Aztreonam is Used for improving respiratory symptoms in cystic fibrosis patients with Pseudomonas aeruginosa. It was first introduced by Bristol Myers Squibb in its drug Azactam on Dec 31, 1986. Other drugs containing Aztreonam are Cayston, Azactam In Plastic Container. 5 different companies have introduced drugs containing Aztreonam.

Aztreonam Patents

Given below is the list of patents protecting Aztreonam, 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
Cayston	US7208141	Inhalable aztreonam aerosol for treatment and prevention of pulmonary bacterial infections	Dec 20, 2021 (Expired)	Gilead
Cayston	US7214364	Inhalable aztreonam lysinate formulation for treatment and prevention of pulmonary bacterial infections	Dec 20, 2021 (Expired)	Gilead
Cayston	US7427633	Inhalable aztreonam lysinate formulation for treatment and prevention of pulmonary bacterial infections	Dec 20, 2021 (Expired)	Gilead
Cayston	US8399496	Inhalable aztreonam lysinate formulation for treatment and prevention of pulmonary bacterial infections	Dec 20, 2021 (Expired)	Gilead

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Aztreonam's Family Patents

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Aztreonam Generic API Manufacturers

Several generic applications have been filed for Aztreonam. The first generic version for Aztreonam was by Fresenius Kabi Usa Llc and was approved on Jun 18, 2010. And the latest generic version is by Hospira Inc and was approved on Nov 8, 2021.

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