Human tests began with blind volunteers.
Altogether, the company has 78 drugs in human tests.
The company said that it would soon start large human tests of LAF237.
The biotechnology company hopes to start human tests of an anthrax vaccine.
In any event, Novocell said it would be several years before any human tests could begin.
Doctors in Argentina have performed the first human tests of the vessels on six patients, the team reported.
The panel concluded that human tests could be done only if there were a compelling public health need.
Within months, the company was working with a German pharmaceutical firm, Schering A.G., which began human tests of Dr. Hammond's technique in May 1998.
Human tests would be deemed unethical, and pinning particular cancer cases on acrylamide could ignore all the other potential carcinogens people encounter over the course of a lifetime.
In its 30-year history, the Environmental Protection Agency has only rarely established a regulatory standard for pesticides based on human tests, according to agency officials.
Erik Olson, a lawyer for the Natural Resources Defense Council, an environmental watchdog group, said that allowing human tests would violate the Nuremberg Code.
