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 Prostate-specific antigen (PSA) is a biomarker commonly used for detection of prostate cancer. Its viability as a marker for diagnosis of chronic renal failure (CRF) in predialysis patients was investigated.  Methods Sera from 230 patients with CRF were analyzed by enzyme-linked immunosorbent assay (ELISA) for determining total PSA (tPSA) levels before hemodialysis.  Results Of the patients investigated, 98.69% had a normal PSA level with a value less than 4 ng/mL. Three elderly men with both kidney failure showed a moderate elevation of PSA level.  Conclusion PSA is considered a nonsignificant indicator for diagnosis of CRF.

Prostate-Specific Antigen: From Promising to Disappointment Tool for Diagnosis of Chronic Renal Failure in Predialysis Patients