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Last Updated: April 18, 2024

Metronidazole - Generic Drug Details

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What are the generic sources for metronidazole and what is the scope of patent protection?

Metronidazole is the generic ingredient in twenty branded drugs marketed by Pfizer, Able, Alembic, Chartwell Rx, Galderma Labs Lp, Cosette, Fougera Pharms, Zydus Lifesciences, Bausch, Encube, Taro, Glenmark Pharms Ltd, Padagis Israel, Solaris Pharma Corp, Chemo Research Sl, Teva Pharms, Baxter Hlthcare, B Braun, Abbott, Abraxis Pharm, Hikma, Intl Medication, Watson Labs, Amneal, Baxter Hlthcare Corp, Gland Pharma Ltd, Hospira, Inforlife, Rising, Saptalis Pharms, Labs Af, Alembic Pharms Ltd, Aurobindo Pharma Ltd, Cadila, Cadila Pharms Ltd, Chartwell Molecules, Flamingo Pharms, Fosun Pharma, Halsey, Heritage Pharms Inc, Innogenix, Ivax Sub Teva Pharms, LNK, Lupin Ltd, Mutual Pharm, Pliva, Strides Pharma, Superpharm, Teva Pharms Usa, Unichem, Watson Labs Inc, Ortho Mcneil Pharm, and Savage Labs, and is included in eighty-seven NDAs. There are nine patents protecting this compound and two Paragraph IV challenges. Additional information is available in the individual branded drug profile pages.

Metronidazole has twenty-one patent family members in nine countries.

There are eighteen drug master file entries for metronidazole. Sixty-nine suppliers are listed for this compound.

Summary for metronidazole

International Patents:	21
US Patents:	9
Tradenames:	20
Applicants:	53
NDAs:	87
Drug Master File Entries:	18
Finished Product Suppliers / Packagers:	69
Raw Ingredient (Bulk) Api Vendors:	172
Clinical Trials:	513
Patent Applications:	7,344
Formulation / Manufacturing:	see details
Drug Prices:	Drug price trends for metronidazole
Drug Sales Revenues:	Drug sales revenues for metronidazole
Patent Litigation and PTAB cases:	See patent lawsuits and PTAB cases for metronidazole
What excipients (inactive ingredients) are in metronidazole?	metronidazole excipients list
DailyMed Link:	metronidazole at DailyMed

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Drug Sales Revenue Trends for metronidazole

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Recent Clinical Trials for metronidazole

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

Sponsor	Phase
Institut Pasteur	Phase 3
Centre Hospitalier Universitaire de Caen	Phase 3
Ministry of Health, France	Phase 3

See all metronidazole clinical trials

Pharmacology for metronidazole

Drug Class	Nitroimidazole Antimicrobial

Medical Subject Heading (MeSH) Categories for metronidazole

Anti-Infective Agents
Antiprotozoal Agents
Radiation-Sensitizing Agents

Paragraph IV (Patent) Challenges for METRONIDAZOLE

Tradename	Dosage	Ingredient	Strength	NDA	ANDAs Submitted	Submissiondate
NUVESSA	Vaginal Gel	metronidazole	1.30%	205223	1	2022-03-30
METROGEL	Topical Gel	metronidazole	1%	021789	1	2008-10-21
METROGEL-VAGINAL	Vaginal Gel	metronidazole	0.75%	020208	1	2004-09-02

US Patents and Regulatory Information for metronidazole

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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
Zydus Lifesciences	METRONIDAZOLE	metronidazole	CREAM;TOPICAL	217128-001	Apr 21, 2023	AB	RX	No	No	⤷ Try a Trial	⤷ Try a Trial				⤷ Try a Trial
Abbott	METRONIDAZOLE	metronidazole	INJECTABLE;INJECTION	018889-001	Nov 18, 1983		DISCN	No	No	⤷ Try a Trial	⤷ Try a Trial				⤷ Try a Trial
Alembic Pharms Ltd	METRONIDAZOLE	metronidazole	TABLET;ORAL	079067-002	Mar 13, 2009	AB	RX	No	No	⤷ Try a Trial	⤷ Try a Trial				⤷ Try a Trial
Hikma	METRONIDAZOLE	metronidazole	INJECTABLE;INJECTION	018907-001	Mar 30, 1984		DISCN	No	No	⤷ Try a Trial	⤷ Try a Trial				⤷ Try a Trial
Strides Pharma	METRONIDAZOLE	metronidazole	TABLET;ORAL	208162-002	May 25, 2016	AB	RX	No	No	⤷ Try a Trial	⤷ Try a Trial				⤷ Try a Trial
Gland Pharma Ltd	METRONIDAZOLE IN PLASTIC CONTAINER	metronidazole	INJECTABLE;INJECTION	212435-001	Aug 3, 2020	AP	RX	No	No	⤷ Try a Trial	⤷ Try a Trial				⤷ Try a Trial
Padagis Israel	METRONIDAZOLE	metronidazole	GEL;VAGINAL	211786-001	Jul 2, 2019	AB	RX	No	No	⤷ Try a Trial	⤷ Try a Trial				⤷ Try a 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 metronidazole

