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Last Updated: January 24, 2020

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CAYSTON Drug Profile

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Which patents cover Cayston, and when can generic versions of Cayston launch?

Cayston is a drug marketed by Gilead and is included in one NDA. There are four patents protecting this drug.

This drug has fifty-six patent family members in twenty-one countries.

The generic ingredient in CAYSTON is aztreonam. There are eight drug master file entries for this compound. Three suppliers are listed for this compound. Additional details are available on the aztreonam profile page.

US ANDA Litigation and Generic Entry Outlook for Cayston

A generic version of CAYSTON was approved as aztreonam by FRESENIUS KABI USA on January 24th, 2020.

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Drug patent expirations by year for CAYSTON
Drug Prices for CAYSTON

See drug prices for CAYSTON

Recent Clinical Trials for CAYSTON

Identify potential brand extensions & 505(b)(2) entrants

SponsorPhase
Gilead SciencesPhase 2
University of DundeePhase 2
Gilead SciencesPhase 4

See all CAYSTON clinical trials

US Patents and Regulatory Information for CAYSTON

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Gilead CAYSTON aztreonam FOR SOLUTION;INHALATION 050814-001 Feb 22, 2010 RX Yes Yes   Start Trial   Start Trial Y   Start Trial
Gilead CAYSTON aztreonam FOR SOLUTION;INHALATION 050814-001 Feb 22, 2010 RX Yes Yes   Start Trial   Start Trial Y   Start Trial
Gilead CAYSTON aztreonam FOR SOLUTION;INHALATION 050814-001 Feb 22, 2010 RX Yes Yes   Start Trial   Start Trial Y   Start Trial
Gilead CAYSTON aztreonam FOR SOLUTION;INHALATION 050814-001 Feb 22, 2010 RX Yes Yes   Start Trial   Start Trial Y   Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Exclusivity Expiration

Supplementary Protection Certificates for CAYSTON

Patent Number Supplementary Protection Certificate SPC Country SPC Expiration SPC Description
1353647 27/2011 Austria   Start Trial PRODUCT NAME: AZTREONAMLYSIN; REGISTRATION NO/DATE: EU/1/09/543/001 20090921
1353647 CA 2011 00021 Denmark   Start Trial
1353647 300492 Netherlands   Start Trial PRODUCT NAME: AZTREONAMLYSINE; REGISTRATION NO/DATE: EU/1/09/543/001 20090923
2158901 122018000042 Germany   Start Trial PRODUCT NAME: AZTREONAMLYSIN; REGISTRATION NO/DATE: EU/1/09/543/001 20090921
1353647 91851 Luxembourg   Start Trial 91851, EXPIRES: 20240921
1353647 1190027-1 Sweden   Start Trial MARKETING AUTHORIZATION NUMBER AND DATE OF GRANT/NOTIFICATION: EU/1/09/543/001, 2009-09-23; PERIOD OF VALIDITY (FROM - UNTIL): 2021-12-21 - 2024-09- 22
>Patent Number >Supplementary Protection Certificate >SPC Country >SPC Expiration >SPC Description

Make Better Decisions: Try a trial or see plans & pricing

Serving leading biopharmaceutical companies globally:

Medtronic
Express Scripts
McKinsey
Mallinckrodt
AstraZeneca
Johnson and Johnson

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