DNA Saliva Test - KCBD NewsChannel 11 Lubbock

1/10/07

DNA Saliva Test

Your DNA stores valuable clues about how the body will respond to drug therapy and that's why the Food and Drug Administration says your doctor may someday check your genetic make-up first, before prescribing medication.

That, in an effort to avoid the dangerous drug reactions that kill more than 100,000 Americans every year. A textbook example is the blood thinning drug Warfarin, which is a lifesaver for many but can trigger bleeding complications in others. Now, a saliva test analyzes those genes in a half hour to determine who might have a bad reaction to Warfarin.

"These two genes alone can help predict with about 60 percent certainty what the correct dose of Warfarin would be," said Michael Murphy, of the Gentris Corporation.  

The FDA says this is just the beginning that scientists are working to uncover other genetic links that will predict which patient may have the wrong reaction to a certain medication. It is actually a new science called Phamaco-Genomics taking the guesswork out of prescribing medication by matching medicine to the patient's genetic make-up.

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