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Blood, 1 May 2006, Vol. 107, No. 9, pp. 3492-3494. Prepublished online as a Blood First Edition Paper on January 12, 2006; DOI 10.1182/blood-2005-11-4541.
CLINICAL TRIALS AND OBSERVATIONS Severe pulmonary complications in Japanese patients after bortezomib treatment for refractory multiple myelomaFrom the Departments of Hematology, Pathology, and Respiratory Medicine, Toranomon Hospital, Tokyo, Japan; Division of Exploratory Research, the Institute of Medical Science, the University of Tokyo, Japan; Division of Hematology, Department of Medicine, Jichi Medical School, Tochigi, Japan; and the Division of Hematology, Juntendo University School of Medicine, Tokyo, Japan
Bortezomib is a novel proteasome inhibitor with significant antimyeloma activity. Its frequent adverse effects are manageable, including gastrointestinal symptoms, peripheral neuropathy, and thrombocytopenia. Severe lung toxicity has not previously been reported. Between June 2004 and September 2005, 13 Japanese patients with multiple myeloma were treated with bortezomib in Toranomon Hospital, Juntendo University School of Medicine, and Jichi Medical School. Four of them developed severe pulmonary complications, and 2 died of respiratory failure without progression of underlying disease. To our knowledge, this is the first report on life-threatening pulmonary adverse effects after bortezomib therapy. Previous clinical studies on bortezomib, mostly in the United States and Europe, have shown low incidences of pulmonary adverse effects. Our study suggests that bortezomib can cause serious lung injury, and that its incidence might vary among different ethnicities. Clinicians need to be alert to the possibility.
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