4.2 Article

Does Comorbid Anxiety or Depression Moderate Effects of Approach Bias Modification in the Treatment of Alcohol Use Disorders?

Journal

PSYCHOLOGY OF ADDICTIVE BEHAVIORS
Volume 36, Issue 5, Pages 547-554

Publisher

EDUCATIONAL PUBLISHING FOUNDATION-AMERICAN PSYCHOLOGICAL ASSOC
DOI: 10.1037/adb0000642

Keywords

approach bias modification; alcohol dependence; comorbid anxiety disorder; comorbid major depressive disorder; relapse prevention

Funding

  1. Deutsche Rentenversicherung Bund
  2. VIDI grant from the Netherlands Organization of Scientific Research (NWO) [195.041]

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Results of a large-scale randomized controlled trial on alcohol use disorder (AUD) inpatients showed that adding Approach bias modification (ApBM) training to standard care led to higher success rates at the 1-year follow-up. Importantly, the presence of comorbid anxiety/depressive disorders moderated the effects of ApBM, with greater benefits seen in patients with such comorbidity compared to those without.
Objective: Approach bias modification (ApBM) is a promising new add-on training intervention for patients with alcohol use disorder (AUD). Given that comorbid anxiety and major depressive disorders are very common in AUD, and that such comorbidity affects psychological treatments negatively, the primary aim of the present study was investigating whether ApBM training is moderated by anxiety/major depressive disorder comorbidity. The secondary aim was to examine whether ApBM's relapse-preventive effect can be replicated. Method: We conducted a large-scale randomized controlled trial (RCT) in a clinical sample of AUD inpatients (n = 729) with a follow-up assessment after 1 year. All patients received 12 weeks of inpatient treatment as usual (TAU). On top of that, patients were randomized to a 12-session ApBM (TAU + ApBM), and a no-training control condition (TAU-only). Treatment success was defined as either no relapse or a single lapse shorter than 3 days in duration, ended by the patient and followed by at least 4 weeks of abstinence. Failure was defined as relapse, passed away, no contact, or refusal to provide information. Results: We found that TAU + ApBM had significantly higher success rates than TAU-only at 1-year follow-up. Importantly, anxiety/depressive comorbidity moderated ApBM's effects: Adding ApBM to TAU increased success rates more for patients with a comorbid anxiety and/or depressive disorder than for patients without such comorbidity. Conclusions: Our data suggest that adding ApBM to TAU works better in patients with a comorbid anxiety and/or depressive disorder; a promising finding gave the high rates of comorbidity in clinical practice. Public Health Significance Statement This study indicates that patients with an alcohol use disorder (AUD) who received standard care plus training to avoid alcohol cues had less relapse into drinking about a year later compared to patients who only received standard care. This study indicates that among patients with an AUD, it is particularly those who have an additional anxiety or major depressive disorder, who benefit from the alcohol-avoid training.

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