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Agranulocytosis Caused by ChlorpropamideA Case Report With Confirmation by Leukoagglutination Studies
J. H. STEIN, MD;
HENRY E. HAMILTON, MD;
RAYMOND F. SHEETS, MD
Arch Intern Med. 1964;113(2):186-190.
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| Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings. |
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Oral hypoglycemic agents have made the treatment of diabetes mellitus more convenient. The first of these sulfonylurea compounds, carbutamide, was toxic and caused some deaths.1 The chemically similar compounds, tolbutamide (Orinase, Upjohn) and chlorpropamide (Diabinese, Pfizer), introduced later were found to be far safer. At the present time only one fatality resulting from tolbutamide has been reported.2 In the past two years, two cases of fatal chlorpropamide agranulocytosis have been reported.3,4
Recently, we studied a patient who had taken chlorpropamide, developed severe leukopenia, and eventually succumbed to an overwhelming infection. Our investigations suggest that this sulfonylurea compound caused the agranulocytosis in this patient. Our patient is presented as the third case of fatal agranulocytosis due to chlorpropamide. The role of leukoagglutination in toxic agranulocytosis will be discussed, for these studies reveal one of the few instances in which an offending drug enhanced "in vitro" agglutination of leukocytes.
. . . [Full Text PDF of this Article]
Author Affiliations
IOWA CITY
Footnotes
Received for publication Aug 2, 1963; accepted Sept 4.
Resident Physician, Internal Medicine, University Hospitals (Dr. Stein); Professor of Medicine, State University of Iowa College of Medicine (Drs. Hamilton and Sheets).
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