Douglas Steinberg | Jul 19, 1998 | 9 min read
A pharmaceutical milestone seems to have been reached last month when a National Cancer Institute panel approved an anti-tumor drug called PS-341 for government-financed clinical trials. PS-341 is the first agent targeting the ubiquitin-mediated proteolytic system to be headed for human testing, according to ProScript Inc., the small firm in Cambridge, Mass., that developed the drug. Clinical trials at NCI and several medical centers could begin later this summer if the Food and Drug Administra