JANUMET Drug Patent Profile

Which patents cover Janumet, and when can generic versions of Janumet launch?

Janumet is a drug marketed by Msd Sub Merck and is included in two NDAs. There are two patents protecting this drug and one Paragraph IV challenge.

This drug has sixty-one patent family members in forty countries.

The generic ingredient in JANUMET is metformin hydrochloride; sitagliptin phosphate. There are forty-nine drug master file entries for this compound. Two suppliers are listed for this compound. Additional details are available on the metformin hydrochloride; sitagliptin phosphate profile page.

DrugPatentWatch^® Generic Entry Outlook for Janumet

Janumet was eligible for patent challenges on October 16, 2010.

By analyzing the patents and regulatory protections it appears that the earliest date for generic entry will be May 24, 2027. This may change due to patent challenges or generic licensing.

Annual sales in 2021 were $2.1bn, indicating a strong incentive for generic entry (peak sales were $2.6bn in 2020).

There have been twenty-eight patent litigation cases involving the patents protecting this drug, indicating strong interest in generic launch. Recent data indicate that 63% of patent challenges are decided in favor of the generic patent challenger and that 54% of successful patent challengers promptly launch generic drugs.

There is one tentative approval for the generic drug (metformin hydrochloride; sitagliptin phosphate), which indicates the potential for near-term generic launch.

Indicators of Generic Entry

Summary for JANUMET

International Patents:	61
US Patents:	2
Applicants:	1
NDAs:	2
Finished Product Suppliers / Packagers:	2
Raw Ingredient (Bulk) Api Vendors:	8
Clinical Trials:	16
Formulation / Manufacturing:	see details
Drug Prices:	Drug price information for JANUMET
Drug Sales Revenues:	Drug sales revenues for JANUMET
Patent Litigation and PTAB cases:	See patent lawsuits and PTAB cases for JANUMET
What excipients (inactive ingredients) are in JANUMET?	JANUMET excipients list
DailyMed Link:	JANUMET at DailyMed

See drug prices for JANUMET

See drug sales revenues for JANUMET

DrugPatentWatch^® Estimated Loss of Exclusivity (LOE) Date for JANUMET

NDA:

022044

Dosage:

TABLET;ORAL

^*The generic entry opportunity date is the latter of the last compound-claiming patent and the last regulatory exclusivity protection. Many factors can influence early or later generic entry. This date is provided as a rough estimate of generic entry potential and should not be used as an independent source.

Recent Clinical Trials for JANUMET

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

Sponsor	Phase
Eva Pharma	Phase 1
Genuine Research Center, Egypt	Phase 1
Shahid Beheshti University of Medical Sciences	Phase 1/Phase 2

See all JANUMET clinical trials

Pharmacology for JANUMET

Drug Class	Biguanide Dipeptidyl Peptidase 4 Inhibitor
Mechanism of Action	Dipeptidyl Peptidase 4 Inhibitors

Anatomical Therapeutic Chemical (ATC) Classes for JANUMET

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

A10BH	Dipeptidyl peptidase 4 (DPP-4) inhibitors
A10B	BLOOD GLUCOSE LOWERING DRUGS, EXCL. INSULINS
A10	DRUGS USED IN DIABETES
A	Alimentary tract and metabolism

Paragraph IV (Patent) Challenges for JANUMET

Tradename	Dosage	Ingredient	Strength	NDA	ANDAs Submitted	Submissiondate
JANUMET	Tablets	metformin hydrochloride; sitagliptin phosphate	50 mg/500 mg and 50 mg/1000 mg	022044	5	2010-10-18

US Patents and Regulatory Information for JANUMET

JANUMET is protected by two US patents and two FDA Regulatory Exclusivities.

Generics may enter earlier, or later, based on new patent filings, patent extensions, patent invalidation, early generic licensing, generic entry preferences, and other factors.

