Last Updated: May 12, 2026

Competitive Generic Therapies: Off-Patent Drugs With 1 Source

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This table lists drugs which, despite having no patents or regulatory protections, have a limited number of active sources.

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Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Strength
Mission Pharma	LITHOSTAT	acetohydroxamic acid	TABLET;ORAL	018749-001	May 31, 1983		RX	Yes	Yes	250MG
Bausch And Lomb	MIOCHOL-E	acetylcholine chloride	FOR SOLUTION;OPHTHALMIC	020213-001	Sep 22, 1993		RX	Yes	Yes	20MG/VIAL
Bausch	XERESE	acyclovir; hydrocortisone	CREAM;TOPICAL	022436-001	Jul 31, 2009		RX	Yes	Yes	5%;1%
3m	AVAGARD	alcohol; chlorhexidine gluconate	SOLUTION;TOPICAL	021074-001	Jun 7, 2001		OTC	Yes	Yes	61%;1%
Rising	ALFENTA	alfentanil hydrochloride	INJECTABLE;INJECTION	019353-001	Dec 29, 1986		RX	Yes	Yes	EQ 0.5MG BASE/ML
>Applicant	>Tradename	>Generic Name	>Dosage	>NDA	>Approval Date	>TE	>Type	>RLD	>RS	>Strength

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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. 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.