Last Updated: November 8, 2026

METFORMIN HYDROCHLORIDE; PIOGLITAZONE HYDROCHLORIDE - Generic Drug Details

Name: METFORMIN HYDROCHLORIDE; PIOGLITAZONE HYDROCHLORIDE Generic Launch, Drug Patent, and Exclusivity Dataset
Creator: DrugPatentWatch
License: https://www.drugpatentwatch.com/terms.php

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What are the generic sources for metformin hydrochloride; pioglitazone hydrochloride and what is the scope of patent protection?

Metformin hydrochloride; pioglitazone hydrochloride is the generic ingredient in three branded drugs marketed by Takeda Pharms Usa, Aurobindo Pharma Ltd, Chartwell Rx, Macleods Pharms, Pharmobedient, Teva Pharms Usa, and Torrent Pharms Ltd, and is included in eight NDAs. There are four patents protecting this compound and two Paragraph IV challenges. Additional information is available in the individual branded drug profile pages.

Six suppliers are listed for this compound.

Summary for METFORMIN HYDROCHLORIDE; PIOGLITAZONE HYDROCHLORIDE

International Patents:	113
US Patents:	4
Tradenames:	3
Applicants:	7
NDAs:	8
Finished Product Suppliers / Packagers:	6
Clinical Trials:	166
Patent Litigation and PTAB cases:	See patent lawsuits and PTAB cases for METFORMIN HYDROCHLORIDE; PIOGLITAZONE HYDROCHLORIDE
DailyMed Link:	METFORMIN HYDROCHLORIDE; PIOGLITAZONE HYDROCHLORIDE at DailyMed

Recent Clinical Trials for METFORMIN HYDROCHLORIDE; PIOGLITAZONE HYDROCHLORIDE

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

Sponsor	Phase
The Fourth Affiliated Hospital of Zhejiang University School of Medicine	PHASE4
Boryung Pharmaceutical Co., Ltd	PHASE1
Sun Yat-sen University	PHASE3

See all METFORMIN HYDROCHLORIDE; PIOGLITAZONE HYDROCHLORIDE clinical trials

Pharmacology for METFORMIN HYDROCHLORIDE; PIOGLITAZONE HYDROCHLORIDE

Drug Class	Biguanide Peroxisome Proliferator Receptor alpha Agonist Peroxisome Proliferator Receptor gamma Agonist Thiazolidinedione
Mechanism of Action	Peroxisome Proliferator-activated Receptor alpha Agonists Peroxisome Proliferator-activated Receptor gamma Agonists

Anatomical Therapeutic Chemical (ATC) Classes for METFORMIN HYDROCHLORIDE; PIOGLITAZONE HYDROCHLORIDE

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

A10BG	Thiazolidinediones
A10B	BLOOD GLUCOSE LOWERING DRUGS, EXCL. INSULINS
A10	DRUGS USED IN DIABETES
A	Alimentary tract and metabolism

Paragraph IV (Patent) Challenges for METFORMIN HYDROCHLORIDE; PIOGLITAZONE HYDROCHLORIDE

Tradename	Dosage	Ingredient	Strength	NDA	ANDAs Submitted	Submissiondate
ACTOPLUS MET XR	Extended-release Tablets	metformin hydrochloride; pioglitazone hydrochloride	15 mg/1000 mg and 30 mg/1000 mg	022024	1	2011-09-23

US Patents and Regulatory Information for METFORMIN HYDROCHLORIDE; PIOGLITAZONE 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
Torrent Pharms Ltd	PIOGLITAZONE HYDROCHLORIDE AND METFORMIN HYDROCHLORIDE	metformin hydrochloride; pioglitazone hydrochloride	TABLET;ORAL	202001-002	Feb 13, 2013	AB	RX	No	No	⤷ Start Trial	⤷ Start Trial				⤷ Start Trial
Takeda Pharms Usa	ACTOPLUS MET	metformin hydrochloride; pioglitazone hydrochloride	TABLET;ORAL	021842-002	Aug 29, 2005	AB	RX	Yes	Yes	9,101,660	⤷ Start Trial	Y			⤷ Start Trial
Teva Pharms Usa	PIOGLITAZONE HYDROCHLORIDE AND METFORMIN HYDROCHLORIDE	metformin hydrochloride; pioglitazone hydrochloride	TABLET;ORAL	091155-001	Mar 10, 2014	AB	RX	No	No	⤷ Start Trial	⤷ Start Trial				⤷ Start Trial
Takeda Pharms Usa	ACTOPLUS MET XR	metformin hydrochloride; pioglitazone hydrochloride	TABLET, EXTENDED RELEASE;ORAL	022024-002	May 12, 2009		DISCN	Yes	No	7,959,946	⤷ Start Trial	Y			⤷ Start 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; PIOGLITAZONE HYDROCHLORIDE