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Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	Patent No.	Patent Expiration
Galderma Labs Lp	METROGEL	metronidazole	GEL;TOPICAL	021789-001	Jun 30, 2005	⤷ Try a Trial	⤷ Try a Trial
Bausch	METROGEL-VAGINAL	metronidazole	GEL;VAGINAL	020208-001	Aug 17, 1992	⤷ Try a Trial	⤷ Try a Trial
Bausch	METROGEL-VAGINAL	metronidazole	GEL;VAGINAL	020208-001	Aug 17, 1992	⤷ Try a Trial	⤷ Try a Trial
Galderma Labs Lp	METROGEL	metronidazole	GEL;TOPICAL	019737-001	Nov 22, 1988	⤷ Try a Trial	⤷ Try a Trial
Bausch	METROGEL-VAGINAL	metronidazole	GEL;VAGINAL	020208-001	Aug 17, 1992	⤷ Try a Trial	⤷ Try a Trial
Pfizer	FLAGYL ER	metronidazole	TABLET, EXTENDED RELEASE;ORAL	020868-001	Nov 26, 1997	⤷ Try a Trial	⤷ Try a Trial
Galderma Labs Lp	METROGEL	metronidazole	GEL;TOPICAL	021789-001	Jun 30, 2005	⤷ Try a Trial	⤷ Try a Trial
>Applicant	>Tradename	>Generic Name	>Dosage	>NDA	>Approval Date	>Patent No.	>Patent Expiration

International Patents for metronidazole

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Country	Patent Number	Title	Estimated Expiration
Canada	2840571	FORMULATIONS DE GEL A BASE DE METRONIDAZOLE AQUEUX MUCOADHESIF A DOSAGE ELEVE ET LEUR UTILISATION POUR TRAITER UNE VAGINOSE BACTERIENNE (HIGH DOSAGE MUCOADHESIVE METRONIDAZOLE AQUEOUS-BASED GEL FORMULATIONS AND THEIR USE TO TREAT BACTERIAL VAGINOSIS)	⤷ Try a Trial
Brazil	112020014376	composição farmacêutica oral, e, método para tratar uma infecção em um paciente.	⤷ Try a Trial
Argentina	070406	METODOS Y COMPOSICIONES PARA INCREMENTAR LA SOLUBILIDAD DE COMPUESTOS DE FARMACO AZOL ESCASAMENTE SOLUBLES EN AGUA	⤷ Try a Trial
Australia	2012275292	High dosage mucoadhesive metronidazole aqueous-based gel formulations their use to treat bacterial vaginosis	⤷ Try a Trial
Japan	2014518272		⤷ Try a Trial
Mexico	2020007494	FORMULACIONES ORALES DE METRONIDAZOL Y METODOS DE TRATAMIENTO DE UNA INFECCION CON LAS MISMAS. (ORAL FORMULATIONS OF METRONIDAZOLE AND METHODS OF TREATING AN INFECTION USING SAME.)	⤷ Try a Trial
Canada	3054236	FORMULATIONS DE GEL A BASE DE METRONIDAZOLE AQUEUX MUCOADHESIF A DOSAGE ELEVE ET LEUR UTILISATION POUR TRAITER UNE VAGINOSE BACTERIENNE (HIGH DOSAGE MUCOADHESIVE METRONIDAZOLE AQUEOUS-BASED GEL FORMULATIONS AND THEIR USE TO TREAT BACTERIAL VAGINOSIS)	⤷ Try a Trial
>Country	>Patent Number	>Title	>Estimated Expiration

Supplementary Protection Certificates for metronidazole

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Patent Number	Supplementary Protection Certificate	SPC Country	SPC Expiration	SPC Description
0328535	96C0021	Belgium	⤷ Try a Trial	PRODUCT NAME: LANSOPRAZOLE + CLARITHROMYCINE + METRONIDAZOLE; REGISTRATION NO/DATE IN FRANCE: K 27 17033R DU 19960209; REGISTRATION NO/DATE AT EEC: K 27 17033R DU 19960209
>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. 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.