QTERN Drug Patent Profile

Which patents cover Qtern, and what generic alternatives are available?

Qtern is a drug marketed by Astrazeneca Ab and is included in two NDAs. There are nine patents protecting this drug and two Paragraph IV challenges.

This drug has three hundred and seventy-five patent family members in forty-nine countries.

The generic ingredient in QTERN is dapagliflozin; metformin hydrochloride; saxagliptin hydrochloride. There are twenty-six drug master file entries for this compound. Additional details are available on the dapagliflozin; metformin hydrochloride; saxagliptin hydrochloride profile page.

DrugPatentWatch^® Generic Entry Outlook for Qtern

Qtern was eligible for patent challenges on January 8, 2018.

By analyzing the patents and regulatory protections it appears that the earliest date for generic entry will be December 16, 2029. This may change due to patent challenges or generic licensing.

There have been sixteen 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.

Indicators of Generic Entry

Summary for QTERN

International Patents:	375
US Patents:	8
Applicants:	1
NDAs:	2
Finished Product Suppliers / Packagers:	1
Raw Ingredient (Bulk) Api Vendors:	1
Formulation / Manufacturing:	see details
Drug Prices:	Drug price information for QTERN
Patent Litigation and PTAB cases:	See patent lawsuits and PTAB cases for QTERN
What excipients (inactive ingredients) are in QTERN?	QTERN excipients list
DailyMed Link:	QTERN at DailyMed

See drug prices for QTERN

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

NDA:

209091

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.

Pharmacology for QTERN

Drug Class	Dipeptidyl Peptidase 4 Inhibitor Sodium-Glucose Cotransporter 2 Inhibitor
Mechanism of Action	Dipeptidyl Peptidase 4 Inhibitors Sodium-Glucose Transporter 2 Inhibitors

Anatomical Therapeutic Chemical (ATC) Classes for QTERN

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

A10BK	Sodium-glucose co-transporter 2 (SGLT2) inhibitors
A10B	BLOOD GLUCOSE LOWERING DRUGS, EXCL. INSULINS
A10	DRUGS USED IN DIABETES
A	Alimentary tract and metabolism

Paragraph IV (Patent) Challenges for QTERN

Tradename	Dosage	Ingredient	Strength	NDA	ANDAs Submitted	Submissiondate
QTERN	Tablets	dapagliflozin; saxagliptin hydrochloride	5 mg/5 mg	209091	1	2020-07-29
QTERN	Tablets	dapagliflozin; saxagliptin hydrochloride	10 mg/5 mg	209091	5	2018-01-08

US Patents and Regulatory Information for QTERN

QTERN is protected by twelve US patents.

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 QTERN

Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Exclusivity Expiration
Astrazeneca Ab	QTERNMET XR	dapagliflozin; metformin hydrochloride; saxagliptin hydrochloride	TABLET, EXTENDED RELEASE;ORAL	210874-003	May 2, 2019		DISCN	Yes	No			Y
Astrazeneca Ab	QTERNMET XR	dapagliflozin; metformin hydrochloride; saxagliptin hydrochloride	TABLET, EXTENDED RELEASE;ORAL	210874-002	May 2, 2019		DISCN	Yes	No			Y
Astrazeneca Ab	QTERNMET XR	dapagliflozin; metformin hydrochloride; saxagliptin hydrochloride	TABLET, EXTENDED RELEASE;ORAL	210874-004	May 2, 2019		DISCN	Yes	No			Y

Expired US Patents for QTERN

Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	Patent No.	Patent Expiration
Astrazeneca Ab	QTERN	dapagliflozin; saxagliptin hydrochloride	TABLET;ORAL	209091-002	May 2, 2019
Astrazeneca Ab	QTERN	dapagliflozin; saxagliptin hydrochloride	TABLET;ORAL	209091-001	Feb 27, 2017
Astrazeneca Ab	QTERN	dapagliflozin; saxagliptin hydrochloride	TABLET;ORAL	209091-001	Feb 27, 2017

International Patents for QTERN

When does loss-of-exclusivity occur for QTERN?

Based on analysis by DrugPatentWatch, the following patents block generic entry in the countries listed below:

Argentina

Australia

Brazil

Canada

Chile

China

Colombia

Croatia

Cyprus

Denmark

Eurasian Patent Organization

European Patent Office

Hong Kong

Israel

Japan

Malaysia

Mexico

New Zealand

Norway

Peru

Philippines

Poland

Portugal

Serbia

Singapore

Slovenia

South Africa

South Korea

Spain

Taiwan

Ukraine

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

See the table below for additional patents covering QTERN around the world.

Country	Patent Number	Title	Estimated Expiration
China	101686988	Pharmaceutical formulations containing dapagliflozin propylene glycol hydrate
Hong Kong	1176004	含有達格列嗪丙二醇水合物的藥物製劑 (PHARMACEUTICAL FORMULATIONS CONTAINING DAPAGLIFLOZIN PROPYLENE GLYCOL HYDRATE)
Japan	2017222681	糖尿病の治療用ＳＧＬＴ２阻害剤としてのアミノ酸を有する（１Ｓ）−１，５−アンヒドロ−１−Ｃ−（３−（（フェニル）メチル）フェニル）−Ｄ−グルシトール誘導体の結晶性溶媒和物および複合体 (CRYSTALLINE SOLVATES AND COMPLEXES OF (1S)-1,5-ANHYDRO-1-C-(3-((PHENYL)METHYL)PHENYL)-D-GLUCITOL DERIVATIVES WITH AMINO ACIDS AS SGLT2 INHIBITORS FOR TREATMENT OF DIABETES)

Supplementary Protection Certificates for QTERN

Patent Number	Supplementary Protection Certificate	SPC Country	SPC Expiration	SPC Description
1261586	4/2010	Austria		PRODUCT NAME: SAXAGLIPTIN UND PHARMAZEUTISCH VERTRAEGLICHE SALZE DAVON, BEINHALTEND SAXAGLIPTINHYDROCHLORID; REGISTRATION NO/DATE: EU/1/09/545/001-010 20091001
2139494	34/2020	Austria		PRODUCT NAME: DAPAGLIFLOZIN PROPYLENGYLKOL HYDRAT/SAXAGLIPTIN; REGISTRATION NO/DATE: EU/1/16/1108 (MITTEILUNG) 20160715
2139494	C202030045	Spain		PRODUCT NAME: SAXAGLIPTINA + DAPAGLIFOZINA; NATIONAL AUTHORISATION NUMBER: EU/1/16/1108; DATE OF AUTHORISATION: 20160715; NUMBER OF FIRST AUTHORISATION IN EUROPEAN ECONOMIC AREA (EEA): EU/1/16/1108; DATE OF FIRST AUTHORISATION IN EEA: 20160715