1. 
   pirfenidone
   A substance that is being studied in the prevention and treatment of scar tissue caused by radiation therapy. It belongs to the family of drugs called anti-inflammatory agents.
   Found op http://www.cancer.gov/dictionary?expand=P
   
   
2. 
   Pirfenidone
   Pirfenidone is a drug developed by InterMune Inc. for the treatment of idiopathic pulmonary fibrosis (IPF). In 2011 it was approved for use in Europe for IPF under the trade name Esbriet. The proposed trade name in the US is also Esbriet. In Japan it is marketed as Pirespa by Shionogi & Co. In Octo...
   Found op http://en.wikipedia.org/wiki/Pirfenidone
   
   

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