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Note: This record shows only 22 elements of the WHO Trial Registration Data Set. To view changes that have been made to the source record, or for additional information about this trial, click on the URL below to go to the source record in the primary register.
Register: ChiCTR
Last refreshed on: 14 October 2019
Main ID:  ChiCTR-TRC-10001136
Date of registration: 2010-12-21
Prospective Registration: Yes
Primary sponsor: Department of Paediatrics, Chinese University, Hong Kong
Public title: Effect of adenotonsillectomy on behavioural problems in children with mild obstructive sleep apnoea: a randomized controlled trial
Scientific title: Effect of adenotonsillectomy on behavioural problems in children with mild obstructive sleep apnoea: a randomized controlled trial
Date of first enrolment: 2010-12-28
Target sample size: Two groups:100;
Recruitment status: Recruiting
URL:  http://www.chictr.org.cn/showproj.aspx?proj=8403
Study type:  Interventional study
Study design:  Parallel  
Phase:  N/A
Countries of recruitment
China
Contacts
Name: Mr. Au Chun Ting   
Address:  Department of Paediatrics, 6/F, Clinical Sciences Building, Prince of Wales Hospital, Shatin, N.T.
Telephone: +852 2632 2917
Email: junau@cuhk.edu.hk
Affiliation:  Department of Paediatrics, Falculty of Medicine, The Chinese University of Hong Kong
Name: Dr. Albert Martin Li   
Address:  Department of Paediatrics, 6/F, Clinical Sciences Building, Prince of Wales Hospital, Shatin, N.T.
Telephone: +852 2632 2855
Email: albertmli@cuhk.edu.hk
Affiliation:  Department of Paediatrics, Falculty of Medicine, The Chinese University of Hong Kong
Key inclusion & exclusion criteria
Inclusion criteria: (i) Hong Kong Chinese prepubertal children aged between 6-11 years;
(ii) Mild OSA confirmed by nocturnal PSG (obstructive apnoea hypopnoea index (OAHI) between 1 and 5) and parental report of habitual snoring (at least 3 nights per week);
(iii) Tonsil size grading >=1;
(iv) Written informed consent obtained from parents.

Exclusion criteria: (i) Previous upper airway surgery.
(ii) Diagnosed to have attention deficit hyperactivity disorder (ADHD) or other psychiatric behavioural problems.
(iii) Craniofacial anomalies.
(iv) Severe health problems that could be exacerbated by delayed treatment of OSA.
(v) SpO2 nadir <90% in nocturnal PSG.
(vi) Receiving any forms of treatment for OSA.
(vii) Receiving any medications for allergic rhinitis including nasal corticosteroids and antihistamines within 6 weeks from baseline PSG.
(viii) Parental report that child has reached menarche (female participants).
(ix) Refusal of the surgical procedures.
(x) Obese children, defined as having a BMI of >=95th percentile (corresponding to a z score of 1.645) of the local reference.


Age minimum: 6
Age maximum: 11
Gender: Both
Health Condition(s) or Problem(s) studied
Childhood obstructive sleep apnoea
Intervention(s)
Two groups:Adenotonsillectomy versus close monitoring and direct contact of the research team if necessary;
Primary Outcome(s)
Omission T score of Conners’ continuous performance test (CPT) at 6 months.;
Secondary Outcome(s)
(i) Polysomnographic changes.;(ii) 24-hr blood pressure.;(iii) Attention, assessed by Test of Everyday Attention for Children (TEA-Ch).;(iv) Commission and reaction time T scores of CPT.;(v) Working memory.;(vi) Executive function;(vii) Non-verbal reasoning;(viii) Quality of life;(ix) Child Behavior Checklist (CBCL).;(x) Teacher’s Report Form (TRF).;(xi) Symptoms of attention deficiency / hyperactivity disorder (ADHD) assessed by ADHD rating scale-IV parents version (investigator administered) [3];(xii) Daytime sleepiness assessed by a Chinese version of the Pediatric Daytime Sleepiness Scale (PDSS). [4];(xiii) Fasting insulin and glucose, serum lipid profile and serum inflammatory marker; high sensitive CRP (hs-CRP).;
Secondary ID(s)
CUHK_CCT00277
Source(s) of Monetary Support
Departmental Fund
Secondary Sponsor(s)
Ethics review
Status: Approved
Approval date: 09/12/2011
Contact:
Results
Results available:
Date Posted:
Date Completed:
URL:
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