METFORMIN HYDROCHLORIDE; SITAGLIPTIN PHOSPHATE - Generic Drug Details

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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:	8
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

Generic Entry Dates for METFORMIN HYDROCHLORIDE; SITAGLIPTIN PHOSPHATE^: ⤷ Sign Up* Constraining patent/regulatory exclusivity: ⤷ Sign Up Dosage: TABLET, EXTENDED RELEASE;ORAL
Generic Entry Dates for METFORMIN HYDROCHLORIDE; SITAGLIPTIN PHOSPHATE^: ⤷ Sign Up* Constraining patent/regulatory exclusivity: ⤷ Sign Up 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
Galenicum Health	Phase 1
The Affiliated Hospital of Qingdao University	Phase 1
First Affiliated Hospital Xi'an Jiaotong University	N/A

See all METFORMIN HYDROCHLORIDE; SITAGLIPTIN PHOSPHATE clinical trials

Generic filers with tentative approvals for METFORMIN HYDROCHLORIDE; SITAGLIPTIN PHOSPHATE

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

Anatomical Therapeutic Chemical (ATC) Classes for METFORMIN HYDROCHLORIDE; SITAGLIPTIN PHOSPHATE

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 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

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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
Msd Sub Merck	JANUMET	metformin hydrochloride; sitagliptin phosphate	TABLET;ORAL	022044-002	Mar 30, 2007		RX	Yes	Yes	⤷ Sign Up	⤷ Sign Up				⤷ Sign Up
Msd Sub Merck	JANUMET XR	metformin hydrochloride; sitagliptin phosphate	TABLET, EXTENDED RELEASE;ORAL	202270-003	Feb 2, 2012		RX	Yes	Yes	⤷ Sign Up	⤷ Sign Up			Y	⤷ Sign Up
Msd Sub Merck	JANUMET	metformin hydrochloride; sitagliptin phosphate	TABLET;ORAL	022044-001	Mar 30, 2007		RX	Yes	No	⤷ Sign Up	⤷ Sign Up			Y	⤷ Sign Up
>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; SITAGLIPTIN PHOSPHATE

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

International Patents for METFORMIN HYDROCHLORIDE; SITAGLIPTIN PHOSPHATE

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Country	Patent Number	Title	Estimated Expiration
World Intellectual Property Organization (WIPO)	2007078726		⤷ Sign Up
China	100430397		⤷ Sign Up
Montenegro	P60208	SO FOSFORNE KISJELINE I INHIBITORA DIPEPTIDIL PEPTIDAZE-IV (PHOSPHORIC ACID SALT OF A DIPEPTIDYL PEPTIDASE-IV INHIBITOR)	⤷ Sign Up
>Country	>Patent Number	>Title	>Estimated Expiration

Supplementary Protection Certificates for METFORMIN HYDROCHLORIDE; SITAGLIPTIN PHOSPHATE

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Patent Number	Supplementary Protection Certificate	SPC Country	SPC Expiration	SPC Description
1532149	92128	Luxembourg	⤷ Sign Up	PRODUCT NAME: 8-(3-AMINOPIPERIDIN-1-YL)-7-BUT-2-INYL-3-METHYL-1-(4-METHYLCHINAZOLIN-2-YLMETHYL)-3, 7-DIHYDROPURIN-2, 6-DION, LES ENANTIOMERES ET LEURS SELS, EN PARTICULIER LA LINAGLIPTINE COMBINEE AVEC DU CHLORHYDRATE DE METFORMINE. LINAGLIPTINE
2498758	132020000000034	Italy	⤷ Sign Up	PRODUCT NAME: METFORMINA O UN SUO SALE FARMACEUTICAMENTE ACCETTABILE; SAXAGLIPTIN O UN SUO SALE FARMACEUTICAMENTE ACCETTABILE; DAPAGLIFLOZIN O UN SUO SOLVATO FARMACEUTICAMENTE ACCETTABILE.(QTRILMET); AUTHORISATION NUMBER(S) AND DATE(S): EU/1/19/1401, 20191113
1412357	132008901682802	Italy	⤷ Sign Up	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
>Patent Number	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration	>SPC Description

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