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Last Updated: April 27, 2024

Metformin hydrochloride - Generic Drug Details

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What are the generic sources for metformin hydrochloride and what is the scope of freedom to operate?

Metformin hydrochloride is the generic ingredient in twenty branded drugs marketed by Sun Pharm, Saptalis Pharms, Vistapharm, Ranbaxy, Andrx Labs Llc, Emd Serono Inc, Santarus Inc, Actavis Elizabeth, Actavis Labs Fl Inc, Ajanta Pharma Ltd, Alignscience Pharma, Alkem Labs Ltd, Amneal Pharms Ny, Amta, Apotex, Aurobindo Pharma Ltd, Barr, Beximco Pharms Usa, Cspc Ouyi, Glenmark Pharms Ltd, Granules, Impax Labs, Intellipharmaceutics, Inventia, Ivax Sub Teva Pharms, Laurus, Lupin Ltd, Macleods Pharms Ltd, Marksans Pharma, Micro Labs, Mylan, Mylan Pharms Inc, Nostrum Labs Inc, Nostrum Pharms Llc, Novast Labs, Prinston Inc, Qingdao Baheal Pharm, Ranbaxy Labs Ltd, Rk Pharma, Sandoz, Sciegen Pharms Inc, Sun Pharm Inds (in), Sun Pharm Industries, Teva, Torrent, Torrent Pharms Ltd, Twi Pharms, Unichem, Watson Labs Inc, Yichang Humanwell, Zydus Lifesciences, Alkem, Atlas Pharms Llc, Aurobindo, Chartwell, Dr Reddys Labs Inc, Epic Pharma Llc, Glenmark Generics, Granules India, Harman Finochem, Heritage Pharma, Indicus Pharma, Ipca Labs Ltd, Provident Pharm, Sun Pharm Inds Inc, Sunshine, Torrent Pharms, Watson Labs, Watson Labs Florida, Zydus Hlthcare, Zydus Pharms Usa, Takeda Pharms Usa, Chartwell Rx, Teva Pharms Usa, Novo Nordisk Inc, Sb Pharmco, Astrazeneca Ab, Dr Reddys Labs Sa, Zydus, and Msd Sub Merck, and is included in one hundred and twenty-four NDAs. There are ten patents protecting this compound and two Paragraph IV challenges. Additional information is available in the individual branded drug profile pages.

Metformin hydrochloride has fifty-five patent family members in sixteen countries.

There are forty-three drug master file entries for metformin hydrochloride. Eighty-six suppliers are listed for this compound. There are four tentative approvals for this compound.

Summary for metformin hydrochloride

International Patents:	55
US Patents:	10
Tradenames:	20
Applicants:	80
NDAs:	124
Drug Master File Entries:	43
Finished Product Suppliers / Packagers:	86
Raw Ingredient (Bulk) Api Vendors:	164
Clinical Trials:	2,523
Formulation / Manufacturing:	see details
Patent Litigation and PTAB cases:	See patent lawsuits and PTAB cases for metformin hydrochloride
What excipients (inactive ingredients) are in metformin hydrochloride?	metformin hydrochloride excipients list
DailyMed Link:	metformin hydrochloride at DailyMed

Recent Clinical Trials for metformin hydrochloride

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

Sponsor	Phase
University of Minnesota	Phase 2
The George Institute	Phase 2
MRCF Pty Ltd	Phase 2

See all metformin hydrochloride clinical trials

Generic filers with tentative approvals for METFORMIN HYDROCHLORIDE

Applicant	Application No.	Strength	Dosage Form
⤷ Try a Trial	⤷ Try a Trial	500MG	TABLET, EXTENDED RELEASE;ORAL
⤷ Try a Trial	⤷ Try a Trial	1GM; EQ 50MG BASE	TABLET, EXTENDED RELEASE;ORAL
⤷ Try a Trial	⤷ Try a Trial	500MG; EQ 50MG BASE	TABLET, EXTENDED RELEASE;ORAL

The 'tentative' approval signifies that the product meets all FDA standards for marketing, and, but for the patents / regulatory protections, it would approved.

