An electrodiagnostic evaluation of the effect of pre-existing peripheral nervous system disorders in patients treated with the novel proteasome inhibitor bortezomib Journal Article
| Authors: | Stubblefield, M. D.; Slovin, S.; Macgregor-Cortelli, B.; Muzzy, J.; Scher, H.; Wright, J.; Esseltine, D.; Schenkein, D.; O'Connor, O. A. |
| Article Title: | An electrodiagnostic evaluation of the effect of pre-existing peripheral nervous system disorders in patients treated with the novel proteasome inhibitor bortezomib |
| Abstract: | Aims: Bortezomib (Velcade®), a novel proteasome inhibitor, has shown promise in the treatment of malignancies, including multiple myeloma and non-Hodgkin's lymphoma. Several studies have identified neuropathy as a potentially dose-limiting side effect of treatment with bortezomib. We report the clinical and electrodiagnostic data from four patients who developed signs and symptoms of peripheral neuropathy from treatment with bortezomib. Materials and methods: Patients were included if they were enrolled in active phase 2 trials of bortezomib for non-Hodgkin's lymphoma or prostate cancer, developed signs and symptoms of peripheral neuropathy, and were referred for electrodiagnostic evaluation. Results: Four patients, including two with non-Hodgkin's lymphoma and two with prostate cancer, underwent electrodiagnostic testing. Electrodiagnostic evaluation showed pre-existing peripheral nervous system disorders in three out of four patients. Multiple peripheral nervous system disorders were present in two out of four patients. Conclusions: Bortezomib can cause a predominately sensory axonal polyneuropathy. Pre-existing peripheral nervous system disorders, such as neuropathy and radiculopathy, are common in patients with cancer, and may pre-dispose to the development of symptomatic neuronal toxicity when treated with bortezomib. Baseline electrodiagnostic evaluation may identify patients with pre-existing peripheral nervous system disorders at risk for additive neuronal toxicity from neurotoxic chemotherapeutic agents. © 2005 The Royal College of Radiologists. |
| Keywords: | adult; aged; middle aged; unclassified drug; prednisone; paresthesia; case report; doxorubicin; drug withdrawal; cancer adjuvant therapy; rituximab; nuclear magnetic resonance imaging; follow up; bortezomib; computer assisted tomography; sensory neuropathy; boronic acids; protease inhibitors; pyrazines; neuropathy; peripheral neuropathy; cyclophosphamide; vincristine; monoclonal antibody; prostate cancer; prostatic neoplasms; leuprorelin; monoclonal antibody j591; nonhodgkin lymphoma; lymphoma, non-hodgkin; prostatectomy; acetylsalicylic acid; drug response; lymphoma; muscle weakness; peripheral edema; electromyography; bicalutamide; flutamide; hydrocortisone; ketoconazole; nilutamide; radioimmunotherapy; follicular lymphoma; patient referral; sensorimotor neuropathy; peripheral nervous system diseases; epothilone b; muscle cramp; hypesthesia; gabapentin; low back pain; dysesthesia; gait disorder; radiculopathy; electrodiagnosis; nortriptyline; skin tingling; nerve conduction; cervicobrachial neuralgia; hand paresthesia; muscle stiffness |
| Journal Title: | Clinical Oncology |
| Volume: | 18 |
| Issue: | 5 |
| ISSN: | 0936-6555 |
| Publisher: | Elsevier Science, Inc. |
| Date Published: | 2006-06-01 |
| Start Page: | 410 |
| End Page: | 418 |
| Language: | English |
| DOI: | 10.1016/j.clon.2005.12.008 |
| PUBMED: | 16817333 |
| PROVIDER: | scopus |
| DOI/URL: | |
| Notes: | --- - "Cited By (since 1996): 14" - "Export Date: 4 June 2012" - "CODEN: CLIOE" - "Source: Scopus" |
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254Slovin -
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52Stubblefield -
1130Scher -
5
Muzzy
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