Joseph Chilcot1, Sam Norton1, Myra S Hunter2. 1. Institute of Psychiatry, King's College London, UK. 2. Institute of Psychiatry, King's College London, UK. Electronic address: myra.hunter@kcl.ac.uk.
Abstract
OBJECTIVES:Cognitive behaviour therapy (CBT) has been found to reduce the impact of menopausal symptoms, hot flushes and night sweats. This study investigates the moderators and mediators of CBT for women who had problematic menopausal symptoms following breast cancer treatment. STUDY DESIGN: Analysis of 96 patients with breast cancer induced menopausal symptoms recruited to the MENOS1 trial; 47 were randomly assigned to Group CBT and 49 to usual care. Questionnaires were completed at baseline, 9 and 26 weeks post randomisation. Potential moderators and mediators, including sociodemographic, clinical and psychological factors, of the treatment effect on the primary outcome were examined. MAIN OUTCOME MEASURE: Hot Flush Problem Rating. RESULTS:CBT was effective at reducing problem rating at 9 weeks regardless of age, BMI, time since breast cancer diagnosis, menopausal status at time of diagnosis, or type of cancer treatment (radiotherapy or chemotherapy or endocrine treatment). The treatment effect was significantly greater in women not receiving chemotherapy, those with higher levels of psychological distress at baseline and for non-white women. Beliefs about control/coping with hot flushes were the main mediators of improvement in problem rating following CBT. Beliefs about hot flushes in a social context, depressed mood and sleep problems were also identified as mediators. CONCLUSIONS: These findings suggest that CBT is widely applicable for breast cancer patients who are experiencing treatment related menopausal symptoms, and that CBT works mainly by changing beliefs and improving mood and sleep.
RCT Entities:
OBJECTIVES: Cognitive behaviour therapy (CBT) has been found to reduce the impact of menopausal symptoms, hot flushes and night sweats. This study investigates the moderators and mediators of CBT for women who had problematic menopausal symptoms following breast cancer treatment. STUDY DESIGN: Analysis of 96 patients with breast cancer induced menopausal symptoms recruited to the MENOS1 trial; 47 were randomly assigned to Group CBT and 49 to usual care. Questionnaires were completed at baseline, 9 and 26 weeks post randomisation. Potential moderators and mediators, including sociodemographic, clinical and psychological factors, of the treatment effect on the primary outcome were examined. MAIN OUTCOME MEASURE: Hot Flush Problem Rating. RESULTS: CBT was effective at reducing problem rating at 9 weeks regardless of age, BMI, time since breast cancer diagnosis, menopausal status at time of diagnosis, or type of cancer treatment (radiotherapy or chemotherapy or endocrine treatment). The treatment effect was significantly greater in women not receiving chemotherapy, those with higher levels of psychological distress at baseline and for non-white women. Beliefs about control/coping with hot flushes were the main mediators of improvement in problem rating following CBT. Beliefs about hot flushes in a social context, depressed mood and sleep problems were also identified as mediators. CONCLUSIONS: These findings suggest that CBT is widely applicable for breast cancerpatients who are experiencing treatment related menopausal symptoms, and that CBT works mainly by changing beliefs and improving mood and sleep.
Authors: R Marshall-McKenna; A Morrison; L Stirling; C Hutchison; A M Rice; C Hewitt; L Paul; M Rodger; I R Macpherson; E McCartney Journal: Support Care Cancer Date: 2015-10-08 Impact factor: 3.603
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