Pharmacology for metformin hydrochloride

Drug Class	Biguanide

Medical Subject Heading (MeSH) Categories for metformin hydrochloride

Hypoglycemic Agents

Anatomical Therapeutic Chemical (ATC) Classes for metformin hydrochloride

A10BA	Biguanides
A10B	BLOOD GLUCOSE LOWERING DRUGS, EXCL. INSULINS
A10	DRUGS USED IN DIABETES
A	Alimentary tract and metabolism

Paragraph IV (Patent) Challenges for METFORMIN HYDROCHLORIDE

Tradename	Dosage	Ingredient	Strength	NDA	ANDAs Submitted	Submissiondate
RIOMET	Oral Solution	metformin hydrochloride	500 mg/5 mL	021591	1	2018-02-02
GLUMETZA	Extended-release Tablets	metformin hydrochloride	500 mg and 1000 mg	021748	1	2009-07-27
FORTAMET	Extended-release Tablets	metformin hydrochloride	500 mg and 1000 mg	021574	1	2008-10-14

US Patents and Regulatory Information for metformin hydrochloride

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Glossary

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Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Exclusivity Expiration
Watson Labs	METFORMIN HYDROCHLORIDE	metformin hydrochloride	TABLET;ORAL	075979-002	Jan 24, 2002		DISCN	No	No	⤷ Try a Trial	⤷ Try a Trial				⤷ Try a Trial
Dr Reddys Labs Sa	METFORMIN HYDROCHLORIDE; SAXAGLIPTIN HYDROCHLORIDE	metformin hydrochloride; saxagliptin hydrochloride	TABLET, EXTENDED RELEASE;ORAL	207678-001	Aug 9, 2023	AB	RX	No	No	⤷ Try a Trial	⤷ Try a Trial				⤷ Try a Trial
Astrazeneca Ab	KOMBIGLYZE XR	metformin hydrochloride; saxagliptin hydrochloride	TABLET, EXTENDED RELEASE;ORAL	200678-003	Nov 5, 2010		DISCN	Yes	No	⤷ Try a Trial	⤷ Try a Trial	Y			⤷ Try a Trial
Actavis Elizabeth	METFORMIN HYDROCHLORIDE	metformin hydrochloride	TABLET, EXTENDED RELEASE;ORAL	076878-001	Apr 13, 2005		DISCN	No	No	⤷ Try a Trial	⤷ Try a Trial				⤷ Try a Trial
Chartwell Rx	PIOGLITAZONE HYDROCHLORIDE AND METFORMIN HYDROCHLORIDE	metformin hydrochloride; pioglitazone hydrochloride	TABLET;ORAL	091273-002	Apr 16, 2013		DISCN	No	No	⤷ Try a Trial	⤷ Try a Trial				⤷ Try a Trial
Aurobindo Pharma Ltd	METFORMIN HYDROCHLORIDE	metformin hydrochloride	TABLET, EXTENDED RELEASE;ORAL	079118-002	Jul 20, 2012	AB	RX	No	No	⤷ Try a Trial	⤷ Try a Trial				⤷ Try a Trial
Takeda Pharms Usa	ACTOPLUS MET XR	metformin hydrochloride; pioglitazone hydrochloride	TABLET, EXTENDED RELEASE;ORAL	022024-001	May 12, 2009		DISCN	Yes	No	⤷ Try a Trial	⤷ Try a Trial	Y			⤷ Try a Trial
>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 metformin hydrochloride

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Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	Patent No.	Patent Expiration
Santarus Inc	GLUMETZA	metformin hydrochloride	TABLET, EXTENDED RELEASE;ORAL	021748-001	Jun 3, 2005	⤷ Try a Trial	⤷ Try a Trial
Santarus Inc	GLUMETZA	metformin hydrochloride	TABLET, EXTENDED RELEASE;ORAL	021748-001	Jun 3, 2005	⤷ Try a Trial	⤷ Try a Trial
Andrx Labs Llc	FORTAMET	metformin hydrochloride	TABLET, EXTENDED RELEASE;ORAL	021574-001	Apr 27, 2004	⤷ Try a Trial	⤷ Try a Trial
Andrx Labs Llc	FORTAMET	metformin hydrochloride	TABLET, EXTENDED RELEASE;ORAL	021574-002	Apr 27, 2004	⤷ Try a Trial	⤷ Try a Trial
Andrx Labs Llc	FORTAMET	metformin hydrochloride	TABLET, EXTENDED RELEASE;ORAL	021574-002	Apr 27, 2004	⤷ Try a Trial	⤷ Try a Trial
Santarus Inc	GLUMETZA	metformin hydrochloride	TABLET, EXTENDED RELEASE;ORAL	021748-001	Jun 3, 2005	⤷ Try a Trial	⤷ Try a Trial
Emd Serono Inc	GLUCOPHAGE XR	metformin hydrochloride	TABLET, EXTENDED RELEASE;ORAL	021202-001	Oct 13, 2000	⤷ Try a Trial	⤷ Try a Trial
>Applicant	>Tradename	>Generic Name	>Dosage	>NDA	>Approval Date	>Patent No.	>Patent Expiration