Patents protecting JANUMET

FDA Regulatory Exclusivity protecting JANUMET

Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Exclusivity Expiration
Msd Sub Merck	JANUMET	metformin hydrochloride; sitagliptin phosphate	TABLET;ORAL	022044-002	Mar 30, 2007		RX	Yes	Yes					Y
Msd Sub Merck	JANUMET	metformin hydrochloride; sitagliptin phosphate	TABLET;ORAL	022044-001	Mar 30, 2007		RX	Yes	No
Msd Sub Merck	JANUMET	metformin hydrochloride; sitagliptin phosphate	TABLET;ORAL	022044-002	Mar 30, 2007		RX	Yes	Yes
Msd Sub Merck	JANUMET XR	metformin hydrochloride; sitagliptin phosphate	TABLET, EXTENDED RELEASE;ORAL	202270-003	Feb 2, 2012		RX	Yes	Yes					Y
Msd Sub Merck	JANUMET	metformin hydrochloride; sitagliptin phosphate	TABLET;ORAL	022044-001	Mar 30, 2007		RX	Yes	No

Expired US Patents for JANUMET

Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	Patent No.	Patent Expiration
Msd Sub Merck	JANUMET	metformin hydrochloride; sitagliptin phosphate	TABLET;ORAL	022044-002	Mar 30, 2007
Msd Sub Merck	JANUMET	metformin hydrochloride; sitagliptin phosphate	TABLET;ORAL	022044-002	Mar 30, 2007
Msd Sub Merck	JANUMET	metformin hydrochloride; sitagliptin phosphate	TABLET;ORAL	022044-002	Mar 30, 2007
Msd Sub Merck	JANUMET	metformin hydrochloride; sitagliptin phosphate	TABLET;ORAL	022044-001	Mar 30, 2007
Msd Sub Merck	JANUMET	metformin hydrochloride; sitagliptin phosphate	TABLET;ORAL	022044-001	Mar 30, 2007

International Patents for JANUMET

See the table below for patents covering JANUMET around the world.

Country	Patent Number	Title	Estimated Expiration
Australia	721477
Canada	2252576	UTILISATION D'INHIBITEURS DE LA DIPEPTIDYL-PEPTIDASE DE TYPEIV POUR ABAISSER LE NIVEAU DE GLUCOSE DANS LE SANG DES MAMMIFERES (USE OF DIPEPTIDYL PEPTIDASE IV INHIBITORS FOR LOWERING THE BLOOD GLUCOSE LEVEL IN MAMMALS)
Luxembourg	92614
South Korea	100606871
Germany	122010000020

Supplementary Protection Certificates for JANUMET

Patent Number	Supplementary Protection Certificate	SPC Country	SPC Expiration	SPC Description
1412357	SPC/GB07/046	United Kingdom		PRODUCT NAME: SITAGLIPTIN PHOSPHATE MONOHYDRATE; REGISTERED: UK EU/1/07/383/001 20070323; UK EU/1/07/383/002 20070323; UK EU/1/07/383/003 20070323; UK EU/1/07/383/004 20070323; UK EU/1/07/383/005 20070323; UK EU/1/07/383/006 20070323; UK EU/1/07/383/007 20070323; UK EU/1/07/383/008 20070323; UK EU/1/07/383/009 20070323; UK EU/1/07/383/010 20070323; UK EU/1/07/383/011 20070323; UK EU/1/07/383/012 20070323; UK EU/1/07/383/013 20070323; UK EU/1/07/383/014 20070323; UK EU/1/07/383/015 20070323; UK EU/1/07/383/016 20070323; UK EU/1/07/383/017 20070323; UK EU/1/07/383/018 20070323
1412357	CA 2008 00035	Denmark		PRODUCT NAME: SITAGLIPTIN VALGFRIT I FORM AF ET FARMACEUTISK ACCEPTABELT SALT, ISAER MONOPHOSPHAT, METFORMIN VALGFRIT I FORM AF ET FARMACEUTISK ACCEPTABELT SALT, ISAER HYDROCHLORID
1084705	C300708	Netherlands		PRODUCT NAME: LINAGLIPTIN; REGISTRATION NO/DATE: EU/1/11/707/001-011 20111224
1412357	SPC/GB08/040	United Kingdom		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
1412357	C 2007 091	Romania		PRODUCT NAME: (3R)-3-AMINO-1-[9-(TRIFLUOROMETIL)-1,4,7,8-TETRAZABICICLO[4.3.0]NONA-6,8-DIEN-4-IL]-4-(2,4,5-TRIFLUOROFENIL)BUTAN-1-ONA - SITAGLIPTIN; NATIONAL AUTHORISATION NUMBER: RO EU/1/07/383/001 - RO EU/1/07/383/018; DATE OF NATIONAL AUTHORISATION: 20070321; NUMBER OF FIRST AUTHORISATION IN EUROPEAN ECONOMIC AREA (EEA): EU/1/07/383/001 - EU/1/07/383/018; DATE OF FIRST AUTHORISATION IN EEA: 20070321