Efficacy of Internet-Based Cognitive Behavioral Therapy for Treatment-Induced Menopausal Symptoms in Breast Cancer Survivors: Results of a Randomized Controlled Trial

Atema V1van Leeuwen M1Kieffer JM1Oldenburg HSA1van Beurden M1Gerritsma MA1Kuenen MA1Plaisier PW2Lopes Cardozo AMF3van Riet YEA4Heuff G5Rijna H6van der Meij S7Noorda EM8Timmers GJ9Vrouenraets BC10Bollen M11van der Veen H12Bijker N13Hunter MS14Aaronson NK1.

J Clin Oncol. 2019 Feb 14:JCO1800655. doi: 10.1200/JCO.18.00655. [Epub ahead of print]

 

 

Abstract

PURPOSE:

We evaluated the effect of Internet-based cognitive behavioral therapy (iCBT), with or without therapist support, on the perceived impact of hot flushes and night sweats (HF/NS) and overall levels of menopausal symptoms (primary outcomes), sleep quality, HF/NS frequency, sexual functioning, psychological distress, and health-related quality of life in breast cancer survivors with treatment-induced menopausal symptoms.

PATIENTS AND METHODS:

We randomly assigned 254 breast cancer survivors to a therapist-guided or a self-managed iCBT group or to a waiting list control group. The 6-week iCBT program included psycho-education, behavior monitoring, and cognitive restructuring. Questionnaires were administered at baseline and at 10 weeks and 24 weeks postrandomization. We used mixed-effects models to compare the intervention groups with the control group over time. Significance was set at P < .01. An effect size (ES) of .20 was considered small, .50 moderate and clinically significant, and .80 large.

RESULTS:

Compared with the control group, the guided and self-managed iCBT groups reported a significant decrease in the perceived impact of HF/NS (ES, .63 and .56, respectively; both P < .001) and improvement in sleep quality (ES, .57 and .41; both P < .001). The guided group also reported significant improvement in overall levels of menopausal symptoms (ES, .33; P = .003), and NS frequency (ES, .64; P < .001). At longer-term follow-up (24 weeks), the effects remained significant, with a smaller ES for the guided group on perceived impact of HF/NS and sleep quality and for the self-managed group on overall levels of menopausal symptoms. Additional longer-term effects for both intervention groups were found for hot flush frequency.

CONCLUSION:

iCBT, with or without therapist support, has clinically significant, salutary effects on the perceived impact and frequency of HF/NS, overall levels of menopausal symptoms, and sleep quality.

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