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Last Updated: June 28, 2022

ZITHROMAX Drug Patent Profile


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Which patents cover Zithromax, and what generic alternatives are available?

Zithromax is a drug marketed by Pfizer and is included in seven NDAs.

The generic ingredient in ZITHROMAX is azithromycin. There are thirty-two drug master file entries for this compound. Fifty-three suppliers are listed for this compound. Additional details are available on the azithromycin profile page.

Drug patent expirations by year for ZITHROMAX
Drug Prices for ZITHROMAX

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Drug Sales Revenue Trends for ZITHROMAX

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Recent Clinical Trials for ZITHROMAX

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

SponsorPhase
Emory UniversityPhase 4
University of North Carolina, Chapel HillPhase 2
Bahir Dar UniversityPhase 4

See all ZITHROMAX clinical trials

Pharmacology for ZITHROMAX

US Patents and Regulatory Information for ZITHROMAX

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Pfizer ZITHROMAX azithromycin CAPSULE;ORAL 050670-001 Nov 1, 1991 DISCN Yes No See Plans and Pricing See Plans and Pricing See Plans and Pricing
Pfizer ZITHROMAX azithromycin TABLET;ORAL 050784-001 May 24, 2002 AB RX Yes No See Plans and Pricing See Plans and Pricing See Plans and Pricing
Pfizer ZITHROMAX azithromycin FOR SUSPENSION;ORAL 050710-002 Oct 19, 1995 AB RX Yes Yes See Plans and Pricing See Plans and Pricing See Plans and Pricing
Pfizer ZITHROMAX azithromycin TABLET;ORAL 050730-001 Jun 12, 1996 DISCN Yes No See Plans and Pricing See Plans and Pricing See Plans and Pricing
Pfizer ZITHROMAX azithromycin FOR SUSPENSION;ORAL 050693-001 Sep 28, 1994 RX Yes Yes See Plans and Pricing See Plans and Pricing See Plans and Pricing
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Exclusivity Expiration

Expired US Patents for ZITHROMAX

Applicant Tradename Generic Name Dosage NDA Approval Date Patent No. Patent Expiration
Pfizer ZITHROMAX azithromycin INJECTABLE;INJECTION 050733-001 Jan 30, 1997 See Plans and Pricing See Plans and Pricing
Pfizer ZITHROMAX azithromycin TABLET;ORAL 050784-001 May 24, 2002 See Plans and Pricing See Plans and Pricing
Pfizer ZITHROMAX azithromycin FOR SUSPENSION;ORAL 050693-001 Sep 28, 1994 See Plans and Pricing See Plans and Pricing
Pfizer ZITHROMAX azithromycin FOR SUSPENSION;ORAL 050710-002 Oct 19, 1995 See Plans and Pricing See Plans and Pricing
Pfizer ZITHROMAX azithromycin TABLET;ORAL 050730-001 Jun 12, 1996 See Plans and Pricing See Plans and Pricing
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >Patent No. >Patent Expiration

International Patents for ZITHROMAX

See the table below for patents covering ZITHROMAX around the world.

Country Patent Number Title Estimated Expiration
Finland 91263 See Plans and Pricing
Denmark 381188 See Plans and Pricing
Ireland 882108 See Plans and Pricing
Slovenia 8811325 PROCESS FOR THE PRODUCTION OF CRYSTALLINE AZITHROMYCIN DIHYDRATE. See Plans and Pricing
Egypt 18527 Process for preparing azithromycin dihydrate See Plans and Pricing
>Country >Patent Number >Title >Estimated Expiration

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Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.