Please assess the completion status of the following clinical trial:

Trial Title: Combined Corticosteroid With Low Volume Compared to High Volume in Impingement Syndrome

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

Eligibility Criteria:
Inclusion Criteria:~1. participants with clinically diagnosed the rotator cuff impingement~2. participants aged 20 years and older~3. at least 1 month's duration~4. pain of moderate to severe intensity, defined as a score of 5 or more points on a 10-cm visual analog scale (VAS) rated from 0 (no pain) to 10 (worst imaginable pain)~Exclusion Criteria:~1. patients with adhesive capsulitis of the shoulder (normal radiograph of affected shoulder, and restriction of passive motion \>30° in ≥2 planes of movement)~2. previous trauma history at currently affected shoulder~3. previous corticosteroid injection history at the affected shoulder~4. abnormal calcification and/or primary osteoarthritis of the shoulder joint on plain radiographs~5. use of medication such as antiplatelet agent or anticoagulation.

- Gender: ALL
- Minimum Age: 20 Years
- Maximum Age: None
- Healthy Volunteers: f

Study Arms:
- Lidocaine 3 cc & Triamcinolone Acetonide (Type: EXPERIMENTAL): None
- Lidocaine 9cc & Triamcinolone Acetonide (Type: ACTIVE_COMPARATOR): None

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