Science

GAGomes as monitoring biomarkers: renal cell carcinoma

Initial research focused on renal cell carcinoma (RCC) – the most common form of kidney cancer. In RCC, it was observed a unique deregulation of glycosaminoglycan metabolism (Gatto et al., 2016). This was posited to define a signature of the GAGome specific to RCC.

In an initial proof of concept study, a GAGome signature was indeed detected non-invasively in the plasma and urine of metastatic RCC patients revealing exceptional changes compared to normal healthy levels (Gatto et al., 2016). Another clinical study conducted at the Memorial Sloan Kettering Cancer Center, NY, confirmed this finding in non-metastatic RCC making the GAGome a promising system biomarker for early cancer detection (Gatto et al., 2018)

GAGome signatures in the plasma and urine captured in so called GAG scores and compared between healthy, metastatic clear cell renal cell carcinoma (mccRCC) and no evidence of disease (NED) patients. Corresponding ROC curves for each fluid are shown on the right. Adapted from Gatto et al., 2016.

A prospective clinical study at Sahlgrenska University Hospital, Sweden explored the potential of GAGomes specifically in RCC patients at risk of post-surgical recurrence (Gatto et al., 2022).

Elypta is now validating the use of GAGomes for surveillance for RCC recurrence after curative surgery in AURORAX-0087A, an EU co-funded study.

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