Pollack APA Symposium - Home | Anxiety and Depression ...

Pollack APA Symposium - Home | Anxiety and Depression ...

Cognitive Behavioral Treatment of Generalized Anxiety Disorder The original version of these slides was provided by Michael W. Otto, Ph.D. with support from NIMH Excellence in Training Award at the Center for Anxiety and Related Disorders at Boston University (R25 MH08478) Use of this Slide Set

Presentation information is listed in the notes section below the slide (in PowerPoint normal viewing mode). A bibliography for this slide set is provided below in the note section for this slide. References are also provided in note sections for select subsequent slides. Slide Set Outline

Treatment outcome findings Perspectives across meta analyses Treatment models Similarities (over differences) Elements of treatment What is accomplished in session Future directions Generalized Anxiety Disorder:

Diagnostic Considerations Pervasive worry and chronic arousal Residual category of panic disorder in DSM-III Spheres of worry in DSM-III-R and chronic arousal

Excessive and uncontrollable worry and 3 of 6 symptoms in DSM-IV restless, keyed up, on edge easily fatigued difficulties concentrating irritability muscle tension sleep disturbance Core Patterns in GAD

Uncontrollable worry Future orientation Negative cognitive biases Somatic arousal Role and task inefficiency Interpersonal aversiveness (unbalanced relationships) GAD: Core Treatment Elements

Information Applied Relaxation Cognitive Restructuring (probability estimates, coping estimates) Cue-Controlled Worry (worry times + problem solving) Worry Exposure (including existential topics) Mindfulness Meta-Analyses: 5 Perspectives

All Randomized Trials (pre-post) Norton & Price, 2007 Placebo-Controlled Trials (controlled effect size) Hofmann & Smits, 2008 Elements of Treatment (controlled effect size) Gould et al., 2004 Differential Efficacy (pre-post) Siev & Chambless, 2007 Gould et al., 2004

Effectiveness Trials (pre-post) Stewart & Chambless, 2009 Meta-Analysis of Randomized Anxiety Trials of CBT (within ES) Effect Size (d) Norton & Price, 2007, JNMD

Hofmann & Smits (2008) Meta-Analysis Meta-analysis of well-controlled trials of CBT for anxiety Inclusion criteria: Random assignment to either CBT or placebo The psychological placebo had to involve interventions to control for nonspecific factors (e.g., regular contact with a therapist,

reasonable rationale for the intervention, discussions of the psychological problem) Meta-Analysis of Controlled Trials of CBT (Between ES) Effect Size (g) Hofmann & Smits, 2008, J Clin Psychiatry

Gould et al., 2004 Meta-Analysis 16 studies Mean drop-out rate 11.4% Mean 10.1 hours of treatment No difference in outcome for studies allowing stabilized medications Maintenance of treatment gains across 6 months Effect Size (d)

Meta-Analysis of CBT Gould et al., 2004 Between Groups Specificity of Treatment (Siev & Chambless, 2007, JCCP) GAD

CT = RT Panic Disorder CT* > RT Cognitive Therapy (CT) includes interoceptive exposure Relaxation Therapy (RT)

Meta-Analyses of Effectiveness Studies (Within ES) (Stewart & Chambless, 2009, JCCP) PTSD SAD

Effect Size (d) 3 2.5 2 1.5 1 0.5 0

OCD Panic GAD Agor Comorbidity and Treatment

(Newman et al., 2010) 76 treatment seeking adults with GAD 14 sessions of treatment 60.5% had comorbidity Comorbid diagnosis linked to greater GAD severity at pretreatment Greater change with treatment for those with comorbid depression, social anxiety disorder, specific phobia Normal maintenance of treatment gains

Benefits to social anxiety disorder and specific phobia were maintained over 2 years, whereas benefits to depression were not CBT Models of GAD (Behar et al., 2009, J Anx Dis) Avoidance Model of Worry and GAD

(Borkovec, 1994; Borkovec et al., 2004) Intolerance of Uncertainty Model (Dugas et al., 1995; Freeston et al., 1994) Metacognitive Model (Wells, 1995) Emotion Dysregulation Model

(Mennin et al., 2002) Acceptance-Based Model of Generalized Anxiety Disorder (Roemer & Orsillo, 2002, 2005) Wells (1999) Worry is a chain of catastrophising thoughts that are predominantly verbal. It consists of the

contemplation of potentially dangerous situations and of personal coping strategies. It is intrusive and controllable although it is often experienced as uncontrollable. Worrying is associated with a motivation to prevent or avoid potential danger. Worry itself may be viewed as a coping strategy but can become the focus of concern. Two Types of Worry (Dugas & Ladouceur, 2000)

Situations amenable to problem solving Training in step-by-step problem solving Situations that are not amenable to problem solving (hypothetical problems that never happen) Worry times Worry exposure Avoidance Function of Worry Worry, a verbal process, inhibits vivid mental imagery and associated anxiety (Borkovec)

