Hi,

The "question of the day" for the FreeMedForms project is: 
        What is the exact pertinence of the drug drug interaction (DDI) 
engine/database of FreeMedForms?

I've computed the maximum DDI available. The script evaluates the number of 
available interactions per level of risk using pairs of international 
non-proprietary names (INN) extracted from the ATC classification. This script 
does not use a real drug database, only the INN which are unique. All 
interactions come with a full description of the risks and sometimes with a 
possible management of the risk (in french and in english).

Here are the results:

Contre-indication................................. 2985    2%       } Are 
severe (level 1)
Déconseillée...................................... 5413    5%     }  
Interaction de la glycoprotéine P................. 9963    9%     } Are 
important (level 2)
Interaction du cytochrome P450.................... 6756    6%     }  
A prendre en compte............................... 64298   61%  }
Précaution d'utilisation.......................... 13934   13%  } Are 
information (level 3)
Information....................................... 618     0%   }

Total DDI per INN pair............................ 103967  100%

Now think that one drug can contain X interacting molecules...

The question is now:
        What is the exact pertinence of the drug database script when it needs 
to link drugs component to ATC?

And this question is answered in each database, using a "pertinence index", 
which represent the percentage of all drug components linked to ATC (we believe 
that 75% is acceptable, 85% is a near-to-reality, 100% is only-commercial). We 
may improve this "pertinence index", because users don't want to miss a 
*severe* DDI. And all of these severe DDI should be tested... by hand. Testers 
are welcome and can have a full access to the drugs database with DDI. We have 
to test drugs database from these countries: France, Belgium, USA, Canada, 
South Africa (and very partially Portugal). Only MD and pharmaceutists can do 
this job. Please contact us: [email protected].

Eric, freemedforms.com

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