Background/Aims Significant acetabular chondral defects are a common clinical finding during hip arthroscopy, for which the current surgical management approach may be falling short. Autologous matrix-induced chondrogenesis and matrix-assisted autologous chondrocyte transplantation are two novel cell-regenerative therapies that offer a way to repair acetabular chondral defects. Methods A literature search of Cochrane, CINAHL, AMED and Medline (2007–2017) databases revealed seven relevant articles, but only four involved a hip arthroscopic approach. Results All included studies demonstrated some significant improvements in patient-reported outcomes for autologous matrix-induced chondrogenesis and matrix-assisted autologous chondrocyte transplantation. There appears to be a practical advantage in terms of cost and convenience for using one-step autologous matrix-induced chondrogenesis. However, over-reliance on one particular research team and use of small-scale retrospective studies constitutes low-level, non-generalisable evidence. Conclusions The literature does not convincingly support either of these new applications over and above any other currently available treatments. Further research is needed and should involve different centres, longer follow-ups and place a higher emphasis on methodological rigour in order to maximise the trustworthiness of results.
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