| Myoclonus due to chlorambucil in two adults with lymphoma. | |
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MedLine Citation:
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PMID: 9034417 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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OBJECTIVE: To report myoclonus due to chlorambucil therapy in two adults with lymphoma, and to review the literature of chlorambucil neurotoxicity in adults. CASE SUMMARIES: Case 1: An 81-year-old man with lymphoma being treated with chlorambucil developed jerking movements and stiffness that persisted for 3 days and intensified at night. The dosage of chlorambucil was decreased with a subsequent decrease in symptomatology. Resolution of the myoclonus occurred with discontinuation of the chlorambucil. Rechallenge evoked a return of tremors the next day that later became constant and again resolved on discontinuation of chlorambucil. Case 2: A 75-year-old woman with lymphoma being treated with chlorambucil developed jerking movements in her limbs, particularly in her arms and right hip. The symptoms were so severe they prevented the patient from leaving her house. All symptoms resolved within 2-3 days after the cycle was completed and did not return. She was diagnosed as having had chlorambucil-induced myoclonus. DATA SOURCES: Searches were performed on MEDLINE, CancerLit, and Science Citation Index Review to identify reports and articles discussing chlorambucil-induced neurotoxicity, particularly myoclonus. DISCUSSION: Chlorambucil-induced myoclonus has been described in overdose situations and in the treatment of nephrotic syndrome in children. Three cases of reversible myoclonic activity associated with high-dose chlorambucil in adults have also been described. In each case, the myoclonus resolved following discontinuation of the drug. Only one other conclusive case of low-dose chlorambucil-induced myoclonus in an adult has been described. The two cases presented here are unique in that the myoclonus occurred in adults receiving low-dose chlorambucil who had no myoclonus before or after treatment with the drug. CONCLUSIONS: From the cases reviewed, it appears that chlorambucil may induce myoclonus in adults receiving therapeutic dosages of chlorambucil. The neurologic status of patients receiving chlorambucil should be followed closely during treatment. If myoclonus develops, drug-induced myoclonus should be considered, as well as discontinuation of the drug. |
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Authors:
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A R Wyllie; C D Bayliff; M J Kovacs |
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Publication Detail:
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Type: Case Reports; Journal Article |
Journal Detail:
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Title: The Annals of pharmacotherapy Volume: 31 ISSN: 1060-0280 ISO Abbreviation: Ann Pharmacother Publication Date: 1997 Feb |
Date Detail:
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Created Date: 1997-05-13 Completed Date: 1997-05-13 Revised Date: 2007-11-15 |
Medline Journal Info:
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Nlm Unique ID: 9203131 Medline TA: Ann Pharmacother Country: UNITED STATES |
Other Details:
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Languages: eng Pagination: 171-4 Citation Subset: IM |
Affiliation:
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Department of Pharmacy Services, London Health Sciences Centre, Ontario, Canada. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Aged Aged, 80 and over Antineoplastic Agents / adverse effects*, therapeutic use Chlorambucil / adverse effects*, therapeutic use Female Humans Leukemia, Lymphocytic, Chronic, B-Cell / drug therapy Lymphoma, Non-Hodgkin / drug therapy Male Myoclonus / chemically induced* |
| Chemical | |
Reg. No./Substance:
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0/Antineoplastic Agents; 305-03-3/Chlorambucil |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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