
Editorial
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These medication errors have occurred in health care facilities at least once. They will happen again—perhaps where you work. Through education and alertness of personnel and procedural safeguards, they can be avoided. You should consider publishing accounts of errors in your newsletters and/or presenting them at your inservice training programs.
Your assistance is required to continue this feature. The reports described here were received through the Institute for Safe Medication Practices (ISMP) Medication Errors Reporting Program. Any reports published by ISMP will be anonymous. Comments are also invited; the writers' names will be published if desired. ISMP may be contacted at the address shown below.
Errors, close calls, or hazardous conditions may be reported directly to ISMP through the ISMP Web site (www.ismp.org), by calling 800-FAIL-SAFE, or via e-mail at
The purpose of this feature is to heighten awareness of specific adverse drug reactions (ADRs), discuss methods of prevention, and promote reporting of ADRs to the US Food and Drug Administration's (FDA's) MedWatch program (800-FDA-1088). If you have reported an interesting, preventable ADR to MedWatch, please consider sharing the account with our readers.
This continuing feature updates readers on recent developments in cardiovascular pharmacotherapy. Cardiovascular disease remains the number 1 killer in the United States, and more clinical outcome trials have been conducted in cardiology than in any other field of medicine. Given this rapidly expanding knowledge base, if pharmacists stay current with developments in drug therapy, they can have a significant impact on prevention and treatment.
The complexity of cancer chemotherapy requires that pharmacists be familiar with the complicated regimens and highly toxic agents used. This column reviews various issues related to preparing, dispensing, and administering antineoplastic therapy and to the agents, commercially available and investigational, used to treat malignant diseases.
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Hypomagnesemia is an adverse reaction associated with epidermal growth factor receptor (EGFR)-targeting monoclonal antibodies. Of the 2 EGFR antibodies approved by the US Food and Drug Administration—cetuximab and panitumumab—cetuximab-induced hypomagnesemia has been extensively characterized but panitumumab-induced hypomagnesemia has not.
In this retrospective study, the clinical course of hypomagnesemia is described in three 64- to 68-year-old men who received panitumumab monotherapy or panitumumab-plus-irinotecan therapy for colorectal cancer for 8 to 21 weeks.
The onset of hypomagnesemia was variable, ranging from 1 week to 10 weeks following the initiation of panitumumab. Magnesium levels did not normalize until 4 to 8 weeks after discontinuation of the agent. Of the patients in the study, 2 had new onset of grade 3 hypomagnesemia 1 to 3 weeks after panitumumab was discontinued. Management was magnesium sulfate 2 g infusion weekly and magnesium oxide 1,200 mg oral repletion daily. With severe hypomagnesemia (grade 3 and higher) or significant diarrhea (grade 3 and higher), a daily infusion of magnesium sulfate 2 or 4 g was administered.
When administering panitumumab therapy, magnesium levels should be monitored from the initiation of the agent to at least 8 weeks following cessation. Hypomagnesemia usually can be managed with magnesium sulfate 2 to 4 g infusion weekly and magnesium oxide 1,200 mg oral repletion daily. Future research is warranted to identify simple and efficient strategies for monitoring and treating EGFR blockade with monoclonal antibody-associated hypomagnesemia.
The intent of this case report is to heighten the awareness of the potential for tigecycline-induced pancreatitis.
A 55-year-old woman came to the emergency department with complaints of chest pain, and it was later found that the patient was bacteremic. Blood cultures grew
A review is presented of the available literature on mechanisms for tetracycline-induced pancreatitis based on tetracycline's interaction with a receptor on the 30s ribosomal subunit necessary for protein synthesis.
Because of the structural similarity between tigecycline and tetracycline, it is plausible that the same mechanism for tetracycline-induced pancreatitis could be the rationale for the episode of pancreatitis described in the case report presented here.
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This month we address an emerging technology that we believe will one day be as common as automated dispensing cabinets. Automated, robotic intravenous preparation is not as new to the area of pharmacy as many may think. Recently, United States Pharmacopeia <797> regulations prompted serious consideration and evaluation of this technology by many pharmacy departments. This article provides an overview of the vendors, their products, and other considerations for your due diligence.
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