The levels of 8-iso-PGF ( 2alpha ) and 15-keto-dihydro-PGF2alpha in the urine samples obtained before prostate RT ( 0.27 and 0.41 nmol/mmol creatinine ) did not differ appreciably from the values observed in a normal cohort ( 0.27 and 0.46 nmol/mmol creatinine ) and did not change after RT ( 0.23 and 0.37 nmol/mmol creatinine ) .
