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October 13, 2004

Intrathecal Ziconotide for Chronic Pain

Author Affiliations

Letters Section Editor: Robert M. Golub, MD, Senior Editor.

JAMA. 2004;292(14):1681-1682. doi:10.1001/jama.292.14.1681-b

To the Editor: Dr Staats and colleagues1 reported that intrathecal ziconotide was effective at relieving pain among patients with cancer or human immunodeficiency virus (HIV). We have several concerns about this study.

First, pain among patients with cancer may have several different etiologies that may be related to the stage of the disease. Patients with end-stage disease may not represent all patients with cancer, some of whom may experience severe pain early in their disease.

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