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Smartphone Psychotherapy Reduces Fear of Cancer Recurrence Among Breast Cancer Survivors: A Fully Decentralized Randomized Controlled Clinical Trial (J-SUPPORT 1703 Study) by Tatsuo Akechi; Takuhiro Yamaguchi; Megumi Uchida; Fuminobu Imai; Kanae Momino; Fujika Katsuki; Naomi Sakurai; Tempei Miyaji; Tomoe Mashiko; Masaru Horikoshi; Toshi A. Furukawa; Akiyo Yoshimura; Shinji Ohno; Natsue Uehiro; Kenji Higaki; Yoshie Hasegawa; Kazuhisa Akahane; Yosuke Uchitomi; Hiroji Iwata is a Medicine article available to read on EtoBox.

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## PURPOSE Fear of cancer recurrence (FCR) is a common distressing condition. We investigated the efficacy of smartphone problem-solving therapy and behavioral activation applications in breast cancer survivors. ## METHODS This was a decentralized randomized trial. Participants were disease-free breast cancer survivors age 20-49 years who were randomly assigned to the smartphone-based intervention or waitlist control. Both groups received treatment as usual. The control group could access the smartphone apps during weeks 8-24. The intervention comprised smartphone problem-solving therapy and behavioral activation apps. The primary end point was the Concerns About Recurrence Scale at week 8. Secondary outcomes included the Fear of Cancer Recurrence Inventory-Short Form (FCRI-SF), the Hospital Anxiety and Depression Scale (HADS), the Short-form Supportive Care Needs Survey (SCNS-SF34), and the Posttraumatic Growth Inventory at weeks 8 and 24 (trial registration: UMIN-CTR: UMIN000031140). ## RESULTS The intervention group included 223 participants, and the control group included 224 participants. Primary outcome data were obtained for 444 participants, and 213 participants in the inte

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Author

Tatsuo Akechi; Takuhiro Yamaguchi; Megumi Uchida; Fuminobu Imai; Kanae Momino; Fujika Katsuki; Naomi Sakurai; Tempei Miyaji; Tomoe Mashiko; Masaru Horikoshi; Toshi A. Furukawa; Akiyo Yoshimura; Shinji Ohno; Natsue Uehiro; Kenji Higaki; Yoshie Hasegawa; Kazuhisa Akahane; Yosuke Uchitomi; Hiroji Iwata

Publisher

Wolters Kluwer Health

Published

2022

Language

EN

Field

Medicine (Health Sciences)