Omnipaque sales top half-billion mark

Sterling Winthrop's x-ray contrast agent Omnipaque recorded global sales of more than $500 million last year, according to a listing of the world's 100 best selling drugs published in the May issue of Med Ad News. The agenthad worldwide sales of $505 million and was ranked 37th on thepublication's list.

The majority of Omnipaque's revenue derived from U.S. sales,which were pegged at $480 million in 1993 -- up 1% from the $475million in sales recorded the year before.

The next best selling imaging agent on the list was Bristol-MyersSquibb's Isovue. The x-ray imaging product recorded worldwidesales of $310 million in 1993, down 7.4% from the $335 millionregistered in 1992. Isovue had U.S. sales of $305 million in 1993and $320 million the year before.