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Authors
Miura, Masayoshi https://orcid.org/0000-0002-8469-5326
Higashiyama, Hiroshi
Tsuji, Takahiro
Ohtani, Katsuki
Wakamiya, Nobutaka
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Funding
Funding for this research was provided by:
Alexion Pharma GK (Alexion Pharma GK)
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Article History
Received: 25 December 2025
Accepted: 25 March 2026
First Online: 18 April 2026
Declarations
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: The case described in this article was enrolled in a study conducted by the Japanese Association for Complement Research which was funded by Alexion Pharma GK. However, the case report in this study was not requested by Alexion; while Alexion provided a review of the data for scientific accuracy, the authors retained control and final authority over publication content and decisions, including the choice of journal. Authors’ declarations: Research funding (Masayoshi Miura), Leadership/fiduciary role: Nobutaka Wakamiya (councilor of the Japanese Association for Complement Research; councilor of the International Complement Society). The other authors have declared no competing interests.
: Specific ethical approval was not required for this case publication. The authors obtained written informed consent from the patient to publish the medical data included in this case report. The authors confirm that the study was carried out in accordance with the Declaration of Istanbul.
