- Healthy Volunteers: f

Study Arms:
- Ethyl Chloride (Type: EXPERIMENTAL): Ethyl Chloride topical anesthetic mist will be sprayed on the area of adhesive during dressing change for patients with negative pressure wound therapy
- Tissue culture grade water (Type: PLACEBO_COMPARATOR): Tissue culture grade water (Nature's Tears Eyemist) will be sprayed on the area of adhesive during dressing change for patients with negative pressure wound therapy

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