Letters to The Editor

In a recent “Clinical Q&A” titled “Handling and Disposal of Monoclonal Antibodies,” the author reviewed guidelines for your readers (Estes, 2002). The manufacturers are not correct in Table 1 on page 290. Zevalin® is manufactured by IDEC Pharmaceuticals Corporation in San Diego, CA. Rituxan® is comarketed by IDEC Pharmaceuticals Corporation and Genentech, Inc., in South San Francisco, CA.