There is a growing body of evidence in this field. Within the UK there are pilot studies completed within the NHS hospital trusts, however it could take some time before a UK based Randomised Controlled Trial (RCT) is completed and the treatment is not likely to become available within the NHS without this.
Here is a selection for you to read:
Impact of spine surgery on signs and symptoms of spinal deformity,
Pediatric Rehabilitation, Month August 2005; 0: 1–21
Weiss, et al. 2006.
Physcial Exercises in the treatment of idiopathic scoliosis at risk of brace treatment
Weiss, et al. 2006.
Indications for conservative management of scoliosis (guidelines)
Negrini, et al. 2006.
Why do we treat adolescent idiopathic scoliosis? what we want to obtain and avoid in our patients SOSORT 2005
Asher and Burton, 2006.
Adolescent idiopathic scoliosis: natural history and long term treatment effects.
Weiss, et al. 2006.
Clinical improvements and radiological progress in a girl with early onset scoliosis (EOS) treated conservatively – a case study report.
Stokes, et al. 2006
Biomechanical spinal growth modulation and progressive adolescent scoliosis Test of the vicious cycle pathogenetic hypothesis: summary of an electronic focus group debate of the IBSE.
Several papers co-authored by firstname.lastname@example.org (AKA Deborah Goodall)
Weiss. H and Goodall. D
The Treatment of Adolescent Iiopathic Scoliosis (AIS) According to the present evidence
European Journal of physical rehabilitation and medicine, 44:177-93.
Weiss. H and Goodall. D, et al
Adolescent idiopathic scoliosis – to operate or not? A debate article
Patient Safety in Surgery 2008, 2:25.
Weiss, H and Goodall, D
Rate of complications in scoliosis surgery – a systematic review ofthe Pub Med literature
Scoliosis 2008, 3:9.
HR. Weiss & R. Klein
Pediatric Rehabilitation, July 2006; 9(3): 190–200
Improving excellence in scoliosis rehabilitation: A controlled study of matched pairs.
Standardising the treatment with Cheneau braces via CAD: Prospects and risks.
OA Musculoskeletal Medicine 2014 May 03;2(1):10.
Tuğba Kuru1 et al
The efficacy of three-dimensional Schroth exercises in adolescent idiopathic scoliosis: A randomised controlled clinical trial
Clinical Rehabilitation, April 2015.
Pugacheva. N and Dudin. M
Corrective Exercises in Multimodality Therapy of Idiopathic Scoliosis in Children – Analysis of Six Weeks Efficiency
Pilot Study, Children’s Rehabilitation Center of Orthopedics and Traumatology “Ogonyok” Saint Petersburg, Russia, 2015.
Marco Monticone, et al
Active self-correction and task-oriented exercises reduce spinal deformity and improve quality of life in subjects with mild adolescent idiopathic scoliosis.
Results of a randomised controlled trial Eur Spine J, Feb 2014.
Improvement of curvature and deformity in a sample of patients with Idiopathic Scoliosis with specific exercises
OA Musculoskeletal Medicine 2014 Mar 12;2(1):6.
Weiss. H and Moramarco. M
Indication for surgical treatment in patients with adolescent Idiopathic Scoliosis – a critical appraisal.
Patient Safety in Surgery 2013 7:17.
History of soft brace treatment in patients with scoliosis: a critical appraisal
Hard Tissue 2013 Jul 01;2(4):35.
Weiss HR, Seibel S, Moramarco M
Adolescent Idiopathic Scoliosis: Etiological concepts and implication for treatment.
OA Musculoskeletal Medicine 2013 Oct 18;1(3):21.
Maruyama, Toru (2008)
‘Bracing adolescent idiopathic scoliosis: A systematic review of the literature of effective conservative treatment looking for end results 5 years after weaning’
Disability & Rehabilitation, 30:10, 786 – 791
Weiss HR, Seibel S, Moramarco M, Kleban A.
Bracing scoliosis: the evolution to CAD/CAM for improved in-brace corrections.
Hard Tissue 2013 Nov 25;2(5):43.
There are also several Cochrane reviews related to scoliosis treatments which you can download from google.