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Obsessive-Compulsive Disorder01:28

Obsessive-Compulsive Disorder

Obsessive-compulsive disorder (OCD) is a mental health condition characterized by recurrent obsessions, compulsions, or both, which consume significant time and interfere with daily functioning. Obsessions involve persistent, intrusive, and unwanted thoughts, images, or urges that evoke anxiety. Common examples include irrational fears of contamination or harm. Compulsions are repetitive behaviors or mental acts performed to reduce the anxiety caused by obsessions. For instance, individuals...
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Internet-based cognitive behaviour therapy for obsessive-compulsive disorder: a randomized controlled trial.

E Andersson1, J Enander, P Andrén

  • 1Department of Clinical Neuroscience, Division of Psychiatry, Karolinska Institutet, Stockholm, Sweden. erik.m.andersson@ki.se

Psychological Medicine
|February 22, 2012
PubMed
Summary
This summary is machine-generated.

Internet-based Cognitive Behaviour Therapy (ICBT) significantly improved obsessive-compulsive disorder (OCD) symptoms compared to supportive therapy. This accessible treatment showed sustained results, offering a viable option for OCD patients.

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Area of Science:

  • Psychiatry
  • Clinical Psychology
  • Digital Health

Background:

  • Cognitive Behaviour Therapy (CBT) is effective for Obsessive-Compulsive Disorder (OCD), but accessibility is limited.
  • Internet-based CBT (ICBT) with therapist support offers a potential solution to improve access.
  • No prior randomized controlled trials (RCTs) have evaluated ICBT for OCD.

Purpose of the Study:

  • To investigate the efficacy of ICBT for OCD in a randomized controlled trial.
  • To compare ICBT with an attention control condition for OCD treatment.
  • To assess the effectiveness and accessibility of ICBT for OCD patients.

Main Methods:

  • A randomized controlled trial involving 101 participants diagnosed with OCD.
  • Participants were randomized to 10 weeks of ICBT or an online supportive therapy control group.
  • The primary outcome measure was the Yale-Brown Obsessive Compulsive Scale (YBOCS) assessed by blinded evaluators.

Main Results:

  • Both ICBT and the control condition led to significant OCD symptom improvements.
  • ICBT demonstrated significantly larger improvements on the YBOCS compared to the control group (Cohen's d = 1.12).
  • Clinically significant improvement was observed in 60% of the ICBT group versus 6% in the control group, with sustained effects at follow-up.

Conclusions:

  • ICBT is an efficacious treatment for OCD.
  • ICBT has the potential to substantially increase access to evidence-based CBT for OCD.
  • Further replication studies are recommended to validate these findings.