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XYWAV Drug Patent Profile

Which patents cover Xywav, and when can generic versions of Xywav launch?

Xywav is a drug marketed by Jazz and is included in one NDA. There are thirteen patents protecting this drug and one Paragraph IV challenge.

This drug has seventy-eight patent family members in twenty-five countries.

The generic ingredient in XYWAV is calcium oxybate; magnesium oxybate; potassium oxybate; sodium oxybate. There are two hundred and eighty-two drug master file entries for this compound. One supplier is listed for this compound. Additional details are available on the calcium oxybate; magnesium oxybate; potassium oxybate; sodium oxybate profile page.

DrugPatentWatch^® Generic Entry Outlook for Xywav

By analyzing the patents and regulatory protections it appears that the earliest date for generic entry will be August 12, 2028. This may change due to patent challenges or generic licensing.

There have been twelve 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 XYWAV

International Patents:	78
US Patents:	13
Applicants:	1
NDAs:	1
Finished Product Suppliers / Packagers:	1
Formulation / Manufacturing:	see details
Drug Prices:	Drug price information for XYWAV
Patent Litigation and PTAB cases:	See patent lawsuits and PTAB cases for XYWAV
What excipients (inactive ingredients) are in XYWAV?	XYWAV excipients list
DailyMed Link:	XYWAV at DailyMed

See drug prices for XYWAV

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

Constraining patent/regulatory exclusivity:

THE TREATMENT OF IDIOPATHIC HYPERSOMNIA (IH) IN ADULTS

NDA:

212690

Dosage:

SOLUTION;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 XYWAV

Drug Class	Central Nervous System Depressant
Physiological Effect	Central Nervous System Depression Decreased Central Nervous System Organized Electrical Activity

Anatomical Therapeutic Chemical (ATC) Classes for XYWAV

N01AX	Other general anesthetics
N01A	ANESTHETICS, GENERAL
N01	ANESTHETICS
N	Nervous system

N07XX	Other nervous system drugs
N07X	OTHER NERVOUS SYSTEM DRUGS
N07	OTHER NERVOUS SYSTEM DRUGS
N	Nervous system

Paragraph IV (Patent) Challenges for XYWAV

Tradename	Dosage	Ingredient	Strength	NDA	ANDAs Submitted	Submissiondate
XYWAV	Oral Solution	calcium oxybate; magnesium oxybate; potassium oxybate; sodium oxybate	0.234 g/0.096 g/ 013 g/0.04 g per mL	212690	1	2021-04-12

US Patents and Regulatory Information for XYWAV

XYWAV is protected by thirteen US patents and three FDA Regulatory Exclusivities.

This potential generic entry date is based on THE TREATMENT OF IDIOPATHIC HYPERSOMNIA (IH) IN ADULTS.

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 XYWAV

FDA Regulatory Exclusivity protecting XYWAV

Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Exclusivity Expiration
Jazz	XYWAV	calcium oxybate; magnesium oxybate; potassium oxybate; sodium oxybate	SOLUTION;ORAL	212690-001	Jul 21, 2020		RX	Yes	Yes
Jazz	XYWAV	calcium oxybate; magnesium oxybate; potassium oxybate; sodium oxybate	SOLUTION;ORAL	212690-001	Jul 21, 2020		RX	Yes	Yes			Y
Jazz	XYWAV	calcium oxybate; magnesium oxybate; potassium oxybate; sodium oxybate	SOLUTION;ORAL	212690-001	Jul 21, 2020		RX	Yes	Yes			Y
Jazz	XYWAV	calcium oxybate; magnesium oxybate; potassium oxybate; sodium oxybate	SOLUTION;ORAL	212690-001	Jul 21, 2020		RX	Yes	Yes					Y

International Patents for XYWAV

See the table below for patents covering XYWAV around the world.

Country	Patent Number	Title	Estimated Expiration
Denmark	3335709
European Patent Office	3335708	ADMINISTRATION D'ACIDE 4-HYDROXYBUTANOÏQUE ET DE TRANSPORTEURS MONOCARBOXYLATE (ADMINISTRATION OF GAMMA HYDROXYBUTYRATE WITH MONOCARBOXYLATE TRANSPORTERS)
Turkey	201802271
Spain	2775779

Supplementary Protection Certificates for XYWAV

Patent Number	Supplementary Protection Certificate	SPC Country	SPC Expiration	SPC Description
0720599	300689	Netherlands		PRODUCT NAME: EZETIMIBE, DESGEWENST IN DE VORM VAN EEN FARMACEUTISCH AANVAARDBAAR ZOUT, EN ATORVASTATINE, DESGEWENST IN DE VORM VAN EEN FARMACEUTISCH AANVAARDBAAR ZOUT, IN HET BIJZONDER ATORVASTATINE CALCIUM TRIHYDRATE; NATIONAL REGISTRATION NO/DATE: RVG114373-114376 20141027; FIRST REGISTRATION: FR 2014091200122 20140912
2957286	132019000000021	Italy		PRODUCT NAME: PATIROMER SORBITEX CALCIUM E QUALSIASI SUO SALE O DERIVATO(VELTASSA); AUTHORISATION NUMBER(S) AND DATE(S): EU/1/17/1179, 20170721
2957286	C02957286/01	Switzerland		PRODUCT NAME: PATIROMER SORBITEX CALCIUM; REGISTRATION NO/DATE: SWISSMEDIC-ZULASSUNG 66411 22.12.2017
2957286	6/2019	Austria		PRODUCT NAME: PATIROMER UND SEINE CALCIUM-SALZE; REGISTRATION NO/DATE: EU/1/17/1179 (MITTEILUNG) 20170721