Oxandrolone is Used for promoting weight gain after weight loss in specific patient populations. It was first introduced by Savient Pharmaceuticals Inc in its drug Oxandrin on Jan 1, 1982. 5 different companies have introduced drugs containing Oxandrolone.

Oxandrolone Patents

Given below is the list of patents protecting Oxandrolone, along with the drug name that holds that patent and the company name owning that drug.

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Drug Used in	Drug Patent Number	Drug Patent Title	Drug Patent Expiry	Drug Owner
Oxandrin	US5872147	Use of oxandrolone in the treatment of chronic obstructive pulmonary disease	Dec 05, 2017 (Expired)	Savient Pharms
Oxandrin	US6576659	Use of oxandrolone in the treatment of burns an other wounds	Dec 05, 2017 (Expired)	Savient Pharms
Oxandrin	US6828313	Use of oxandrolone in the treatment of burns and other wounds	Dec 05, 2017 (Expired)	Savient Pharms
Oxandrin	US6090799	Method for ameliorating muscle weakness/wasting in a patient infected with human immunodeficiency virus-type 1	Jul 18, 2017 (Expired)	Savient Pharms
Oxandrin	US6670351	Method for ameliorating muscle weakness/wasting in a patient infected with human immunodeficiency virus-type 1	Oct 20, 2012 (Expired)	Savient Pharms

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Oxandrolone's Family Patents

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Oxandrolone Generic API Manufacturers

Several generic applications have been filed for Oxandrolone. The first generic version for Oxandrolone was by Upsher Smith Laboratories Llc and was approved on Dec 1, 2006. And the latest generic version is by Roxane Laboratories Inc and was approved on Jul 10, 2007.

Given below is the list of companies who have filed for Oxandrolone generic, along with the locations of their manufacturing plants worldwide.