Research indicates that psychiatric comorbidity can limit the effectiveness of evidence-based psychotherapy interventions. Panic disorder (PD) can be effectively treated with panic control treatment. However, the effectiveness of this intervention with comorbid posttraumatic stress disorder (PTSD) is not well established. This case is about a 57-year-old Vietnam Veteran diagnosed with PD with agoraphobia and comorbid PTSD and depression. The veteran participates in 10 sessions of panic control treatment after limited success with pharmacotherapy. He completed a structured clinical interview and self-report measures at pretreatment, 1-week posttreatment and 3-month follow-up. The veteran’s panic attacks were eliminated prior to completing the protocol. He remained panic free at posttreatment and follow-up but continued to meet criteria for PTSD and depression. These findings indicate that comorbid PTSD and depression do not limit the success of panic control treatment for PD. However, treatment effects do not generalize across anxiety disorders. Implications and recommendations are presented.
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