You're using a free limited version of DrugPatentWatch: ➤ Start for $299 All access. No Commitment.

Last Updated: March 26, 2026

Details for New Drug Application (NDA): 050684

✉ Email this page to a colleague

NDA 050684 describes ZOSYN, which is a drug marketed by Wyeth Pharms and Baxter Hlthcare Corp and is included in two NDAs. Additional details are available on the ZOSYN profile page.

The generic ingredient in ZOSYN is piperacillin sodium; tazobactam sodium. There are sixteen drug master file entries for this compound. Seventeen suppliers are listed for this compound. Additional details are available on the piperacillin sodium; tazobactam sodium profile page.

Summary for 050684

Tradename:	ZOSYN
Applicant:	Wyeth Pharms
Ingredient:	piperacillin sodium; tazobactam sodium
Patents:	0

Profile for product number 001

Active Rx/OTC/Discontinued:	DISCN	Dosage:	INJECTABLE;INJECTION			Strength	EQ 2GM BASE/VIAL;EQ 250MG BASE/VIAL Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons
Approval Date:	Oct 22, 1993	TE:		RLD:	Yes

Profile for product number 002

Active Rx/OTC/Discontinued:	DISCN	Dosage:	INJECTABLE;INJECTION			Strength	EQ 3GM BASE/VIAL;EQ 375MG BASE/VIAL Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons
Approval Date:	Oct 22, 1993	TE:		RLD:	Yes

Profile for product number 003

Active Rx/OTC/Discontinued:	DISCN	Dosage:	INJECTABLE;INJECTION			Strength	EQ 4GM BASE/VIAL;EQ 500MG BASE/VIAL Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons
Approval Date:	Oct 22, 1993	TE:		RLD:	Yes

Expired US Patents for NDA 050684

Subscribe to access the full database, or Start Trial
Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	Patent No.	Patent Expiration
Wyeth Pharms	ZOSYN	piperacillin sodium; tazobactam sodium	INJECTABLE;INJECTION	050684-004	Oct 22, 1993	8,133,883	⤷ Start Trial
Wyeth Pharms	ZOSYN	piperacillin sodium; tazobactam sodium	INJECTABLE;INJECTION	050684-001	Oct 22, 1993	6,900,184	⤷ Start Trial
Wyeth Pharms	ZOSYN	piperacillin sodium; tazobactam sodium	INJECTABLE;INJECTION	050684-004	Oct 22, 1993	6,900,184	⤷ Start Trial
Wyeth Pharms	ZOSYN	piperacillin sodium; tazobactam sodium	INJECTABLE;INJECTION	050684-002	Oct 22, 1993	8,133,883	⤷ Start Trial
Wyeth Pharms	ZOSYN	piperacillin sodium; tazobactam sodium	INJECTABLE;INJECTION	050684-003	Oct 22, 1993	8,133,883	⤷ Start Trial
>Applicant	>Tradename	>Generic Name	>Dosage	>NDA	>Approval Date	>Patent No.	>Patent Expiration

Complete Access Available with Subscription

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

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. We do not provide individual investment advice. This service is not registered with any financial regulatory agency. The information we publish is educational only and based on our opinions plus our models. By using DrugPatentWatch you acknowledge that we do not provide personalized recommendations or advice. 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.