Background: This study investigated the effectiveness of brief psychotherapeutic group interventions in reducing dysfunctional fear of disease progression (FoP). The interventions comprised either cognitive-behavioral group therapy or supportive-experiential group therapy. We tested whether these generic interventions would prove effective in different illness types. Methods: Chronic arthritis in- patients (n = 174) and cancer in-patients (n = 174), respectively, were randomized to receive one of the two interventions. The patients provided data before intervention, at discharge, and at 3 and 12 months of follow-up. FoP was the primary outcome, secondary outcomes were anxiety, depression and quality of life. A treatment-as-usual control group provided data on the primary outcome. Results: Patients with chronic arthritis indicated higher levels of FoP than cancer patients. The results revealed that, compared with no specialized intervention, both group therapies were effective in reducing dysfunctional FoP, but only among cancer patients. The effect sizes were 0.54 (cognitive-behavioral therapy) and 0.50 (supportive experiential therapy). The interventions were not differently effective in reducing the secondary outcomes. Conclusions: Dysfunctional FoP can be effectively targeted with brief group interventions. Psychotherapeutic interventions for reducing FoP should focus on specific illness characteristics.
Prior work demonstrated that cognitive-behavioral (CBT) and supportive-experiential (SET) group interventions can reduce dysfunctional fear of progression (FoP) in patients with chronic diseases. In this secondary analysis of a randomized controlled study, we investigated determinants of long-term response to group therapy for FoP. Response to therapy after 12 months was assessed using the Reliable Change Index (RCI). Outcome data were available for 129 patients with cancer and 116 patients with chronic arthritis. 37.9% of the patients in the CBT group and 32.7% of those attending the SET group indicated response to therapy (p=.402). Educational level predicted long-term response to therapy (OR 2.53, 95% CI 1.33-4.81; p=.005). Medical patients with lower education may need additional attention in order to gain long-lasting benefit from brief group psychotherapy. However, this investigation needs to be replicated in a study that includes a broader range of psychological predictors.
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