ImmunoGen Inc. said Wednesday that it has begun Phase I/IIEuropean clinical trials of Oncolysin S to treat small-cell lungcancer.
The Cambridge, Mass., company (NASDAQ:IMGN) last yearbegan a similar study in the United States.
In the initial study, Oncolysin S is being given to relapsedpatients. Once a maximum tolerated dose is established, thecompany plans to treat patients who are in remission followingconventional chemotherapy. Those trials are expected to beginin the second half of this year.
Oncolysin S consists of blocked ricin, the company's proprietaryform of the plant toxin, linked to a monoclonal antibodytargeted at cancer cells.
ImmunoGen shares closed unchanged at $13.
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