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Last Updated: July 21, 2024

VISTARIL Drug Patent Profile


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

Vistaril is a drug marketed by Pfizer and is included in three NDAs.

The generic ingredient in VISTARIL is hydroxyzine hydrochloride. There are nineteen drug master file entries for this compound. Forty suppliers are listed for this compound. Additional details are available on the hydroxyzine hydrochloride profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Vistaril

A generic version of VISTARIL was approved as hydroxyzine hydrochloride by CHARTWELL RX on April 12th, 1982.

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Drug patent expirations by year for VISTARIL
Drug Prices for VISTARIL

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Drug Sales Revenue Trends for VISTARIL

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Recent Clinical Trials for VISTARIL

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SponsorPhase
Sultan Qaboos UniversityPhase 4
University of Colorado, DenverN/A
Stanford UniversityN/A

See all VISTARIL clinical trials

Pharmacology for VISTARIL
Drug ClassAntihistamine
Mechanism of ActionHistamine Receptor Antagonists

US Patents and Regulatory Information for VISTARIL

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Pfizer VISTARIL hydroxyzine pamoate CAPSULE;ORAL 011459-002 Approved Prior to Jan 1, 1982 AB RX Yes No ⤷  Sign Up ⤷  Sign Up ⤷  Sign Up
Pfizer VISTARIL hydroxyzine hydrochloride INJECTABLE;INJECTION 011111-001 Approved Prior to Jan 1, 1982 DISCN Yes No ⤷  Sign Up ⤷  Sign Up ⤷  Sign Up
Pfizer VISTARIL hydroxyzine pamoate CAPSULE;ORAL 011459-004 Approved Prior to Jan 1, 1982 AB RX Yes No ⤷  Sign Up ⤷  Sign Up ⤷  Sign Up
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Exclusivity Expiration

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