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Family-based therapy for anorexia nervosa: results from a 7-year longitudinal Singapore study

  • Lisa Wong
  • Lee Gan Goh
  • Rajeev RamachandranEmail author
Brief Report
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Abstract

Purpose

To determine the effectiveness of Family-Based Therapy (FBT) as a treatment for Anorexia Nervosa (AN) in adolescents in a Singaporean cohort. FBT has proven effective in studies in the West, but no such study has been done in Asia.

Methods

This is a retrospective analysis of a hospital-based cohort, which included all paediatric patients (≤ 18-years) with AN treated at a tertiary hospital in Singapore between 2011 and 2017 (n = 119). The patients either received manualised FBT (n = 42) or individualized adolescent focussed therapy (non-FBT) (n = 77). Patient characteristics and time to remission were abstracted from patient records. Survival analysis was used to determine median time to remission and remission-free survival rates. Hazard ratios for remission were obtained by cox regression.

Results

Patients in the non-FBT group had a significantly longer time to remission compared with the FBT group after adjustment for age, gender, BMI, psychiatric comorbidity, and ethnicity (p = 0.003, HR = 2.523, 95% CI 1.37–4.64). In the FBT group, the median time to remission was 5.0 months (95% CI 3.4–6.6 months); 11 months shorter than the non-FBT group (p < 0.001, 95% CI 7.9–14.1 months). FBT group remission rates were 69% and 90% at 1 and 2 years, respectively. Non-FBT group remission rates were 30% and 57% at 1 and 2 years, respectively.

Conclusions

This study confirms that FBT is an effective treatment strategy for AN in adolescents in the Asian context. FBT can shorten the illness duration, which reduces disruption to schooling and family life at this critical life stage.

Level of evidence

Level IV, evidence obtained from retrospective review of data before and after the introduction of new intervention.

Keywords

Adolescents Anorexia nervosa Eating disorder Family-based therapy (FBT) 

Notes

Acknowledgements

We would like to thank Dr Dimple Rajgor for her assistance in DSRB application preparation, literature search, writing, editing, formatting, reviewing, and submission of the manuscript for publication. We would also like to thank Dr Shen Liang for her assistance with statistical methods.

Funding

None.

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.

Ethical approval

All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.

Informed consent

The study being a retrospective study, formal informed consent is not required as per our institutional guidelines.

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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  • Lisa Wong
    • 1
    • 2
  • Lee Gan Goh
    • 3
  • Rajeev Ramachandran
    • 1
    • 2
    Email author
  1. 1.Khoo Teck Puat – National University Children’s Medical InstituteNational University Health SystemSingaporeSingapore
  2. 2.Department of Paediatrics, Yong Loo Lin School of MedicineNational University of SingaporeSingaporeSingapore
  3. 3.Department of Family MedicineNational University Health System & Yong Loo Lin School of Medicine, National University of SingaporeSingaporeSingapore

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