Background: Controversy surrounds the questions whether co-occurring depression has negative effects on cognitivebehavioral therapy (CBT) outcomes in patients with panic disorder (PD) and agoraphobia (AG) and whether treatment for PD and AG (PD/AG) also reduces depressive symptomatology. Methods: Post-hoc analyses of randomized clinical trial data of 369 outpatients with primary PD/AG (DSM-IV-TR criteria) treated with a 12-session manualized CBT (n = 301) and a waitlist control group (n = 68). Patients with comorbid depression (DSM-IV-TR major depression, dysthymia, or both: 43.2% CBT, 42.7% controls) were compared to patients without depression regarding anxiety and depression outcomes (Clinical Global Impression Scale [CGI], Hamilton Anxiety Rating Scale [HAM-A], number of panic attacks, Mobility Inventory [MI], Panic and Agoraphobia Scale, Beck Depression Inventory) at post-treatment and follow-up (categorical). Further, the role of severity of depressive symptoms on anxiety/depression outcome measures was examined (dimensional). Results: Comorbid depression did not have a significant overall effect on anxiety outcomes at post-treatment and follow-up, except for slightly diminished post-treatment effect sizes for clinician-rated CGI (p = 0.03) and HAM-A (p = 0.008) when adjusting for baseline anxiety severity. In the dimensional model, higher baseline depression scores were associated with lower effect sizes at post-treatment (except for MI), but not at follow-up (except for HAM-A). Depressive symptoms improved irrespective of the presence of depression. Conclusions: Exposure-based CBT for primary PD/AG effectively reduces anxiety and depressive symptoms, irrespective of comorbid depression or depressive symptomatology.

Background: Data on indirect effects of dementia treatment on caregiver burden obtained from naturalistic studies are still lacking. We explored differences between patients with oral and transdermal application of acetylcholine esterase inhibitors regarding caregiver’s time burden and psychopathology. Methods: A cross-sectional naturalistic cohort study of 403 patients in outpatient care with three treatment groups (none, oral, and transdermal) was conducted. Assessments included a standardized clinical burden questionnaire and a standardized caregiver interview. Results: Any treatment was associated with lower burden in most measures. Transdermal treatment was superior regarding (1) administration time (p < 0.001); (2) rates of administration problems (p = 0.031); (3) burden in activities of daily living (p = 0.008), and (4) caregiver anxiety (OR 0.25; 95% CI 0.05–0.99). Caregivers did not report better quality of life regarding mental/physical health. Physicians’ and caregivers’ ratings of patients’ improvements were not associated (ĸ = 0.01–0.06). Conclusions: Benefits associated with transdermal treatment do not translate into a better ‘generic quality of life’ of the caregiver. The substantially different perceptions of patients’ improvements need to be considered in future studies.

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