Please assess the completion status of the following clinical trial:

Trial Title: Sup-ER Protocol RCT

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

Eligibility Criteria:
Inclusion Criteria:~* Diagnosis of brachial plexus injury at birth.~* Significant deficit in external rotation and/or supination of the affected limb based on clinical assessment using the Toronto Active Movement Scale at 6 weeks of age (External Rotation ≤ 2 and/or Supination ≤ 2)~* Tightness in Passive Range of Motion of external rotation: any angle of less than 180°.~* Age 6-8 weeks~Exclusion Criteria:~* Neuromuscular disorder~* Unwillingness or inability to comply with the requirements of the study protocol.

- Gender: ALL
- Minimum Age: 6 Weeks
- Maximum Age: 8 Weeks
- Healthy Volunteers: f

Study Arms:
- Sup-ER protocol (Type: EXPERIMENTAL): Early shoulder repositioning (Sup-ER Splint)
- Control (Type: ACTIVE_COMPARATOR): Standard treatment

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