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Updated: Jun 15, 2026
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Vascularized Composite Hand Allograft Procurement and Preparation for Distal and Proximal Forearm Allotransplantation: A Stepwise Approach
Published on: May 23, 2025
Composite tissue allotransplantation: hand transplantation and beyond
Jaimie T Shores1, Gerald Brandacher, Stefan Schneeberger
1Division of Plastic and Reconstructive Surgery, University of Pittsburg Medical Center, Pittsburg Medical Center, Pittsburg, PA, USA.
Summary
Advances in transplant immunology are enabling composite tissue allotransplantation using less potent immunosuppression. Hand transplantation is a leading example, highlighting the potential for improved reconstructive surgery and patient quality of life.
Area of Science:
- Transplant immunology
- Immunoregulation
- Reconstructive surgery
Background:
- Transplant immunology is shifting from immunosuppression to immunoregulation.
- Composite tissue allotransplantation (CTA) is becoming more feasible with novel immunosuppressive strategies.
- Hand transplantation is the most common form of CTA, with over 50 procedures globally.
Purpose of the Study:
- To explore the potential of composite tissue allotransplantation with reduced immunosuppression.
- To discuss the implications of immunomodulating protocols in CTA.
- To highlight the role of CTA in advancing transplant medicine and reconstructive surgery.
Main Methods:
- Review of recent advances in transplant immunology.
- Analysis of current practices and outcomes in hand transplantation.
- Discussion of future research needs in immunomodulating protocols for CTA.
Main Results:
- Immunoregulation offers a new paradigm for CTA, moving beyond traditional immunosuppression.
- Hand transplantation demonstrates the clinical viability of CTA.
- Careful patient screening and oversight are crucial for managing risks associated with CTA.
Conclusions:
- Composite tissue allotransplantation, particularly hand transplantation, holds significant promise for improving patient quality of life.
- Further research into immunomodulating protocols is essential for the advancement of CTA.
- CTA represents a significant frontier in both transplant medicine and reconstructive surgery.
