Brief treatment of co-occurring post-traumatic stress and depressive symptoms by use of accelerated resolution therapy(®)

Kevin E Kip, Kelly L Sullivan, Cecile A Lengacher, Laney Rosenzweig, Diego F Hernandez, Rajendra Kadel, Frank A Kozel, Amy Shuman, Sue Ann Girling, Marian J Hardwick, David M Diamond, Kevin E Kip, Kelly L Sullivan, Cecile A Lengacher, Laney Rosenzweig, Diego F Hernandez, Rajendra Kadel, Frank A Kozel, Amy Shuman, Sue Ann Girling, Marian J Hardwick, David M Diamond

Abstract

This uncontrolled prospective cohort study evaluated the use of accelerated resolution therapy (ART) for treatment of comorbid symptoms of post-traumatic stress disorder (PTSD) and major depressive disorder. Twenty-eight adult subjects, mean age of 41 years (79% female, 36% Hispanic), received a mean of 3.7 ± 1.1 ART treatment sessions (range 1-5). ART is a new exposure-based psychotherapy that makes use of eye movements. Subjects completed a range of self-report psychological measures before and after treatment with ART including the 17-item PCL-C checklist (symptoms of PTSD) and 20-item Center for Epidemiologic Studies Depression Scale (CES-D). For the PCL-C, the pre-ART mean (±standard deviation) was 62.5 (8.8) with mean reductions of -29.6 (12.5), -30.1 (13.1), and -31.4 (14.04) at post-ART, 2-month, and 4-month follow-up, respectively (p < 0.0001 for comparisons to pre-ART score). Compared to pre-ART status, this corresponded to standardized effect sizes of 2.37, 2.30, and 3.01, respectively. For the CES-D, the pre-ART mean was 35.1 (8.8) with mean reductions of -20.6 (11.0), -18.1 (11.5), and -15.6 (14.4) at post-ART, 2-month, and 4-month follow-up, respectively (p ≤ 0.0001 compared to Pre-ART score). This corresponded to standardized effect sizes of 1.88, 1.58, and 1.09, respectively. Strong correlations were observed at 2-month and 4-month follow-up for post-treatment changes in PTSD and depression symptom scores (r = 0.79, r = 0.76, respectively, p ≤ 0.0002). No serious treatment-related adverse effects were reported. In summary, ART appears to be a promising brief, safe, and effective treatment for adults with clinically significant comorbid symptoms of PTSD and depression. Future controlled and mechanistic studies with this emerging therapy are warranted, particularly given its short treatment duration, and in light of current heightened emphasis on health care cost constraints.

Keywords: PTSD; brief treatment; depression; exposure therapy; eye movements; psychological trauma.

Figures

Figure 1
Figure 1
Flow diagram of screening, enrollment, and treatment completion of study participants.
Figure 2
Figure 2
Distribution of self-report scores on the 17-item PCL-C (left side: possible range of 17–85) and 20-item CES-D (right side: possible range of 0–60) at baseline, post-treatment, and 2- and 4-month follow-up. The rectangles depict the interquartile range; the lower and upper ends of vertical lines depict the fifth and ninety-fifth percentiles, respectively.
Figure 3
Figure 3
Plots of change in PCL-C scores (x-axis) and change in CES-D scores (y-axis). The plots are presented as changes from pre-ART to post-ART (left side); pre-ART to 2-month follow-up (middle); and pre-ART to 4-month follow-up (right side). Pearson correlation coefficients are listed.

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