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Incorporating Bortezomib into the Treatment of Lung Cancer

Authors' Affiliation: UC Davis Cancer Center, University of California, Sacramento, California

Requests for reprints: Angela M. Davies, UC Davis Cancer Center, University of California, 4501 X Street, Sacramento, CA 95817. Phone: 916-734-3771; Fax: 916-734-7946; E-mail: angela.davies{at}ucdmc.ucdavis.edu.

Bortezomib, a small-molecule proteasome inhibitor, has activity in lung cancer both as a single agent and in combination with agents commonly used in lung cancer. The ability of bortezomib to favorably modulate the expression of apoptosis-associated proteins, along with its moderate toxicity as a single agent, provides the basis for its combination with cytotoxic agents in the treatment of lung cancer. In non–small cell lung cancer, bortezomib as a single agent has limited activity but in combination with chemotherapy has shown encouraging activity without significantly adding to toxicity. Bortezomib as a single agent has shown minimal activity in small cell lung cancer. Although the role of bortezomib in lung cancer is uncertain, it is likely to have its greatest clinical benefit when given in combination with other therapeutics. Ongoing studies are focused on optimizing the scheduling of bortezomib with chemotherapy, investigating its combination with targeted agents and radiation, and examining its efficacy in a specific subgroup, bronchioloalveolar carcinoma.

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