Please assess the completion status of the following clinical trial:

Trial Title: The Use of Thoraco-lumbo-sacral Orthoses (TLSOs) in the Treatment of Adolescent Idiopathic Scoliosis (AIS)

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

Eligibility Criteria:
Inclusion Criteria:~* Confirmed Diagnosis of AIS~* Age ≥10, ≤15 years old~* Risser 0, 1 or 2~* Primary Cobb angle between 20 and 40 degrees (inclusive)~* Apex (of at least one of the primary curves) caudal to T7~* Pre-menarchal OR post-menarchal by ≤1 year~* Physical and mental ability to adhere to bracing protocol~Exclusion Criteria:~* Diagnosis of other musculoskeletal or developmental illnesses possibly responsible for the curvature~* A history of previous surgical or orthotic treatment~* Inability to read and understand Chinese

- Gender: ALL
- Minimum Age: 10 Years
- Maximum Age: 15 Years
- Healthy Volunteers: f

Study Arms:
- Treatment Group (Type: EXPERIMENTAL): Treatment with bracing
- Control Group (Type: NO_INTERVENTION): Watchful waiting without bracing

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