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

This study is currently recruiting participants. (see Contacts and Locations)
Verified May 2011 by Chinese University of Hong Kong
Information provided by:
Chinese University of Hong Kong Identifier:
First received: May 20, 2011
Last updated: June 8, 2011
Last verified: May 2011

The purpose of this study is to compare the risk of curve progression in Adolescent Idiopathic Scoliosis for subjects treated with bracing as compared to those without bracing.

Condition Intervention Phase
Device: Thoraco-lumbo-sacral Orthosis
Other: Watchful waiting
Phase 3

Study Type: Interventional
Study Design: Allocation: Randomized
Endpoint Classification: Efficacy Study
Intervention Model: Parallel Assignment
Masking: Single Blind (Outcomes Assessor)
Primary Purpose: Treatment
Official Title: The Use of TLSOs in the Treatment of Adolescent Idiopathic Scoliosis: A Prospective, Randomized Controlled Study

Resource links provided by NLM:

Further study details as provided by Chinese University of Hong Kong:

Primary Outcome Measures:
  • Curve progression [ Time Frame: Till cessation of growth or progression of curve severity to 50 degrees or more, patient will be followed once every 6 months, an average follow up of 3 years is expected ] [ Designated as safety issue: No ]
    Curve progression to Cobb angle of 50 degrees or more

Estimated Enrollment: 40
Study Start Date: May 2011
Estimated Study Completion Date: April 2017
Estimated Primary Completion Date: April 2017 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: Treatment Group
Treatment with bracing
Device: Thoraco-lumbo-sacral Orthosis
Treatment with Thoraco-lumbo-sacral Orthosis for Adolescent Idiopathic Scoliosis
Other Name: The Thoraco-lumbo-sacral Orthosis is fabricated at Prosthetic & Orthotic Department at our research facility(Prince of Wales Hospital, Hong Kong SAR, China)
No Intervention: Control Group
Watchful waiting without bracing
Other: Watchful waiting
Monitoring of spinal deformity without bracing


Ages Eligible for Study:   10 Years to 15 Years
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   No

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
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its identifier: NCT01370057

Contact: Tsz Ping Lam, MB.,BS 852-26323309

Prince of Wales Hospital Recruiting
Hong Kong, China
Contact: Tsz Ping Lam, MB.,BS    852-26323309   
Sponsors and Collaborators
Chinese University of Hong Kong
  More Information

No publications provided

Responsible Party: Jack Chun Yiu CHENG, The Chinese University of Hong Kong Identifier: NCT01370057     History of Changes
Study First Received: May 20, 2011
Last Updated: June 8, 2011
Health Authority: Hong Kong: Department of Health

Keywords provided by Chinese University of Hong Kong:
Adolescent Idiopathic Scoliosis

Additional relevant MeSH terms:
Bone Diseases
Musculoskeletal Diseases
Spinal Curvatures
Spinal Diseases processed this record on November 25, 2014