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Vertex and GSK To Halt HIV Collaboration


Posted on 2006-12-18 10:06:00



Biotech drug developer Vertex Pharmaceuticals Inc. said Monday in a Securities and Exchange Commission filing that British drug maker GlaxoSmithKline PLC will stop developing an HIV drug covered under a collaboration between the two companies.

The affected drug is brecanavir, also known VX-385. GlaxoSmithKline told Vertex it would be too difficult to develop an appropriate formulation of brecanavir. The drug was already in mid-stage clinical testing.

The collaboration, started in 1993, has already yielded two other HIV treatments that are already on the market, Agenerase and Lexiva. The abandoning of brecanavir does not affect the current marketing agreement between Vertex and GlaxoSmithKline for the other two drugs.