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Last Updated: April 18, 2024

RIOCIGUAT - Generic Drug Details

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

Riociguat is the generic ingredient in two branded drugs marketed by Bayer Hlthcare and MSN, and is included in two NDAs. There are three patents protecting this compound and one Paragraph IV challenge. Additional information is available in the individual branded drug profile pages.

Riociguat has sixty-nine patent family members in forty-three countries.

There are two drug master file entries for riociguat. One supplier is listed for this compound. There is one tentative approval for this compound.

Summary for RIOCIGUAT

International Patents:	69
US Patents:	3
Tradenames:	2
Applicants:	2
NDAs:	2
Drug Master File Entries:	2
Finished Product Suppliers / Packagers:	1
Raw Ingredient (Bulk) Api Vendors:	108
Clinical Trials:	48
Patent Applications:	1,168
Patent Litigation and PTAB cases:	See patent lawsuits and PTAB cases for RIOCIGUAT
What excipients (inactive ingredients) are in RIOCIGUAT?	RIOCIGUAT excipients list
DailyMed Link:	RIOCIGUAT at DailyMed

Recent Clinical Trials for RIOCIGUAT

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

Sponsor	Phase
University of Cambridge	Phase 4
University of Newcastle Upon-Tyne	Phase 4
Sheffield Teaching Hospitals NHS Foundation Trust	Phase 4

See all RIOCIGUAT clinical trials

Generic filers with tentative approvals for RIOCIGUAT

Applicant	Application No.	Strength	Dosage Form
⤷ Try a Trial	⤷ Try a Trial	2MG	TABLET;ORAL
⤷ Try a Trial	⤷ Try a Trial	1.5MG	TABLET;ORAL
⤷ Try a Trial	⤷ Try a Trial	1MG	TABLET;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 RIOCIGUAT

Drug Class	Soluble Guanylate Cyclase Stimulator
Mechanism of Action	Guanylate Cyclase Stimulators

Paragraph IV (Patent) Challenges for RIOCIGUAT

Tradename	Dosage	Ingredient	Strength	NDA	ANDAs Submitted	Submissiondate
ADEMPAS	Tablets	riociguat	0.5 mg, 1 mg, 1.5 mg, 2 mg and 2.5 mg	204819	3	2017-10-10

US Patents and Regulatory Information for RIOCIGUAT

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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
Bayer Hlthcare	ADEMPAS	riociguat	TABLET;ORAL	204819-002	Oct 8, 2013	AB	RX	Yes	No	⤷ Try a Trial	⤷ Try a Trial	Y	Y		⤷ Try a Trial
Bayer Hlthcare	ADEMPAS	riociguat	TABLET;ORAL	204819-005	Oct 8, 2013	AB	RX	Yes	Yes	⤷ Try a Trial	⤷ Try a Trial	Y	Y		⤷ Try a Trial
Bayer Hlthcare	ADEMPAS	riociguat	TABLET;ORAL	204819-001	Oct 8, 2013	AB	RX	Yes	No	⤷ Try a Trial	⤷ Try a Trial	Y	Y		⤷ Try a Trial
Bayer Hlthcare	ADEMPAS	riociguat	TABLET;ORAL	204819-005	Oct 8, 2013	AB	RX	Yes	Yes	⤷ Try a Trial	⤷ Try a Trial	Y	Y		⤷ 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 RIOCIGUAT

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Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	Patent No.	Patent Expiration
Bayer Hlthcare	ADEMPAS	riociguat	TABLET;ORAL	204819-001	Oct 8, 2013	⤷ Try a Trial	⤷ Try a Trial
Bayer Hlthcare	ADEMPAS	riociguat	TABLET;ORAL	204819-002	Oct 8, 2013	⤷ Try a Trial	⤷ Try a Trial
Bayer Hlthcare	ADEMPAS	riociguat	TABLET;ORAL	204819-003	Oct 8, 2013	⤷ Try a Trial	⤷ Try a Trial
Bayer Hlthcare	ADEMPAS	riociguat	TABLET;ORAL	204819-004	Oct 8, 2013	⤷ Try a Trial	⤷ Try a Trial
>Applicant	>Tradename	>Generic Name	>Dosage	>NDA	>Approval Date	>Patent No.	>Patent Expiration

EU/EMA Drug Approvals for RIOCIGUAT

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Company	Drugname	Inn	Product Number / Indication	Status	Generic	Biosimilar	Orphan	Marketing Authorisation	Marketing Refusal
Bayer AG	Adempas	riociguat	EMEA/H/C/002737 Chronic thromboembolic pulmonary hypertension (CTEPH)Adempas is indicated for the treatment of adult patients with WHO Functional Class (FC) II to III withinoperable CTEPH,persistent or recurrent CTEPH after surgical treatment,to improve exercise capacity.Pulmonary arterial hypertension (PAH)AdultsAdempas, as monotherapy or in combination with endothelin receptor antagonists, is indicated for the treatment of adult patients with pulmonary arterial hypertension (PAH) with WHO Functional Class (FC) II to III to improve exercise capacity.Efficacy has been shown in a PAH population including aetiologies of idiopathic or heritable PAH or PAH associated with connective tissue disease.PaediatricsAdempas is indicated for the treatment of PAH in paediatric patients aged less than 18 years of age and body weight ≥ 50 kg with WHO Functional Class (FC) II to III in combination with endothelin receptor antagonists.	Authorised	no	no	no	2014-03-27
>Company	>Drugname	>Inn	>Product Number / Indication	>Status	>Generic	>Biosimilar	>Orphan	>Marketing Authorisation	>Marketing Refusal

International Patents for RIOCIGUAT

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Country	Patent Number	Title	Estimated Expiration
Cuba	20150092	FORMAS DEL METIL {4,6-DIAMINO-2-[1-(2-FLUOROBENCIL)-1H-PIRAZOLO [3,4-B] PIRIDINO-3-IL] PIRIMIDINO-5-IL} METIL CARBAMATO	⤷ Try a Trial
Dominican Republic	P2003000639	PIRAZOLOPIRIDINAS SUBSTITUIDAS CON CARBAMATO	⤷ Try a Trial
Taiwan	200404797	Carbamate-substituted pyrazolopyridines	⤷ Try a Trial
World Intellectual Property Organization (WIPO)	2014128109		⤷ Try a Trial
>Country	>Patent Number	>Title	>Estimated Expiration

Supplementary Protection Certificates for RIOCIGUAT

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Patent Number	Supplementary Protection Certificate	SPC Country	SPC Expiration	SPC Description
1506193	C20140015 00109	Estonia	⤷ Try a Trial	PRODUCT NAME: RIOTSIGUAAT; REG NO/DATE: K(2014)2152 (LOPLIK) 31.03.2014
1506193	C01506193/01	Switzerland	⤷ Try a Trial	PRODUCT NAME: RIOCIGUAT; REGISTRATION NO/DATE: SWISSMEDIC 62903 21.11.2013
1506193	515	Finland	⤷ Try a Trial
1506193	14C0032	France	⤷ Try a Trial	PRODUCT NAME: RIOCIGUAT,SES SELS,SES ISOMERES ET SES HYDRATES.; REGISTRATION NO/DATE: EU/1/13/907/001-015 20140327
>Patent Number	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration	>SPC Description

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