METFORMIN HYDROCHLORIDE; SITAGLIPTIN PHOSPHATE - Generic Drug Details

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

Metformin hydrochloride; sitagliptin phosphate is the generic ingredient in two branded drugs marketed by Msd Sub Merck and is included in two NDAs. There are two patents protecting this compound and three Paragraph IV challenges. Additional information is available in the individual branded drug profile pages.

Metformin hydrochloride; sitagliptin phosphate has sixty-one patent family members in forty countries.

Two suppliers are listed for this compound. There is one tentative approval for this compound.

Summary for METFORMIN HYDROCHLORIDE; SITAGLIPTIN PHOSPHATE

International Patents:	61
US Patents:	2
Tradenames:	2
Applicants:	1
NDAs:	2
Finished Product Suppliers / Packagers:	2
Clinical Trials:	4
Patent Litigation and PTAB cases:	See patent lawsuits and PTAB cases for METFORMIN HYDROCHLORIDE; SITAGLIPTIN PHOSPHATE
DailyMed Link:	METFORMIN HYDROCHLORIDE; SITAGLIPTIN PHOSPHATE at DailyMed

DrugPatentWatch^® Estimated Loss of Exclusivity (LOE) Date for METFORMIN HYDROCHLORIDE; SITAGLIPTIN PHOSPHATE

Dosage:

TABLET, EXTENDED RELEASE;ORAL

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 METFORMIN HYDROCHLORIDE; SITAGLIPTIN PHOSPHATE

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

Sponsor	Phase
The Affiliated Hospital of Qingdao University	Phase 1
First Affiliated Hospital Xi'an Jiaotong University	N/A
Merck Sharp & Dohme Corp.

See all METFORMIN HYDROCHLORIDE; SITAGLIPTIN PHOSPHATE clinical trials

Generic filers with tentative approvals for METFORMIN HYDROCHLORIDE; SITAGLIPTIN PHOSPHATE

Applicant	Application No.	Strength	Dosage Form
		1GM; EQ 100MG BASE	TABLET, EXTENDED RELEASE;ORAL
		1GM; EQ 50MG BASE	TABLET, EXTENDED RELEASE;ORAL
		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; SITAGLIPTIN PHOSPHATE

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

Paragraph IV (Patent) Challenges for METFORMIN HYDROCHLORIDE; SITAGLIPTIN PHOSPHATE

Tradename	Dosage	Ingredient	Strength	NDA	ANDAs Submitted	Submissiondate
JANUMET XR	Extended-release Tablets	metformin hydrochloride; sitagliptin phosphate	100 mg/1000 mg	202270	1	2012-10-22
JANUMET XR	Extended-release Tablets	metformin hydrochloride; sitagliptin phosphate	50 mg/500 mg and 50 mg/1000 mg	202270	1	2012-03-16
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 METFORMIN HYDROCHLORIDE; SITAGLIPTIN PHOSPHATE

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					Y
Msd Sub Merck	JANUMET XR	metformin hydrochloride; sitagliptin phosphate	TABLET, EXTENDED RELEASE;ORAL	202270-001	Feb 2, 2012		RX	Yes	No					Y
Msd Sub Merck	JANUMET XR	metformin hydrochloride; sitagliptin phosphate	TABLET, EXTENDED RELEASE;ORAL	202270-002	Feb 2, 2012		RX	Yes	No					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	202270-002	Feb 2, 2012		RX	Yes	No

Expired US Patents for METFORMIN HYDROCHLORIDE; SITAGLIPTIN PHOSPHATE

Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	Patent No.	Patent Expiration
Msd Sub Merck	JANUMET XR	metformin hydrochloride; sitagliptin phosphate	TABLET, EXTENDED RELEASE;ORAL	202270-002	Feb 2, 2012
Msd Sub Merck	JANUMET XR	metformin hydrochloride; sitagliptin phosphate	TABLET, EXTENDED RELEASE;ORAL	202270-001	Feb 2, 2012
Msd Sub Merck	JANUMET	metformin hydrochloride; sitagliptin phosphate	TABLET;ORAL	022044-002	Mar 30, 2007
Msd Sub Merck	JANUMET XR	metformin hydrochloride; sitagliptin phosphate	TABLET, EXTENDED RELEASE;ORAL	202270-001	Feb 2, 2012
Msd Sub Merck	JANUMET XR	metformin hydrochloride; sitagliptin phosphate	TABLET, EXTENDED RELEASE;ORAL	202270-002	Feb 2, 2012
Msd Sub Merck	JANUMET	metformin hydrochloride; sitagliptin phosphate	TABLET;ORAL	022044-001	Mar 30, 2007
Msd Sub Merck	JANUMET XR	metformin hydrochloride; sitagliptin phosphate	TABLET, EXTENDED RELEASE;ORAL	202270-003	Feb 2, 2012