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Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	Patent No.	Patent Expiration
Takeda Pharms Usa	ACTOPLUS MET XR	metformin hydrochloride; pioglitazone hydrochloride	TABLET, EXTENDED RELEASE;ORAL	022024-001	May 12, 2009	7,785,627	⤷ Start Trial
Takeda Pharms Usa	ACTOPLUS MET	metformin hydrochloride; pioglitazone hydrochloride	TABLET;ORAL	021842-002	Aug 29, 2005	6,166,042	⤷ Start Trial
Takeda Pharms Usa	ACTOPLUS MET	metformin hydrochloride; pioglitazone hydrochloride	TABLET;ORAL	021842-001	Aug 29, 2005	5,965,584	⤷ Start Trial
Takeda Pharms Usa	ACTOPLUS MET XR	metformin hydrochloride; pioglitazone hydrochloride	TABLET, EXTENDED RELEASE;ORAL	022024-001	May 12, 2009	6,166,042	⤷ Start Trial
>Applicant	>Tradename	>Generic Name	>Dosage	>NDA	>Approval Date	>Patent No.	>Patent Expiration

International Patents for METFORMIN HYDROCHLORIDE; PIOGLITAZONE HYDROCHLORIDE

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Country	Patent Number	Title	Estimated Expiration
Argentina	054238	COMPOSICION FARMACEUTICA QUE CONTIENE UNA BIGUANIDA Y UN DERIVADO DE TIAZOLIDINDIONA	⤷ Start Trial
Australia	2003272504	NOVEL PHARMACEUTICAL FORMULATION CONTAINING A BIGUANIDE AND A THIAZOLIDINEDIONE DERIVATIVE	⤷ Start Trial
Australia	2004283059	Novel pharmaceutical formulation containing a biguanide and a thiazolidinedione derivative	⤷ Start Trial
Australia	2006232993	Novel pharmaceutical formulation containing a biguanide and a thiazolidinedione derivative	⤷ Start Trial
>Country	>Patent Number	>Title	>Estimated Expiration

Supplementary Protection Certificates for METFORMIN HYDROCHLORIDE; PIOGLITAZONE HYDROCHLORIDE

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Patent Number	Supplementary Protection Certificate	SPC Country	SPC Expiration	SPC Description
1506211	CR 2014 00037	Denmark	⤷ Start Trial	PRODUCT NAME: ET KOMBINATIONSPRODUKT AF DAPAGLIFLOZIN ELLER ET FARMACEUTISK ACCEPTABELT SALT DERAF, HERUNDER DAPAGLIFLOZINPROPANDIOLMONOHYDRAT OG METFORMIN ELLER SALTE DERAF, HERUNDER METFORMINHYDROCHLORID; REG. NO/DATE: EU/1/13/900 20140116
1261586	C300524	Netherlands	⤷ Start Trial	PRODUCT NAME: COMBINATIE VAN SAXAGLIPTINE EN METFORMINE, DESGEWENST IN DE VORM VAN FARMACEUTISCH AANVAARDBARE AFGELEIDEN DAARVAN; NAT. REGISTRATION NO/DATE: EU/1/11/731/001-012 20111124; FIRST REGISTRATION:
2498758	122020000018	Germany	⤷ Start Trial	PRODUCT NAME: METFORMIN ODER EIN PHARMAZEUTISCH AKZEPTABLES SALZ DAVON; SAXAGLIPTIN ODER EIN PHARMAZEUTISCH AKZEPTABLES SALZ DAVON; DAPAGLIFLOZIN ODER EIN PHARMAZEUTISCH AKZEPTABLES SOLVAT DAVON; REGISTRATION NO/DATE: EU/1/19/1401 20191111
1412357	C300357	Netherlands	⤷ Start 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
>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. 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.