Usefulness of Interventions Using a Smartphone Cognitive Behavior Therapy Application for Children With Mental Health Disorders: Prospective, Single-Arm, Uncontrolled Clinical Trial

Shinichiro Nagamitsu   ¹ , MD ;   Ayumi Okada   ² , MD ;   Ryoichi Sakuta   ³ , MD ;   Ryuta Ishii   ⁴ , MD ;   Kenshi Koyanagi   ⁵ , MD ;   Chizu Habukawa   ⁶ , MD ;   Takashi Katayama   ⁷ , BEng ;   Masaya Ito   ⁸ , PhD ;   Ayako Kanie   ⁸ , MD ;   Ryoko Otani   ³ , MD ;   Takeshi Inoue   ³ , MD ;   Tasuku Kitajima   ³ , MD ;   Naoki Matsubara   ³ , PhD ;   Chie Tanaka   ² , MD ;   Chikako Fujii   ² , MD ;   Yoshie Shigeyasu   ² , MD ;   Michiko Matsuoka   ⁹ , MD ;   Tatsuyuki Kakuma   ¹⁰ , PhD ;   Masaru Horikoshi   ⁸ , PhD

¹ Department of Pediatrics, Faculty of Medicine, Fukuoka University, Fukuoka, Japan

² Department of Pediatrics, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan

³ Child Development and Psychosomatic Medicine Center, Dokkyo Medical University Saitama Medical Center, Shimotsugagun, Japan

⁴ Department of Pediatrics & Child Health, Kurume University, School of Medicine, Kurume, Japan

⁵ Nagasaki Prefectural Center of Medicine and Welfare for Children, Isahaya, Japan

⁶ Department of Pediatric Allergy, Minami Wakayama Medical Center, Tanabe, Japan

⁷ L2B Inc, Shibuya, Japan

⁸ National Center for Cognitive Behavior Therapy and Research, National Center of Neurology and Psychiatry, Kodaira, Japan

⁹ Department of Neuropsychiatry, Kurume University School of Medicine, Kurume, Japan

¹⁰ Biostatistics Center, Kurume University, Kurume, Japan