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Last Updated: April 29, 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 100MG BASE	TABLET, EXTENDED RELEASE;ORAL
⤷ Try a Trial	⤷ Try a Trial	1GM; 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
Ivax Sub Teva Pharms	METFORMIN HYDROCHLORIDE	metformin hydrochloride	TABLET, EXTENDED RELEASE;ORAL	076545-001	Dec 1, 2003		DISCN	No	No	⤷ Try a Trial	⤷ Try a Trial				⤷ Try a Trial
Twi Pharms	METFORMIN HYDROCHLORIDE	metformin hydrochloride	TABLET, EXTENDED RELEASE;ORAL	213247-002	Sep 29, 2021	AB2	RX	No	No	⤷ Try a Trial	⤷ Try a Trial				⤷ Try a Trial
Teva	ROSIGLITAZONE MALEATE AND METFORMIN HYDROCHLORIDE	metformin hydrochloride; rosiglitazone maleate	TABLET;ORAL	077337-002	May 7, 2014		DISCN	No	No	⤷ Try a Trial	⤷ Try a Trial				⤷ Try a Trial
Novo Nordisk Inc	PRANDIMET	metformin hydrochloride; repaglinide	TABLET;ORAL	022386-002	Jun 23, 2008		DISCN	Yes	No	⤷ Try a Trial	⤷ Try a Trial				⤷ Try a Trial
Sunshine	METFORMIN HYDROCHLORIDE	metformin hydrochloride	TABLET;ORAL	208999-002	Oct 12, 2018		DISCN	No	No	⤷ Try a Trial	⤷ Try a Trial				⤷ Try a Trial
Teva	METFORMIN HYDROCHLORIDE	metformin hydrochloride	TABLET;ORAL	076328-002	Dec 16, 2002		DISCN	No	No	⤷ Try a Trial	⤷ Try a Trial				⤷ 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
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
Emd Serono Inc	GLUCOPHAGE XR	metformin hydrochloride	TABLET, EXTENDED RELEASE;ORAL	021202-001	Oct 13, 2000	⤷ 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
Emd Serono Inc	GLUCOPHAGE XR	metformin hydrochloride	TABLET, EXTENDED RELEASE;ORAL	021202-004	Apr 11, 2003	⤷ 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
>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	3288518		⤷ Try a Trial
Japan	2017524471	二重室の包装体	⤷ Try a Trial
World Intellectual Property Organization (WIPO)	2017182851		⤷ Try a Trial
Japan	2010155864	MODIFIED RELEASE PHARMACEUTICAL COMPOSITION OF AT LEAST ONE FORM OF TRAMADOL	⤷ Try a Trial
Japan	2005526047		⤷ Try a Trial
Canada	2476496	FORMES POSOLOGIQUES A LIBERATION CONTROLEE (CONTROLLED RELEASE DOSAGE FORMS)	⤷ 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
2498758	16/2020	Austria	⤷ Try a Trial	PRODUCT NAME: METFORMIN ODER EIN PHARMAZEUTISCH VERTRAEGLICHES SALZ DAVON; SAXAGLIPTIN ODER EIN PHARMAZEUTISCH VERTRAEGLICHES SALZ DAVON; DAPAGLIFLOZIN ODER EIN PHARMAZEUTISCH VERTRAEGLICHES SOLVAT DAVON; REGISTRATION NO/DATE: EU/1/19/1401 (MITTEILUNG) 20191113
1261586	15/2012	Austria	⤷ Try a Trial	PRODUCT NAME: KOMBINATIONSPRODUKT VON SAXAGLIPTIN UND METFORMIN UND PHARMAZEUTISCH VERTRAEGLICHE SALZE DAVON, BEINHALTEND DIE HYDROCHLORIDSALZE VON SAXAGLIPTIN UND METFORMIN; REGISTRATION NO/DATE: EU/1/11/731/001-EU/1/11/731/012 20111124
1261586	1290013-0	Sweden	⤷ Try a Trial	PRODUCT NAME: SAXAGLIPTIN/METFORMIN; REG. NO/DATE: EU/1/11/731/001 20111124
1412357	DO 77; 5006-2008	Slovakia	⤷ Try a Trial	PRODUCT NAME: SITAGLIPTIN A METFORMIN; REGISTRATION NO/DATE: EU/1/08/455/001-014 20080716
1412357	SPC/GB08/040	United Kingdom	⤷ Try a Trial	PRODUCT NAME: SITAGLIPTIN OPTIONALLY IN THE FORM OF A PHARMACEUTICALLY ACCEPTABLE SALT, IN PARTICULAR THE MONOPHOSPHATE, PLUS METFORMIN OPTIONALLY IN THE FORM OF A PHARMACEUTICALLY ACCEPTABLE SALT, IN PARTICULAR THE HYDROCHLORIDE.; REGISTERED: CH 58450 01-03 20080408; UK EU/1/08/455/001 20080716; UK EU/1/08/455/002 20080716; UK EU/1/08/455/003 20080716; UK EU/1/08/455/004 20080716; UK EU/1/08/455/005 20080716; UK EU/1/08/455/006 20080716; UK EU/1/08/455/007 20080716; UK EU/1/08/455/008 20080716; UK EU/1/08/455/009 20080716; UK EU/1/08/455/010 20080716; UK EU/1/08/455/011 20080716; UK EU/1/08/455/012 20080716; UK EU/1/08/455/013 20080716; UK EU/1/08/455/014 20080716
2498758	PA2020003,C2498758	Lithuania	⤷ Try a Trial	PRODUCT NAME: METFORMINO HIDROCHLORIDAS; SAKSAGLIPTINAS ARBA FARMACINIU POZIURIU PRIIMTINA JO DRUSKA; DAPAGLIFLOZINAS ARBA FARMACINIU POZIURIU PRIIMTINAS JO SOLVATAS; REGISTRATION NO/DATE: EU/1/19/1401 20191111
>Patent Number	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration	>SPC Description

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