NALOXONE HYDROCHLORIDE - Generic Drug Details

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What are the generic drug sources for naloxone hydrochloride and what is the scope of patent protection?

Naloxone hydrochloride is the generic ingredient in fourteen branded drugs marketed by Hikma, Wyeth Ayerst, Abraxis Pharm, Accord Hlthcare, Astrazeneca, Baxter Hlthcare Corp, Bpi Labs, Chartwell Rx, Dr Reddys, Endo Operations, Eugia Pharma, Fresenius Kabi Usa, Hospira, Igi Labs Inc, Intl Medication, Mankind Pharma, Marsam Pharms Llc, Mylan Institutional, Mylan Labs Ltd, Par Sterile Products, Rising, Smith And Nephew, Solopak, Somerset Theraps Llc, Watson Labs, Adapt, Bristol Myers Squibb, Kaleo Inc, Zmi Pharma, Amneal, Padagis Israel, Teva Pharms Usa, Emergent, Amphastar Pharms Inc, Harm Reduction Therp, Summit Biosci, Purdue Pharma Lp, Lupin, Sun Pharm Inds Ltd, and Sanofi Aventis Us, and is included in eighty-nine NDAs. There are forty-eight patents protecting this compound and one Paragraph IV challenge. Additional information is available in the individual branded drug profile pages.

Naloxone hydrochloride has two hundred and forty-five patent family members in thirty-eight countries.

There are eight drug master file entries for naloxone hydrochloride. Forty-three suppliers are listed for this compound.

Summary for NALOXONE HYDROCHLORIDE

International Patents:	245
US Patents:	48
Tradenames:	14
Applicants:	40
NDAs:	89
Drug Master File Entries:	8
Finished Product Suppliers / Packagers:	43
Raw Ingredient (Bulk) Api Vendors:	56
Clinical Trials:	356
Patent Applications:	2,496
Patent Litigation and PTAB cases:	See patent lawsuits and PTAB cases for NALOXONE HYDROCHLORIDE
What excipients (inactive ingredients) are in NALOXONE HYDROCHLORIDE?	NALOXONE HYDROCHLORIDE excipients list
DailyMed Link:	NALOXONE HYDROCHLORIDE at DailyMed

Recent Clinical Trials for NALOXONE HYDROCHLORIDE

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

Sponsor	Phase
Murdoch Childrens Research Institute	Phase 4
Johns Hopkins University	Phase 3
Cure Addiction Now	Phase 3

See all NALOXONE HYDROCHLORIDE clinical trials

Pharmacology for NALOXONE HYDROCHLORIDE

Drug Class	Opioid Antagonist
Mechanism of Action	Opioid Antagonists

Medical Subject Heading (MeSH) Categories for NALOXONE HYDROCHLORIDE

Narcotic Antagonists

Anatomical Therapeutic Chemical (ATC) Classes for NALOXONE HYDROCHLORIDE

A06AH	Peripheral opioid receptor antagonists
A06A	DRUGS FOR CONSTIPATION
A06	DRUGS FOR CONSTIPATION
A	Alimentary tract and metabolism

V03AB	Antidotes
V03A	ALL OTHER THERAPEUTIC PRODUCTS
V03	ALL OTHER THERAPEUTIC PRODUCTS
V	Various

Paragraph IV (Patent) Challenges for NALOXONE HYDROCHLORIDE

Tradename	Dosage	Ingredient	Strength	NDA	ANDAs Submitted	Submissiondate
KLOXXADO	Nasal Spray	naloxone hydrochloride	8 mg/spray	212045	1	2023-03-30
NARCAN	Nasal Spray	naloxone hydrochloride	2 mg/spray	208411	1	2017-12-28
NARCAN	Nasal Spray	naloxone hydrochloride	4 mg/spray	208411	1	2016-07-15

US Patents and Regulatory Information for NALOXONE HYDROCHLORIDE

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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
Hikma	KLOXXADO	naloxone hydrochloride	SPRAY;NASAL	212045-001	Apr 29, 2021		RX	Yes	Yes	⤷ Sign Up	⤷ Sign Up	Y			⤷ Sign Up
Lupin	NALOXONE HYDROCHLORIDE AND PENTAZOCINE HYDROCHLORIDE	naloxone hydrochloride; pentazocine hydrochloride	TABLET;ORAL	075735-001	Jul 11, 2001	AB	RX	No	No	⤷ Sign Up	⤷ Sign Up				⤷ Sign Up
Harm Reduction Therp	RIVIVE	naloxone hydrochloride	SPRAY, METERED;NASAL	217722-001	Jul 28, 2023		OTC	Yes	Yes	⤷ Sign Up	⤷ Sign Up				⤷ Sign Up
Kaleo Inc	EVZIO (AUTOINJECTOR)	naloxone hydrochloride	SOLUTION;INTRAMUSCULAR, SUBCUTANEOUS	209862-001	Oct 19, 2016		DISCN	Yes	No	⤷ Sign Up	⤷ Sign Up	Y			⤷ Sign Up
Kaleo Inc	EVZIO	naloxone hydrochloride	SOLUTION;INTRAMUSCULAR, SUBCUTANEOUS	205787-001	Apr 3, 2014		DISCN	Yes	No	⤷ Sign Up	⤷ Sign Up	Y			⤷ Sign Up
Kaleo Inc	EVZIO (AUTOINJECTOR)	naloxone hydrochloride	SOLUTION;INTRAMUSCULAR, SUBCUTANEOUS	209862-001	Oct 19, 2016		DISCN	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

International Patents for NALOXONE HYDROCHLORIDE

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Country	Patent Number	Title	Estimated Expiration
Japan	2012508081		⤷ Sign Up
Mexico	2007005946	DISPOSITIVOS, SISTEMAS Y METODOS DE ENTREGA DE MEDICAMENTOS. (DEVICES, SYSTEMS, AND METHODS FOR MEDICAMENT DELIVERY.)	⤷ Sign Up
World Intellectual Property Organization (WIPO)	2006083876		⤷ Sign Up
Japan	2008520339		⤷ Sign Up
Japan	7399887		⤷ Sign Up
Australia	2017312811	Liquid naloxone spray	⤷ Sign Up
>Country	>Patent Number	>Title	>Estimated Expiration

Supplementary Protection Certificates for NALOXONE HYDROCHLORIDE

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Patent Number	Supplementary Protection Certificate	SPC Country	SPC Expiration	SPC Description
1685839	92292	Luxembourg	⤷ Sign Up	PRODUCT NAME: COMBINAISON D OXYCODONE EN TANT QUE COMPOSANT A ET DE NALOXONE EN TANT QUE COMPOSANT B SOUS TOUTES LES FORMES PROTEGES PAR LE BREVET DE BASE
>Patent Number	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration	>SPC Description

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