Tunisia: These 5 Drugs Face Patent Expirations and Generic Entry From 2025 - 2026

DrugPatentWatch^® Estimated Loss of Exclusivity Dates in Tunisia

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Preferred citation:
Friedman, Yali, "Tunisia: These 5 Drugs Face Patent Expirations and Generic Entry From 2025 - 2026" DrugPatentWatch.com thinkBiotech, 2025 www.drugpatentwatch.com/p/expiring-drug-patents-generic-entry/.
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These estimated drug patent expiration dates and generic entry opportunity dates are calculated from analysis of known patents covering drugs. Many factors can influence early or late generic entry. This information is provided as a rough estimate of generic entry potential and should not be used as an independent source. The methodology is described in this blog post.

When can XIFAXAN (rifaximin) generic drug versions launch?

Generic name: rifaximin
DrugPatentWatch^® Estimated Key Patent Expiration / Generic Entry Date: March 03, 2025
Generic Entry Controlled by: Tunisia Patent SN07292
Patent Title: NEW POLYMORPHOUS FORMS OF RIFAXIMIN,PROCESSES FOR THEIR PRODUCTION AND USE THEREOF IN THE MEDICINAL

XIFAXAN is a drug marketed by Salix Pharms. There are twenty-nine patents protecting this drug and two Paragraph IV challenges. Two tentatively approved generics are ready to enter the market.

This drug has two hundred and sixteen patent family members in forty countries. There has been litigation on patents covering XIFAXAN

See drug price trends for XIFAXAN.

The generic ingredient in XIFAXAN is rifaximin. There are fourteen drug master file entries for this API. Three suppliers are listed for this generic product. Additional details are available on the rifaximin profile page.

When can NEXAVAR (sorafenib tosylate) generic drug versions launch?

Generic name: sorafenib tosylate
DrugPatentWatch^® Estimated Key Patent Expiration / Generic Entry Date: March 07, 2025
Generic Entry Controlled by: Tunisia Patent SN07341
Patent Title: PHARMACEUTICAL COMPOSITION COMPRISING AN OMEGA-CARBOXYARYL SUBSTITUTED DIPHENYL UREA FOR THE TREATMENT OF CANCER

NEXAVAR is a drug marketed by Bayer Hlthcare. There are two patents protecting this drug and one Paragraph IV challenge.

This drug has eighty-nine patent family members in thirty-nine countries. There has been litigation on patents covering NEXAVAR

See drug price trends for NEXAVAR.

The generic ingredient in NEXAVAR is sorafenib tosylate. There are thirteen drug master file entries for this API. Eight suppliers are listed for this generic product. Additional details are available on the sorafenib tosylate profile page.

When can ESBRIET (pirfenidone) generic drug versions launch?

Generic name: pirfenidone
DrugPatentWatch^® Estimated Key Patent Expiration / Generic Entry Date: September 22, 2025
Generic Entry Controlled by: Tunisia Patent SN08136
Patent Title: CAPSULE FORMULATION OF PIRFENIDONE AND PHARMACEUTICALLY ACCEPTABLE EXCIPIENTS

ESBRIET is a drug marketed by Genentech Inc. There are twenty patents protecting this drug and two Paragraph IV challenges. One tentatively approved generic is ready to enter the market.

This drug has two hundred and sixty-three patent family members in forty-five countries. There has been litigation on patents covering ESBRIET

See drug price trends for ESBRIET.

The generic ingredient in ESBRIET is pirfenidone. There are twenty-three drug master file entries for this API. Twenty-one suppliers are listed for this generic product. Additional details are available on the pirfenidone profile page.

When can LYRICA CR (pregabalin) generic drug versions launch?

Generic name: pregabalin
DrugPatentWatch^® Estimated Key Patent Expiration / Generic Entry Date: November 02, 2025
Generic Entry Controlled by: Tunisia Patent SN08194
Patent Title: COMPOSITIONS PHARMACEUTIQUES SOLIDES CONTENANT DE LA PREGABALINE

LYRICA CR is a drug marketed by Upjohn. There are three patents protecting this drug and four Paragraph IV challenges. Eight tentatively approved generics are ready to enter the market.

This drug has thirty-seven patent family members in thirty-three countries.

See drug price trends for LYRICA CR.

The generic ingredient in LYRICA CR is pregabalin. There are forty-one drug master file entries for this API. Fifty-one suppliers are listed for this generic product. Additional details are available on the pregabalin profile page.

When can ENTRESTO SPRINKLE (sacubitril; valsartan) generic drug versions launch?

Generic name: sacubitril; valsartan
DrugPatentWatch^® Estimated Key Patent Expiration / Generic Entry Date: November 09, 2025
Generic Entry Controlled by: Tunisia Patent SN07264
Patent Title: ORGANIC COMPOUNDS

ENTRESTO SPRINKLE is a drug marketed by Novartis. There are four patents protecting this drug.

This drug has one hundred and twenty-eight patent family members in forty countries. There has been litigation on patents covering ENTRESTO SPRINKLE

The generic ingredient in ENTRESTO SPRINKLE is sacubitril; valsartan. There are eleven drug master file entries for this API. Seven suppliers are listed for this generic product. Additional details are available on the sacubitril; valsartan profile page.