International Patents for METFORMIN HYDROCHLORIDE; SITAGLIPTIN PHOSPHATE

Country	Patent Number	Title	Estimated Expiration
Iceland	2792
Peru	20050696	SAL DIHIDROGENOFOSFATO DE 4-OXO-4-[3-(TRIFLUOROMETIL)-5,6-DIHIDRO[1,2,4]TRIAZOLO[4,3-a]PIRAZIN-7(8H)-IL]-1-(2,4,5-TRIFLUOROFENIL)BUTAN-2-AMINA COMO INHIBIDOR DE LA DIPEPTIDIL PEPTIDASA IV
Japan	2006516268
Taiwan	200524610	Phosphoric acid salt of a dipeptidyl peptidase-IV inhibitor
Canada	2633167	COMPOSITIONS PHARMACEUTIQUES CONTENANT DES COMBINAISONS D'INHIBITEURS DE LA DIPEPTIDYLPEPTIDASE 4 AVEC DE LA METFORMINE (PHARMACEUTICAL COMPOSITIONS OF COMBINATIONS OF DIPEPTIDYL PEPTIDASE-4 INHIBITORS WITH METFORMIN)
South Korea	20060026061	PHOSPHORIC ACID SALT OF A DIPEPTIDYL-PEPTIDASE-IV INHIBITOR
South Korea	20080022232	CRYSTALLINE MONOHYDRATE OF A PHOSPHORIC ACID SALT OF A DIPEPTIDYL PEPTIDASE-IV INHIBITOR

Supplementary Protection Certificates for METFORMIN HYDROCHLORIDE; SITAGLIPTIN PHOSPHATE

Patent Number	Supplementary Protection Certificate	SPC Country	SPC Expiration	SPC Description
1412357	C 2008 016	Romania		PRODUCT NAME: SITAGLIPTIN OPTIONAL SUB FORMA DE SARE ACCEPTABILAFARMACEUTIC IN SPECIAL MONOFOSFAT + METFORMIN OPTIONAL SUB FORMA DE SARE ACCEPTABILA FARMACEUTIC IN SPECIALCLORHIDRAT; NATIONAL AUTHORISATION NUMBER: RO EU/1/08/455/001 - RO EU/1/08/455/014; DATE OF NATIONAL AUTHORISATION: 20080716; NUMBER OF FIRST AUTHORISATION IN EUROPEAN ECONOMIC AREA (EEA): CH 58450 01, CH 58450 02, CH 58450 03; DATE OF FIRST AUTHORISATION IN EEA: 20080408
1412357	132008901682802	Italy		PRODUCT NAME: SITAGLIPTIN/METFORMINA CLORIDRATO(JANUMET, VELMETIA, EFFICIB); AUTHORISATION NUMBER(S) AND DATE(S): JANUMET:EU/1/08/455/001... 014; VELMETIA:EU/1/08/456/001...014;EFFICIB: EU/1/08/457/001....014, 20080716;58450-01;58450-02; 58450-03, 20080408
1412357	122008000046	Germany		PRODUCT NAME: SITAGLIPTIN, GEGEBENENFALLS IN FORM EINES PHARMAZEUTISCH ANNEHMBAREN SALZES, INSBESONDERE SITAGLIPTINPHOSPHAT- MONOHYDRAT, IN KOMBINATION MIT METFORMIN, GEGEBENENFALLS IN FORM EINES PHARMAZEUTISCH ANNEHMBAREN SALZES, INSBESONDERE DES HYDROCHLORIDS; NAT. REGISTRATION NO/DATE: EU/1/08/455/001-014 20080716 FIRST REGISTRATION: CH/LI 58450 01 58450 02 58450 03 20080408
2498758	PA2020003	Lithuania		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
2498758	CA 2020 00017	Denmark		PRODUCT NAME: METFORMIN ELLER ET FARMACEUTISK ACCEPTABELT SALT DERAF; SAXAGLIPTIN ELLER ET FARMACEUTISK ACCEPTABELT SALT DERAF; DAPAGLIFLOZIN ELLER ET FARMACEUTISK ACCEPTABELT SOLVAT DERAF; REG. NO/DATE: EU/1/19/1401 20191113
1412357	50/2008	Austria		PRODUCT NAME: SITAGLIPTIN, GEGEBENENFALLS IN DER FORM EINES PHARMAZEUTISCH ANNEHMBAREN SALZES, INSBESONDERE ALS MONOPHOSPHAT, UND METFORMIN, GEGEBENENFALLS IN FORM EINES PHARMAZEUTISCH ANNEHMBAREN SALZES, INSBESONDERE DES HYDROCHLORIDS; NAT. REGISTRATION NO/DATE: EU/1/08/455/001-014, EU/1/08/456/001-014, EU/1/08/457/001-014 20080716; FIRST REGISTRATION: CH 58450 01-03 20080408
1412357	DO 77; 5006-2008	Slovakia		PRODUCT NAME: SITAGLIPTIN A METFORMIN; REGISTRATION NO/DATE: EU/1/08/455/001-014 20080716