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Internet-delivered cognitive-behavioural therapy v. conventional guided self-help for bulimia nervosa: long-term evaluation of a randomised controlled trial

  • Gudrun Wagner (a1), Eva Penelo (a2), Christian Wanner (a1), Paulina Gwinner (a1), Marie-Louise Trofaier (a1), Hartmut Imgart (a3), Karin Waldherr (a4), Çiçek Wöber-Bingöl (a1) and Andreas F. K. Karwautz (a1)...

Abstract

Background

Cognitive–behavioural therapy (CBT)-based guided self-help is recommended as a first step in the treatment of bulimia nervosa.

Aims

To evaluate in a randomised controlled trial (Clinicaltrials.gov registration number: NCT00461071) the long-term effectiveness of internet-based guided self-help (INT-GSH) compared with conventional guided bibliotherapy (BIB-GSH) in females with bulimia nervosa.

Method

A total of 155 participants were randomly assigned to INT-GSH or BIB-GSH for 7 months. Outcomes were assessed at baseline, month 4, month 7 and month 18.

Results

The greatest improvement was reported after 4 months with a continued reduction in eating disorder symptomatology reported at month 7 and 18. After 18 months, 14.6% (n = 7/48) of the participants in the INT-GSH group and 25% (n = 7/28) in the BIB-GSH group were abstinent from binge eating and compensatory measures, 43.8% (n = 21/48) and 39.2% (n = 11/28) respectively were in remission. No differences regarding outcome between the two groups were found.

Conclusions

Internet-based guided self-help for bulimia nervosa was not superior compared with bibliotherapy, the gold standard of self-help. Improvements remain stable in the long term.

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Copyright

Corresponding author

Andreas F. K. Karwautz, Eating Disorders Unit at Department of Child and Adolescent Psychiatry, Medical University of Vienna, Waehringer Guertel 18-20; A-1090 Vienna, Austria. Email: andreas.karwautz@meduniwien.ac.at

Footnotes

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Declaration of interest

None.

Footnotes

References

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Internet-delivered cognitive-behavioural therapy v. conventional guided self-help for bulimia nervosa: long-term evaluation of a randomised controlled trial

  • Gudrun Wagner (a1), Eva Penelo (a2), Christian Wanner (a1), Paulina Gwinner (a1), Marie-Louise Trofaier (a1), Hartmut Imgart (a3), Karin Waldherr (a4), Çiçek Wöber-Bingöl (a1) and Andreas F. K. Karwautz (a1)...

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Internet-delivered cognitive-behavioural therapy v. conventional guided self-help for bulimia nervosa: long-term evaluation of a randomised controlled trial

  • Gudrun Wagner (a1), Eva Penelo (a2), Christian Wanner (a1), Paulina Gwinner (a1), Marie-Louise Trofaier (a1), Hartmut Imgart (a3), Karin Waldherr (a4), Çiçek Wöber-Bingöl (a1) and Andreas F. K. Karwautz (a1)...
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