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Last Updated: April 23, 2024

Fidaxomicin - Generic Drug Details

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

Fidaxomicin is the generic ingredient in two branded drugs marketed by Cubist Pharms Llc and Actavis Labs Fl, and is included in three NDAs. There are six patents protecting this compound and one Paragraph IV challenge. Additional information is available in the individual branded drug profile pages.

Fidaxomicin has one hundred and fifty-seven patent family members in thirty-six countries.

There are two drug master file entries for fidaxomicin. One supplier is listed for this compound.

Summary for fidaxomicin

International Patents:	157
US Patents:	6
Tradenames:	2
Applicants:	2
NDAs:	3
Drug Master File Entries:	2
Finished Product Suppliers / Packagers:	1
Raw Ingredient (Bulk) Api Vendors:	61
Clinical Trials:	35
Patent Applications:	1,084
Drug Prices:	Drug price trends for fidaxomicin
Patent Litigation and PTAB cases:	See patent lawsuits and PTAB cases for fidaxomicin
What excipients (inactive ingredients) are in fidaxomicin?	fidaxomicin excipients list
DailyMed Link:	fidaxomicin at DailyMed

See drug prices for fidaxomicin

Recent Clinical Trials for fidaxomicin

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

Sponsor	Phase
Hellenic Institute for the Study of Sepsis	Phase 2
Benoit Guery	Phase 3
Medical Center Haaglanden	Phase 4

See all fidaxomicin clinical trials

Pharmacology for fidaxomicin

Drug Class	Macrolide Antibacterial

Paragraph IV (Patent) Challenges for FIDAXOMICIN

Tradename	Dosage	Ingredient	Strength	NDA	ANDAs Submitted	Submissiondate
DIFICID	Tablets	fidaxomicin	200 mg	201699	1	2015-05-27

US Patents and Regulatory Information for fidaxomicin

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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
Cubist Pharms Llc	DIFICID	fidaxomicin	TABLET;ORAL	201699-001	May 27, 2011	AB	RX	Yes	Yes	⤷ Try a Trial	⤷ Try a Trial			Y	⤷ Try a Trial
Actavis Labs Fl	FIDAXOMICIN	fidaxomicin	TABLET;ORAL	208443-001	Jan 16, 2024	AB	RX	No	No	⤷ Try a Trial	⤷ Try a Trial				⤷ Try a Trial
Cubist Pharms Llc	DIFICID	fidaxomicin	TABLET;ORAL	201699-001	May 27, 2011	AB	RX	Yes	Yes	⤷ 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

EU/EMA Drug Approvals for fidaxomicin

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Company	Drugname	Inn	Product Number / Indication	Status	Generic	Biosimilar	Orphan	Marketing Authorisation	Marketing Refusal
Tillotts Pharma GmbH	Dificlir	fidaxomicin	EMEA/H/C/002087 Dificlir film-coated tablets is indicated for the treatment of Clostridioides difficile infections (CDI) also known as C. difficile-associated diarrhoea (CDAD) in adult and paediatric patients with a body weight of at least 12.5 kg.Consideration should be given to official guidelines on the appropriate use of antibacterial agents.Dificlir granules for oral suspension is indicated for the treatment of Clostridioides difficile infections (CDI) also known as C. difficile-associated diarrhoea (CDAD) in adults and paediatric patients from birth to < 18 years of age.Consideration should be given to official guidelines on the appropriate use of antibacterial agents.	Authorised	no	no	no	2011-12-05
>Company	>Drugname	>Inn	>Product Number / Indication	>Status	>Generic	>Biosimilar	>Orphan	>Marketing Authorisation	>Marketing Refusal

International Patents for fidaxomicin

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Country	Patent Number	Title	Estimated Expiration
Slovenia	1539977		⤷ Try a Trial
Mexico	340742	COMPUESTOS MACROCICLICOS DE 18 MIEMBROS Y ANALOGOS DE LOS MISMOS. (18-MEMBERED MACROCYCLES AND ANALOGS THEREOF.)	⤷ Try a Trial
Turkey	201810589		⤷ Try a Trial
>Country	>Patent Number	>Title	>Estimated Expiration

Supplementary Protection Certificates for fidaxomicin

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Patent Number	Supplementary Protection Certificate	SPC Country	SPC Expiration	SPC Description
1539977	C01539977/01	Switzerland	⤷ Try a Trial	FUSION; FORMER OWNER: MERCK SHARP AND DOHME CORP., US
1539977	585	Finland	⤷ Try a Trial
1539977	122015000026	Germany	⤷ Try a Trial	PRODUCT NAME: FIDAXOMICIN; REGISTRATION NO/DATE: EU/1/11/733/001-004 20111205
>Patent Number	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration	>SPC Description

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