Evidence that it does attenuate: somatic arousal at rest (Hoehn-Saric & McLeod, 1988; HoehnSaric, McLeod, & Zimmerli, 1989; Lyonfields, Borkovec, & Thayer, 1995; Thayer, Friedman, &Borkovec, 1996) upon subsequent exposure to threat-related material (Borkovec & Hu, 1990; Peasley-Miklus & Vrana, 2000) Worry and Conditioning Non-clinical levels of worry are linked to greater

conditionability (Otto et al., 2008; Hermans et al., 2009) Potential role for rumination in keeping CS UCS link alive Borkovec Encourage a present focus vs. future (past) Leave patients expectancy free

Positive Beliefs About Worries Negative Problem Orientation Problems are threat to well-being Doubt about problem-solving ability Pessimism about problem solving outcome Negative problem orientation is more specific to worry than depression in student samples, and is differentiated from neuroticism

(Robichaud & Dugas, 2005, BRAT) Intolerance of Uncertainty Motivates unnecessary worry-based planning What if X happens, could I cope by All current models tend to underscore avoidance of internal experiences

Cognitive avoidance Emotional avoidance Intolerance of uncertainty Negative cognitive reactions to emotions Combined With Positive beliefs about worry While being concerned about effects of worry Treatment Elements

Borkovec 1. Awareness and self-monitoring 2. Relaxation 3. Cognitive therapy 4. Imagery rehearsal of coping strategies (see Borkovec, 2006 for review) Treatment Elements Wells

Treatment Elements Dugas et al. Relaxation Strategies Progressive Relaxation (PR; e.g., Bernstein & Borkovec, 1973) Applied Relaxation (AR;O st, 1987). AR does include exposure elements

Mechanism of Relaxation Training (Ost, 1992) Reduces general tension and anxiety (and link stressor/panic) Enhances awareness about how anxiety works, demystifying and diminishing its impact Enhances self-efficacy : individuals feel equipped to cope with anxiety

Relaxation Training Feel the difference between tension and relaxation Tense 7 seconds, relax 15 Specific muscle groups to learn the procedure Group them as skill increases Use 10-second relaxation cue The Words of Worry Non-specific and hard to dispute

It will be horrible It will be a disaster Downward Arrow Techniques to clarify worries and put them in a form appropriate for cognitiverestructuring Cognitive Restructuring Self monitoring Logical analysis Probability overestimations

Overestimations of the degree of catastrophe Ability to cope Relapse Prevention in Depression Metacognitive Awareness Classic CT and mindfulness-based CT both enhance metacognitive awareness Level of metacognitive awareness is linked to relapse Changing the relationship people have to their thoughts, rather than changing beliefs, may be important for preventing relapse

(Teasdale et al., 2002) Mindfulness Curious attention to the present moment, in an open, nonjudgmental, and accepting manner (Bishop et al., 2004; Germer, 2005; Kabat-Zinn, 1994) Why Mindfulness?

Hayes and Feldman, 2004 Mindfulness training may enhance emotional regulation by addressing the patterns of over-engagement (e.g., rumination) and under-engagement (avoidance) that characterizes the disorder. Target is a healthy level of engagement that allows clarity and functional use of emotional responses Roemer et al, 2009

Non-clinical symptoms and clinical GAD status linked to lower mindfulness Worry Time Save up the worry (cue specificity) End of the day worry time In office (non-fun) setting 45 min with writing 10 min relaxation skills

Go have fun GAD: Worry Exposure Metaphor: Like watching a scary movie over and over decreased arousal and changed meaning of the worry Apply exposure plus response prevention (including the use of tape loops) The goal is elimination of the worry response via

repeated exposure to core fears This technique should also be coupled with the prescription to worry through one topic and not switch among spheres of worry GAD: Training in Normal Thinking Teach normal thinking as alternative behavior. What does one think about when not preoccupied with worry?

Mindfulness of thinking states that are different from worry (e.g. daydreaming, experiencing, planning, enjoying) Sensory awareness training Staying in the moment Use of worry times Limited effects of exposure on valence/preference Attention ModificationTraining - GAD

29 treatment seeking patients Random assignment (train away vs. no train threat words) 8 sessions over 4 weeks Goal: Change attentional bias Change GAD symptoms Succeeded with both Between group effect size of .80 Least efficacy on worry

(Amir et al., 2009, J Abn Psych) Attention Modification Training - GAD Randomized clinical trial GAD (N = 29) Stimuli: threatening or neutral words 50% of those in the active attention modification program were classified as responders (no longer meeting DSM diagnosis for GAD) vs. 13% in the control condition

(Amir et al., 2009) New Directions Attentional training Mindfulness/emotional tolerance training Interoceptive exposure Integrative treatment

GAD Interpersonal Roles Polarizing the relationship: the worry partner Improving couples problem-solving Conclusions Nice convergence of strategies in the field Need to convincingly beat relaxation training as a first step in care Need to confirm resilience of treatment to

depression (but emergent finding across anxiety disorders) Room for improvement to achieve high end-state functioning

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