International Patents for metformin hydrochloride

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Country	Patent Number	Title	Estimated Expiration
European Patent Office	1476138	FORMULATIONS A LIBERATION MODIFIEE D'AU MOINS UNE FORME DE TRAMADOL (MODIFIED RELEASE FORMULATIONS OF AT LEAST ONE FORM OF TRAMADOL)	⤷ Try a Trial
World Intellectual Property Organization (WIPO)	03072025		⤷ Try a Trial
Brazil	112017001968		⤷ Try a Trial
Mexico	2016014320	COMPOSICIONES DE SUSPENSION DE LIBERACION PROLONGADA. (EXTENDED RELEASE SUSPENSION COMPOSITIONS.)	⤷ Try a Trial
Japan	2018517460	徐放性懸濁組成物用のデュアルチャンバーパック	⤷ Try a Trial
Japan	2005526047		⤷ Try a Trial
Spain	2377729		⤷ Try a Trial
>Country	>Patent Number	>Title	>Estimated Expiration

Supplementary Protection Certificates for metformin hydrochloride

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Patent Number	Supplementary Protection Certificate	SPC Country	SPC Expiration	SPC Description
1532149	CA 2013 00001	Denmark	⤷ Try a Trial	PRODUCT NAME: 8-(3-AMINOPIPERIDIN-1-YL)-7-BUT-2-INYL-3-METHYL-1-(4-METHYLCHINAZOLIN-2-YLMETHYL)-3,7-DIHYDROPURIN-2,6-DION ENANTIOMERER OG SALTE DERAF - SAERLIGT LINAGLIPTIN - I KOMBINATION MED METFORMINHYDROCHLORID; REG. NO/DATE: EU/1/12/780/001-028 20120720
1506211	42/2014	Austria	⤷ Try a Trial	PRODUCT NAME: KOMBINATION VON DAPAGLIFLOZIN ODER EINES PHARMAZEUTISCH VERTRAEGLICHEN SALZES DAVON UND METFORMIN UND EINES PHARMAZEUTISCH VERTRAEGLICHEN SALZES DAVON; REGISTRATION NO/DATE: EU/1/13/900 (MITTEILUNG) 20140121
2498758	PA2020003	Lithuania	⤷ Try a Trial	PRODUCT NAME: METFORMINAS ARBA FARMACINIU POZIURIU PRIIMTINA JO DRUSKA; SAKSAGLIPTINAS ARBA FARMACINIU POZIURIU PRIIMTINA JO DRUSKA; DAPAGLIFLOZINAS ARBA FARMACINIU POZIURIU PRIIMTINAS JO SOLVATAS; REGISTRATION NO/DATE: EU/1/19/1401 20191111
1261586	1290013-0	Sweden	⤷ Try a Trial	PRODUCT NAME: SAXAGLIPTIN/METFORMIN; REG. NO/DATE: EU/1/11/731/001 20111124
1412357	C300357	Netherlands	⤷ Try a Trial	PRODUCT NAME: SITAGLIPTINE, DESGEWENST IN DE VORM VAN EEN FARMACEUTISCH AANVA ARDBAAR ZOUT, IN HET BIJZONDER HET MONOFOSFAAT, EN METFORMINE DESGEWENST IN DE VORM VAN EEN FARMACEUTISCH AANVAARDBAAR ZOUT, IN HET BIJZONDER HET HYDROCHLORIDE; REGISTRATION NO/DATE: EU/1/08/455/001-014 20080716
1506211	179 5017-2014	Slovakia	⤷ Try a Trial	PRODUCT NAME: KOMBINACIA DAPAGLIFLOZINU ALEBO JEHO FARMACEUTICKY PRIJATELNYCH SOLI A METFORMINU ALEBO JEHO FARMACEUTICKY PRIJATELNYCH SOLI; REGISTRATION NO/DATE: EU/1/13/900/001 - EU/1/13/900/012 20140116
1261586	C01261586/02	Switzerland	⤷ Try a Trial	PRODUCT NAME: SAXAGLIPTIN UND METFORMIN; NAT. REGISTRATION NO/DATE: SWISSMEDIC 62040 20120329
>Patent Number	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration	>SPC Description

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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.