[Comparative study with a closed sequential design between iopronic and iocetamic acid in oral cholecystocholangiography with radiograms in short and standard times. Laboratory evaluation of hepatic function (author's transl)].

In a comparative study with a closed sequential design iopronic acid has shown to have an opacification power in short times (3 to 4 hours after administration) much higher than iocetamic acid. The opacification of gall bladder and choledochus at 10 to 12 hours after administration has always resulted higher for iopronic acid. Laboratory examinations (total bilirubinaemia, SGOT, SGPT) have not shown any liver damaging effect due to the administered oral cholecystographic agent. Both contrast media, finally, have not caused side effects worth a particular remark at the dosage of 4.5 g.