Only a small amount of the administered radioactivity was recovered in the feces and as expired CO2.

In total, 76% of the administered radioactivity was recovered.

The number of treatment cycles ranged from one to four; the mean administered radioactivity was 6 GBq per cycle.

Mean cumulative recovery of the administered radioactivity in urine and feces over 168 hours was 3.7% and 95.7%, respectively.