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By Stefano Peruzzi

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FixINR is the implementation of two different algorithms for estimating the appropriate initial dose of warfarin in oral anticoagulation therapy.

The appropriate initial dose is difficult to establish due to the individual genetic variability and many other factors including drug interactions, alcohol, food intake etc.

The pharmacogenetic algorithm takes into consideration the polymorphisms in two distinct genes, VKORC1 (the vitamin K epoxide reductase complex subunit 1) and CYP2C9 (the cytochrome P450 2C9).

The clinical algorithm takes into consideration only age, weight, height, ethnic group and some drug interactions.


Estimation of the Warfarin Dose with Clinical
and Pharmacogenetic Data.
N Engl J Med 2009;360:753-64.


This software is intended for educational purposes only and not to substitute for care by a licensed healthcare professional.

This software is provided on an “as is” basis only and without warranty or representation (whether express or implied) as to its accuracy or reliability.

Author is not responsible for and do not accept liability for any direct or indirect loss or damages arising from or connected to the use of this information.

What's New in Version 1.2

- iOS 4.x multitasking
- retina upgrade

iPhone Screenshots

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  • 0,99 €
  • Category: Medical
  • Updated:
  • Version: 1.2
  • Size: 1.0 MB
  • Language: English
  • Developer:
You must be at least 17 years old to download this application.
  • Frequent/Intense Alcohol, Tobacco, or Drug Use or References

Compatibility: Requires iOS 3.0 or later. Compatible with iPhone, iPad, and iPod touch.

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