A randomized controlled trial reporting functional outcomes of cognitive-behavioural therapy in medication‑treated adults with ADHD and comorbid psychopathology

Susan Young, Brynjar Emilsson, Jon Fridrik Sigurdsson, Mizanur Khondoker, Florence Philipp-Wiegmann, Gisli Baldursson, Halldora Olafsdottir, Gisli Gudjonsson

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Abstract

Studies assessing psychological treatment of attention deficit hyperactivity disorder (ADHD) in adults are increasingly reported. However, functional outcomes are often neglected in favour of symptom outcomes. We investigated functional outcomes in 95 adults with ADHD who were already treated with medication and randomized to receive treatment as usual (TAU/MED) or psychological treatment (CBT/MED) using a cognitive–behavioural programme, R&R2ADHD, which employs both group and individual modalities. RATE-S functional outcomes associated with ADHD symptoms, social functioning, emotional control and antisocial behaviour were given at baseline, end of treatment and three-month follow-up. The Total composite score of these scales is associated with life satisfaction. In addition, independent evaluator ratings of clinicians who were blind to treatment arm were obtained on the Clinical Global Impression scale at each time point. CBT/MED showed overall (combined outcome at end of treatment and 3-month follow-up) significantly greater functional improvement on all scales. Post-group treatment effects were maintained at follow-up with the exception of emotional control and the Total composite scales, which continued to improve. The largest treatment effect was for the RATE-S Total composite scale, associated with life satisfaction. CGI significantly correlated with all outcomes except for social functioning scale at follow-up. The study provides further evidence for the effectiveness of R&R2ADHD and demonstrates the importance of measuring functional outcomes. The key mechanism associated with improved functional outcomes is likely to be behavioural control.
Original languageEnglish
Pages (from-to)267–276
JournalEuropean Archives of Psychiatry and Clinical Neuroscience
Volume267
Issue number3
Early online date17 Oct 2016
DOIs
Publication statusPublished - Apr 2017

Keywords

  • ADHD
  • RCT
  • Treatment
  • Reasoning and rehabilitation
  • R&R2
  • Cognitive behaviour therapy

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