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Effectiveness of a Smartphone App for Adolescent Obesity Management

The recruitment status of this study is unknown. The completion date has passed and the status has not been verified in more than two years.
Verified August 2014 by Children's University Hospital, Ireland.
Recruitment status was:  Recruiting
University College Cork
University of Oxford
Information provided by (Responsible Party):
Children's University Hospital, Ireland Identifier:
First received: March 4, 2013
Last updated: August 11, 2014
Last verified: August 2014
Though face-to-face treatment of childhood obesity can be effective, it is time consuming and costly. This study will test whether treatment can be delivered via an Android app and whether such treatment reduces obesity.

Condition Intervention
Impaired Health
Psychosocial Problem
Physical Activity
General Nutrition Disorder
Behavioral: W82GO
Device: smartphone application

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Single Blind (Outcomes Assessor)
Primary Purpose: Treatment
Official Title: An Investigation of the Clinical Effectiveness of Adolescent Weight-management Delivered Via a Portable Device

Further study details as provided by Children's University Hospital, Ireland:

Primary Outcome Measures:
  • BMI Z score [ Time Frame: 12 months ]
    Z score calculated using LMS growth software

Secondary Outcome Measures:
  • Body Fat Mass [ Time Frame: 12 months ]
    Measured using Tanita Bioelectric impedance analyser

  • Physical activity [ Time Frame: 12 months ]
    Measured using Geneactive acclerometery

  • Laboratory tests [ Time Frame: 12 months ]
    Lipids; glucose; insulin; HbA1C; liver function

  • Psychosocial health [ Time Frame: 12 months ]
    Measured using the Child Behaviour Check list

  • Safety [ Time Frame: 12 months ]
    Adverse effects will be monitored throughout the study and a full report at 12 months will be given.

Estimated Enrollment: 126
Study Start Date: February 2013
Estimated Study Completion Date: December 2014
Estimated Primary Completion Date: September 2014 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Active Comparator: W82GO
Usual face-to-face care as per the W82GO multidisciplinary treatment intervention (phase 1 for 6 weeks and phase 2 for 46 weeks).
Behavioral: W82GO
MDT delivered obesity intervention integrating behavioural change methods in order to reduce obesity; improve nutrition; increase physical activity; improve sleep; reduce sedentarism and increase self-esteem
Experimental: Smartphone
Usual care for Phase 1 of treatment. Treatment during Phase 2 of intervention using the Reactivate smartphone application only.
Device: smartphone application
Behavior change smartphone application for adolescents aiming to reduce obesity
Other Name: Reactivate application


Ages Eligible for Study:   12 Years to 17 Years   (Child)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   Yes

Inclusion Criteria:

  • child aged between 12.0 and 17.0 years,
  • child BMI =/> 98th percentile,
  • first language is English (or fluent in English)
  • parent/s willing to participate in the programme with their child
  • completion of written informed consent and/or assent prior to any study-specific procedures

Exclusion Criteria:

  • severe intellectual difficulties,
  • obesity secondary to genetic condition,
  • limitations to engaging in physical activity
  • use of medication known to effect body weight;
  • limitations to using a smartphone device
  • known family issues that would affect general compliance and attendance at follow-up visits.
  Contacts and Locations
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Please refer to this study by its identifier: NCT01804855

Temple Street Children's University Hospital
Dublin, Ireland, Dublin 1
Temple Street Children's University Hospital
Dublin, Ireland
Sponsors and Collaborators
Children's University Hospital, Ireland
University College Cork
University of Oxford
Principal Investigator: Grace O'Malley, MSc BSc Temple Street Children's University Hospital
Study Chair: Amanda Burls, MD, PhD University of Oxford
Study Chair: Sinead Murphy, MD Temple Street Children's University Hospital
Study Director: Ivan Perry, MD, PhD University College Cork
  More Information

Additional Information:
O'Malley G, Brinkley A, Moroney K, McInerney M, Murphy S, Kileen S, Murphy N. Establishing a hospital based obesity service: An Irish Experience. Obesity Facts 2012;5(S10):9.
O'Malley G, Brinkley A, Moroney K, McInerney M, Murphy S, Kileen S, Murphy N. Is the Temple Street W82Go Healthy Lifestyles Programme effective in reducing BMI SDS?. Obesity Facts 2012;5(S10):223

Publications automatically indexed to this study by Identifier (NCT Number):
Responsible Party: Children's University Hospital, Ireland Identifier: NCT01804855     History of Changes
Other Study ID Numbers: TSCUH-2013-1158 
Study First Received: March 4, 2013
Last Updated: August 11, 2014

Keywords provided by Children's University Hospital, Ireland:
Obesity; mobile health; telemedicine; family-based treatment

Additional relevant MeSH terms:
Nutrition Disorders
Body Weight
Signs and Symptoms processed this record on February 17, 2017