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Assessment of myopic rebound effect after discontinuation of treatment with 0.01% atropine eye drops in Japanese school-age children

  • Clinical Investigation
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Japanese Journal of Ophthalmology Aims and scope Submit manuscript

Abstract

Purpose

Having previously demonstrated the efficacy of 0.01% atropine eye drops for inhibiting progression of childhood myopia, we conducted additional analyses to assess post-treatment changes in myopia progression.

Study design

Analysis of follow-up data from a previously reported randomized controlled trial

Methods

A mixed-effects model was used to compare intergroup changes in spherical equivalent (SE) and axial length (AL) at 1 month and 12 months after discontinuation of 2-year treatment with atropine or placebo in 167 school-age children.

Results

Follow-up measurements were available for 149 participants at 1 month after discontinuation of treatment and for 51 participants at 12 months after discontinuation. At 1 month post-treatment, differences between the atropine and placebo groups in least squares (LS) mean changes in SE and AL, respectively, from 24 months were −0.06 diopters (D) (95% CI: −0.21, 0.08; P = .39) and 0.02 mm (95% CI: −0.05, 0.08; P = .60). At 12 months post-treatment, intergroup differences (atropine vs placebo) in LS mean changes in SE and AL, respectively, were −0.13 D (95% CI: −0.35, 0.10; P = .26) and −0.02 mm (95% CI: −0.12, 0.09; P = .75). LS mean changes in SE and AL from treatment discontinuation did not differ between the groups at 1 or 12 months post-treatment.

Conclusion

Axial elongation was significantly less in the atropine group than in the placebo group. The suppression effect obtained at 2 years was maintained after 12 months. The absence of intergroup differences in myopia progression since treatment cessation suggests that myopic rebound did not occur.

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Acknowledgements

The ATOM-J Study was supported by Eye-Lens Pte., Ltd., Singapore. The sponsor had no role in the design or conduct of this research. The authors wish to recognize the contributions of all members of the ATOM-J Study group (Osamu Hieda, Takahiro Hiraoka, Takashi Fujikado, Satoshi Ishiko, Satoshi Hasebe, Hidemasa Torii, Hiroshi Takahashi, Yo Nakamura, Chie Sotozono, Tetsuro Oshika, Takeshi Morimoto, Kohji Nishida, Noriko Nishikawa, Young-Seok Song, Tomoki Tokutake, Yasuyo Nishi, Yuta Shigeno, Toshihide Kurihara, Kazuno Negishi, Kazuo Tsubota, Masafumi Ono, Tomoko Nakai, Donald Tan, Shiro Tanaka, and Shigeru Kinoshita).

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Correspondence to Osamu Hieda.

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Conflicts of interest

O. Hieda, Provision of drugs, translation and submission of this article (Eye-Lens Pte., Ltd); T. Hiraoka, None; T. Fujikado, None; S. Ishiko, None; S. Hasebe, None; H. Torii, None; H. Takahashi, None; S. Tanaka, Consulting fees (Daiichi-Sankyo, Satt, Welby, Eli Lilly), Payment or honoraria for lectures, presentations, speakers bureaus, manuscript writing or educational events (Bayer, Research Institute of Healthcare Data Science, Amgen); S. Kinoshita, Grants or contracts (Santen, Senju, HOYA), Consulting fees (Santen, Alcon, At Working), Payment or honoraria for lectures, presentations, speakers bureaus, manuscript writing or educational events (Santen, Senju, Alcon, Johnson & Johnson Vision, At Working).

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Corresponding Author: Osamu Hieda

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Hieda, O., Hiraoka, T., Fujikado, T. et al. Assessment of myopic rebound effect after discontinuation of treatment with 0.01% atropine eye drops in Japanese school-age children. Jpn J Ophthalmol 67, 602–611 (2023). https://doi.org/10.1007/s10384-023-01012-8

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  • DOI: https://doi.org/10.1007/s10384-023-01012-8

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