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Genetic testing may be valuable in treating colorectal cancer
Date:7/27/2009

olorectal cancer. The model assumed that under usual care, patients received a full dose of irinotecan. With genetic testing, irinotecan dosage was reduced 25 percent in individuals identified using the genetic test as having the UGT1A1*28 variant allele. The dose reduction is specified in the Food and Drug Administrationapproved drug label to minimize cases of neutropenia.

Dr. Bruce Schackman, senior author of the study, says, "Cost-effectiveness evaluations of pharmacogenetic tests can provide important insights into both the clinical and economic value of these new treatment paradigms, but few of these types of studies have been conducted. Importantly, these studies also allow us to define in economic terms the value of additional comparative effectiveness research. In this case, we've determined that further research of up to $22 million should be conducted to study the risks and benefits of dose reductions based on the results of the genetic test."

Dr. Schackman is associate professor of public health and chief of the Division of Health Policy in the Department of Public Health at Weill Cornell Medical College.

"This study is an important example of how the combined use of cost-effectiveness analysis and pharmacogenetic testing can improve treatment outcomes," says Dr. Alvin I. Mushlin, Professor and Chairman of the Weill Cornell Department of Public Health. "Both methods are becoming increasingly integral to the advancement of evidence-based medicine."


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Contact: Andrew Klein
ank2017@med.cornell.edu
212-821-0560
New York- Presbyterian Hospital/Weill Cornell Medical Center/Weill Cornell Medical College
Source:Eurekalert

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