Effectiveness of Exposure-Based Therapy in Treating Anxiety

Anxiety Disorders treated using exposure-based therapy

Effectiveness of Exposure-Based Therapy in Treating Anxiety

Exposure-based therapy is a highly effective treatment for anxiety disorders. However, its application remains significantly underutilised, underscoring the need for greater dissemination and specialised training in this therapeutic approach.

Prevalence of Anxiety Disorders

Anxiety disorders are among the most prevalent mental health conditions, with over a quarter of individuals in the United States experiencing such issues at some point in their lives. Despite the robust evidence supporting exposure-based behavioural therapies as an effective intervention, only a small proportion of patients receive this form of treatment.

For instance, data from the Harvard/Brown Anxiety Research Project indicate that just 23% of treated individuals reported receiving regular imaginal exposure, and only 19% had access to occasional in vivo exposure.

Barriers to Utilisation

Several factors contribute to the underutilisation of exposure-based therapies:

  1. Lack of Specialist Training: Many mental health clinicians do not receive adequate training in exposure-based therapies, limiting their ability to deliver this treatment effectively.
  2. Misconceptions Among Clinicians: Some practitioners harbour unfounded concerns about exposure therapy, fearing it may exacerbate symptoms. This misconception is particularly common among psychologists working with PTSD patients.
  3. Preference for Alternative Treatments: Surveys reveal that many clinicians favour other therapeutic approaches to overexposure therapy despite evidence suggesting that patients often prefer exposure-based methods.

Evidence Supporting Exposure-Based Therapy

Contrary to concerns, research consistently shows that exposure-based therapy does not worsen symptoms or lead to higher treatment dropout rates. On the contrary, it is associated with significant improvements in both symptoms and overall functioning, particularly for individuals with PTSD.

Studies also suggest that patients with trauma histories or PTSD often express a preference for exposure-based interventions over alternative treatments. This highlights the importance of addressing clinician misconceptions to align therapeutic offerings with patient preferences and evidence-based practices.

Call for Action

The research underscores the necessity of prioritising exposure-based therapy as a first-line treatment for various anxiety disorders. Enhancing access to specialist training for clinicians and addressing misconceptions about exposure therapy are critical steps in bridging the gap between research evidence and clinical practice.

Conclusion

Exposure-based therapy offers a powerful and evidence-backed solution for treating anxiety disorders. By expanding training opportunities and fostering awareness among clinicians, this effective therapeutic approach can be more widely utilised to improve outcomes for individuals with anxiety disorders.

References:

 

 

Crits-Christoph, P., Frank, E., Chambless, D. L., Brody, C., & Karp, J. F. (1995). Training in empirically validated treatments: What are clinical psychology students learning? Professional Psychology: Research and Practice, 26(5), 514.

Foa, E. B., Zoellner, L. A., Feeny, N. C., Hembree, E. A., & Alvarez-Conrad, J. (2002). Does imaginal exposure exacerbate PTSD symptoms? Journal of Consulting and Clinical Psychology, 70(4), 1022.

Goisman, R. M., et al. (1993). Utilisation of behavioural methods in a multicentre anxiety disorders study. The Journal of Clinical Psychiatry.

Kessler, R. C., et al. (2005). Lifetime prevalence and age-of-onset distributions of DSM-IV disorders in the National Comorbidity Survey Replication. Archives of General Psychiatry, 62(6), 593-602.

Mancebo, M. C., et al. (2006). The Brown Longitudinal Obsessive Compulsive Study: Treatments received and patient impressions of improvement. The Journal of Clinical Psychiatry, 67(11), 1713-1720.

Torres, A. R., et al. (2007). Treatment seeking by individuals with obsessive-compulsive disorder from the British Psychiatric Morbidity Survey of 2000. Psychiatric Services, 58(7), 977-982.

van Minnen, A., Hendriks, L., & Olff, M. (2010). When do trauma experts choose exposure therapy for PTSD patients? A controlled study of therapist and patient factors. Behaviour Research and Therapy, 48(4), 312-320.