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Article History

Received: 28 May 2025

Accepted: 24 November 2025

First Online: 1 December 2025

Declarations

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: The Tissue and Cell Bank at Sestre milosrdnice University Hospital Centre, Zagreb, Croatia, holds valid authorization issued by the Ministry of Health of the Republic of Croatia for the collection, procurement, processing, testing, preservation, storage, and distribution of allogeneic bone tissue, specifically femoral heads obtained from living donors, with initial approval valid by July 17, 2014. Additional authorizations were granted on June 30, 2022, for the processing of cancellous bone tissue, and on June 20, 2022, for the handling of autologous bone. All activities were conducted in accordance with the Croatian Law on the Application of Human Tissues and Cells (NN 144/2012). The study entitled “Harvesting , Processing , Testing , Storage , and Clinical Application of Musculoskeletal Tissue” was reviewed by the Ethics Committee of Sestre milosrdnice University Hospital Centre at its sessions held on December 12, 2023 (Registration number: 251-29-11/3-23-05) and April 10, 2025 (Registration number: 251-29-11/3-25-11), and was approved on May 13, 2025 (Approval number: 251-29-11/3-25-17). The Committee concluded that the study is in compliance with the principles of the Declaration of Helsinki and the International Conference on Harmonisation (ICH) Guidelines for Good Clinical Practice. Written informed consent was obtained from all donors prior to sample collection.

: The authors declare no competing interests.