Please assess the completion status of the following clinical trial:

Trial Title: Ultrasound Guided Intermediate Cervical Plexus Block for Congenital Muscular Torticollis

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

Eligibility Criteria:
Inclusion Criteria:~* ASA I-II~* Undergoing general anesthesia for unipolar sternocleidomastoid release in patient with congenital muscular torticollis~Exclusion Criteria:~* coagulation disorder~* kidney or liver disease~* allergy to local anesthetics

- Gender: ALL
- Minimum Age: 1 Year
- Maximum Age: 7 Years
- Healthy Volunteers: f

Study Arms:
- Block (Type: EXPERIMENTAL): ultrasound guided intermediate cervical plexus block with 0.25% ropivacaine 0.2 ml/kg.~Fentanyl in postanesthesia care unit(PACU), Ibuprofen in ward when pain scale (FLACC) is equal to or more than 4.
- No block (Type: PLACEBO_COMPARATOR): Fentanyl in PACU, Ibuprofen in ward when pain scale (FLACC) is equal to or more than 4.

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