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

Last Updated: December 31, 2025

Competitive Generic Therapies: Off-Patent Drugs With 4 Sources

✉ Email this page to a colleague

« Back to Dashboard

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

+ Get email alerts for changes to this table

Subscribe to access the full database, or Get Started Free
Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Strength
Bionpharma	ACAMPROSATE CALCIUM	acamprosate calcium	TABLET, DELAYED RELEASE;ORAL	219904-001	Sep 18, 2025	AB	RX	No	No	333MG
Glenmark Pharms Ltd	ACAMPROSATE CALCIUM	acamprosate calcium	TABLET, DELAYED RELEASE;ORAL	202229-001	Jul 16, 2013	AB	RX	No	No	333MG
Mylan	ACAMPROSATE CALCIUM	acamprosate calcium	TABLET, DELAYED RELEASE;ORAL	200142-001	Mar 11, 2014	AB	RX	No	No	333MG
Zydus Pharms	ACAMPROSATE CALCIUM	acamprosate calcium	TABLET, DELAYED RELEASE;ORAL	205995-001	May 26, 2017	AB	RX	No	Yes	333MG
>Applicant	>Tradename	>Generic Name	>Dosage	>NDA	>Approval Date	>TE	>Type	>RLD	>RS	>Strength

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.