Limbal Stem-cell Deficiency Clinical Trial
Official title:
Efficiency and Safety of Labial Mucosal Epithelium Grafting for Corneal Reepithelization in Patients With Bilateral Non-immunogenic Limbal Stem Cell Deficiency
Earlier approaches for cornea reepithelization in patients with bilateral LSCD included allogeneic corneal limbus grafting from postmortem donor or livingrelated relatives with concomitant systemic immunosuppression (Cheung and Holland, 2017) and cultivated oral mucosal epithelial transplantation (COMET) (Nishida et al., 2004). The novel surgical technique for corneal re-epithelization were described by Liu et al. (2011) and Choe et al. (2019). In both clinical studies, the autologous labial mucosal epithelium graft was transplanted as a surrogate corneal limbus for purpose of treatment the LSCD. Authors reported positive outcomes in terms of anatomical success and corneal status improvement. The purpose of the study is to evaluate the feasibility of the novel surgical intervention in clinical use.
Earlier approaches for cornea reepithelization in patients with bilateral LSCD included allogeneic corneal limbus grafting from postmortem donor or livingrelated relatives with concomitant systemic immunosuppression (Cheung and Holland, 2017) and cultivated oral mucosal epithelial transplantation (COMET) (Nishida et al., 2004). The novel surgical technique for corneal re-epithelization were described by Liu et al. (2011) and Choe et al. (2019). In both clinical studies, the autologous labial mucosal epithelium graft was transplanted as a surrogate corneal limbus for purpose of treatment the LSCD. Authors reported positive outcomes in terms of anatomical success and corneal status improvement. Lip oral mucosa is a promising autologous source of epithelial cell for the trial because it has similar histological characteristic as the normal corneal. In particular, lip oral mucosal epithelium is stratified squamous and nonkeratinized. The indicated histological and molecular features of the lip oral mucosal epithelium predetermined the use of labial mucosal epithelial graft for treatment patients with bilateral LSCD. The purpose of the study is to confirm the validity of the hypothesis about the possibility of re-epithelialization diseased cornea using labial mucosal epithelium graft as a surrogate limbus in patients with bilateral LSCD. ;
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